diff --git a/app/Actions/Permissions/PermissionService.php b/app/Actions/Permissions/PermissionService.php
new file mode 100644
index 0000000..5ab9acf
--- /dev/null
+++ b/app/Actions/Permissions/PermissionService.php
@@ -0,0 +1,343 @@
+<?php
+
+namespace App\Actions\Permissions;
+
+use App\Enums\Permission;
+use App\Models\PermissionAssignment;
+use App\Models\Project;
+use App\Models\Team;
+use App\Models\User;
+use Illuminate\Database\Eloquent\Builder;
+use Illuminate\Database\Eloquent\Model;
+use Illuminate\Support\Collection;
+use Illuminate\Support\Facades\DB;
+use InvalidArgumentException;
+
+class PermissionService
+{
+    /**
+     * @param  array<int, Permission|string>  $permissions
+     */
+    public function sync(Model $assignee, ?Model $scope, array $permissions): void
+    {
+        $normalizedPermissions = $this->normalizePermissions($permissions, $assignee, $scope);
+
+        DB::transaction(function () use ($assignee, $normalizedPermissions, $scope): void {
+            $this->assignmentQuery($assignee, $scope)->delete();
+
+            if ($normalizedPermissions === []) {
+                return;
+            }
+
+            PermissionAssignment::query()->insert(
+                array_map(
+                    fn (Permission $permission): array => [
+                        'permission' => $permission->value,
+                        'assignee_id' => $assignee->getKey(),
+                        'assignee_type' => $assignee->getMorphClass(),
+                        'created_at' => now(),
+                        'scope_id' => $scope?->getKey(),
+                        'scope_type' => $scope?->getMorphClass(),
+                        'updated_at' => now(),
+                    ],
+                    $normalizedPermissions,
+                ),
+            );
+        });
+    }
+
+    public function grant(Model $assignee, Permission|string $permission, ?Model $scope = null): void
+    {
+        $normalizedPermission = $this->normalizePermission($permission);
+        $this->assertAssignmentContext($normalizedPermission, $assignee, $scope);
+
+        $alreadyExists = $this->assignmentQuery($assignee, $scope)
+            ->where('permission', $normalizedPermission->value)
+            ->exists();
+
+        if ($alreadyExists) {
+            return;
+        }
+
+        PermissionAssignment::query()->create([
+            'permission' => $normalizedPermission->value,
+            'assignee_id' => $assignee->getKey(),
+            'assignee_type' => $assignee->getMorphClass(),
+            'scope_id' => $scope?->getKey(),
+            'scope_type' => $scope?->getMorphClass(),
+        ]);
+    }
+
+    public function revoke(Model $assignee, Permission|string $permission, ?Model $scope = null): void
+    {
+        $normalizedPermission = $this->normalizePermission($permission);
+        $this->assertAssignmentContext($normalizedPermission, $assignee, $scope);
+
+        $this->assignmentQuery($assignee, $scope)
+            ->where('permission', $normalizedPermission->value)
+            ->delete();
+    }
+
+    public function allows(User $user, Permission|string $permission, ?Model $scope = null): bool
+    {
+        $requiredPermission = $this->normalizePermission($permission);
+
+        return collect($this->effectivePermissions($user, $scope))
+            ->contains(fn (Permission $effectivePermission): bool => $effectivePermission === $requiredPermission);
+    }
+
+    /**
+     * @return array<int, Permission>
+     */
+    public function effectivePermissions(User $user, ?Model $scope = null): array
+    {
+        if ($this->hasGlobalAdmin($user)) {
+            return Permission::cases();
+        }
+
+        /** @var Collection<int, Permission> $permissions */
+        $permissions = $this->relevantAssignments($user, $scope)
+            ->map(fn (PermissionAssignment $assignment): Permission => $assignment->permission)
+            ->values();
+
+        return $this->expandPermissions($permissions->all());
+    }
+
+    /**
+     * @return array<int, array{label: string, value: string}>
+     */
+    public function permissionOptions(Model|string $assignee, Model|string|null $scope): array
+    {
+        return Permission::options(
+            Permission::assignableFor($assignee, $scope),
+        );
+    }
+
+    /**
+     * @return array<string, array<int, string>>
+     */
+    public function assignmentMap(string $assigneeClass, ?Model $scope = null): array
+    {
+        /** @var Model $assignee */
+        $assignee = new $assigneeClass;
+
+        /** @var Collection<int, PermissionAssignment> $assignments */
+        $assignments = PermissionAssignment::query()
+            ->select(['assignee_id', 'permission'])
+            ->where('assignee_type', $assignee->getMorphClass())
+            ->tap(fn (Builder $query): Builder => $this->applyScopeConstraint($query, $scope))
+            ->orderBy('permission')
+            ->get();
+
+        return $assignments
+            ->groupBy(fn (PermissionAssignment $assignment): int => (int) $assignment->assignee_id)
+            ->map(fn (Collection $group): array => $group
+                ->map(fn (PermissionAssignment $assignment): string => $assignment->permission->value)
+                ->values()
+                ->all())
+            ->all();
+    }
+
+    /**
+     * @return array<int, int>
+     */
+    public function viewableProjectIds(User $user): array
+    {
+        if ($this->hasGlobalAdmin($user)) {
+            return Project::query()
+                ->pluck('id')
+                ->map(fn (mixed $projectId): int => (int) $projectId)
+                ->all();
+        }
+
+        /** @var Collection<int, PermissionAssignment> $assignments */
+        $assignments = PermissionAssignment::query()
+            ->select(['scope_id', 'permission'])
+            ->where('scope_type', (new Project)->getMorphClass())
+            ->where(function (Builder $query) use ($user): void {
+                $query->where(function (Builder $directAssignmentsQuery) use ($user): void {
+                    $directAssignmentsQuery
+                        ->where('assignee_type', $user->getMorphClass())
+                        ->where('assignee_id', $user->getKey());
+                });
+
+                $teamIds = $user->teams()
+                    ->pluck('teams.id')
+                    ->map(fn (mixed $teamId): int => (int) $teamId)
+                    ->all();
+
+                if ($teamIds !== []) {
+                    $query->orWhere(function (Builder $teamAssignmentsQuery) use ($teamIds): void {
+                        $teamAssignmentsQuery
+                            ->where('assignee_type', (new Team)->getMorphClass())
+                            ->whereIn('assignee_id', $teamIds);
+                    });
+                }
+            })
+            ->get();
+
+        return $assignments
+            ->filter(fn (PermissionAssignment $assignment): bool => $assignment->permission->includes(Permission::ProjectRead))
+            ->pluck('scope_id')
+            ->filter()
+            ->map(fn (mixed $projectId): int => (int) $projectId)
+            ->unique()
+            ->values()
+            ->all();
+    }
+
+    /**
+     * @return array<int, int>
+     */
+    public function manageableTeamIds(User $user): array
+    {
+        if ($this->hasGlobalAdmin($user)) {
+            return Team::query()
+                ->pluck('id')
+                ->map(fn (mixed $teamId): int => (int) $teamId)
+                ->all();
+        }
+
+        /** @var Collection<int, PermissionAssignment> $assignments */
+        $assignments = PermissionAssignment::query()
+            ->select(['scope_id', 'permission'])
+            ->where('assignee_type', $user->getMorphClass())
+            ->where('assignee_id', $user->getKey())
+            ->where('scope_type', (new Team)->getMorphClass())
+            ->get();
+
+        return $assignments
+            ->filter(fn (PermissionAssignment $assignment): bool => $assignment->permission->includes(Permission::TeamManage))
+            ->pluck('scope_id')
+            ->filter()
+            ->map(fn (mixed $teamId): int => (int) $teamId)
+            ->unique()
+            ->values()
+            ->all();
+    }
+
+    public function canManageAnyTeam(User $user): bool
+    {
+        return $this->manageableTeamIds($user) !== [];
+    }
+
+    private function hasGlobalAdmin(User $user): bool
+    {
+        return PermissionAssignment::query()
+            ->where('assignee_type', $user->getMorphClass())
+            ->where('assignee_id', $user->getKey())
+            ->whereNull('scope_type')
+            ->whereNull('scope_id')
+            ->where('permission', Permission::GlobalAdmin->value)
+            ->exists();
+    }
+
+    /**
+     * @return Collection<int, PermissionAssignment>
+     */
+    private function relevantAssignments(User $user, ?Model $scope): Collection
+    {
+        $query = PermissionAssignment::query();
+        $this->applyScopeConstraint($query, $scope);
+
+        $query->where(function (Builder $permissionQuery) use ($scope, $user): void {
+            $permissionQuery->where(function (Builder $directAssignmentsQuery) use ($user): void {
+                $directAssignmentsQuery
+                    ->where('assignee_type', $user->getMorphClass())
+                    ->where('assignee_id', $user->getKey());
+            });
+
+            if ($scope instanceof Project) {
+                $teamIds = $user->teams()
+                    ->pluck('teams.id')
+                    ->map(fn (mixed $teamId): int => (int) $teamId)
+                    ->all();
+
+                if ($teamIds !== []) {
+                    $permissionQuery->orWhere(function (Builder $teamAssignmentsQuery) use ($teamIds): void {
+                        $teamAssignmentsQuery
+                            ->where('assignee_type', (new Team)->getMorphClass())
+                            ->whereIn('assignee_id', $teamIds);
+                    });
+                }
+            }
+        });
+
+        return $query->get();
+    }
+
+    /**
+     * @param  array<int, Permission|string>  $permissions
+     * @return array<int, Permission>
+     */
+    private function normalizePermissions(array $permissions, Model $assignee, ?Model $scope): array
+    {
+        return collect($permissions)
+            ->map(fn (Permission|string $permission): Permission => $this->normalizePermission($permission))
+            ->each(fn (Permission $permission): bool => $this->assertAssignmentContext($permission, $assignee, $scope))
+            ->unique(fn (Permission $permission): string => $permission->value)
+            ->values()
+            ->all();
+    }
+
+    private function normalizePermission(Permission|string $permission): Permission
+    {
+        if ($permission instanceof Permission) {
+            return $permission;
+        }
+
+        return Permission::from(trim($permission));
+    }
+
+    private function assertAssignmentContext(Permission $permission, Model $assignee, ?Model $scope): bool
+    {
+        if (! $permission->isAssignableTo($assignee) || ! $permission->matchesScope($scope)) {
+            throw new InvalidArgumentException("The {$permission->value} permission cannot be assigned in this context.");
+        }
+
+        return true;
+    }
+
+    private function assignmentQuery(Model $assignee, ?Model $scope): Builder
+    {
+        $query = PermissionAssignment::query()
+            ->where('assignee_type', $assignee->getMorphClass())
+            ->where('assignee_id', $assignee->getKey());
+
+        $this->applyScopeConstraint($query, $scope);
+
+        return $query;
+    }
+
+    private function applyScopeConstraint(Builder $query, ?Model $scope): Builder
+    {
+        if ($scope === null) {
+            return $query
+                ->whereNull('scope_type')
+                ->whereNull('scope_id');
+        }
+
+        return $query
+            ->where('scope_type', $scope->getMorphClass())
+            ->where('scope_id', $scope->getKey());
+    }
+
+    /**
+     * @param  array<int, Permission>  $permissions
+     * @return array<int, Permission>
+     */
+    private function expandPermissions(array $permissions): array
+    {
+        $expandedPermissions = [];
+
+        foreach ($permissions as $permission) {
+            $expandedPermissions[$permission->value] = $permission;
+
+            foreach ($permission->impliedPermissions() as $impliedPermission) {
+                $expandedPermissions[$impliedPermission->value] = $impliedPermission;
+            }
+        }
+
+        return array_values($expandedPermissions);
+    }
+}
diff --git a/app/Actions/ProjectPermissions/ProjectPermissionService.php b/app/Actions/ProjectPermissions/ProjectPermissionService.php
deleted file mode 100644
index 87ba664..0000000
--- a/app/Actions/ProjectPermissions/ProjectPermissionService.php
+++ /dev/null
@@ -1,247 +0,0 @@
-<?php
-
-namespace App\Actions\ProjectPermissions;
-
-use App\Models\Project;
-use App\Models\Team;
-use App\Models\User;
-use Illuminate\Support\Collection;
-use Illuminate\Support\Facades\DB;
-use Illuminate\Support\Str;
-
-class ProjectPermissionService
-{
-    /**
-     * @var array<int, string>
-     */
-    public const PERMISSIONS = [
-        'create',
-        'view',
-        'edit',
-        'delete',
-    ];
-
-    /**
-     * @return array<int, string>
-     */
-    public static function permissions(): array
-    {
-        return self::PERMISSIONS;
-    }
-
-    /**
-     * @return array<int, array{label: string, value: string}>
-     */
-    public function permissionOptions(): array
-    {
-        return collect(self::PERMISSIONS)
-            ->map(fn (string $permission): array => [
-                'label' => Str::headline($permission),
-                'value' => $permission,
-            ])
-            ->all();
-    }
-
-    public function grantAllProjectPermissions(Project $project, User $user): void
-    {
-        $this->syncUserPermissions($project, $user, self::PERMISSIONS);
-    }
-
-    /**
-     * @param  array<int, string>  $permissions
-     */
-    public function syncUserPermissions(Project $project, User $user, array $permissions): void
-    {
-        $sanitizedPermissions = $this->sanitizePermissions($permissions);
-
-        DB::transaction(function () use ($project, $user, $sanitizedPermissions): void {
-            DB::table('project_user_permissions')
-                ->where('project_id', $project->id)
-                ->where('user_id', $user->id)
-                ->delete();
-
-            if ($sanitizedPermissions === []) {
-                return;
-            }
-
-            DB::table('project_user_permissions')->insert(
-                array_map(
-                    fn (string $permission): array => [
-                        'project_id' => $project->id,
-                        'user_id' => $user->id,
-                        'permission' => $permission,
-                        'created_at' => now(),
-                        'updated_at' => now(),
-                    ],
-                    $sanitizedPermissions,
-                ),
-            );
-        });
-    }
-
-    /**
-     * @param  array<int, string>  $permissions
-     */
-    public function syncTeamPermissions(Project $project, Team $team, array $permissions): void
-    {
-        $sanitizedPermissions = $this->sanitizePermissions($permissions);
-
-        DB::transaction(function () use ($project, $team, $sanitizedPermissions): void {
-            DB::table('project_team_permissions')
-                ->where('project_id', $project->id)
-                ->where('team_id', $team->id)
-                ->delete();
-
-            if ($sanitizedPermissions === []) {
-                return;
-            }
-
-            DB::table('project_team_permissions')->insert(
-                array_map(
-                    fn (string $permission): array => [
-                        'project_id' => $project->id,
-                        'team_id' => $team->id,
-                        'permission' => $permission,
-                        'created_at' => now(),
-                        'updated_at' => now(),
-                    ],
-                    $sanitizedPermissions,
-                ),
-            );
-        });
-    }
-
-    /**
-     * @param  array<int, int>  $userIds
-     */
-    public function syncTeamMembers(Team $team, array $userIds): void
-    {
-        $team->users()->sync($userIds);
-    }
-
-    public function userHasPermission(User $user, Project $project, string $permission): bool
-    {
-        if ($user->is_admin) {
-            return true;
-        }
-
-        $sanitizedPermission = Str::lower(trim($permission));
-
-        if (! in_array($sanitizedPermission, self::PERMISSIONS, true)) {
-            return false;
-        }
-
-        $hasDirectPermission = DB::table('project_user_permissions')
-            ->where('project_id', $project->id)
-            ->where('user_id', $user->id)
-            ->where('permission', $sanitizedPermission)
-            ->exists();
-
-        if ($hasDirectPermission) {
-            return true;
-        }
-
-        return DB::table('project_team_permissions')
-            ->join('team_user', 'team_user.team_id', '=', 'project_team_permissions.team_id')
-            ->where('project_team_permissions.project_id', $project->id)
-            ->where('team_user.user_id', $user->id)
-            ->where('project_team_permissions.permission', $sanitizedPermission)
-            ->exists();
-    }
-
-    public function userCanViewProject(User $user, Project $project): bool
-    {
-        if ($user->is_admin) {
-            return true;
-        }
-
-        return in_array($project->id, $this->viewableProjectIds($user), true);
-    }
-
-    public function userCanManageProjectAccess(User $user, Project $project): bool
-    {
-        return $this->userHasPermission($user, $project, 'edit');
-    }
-
-    /**
-     * @return array<int, int>
-     */
-    public function viewableProjectIds(User $user): array
-    {
-        if ($user->is_admin) {
-            return Project::query()->pluck('id')->all();
-        }
-
-        $directProjectIds = DB::table('project_user_permissions')
-            ->where('user_id', $user->id)
-            ->pluck('project_id');
-
-        $teamProjectIds = DB::table('project_team_permissions')
-            ->join('team_user', 'team_user.team_id', '=', 'project_team_permissions.team_id')
-            ->where('team_user.user_id', $user->id)
-            ->pluck('project_team_permissions.project_id');
-
-        return $directProjectIds
-            ->merge($teamProjectIds)
-            ->map(fn (mixed $projectId): int => (int) $projectId)
-            ->unique()
-            ->values()
-            ->all();
-    }
-
-    /**
-     * @return array<string, array<int, string>>
-     */
-    public function userPermissionMap(Project $project): array
-    {
-        /** @var Collection<int, object{user_id: int, permission: string}> $permissions */
-        $permissions = DB::table('project_user_permissions')
-            ->select(['user_id', 'permission'])
-            ->where('project_id', $project->id)
-            ->orderBy('permission')
-            ->get();
-
-        return $permissions
-            ->groupBy(fn (object $permission): int => (int) $permission->user_id)
-            ->map(fn (Collection $group): array => $group
-                ->pluck('permission')
-                ->values()
-                ->all())
-            ->all();
-    }
-
-    /**
-     * @return array<string, array<int, string>>
-     */
-    public function teamPermissionMap(Project $project): array
-    {
-        /** @var Collection<int, object{team_id: int, permission: string}> $permissions */
-        $permissions = DB::table('project_team_permissions')
-            ->select(['team_id', 'permission'])
-            ->where('project_id', $project->id)
-            ->orderBy('permission')
-            ->get();
-
-        return $permissions
-            ->groupBy(fn (object $permission): int => (int) $permission->team_id)
-            ->map(fn (Collection $group): array => $group
-                ->pluck('permission')
-                ->values()
-                ->all())
-            ->all();
-    }
-
-    /**
-     * @param  array<int, string>  $permissions
-     * @return array<int, string>
-     */
-    private function sanitizePermissions(array $permissions): array
-    {
-        return collect($permissions)
-            ->map(fn (mixed $permission): string => Str::lower(trim((string) $permission)))
-            ->filter(fn (string $permission): bool => in_array($permission, self::PERMISSIONS, true))
-            ->unique()
-            ->values()
-            ->all();
-    }
-}
diff --git a/app/Enums/Permission.php b/app/Enums/Permission.php
new file mode 100644
index 0000000..9300cbb
--- /dev/null
+++ b/app/Enums/Permission.php
@@ -0,0 +1,175 @@
+<?php
+
+namespace App\Enums;
+
+use App\Models\Project;
+use App\Models\Team;
+use App\Models\User;
+use Illuminate\Database\Eloquent\Model;
+
+enum Permission: string
+{
+    case GlobalAdmin = 'global:admin';
+    case ProjectCreate = 'project:create';
+    case ProjectRead = 'project:read';
+    case ProjectWrite = 'project:write';
+    case ProjectAdmin = 'project:admin';
+    case TeamInvite = 'team:invite';
+    case TeamManage = 'team:manage';
+    case TeamAdmin = 'team:admin';
+
+    public function label(): string
+    {
+        return match ($this) {
+            self::GlobalAdmin => 'Global admin',
+            self::ProjectCreate => 'Project create',
+            self::ProjectRead => 'Project read',
+            self::ProjectWrite => 'Project write',
+            self::ProjectAdmin => 'Project admin',
+            self::TeamInvite => 'Team invite',
+            self::TeamManage => 'Team manage',
+            self::TeamAdmin => 'Team admin',
+        };
+    }
+
+    public function scope(): PermissionScope
+    {
+        return match ($this) {
+            self::GlobalAdmin, self::ProjectCreate => PermissionScope::Global,
+            self::ProjectRead, self::ProjectWrite, self::ProjectAdmin => PermissionScope::Project,
+            self::TeamInvite, self::TeamManage, self::TeamAdmin => PermissionScope::Team,
+        };
+    }
+
+    /**
+     * @return array<int, self>
+     */
+    public function impliedPermissions(): array
+    {
+        return match ($this) {
+            self::GlobalAdmin => array_values(array_filter(
+                self::cases(),
+                fn (self $permission): bool => $permission !== self::GlobalAdmin,
+            )),
+            self::ProjectAdmin => [self::ProjectWrite, self::ProjectRead],
+            self::ProjectWrite => [self::ProjectRead],
+            self::TeamAdmin => [self::TeamManage, self::TeamInvite],
+            default => [],
+        };
+    }
+
+    public function includes(self $permission): bool
+    {
+        if ($this === $permission) {
+            return true;
+        }
+
+        foreach ($this->impliedPermissions() as $impliedPermission) {
+            if ($impliedPermission->includes($permission)) {
+                return true;
+            }
+        }
+
+        return false;
+    }
+
+    public function isAssignableTo(Model|string $assignee): bool
+    {
+        $assigneeClass = $assignee instanceof Model
+            ? $assignee::class
+            : $assignee;
+
+        return match ($this->scope()) {
+            PermissionScope::Global => is_a($assigneeClass, User::class, true),
+            PermissionScope::Project => is_a($assigneeClass, User::class, true) || is_a($assigneeClass, Team::class, true),
+            PermissionScope::Team => is_a($assigneeClass, User::class, true),
+        };
+    }
+
+    public function matchesScope(Model|string|null $scope): bool
+    {
+        $scopeClass = $scope instanceof Model
+            ? $scope::class
+            : $scope;
+
+        return match ($this->scope()) {
+            PermissionScope::Global => $scopeClass === null,
+            PermissionScope::Project => is_a($scopeClass, Project::class, true),
+            PermissionScope::Team => is_a($scopeClass, Team::class, true),
+        };
+    }
+
+    /**
+     * @param  array<int, self>|null  $permissions
+     * @return array<int, string>
+     */
+    public static function values(?array $permissions = null): array
+    {
+        return array_map(
+            fn (self $permission): string => $permission->value,
+            $permissions ?? self::cases(),
+        );
+    }
+
+    /**
+     * @return array<int, self>
+     */
+    public static function globalAssignable(): array
+    {
+        return [
+            self::GlobalAdmin,
+            self::ProjectCreate,
+        ];
+    }
+
+    /**
+     * @return array<int, self>
+     */
+    public static function projectAssignable(): array
+    {
+        return [
+            self::ProjectRead,
+            self::ProjectWrite,
+            self::ProjectAdmin,
+        ];
+    }
+
+    /**
+     * @return array<int, self>
+     */
+    public static function teamAssignable(): array
+    {
+        return [
+            self::TeamInvite,
+            self::TeamManage,
+            self::TeamAdmin,
+        ];
+    }
+
+    /**
+     * @return array<int, self>
+     */
+    public static function assignableFor(Model|string $assignee, Model|string|null $scope): array
+    {
+        return array_values(array_filter(
+            self::cases(),
+            fn (self $permission): bool => $permission->isAssignableTo($assignee)
+                && $permission->matchesScope($scope),
+        ));
+    }
+
+    /**
+     * @param  array<int, self>  $permissions
+     * @return array<int, array{label: string, value: string}>
+     */
+    public static function options(array $permissions): array
+    {
+        return array_map(
+            fn (self $permission): array => [
+                'label' => $permission->label(),
+                'value' => $permission->value,
+            ],
+            $permissions,
+        );
+    }
+}
diff --git a/app/Enums/PermissionScope.php b/app/Enums/PermissionScope.php
new file mode 100644
index 0000000..698423b
--- /dev/null
+++ b/app/Enums/PermissionScope.php
@@ -0,0 +1,10 @@
+<?php
+
+namespace App\Enums;
+
+enum PermissionScope: string
+{
+    case Global = 'global';
+    case Project = 'project';
+    case Team = 'team';
+}
diff --git a/app/Http/Controllers/Admin/UserManagementController.php b/app/Http/Controllers/Admin/UserManagementController.php
index 160d1f7..d5fb660 100644
--- a/app/Http/Controllers/Admin/UserManagementController.php
+++ b/app/Http/Controllers/Admin/UserManagementController.php
@@ -2,8 +2,9 @@
 
 namespace App\Http\Controllers\Admin;
 
+use App\Actions\Permissions\PermissionService;
 use App\Http\Controllers\Controller;
-use App\Http\Requests\Admin\UpdateUserAdminStatusRequest;
+use App\Http\Requests\Admin\SyncUserGlobalPermissionsRequest;
 use App\Models\User;
 use Illuminate\Http\RedirectResponse;
 use Illuminate\Support\Arr;
@@ -12,28 +13,30 @@ use Inertia\Response;
 
 class UserManagementController extends Controller
 {
+    public function __construct(
+        private readonly PermissionService $permissionService,
+    ) {}
+
     public function index(): Response
     {
         return Inertia::render('admin/users/Index', [
+            'directPermissions' => $this->permissionService->assignmentMap(User::class),
+            'permissionOptions' => $this->permissionService->permissionOptions(User::class, null),
             'status' => session('status'),
             'users' => User::query()
-                ->orderByDesc('is_admin')
                 ->orderBy('name')
                 ->get(),
         ]);
     }
 
-    public function update(UpdateUserAdminStatusRequest $request, User $user): RedirectResponse
+    public function update(SyncUserGlobalPermissionsRequest $request, User $user): RedirectResponse
     {
         $validated = $request->validated();
-        $user->forceFill([
-            'is_admin' => Arr::get($validated, 'is_admin'),
-        ])->save();
+        $permissions = Arr::get($validated, 'permissions', []);
 
-        $status = $user->is_admin
-            ? "{$user->name} now has admin access."
-            : "{$user->name} no longer has admin access.";
+        $this->permissionService->sync($user, null, $permissions);
 
-        return to_route('admin.users.index')->with('status', $status);
+        return to_route('admin.users.index')
+            ->with('status', "{$user->name} global permissions were updated.");
     }
 }
diff --git a/app/Http/Controllers/ProjectBacklogController.php b/app/Http/Controllers/ProjectBacklogController.php
index 86908da..176b64d 100644
--- a/app/Http/Controllers/ProjectBacklogController.php
+++ b/app/Http/Controllers/ProjectBacklogController.php
@@ -2,8 +2,9 @@
 
 namespace App\Http\Controllers;
 
-use App\Actions\ProjectPermissions\ProjectPermissionService;
+use App\Actions\Permissions\PermissionService;
 use App\Actions\Tickets\CreateProjectTicket;
+use App\Enums\Permission;
 use App\Http\Requests\StoreProjectTicketRequest;
 use App\Models\Project;
 use App\Models\Ticket;
@@ -16,7 +17,7 @@ class ProjectBacklogController extends Controller
 {
     public function __construct(
         private readonly CreateProjectTicket $createProjectTicket,
-        private readonly ProjectPermissionService $projectPermissionService,
+        private readonly PermissionService $permissionService,
     ) {}
 
     public function index(Request $request, Project $project): Response
@@ -24,14 +25,14 @@ class ProjectBacklogController extends Controller
         $user = $request->user();
 
         abort_unless(
-            $this->projectPermissionService->userCanViewProject($user, $project),
+            $this->permissionService->allows($user, Permission::ProjectRead, $project),
             403,
         );
 
         return Inertia::render('projects/Backlog', [
             'boardColumns' => $project->boardColumns()->get(),
-            'canEditTickets' => $this->projectPermissionService->userHasPermission($user, $project, 'edit'),
-            'canCreateTickets' => $this->projectPermissionService->userHasPermission($user, $project, 'create'),
+            'canEditTickets' => $this->permissionService->allows($user, Permission::ProjectWrite, $project),
+            'canCreateTickets' => $this->permissionService->allows($user, Permission::ProjectWrite, $project),
             'project' => $project,
             'status' => session('status'),
             'ticketPriorities' => $project->ticketPriorities()->get(),
@@ -51,7 +52,7 @@ class ProjectBacklogController extends Controller
         $validated = $request->validated();
 
         abort_unless(
-            $this->projectPermissionService->userHasPermission($user, $project, 'create'),
+            $this->permissionService->allows($user, Permission::ProjectWrite, $project),
             403,
         );
 
diff --git a/app/Http/Controllers/ProjectBoardController.php b/app/Http/Controllers/ProjectBoardController.php
index e6bae65..45cf5ae 100644
--- a/app/Http/Controllers/ProjectBoardController.php
+++ b/app/Http/Controllers/ProjectBoardController.php
@@ -2,8 +2,9 @@
 
 namespace App\Http\Controllers;
 
-use App\Actions\ProjectPermissions\ProjectPermissionService;
+use App\Actions\Permissions\PermissionService;
 use App\Actions\Tickets\CreateTicketWorklogEntry;
+use App\Enums\Permission;
 use App\Http\Requests\MoveProjectTicketRequest;
 use App\Models\Project;
 use App\Models\Ticket;
@@ -17,7 +18,7 @@ class ProjectBoardController extends Controller
 {
     public function __construct(
         private readonly CreateTicketWorklogEntry $createTicketWorklogEntry,
-        private readonly ProjectPermissionService $projectPermissionService,
+        private readonly PermissionService $permissionService,
     ) {}
 
     public function index(Request $request, Project $project): Response
@@ -25,7 +26,7 @@ class ProjectBoardController extends Controller
         $user = $request->user();
 
         abort_unless(
-            $this->projectPermissionService->userCanViewProject($user, $project),
+            $this->permissionService->allows($user, Permission::ProjectRead, $project),
             403,
         );
 
@@ -36,7 +37,7 @@ class ProjectBoardController extends Controller
                         ->with(['ticketPriority', 'ticketType']),
                 ])
                 ->get(),
-            'canEditTickets' => $this->projectPermissionService->userHasPermission($user, $project, 'edit'),
+            'canEditTickets' => $this->permissionService->allows($user, Permission::ProjectWrite, $project),
             'project' => $project,
             'status' => session('status'),
         ]);
@@ -50,7 +51,7 @@ class ProjectBoardController extends Controller
         $user = $request->user();
 
         abort_unless(
-            $this->projectPermissionService->userHasPermission($user, $project, 'edit'),
+            $this->permissionService->allows($user, Permission::ProjectWrite, $project),
             403,
         );
 
diff --git a/app/Http/Controllers/ProjectBoardSettingsController.php b/app/Http/Controllers/ProjectBoardSettingsController.php
index b6aca5b..cfc0535 100644
--- a/app/Http/Controllers/ProjectBoardSettingsController.php
+++ b/app/Http/Controllers/ProjectBoardSettingsController.php
@@ -2,7 +2,8 @@
 
 namespace App\Http\Controllers;
 
-use App\Actions\ProjectPermissions\ProjectPermissionService;
+use App\Actions\Permissions\PermissionService;
+use App\Enums\Permission;
 use App\Http\Requests\StoreBoardColumnRequest;
 use App\Http\Requests\UpdateBoardColumnRequest;
 use App\Models\BoardColumn;
@@ -18,13 +19,13 @@ use Inertia\Response;
 class ProjectBoardSettingsController extends Controller
 {
     public function __construct(
-        private readonly ProjectPermissionService $projectPermissionService,
+        private readonly PermissionService $permissionService,
     ) {}
 
     public function show(Request $request, Project $project): Response
     {
         abort_unless(
-            $this->projectPermissionService->userCanManageProjectAccess($request->user(), $project),
+            $this->permissionService->allows($request->user(), Permission::ProjectAdmin, $project),
             403,
         );
 
@@ -40,7 +41,7 @@ class ProjectBoardSettingsController extends Controller
         Project $project,
     ): RedirectResponse {
         abort_unless(
-            $this->projectPermissionService->userCanManageProjectAccess($request->user(), $project),
+            $this->permissionService->allows($request->user(), Permission::ProjectAdmin, $project),
             403,
         );
         $validated = $request->validated();
@@ -68,7 +69,7 @@ class ProjectBoardSettingsController extends Controller
         BoardColumn $boardColumn,
     ): RedirectResponse {
         abort_unless(
-            $this->projectPermissionService->userCanManageProjectAccess($request->user(), $project),
+            $this->permissionService->allows($request->user(), Permission::ProjectAdmin, $project),
             403,
         );
         $validated = $request->validated();
@@ -91,7 +92,7 @@ class ProjectBoardSettingsController extends Controller
         BoardColumn $boardColumn,
     ): RedirectResponse {
         abort_unless(
-            $this->projectPermissionService->userCanManageProjectAccess($request->user(), $project),
+            $this->permissionService->allows($request->user(), Permission::ProjectAdmin, $project),
             403,
         );
 
diff --git a/app/Http/Controllers/ProjectController.php b/app/Http/Controllers/ProjectController.php
index 10ed4fa..a5be4ae 100644
--- a/app/Http/Controllers/ProjectController.php
+++ b/app/Http/Controllers/ProjectController.php
@@ -2,8 +2,9 @@
 
 namespace App\Http\Controllers;
 
-use App\Actions\ProjectPermissions\ProjectPermissionService;
+use App\Actions\Permissions\PermissionService;
 use App\Actions\ProjectTicketMetadata\InitializeProjectTicketMetadata;
+use App\Enums\Permission;
 use App\Http\Requests\DeleteProjectRequest;
 use App\Http\Requests\StoreProjectRequest;
 use App\Http\Requests\SyncProjectPermissionsRequest;
@@ -20,7 +21,7 @@ class ProjectController extends Controller
 {
     public function __construct(
         private readonly InitializeProjectTicketMetadata $initializeProjectTicketMetadata,
-        private readonly ProjectPermissionService $projectPermissionService,
+        private readonly PermissionService $permissionService,
     ) {}
 
     public function index(Request $request): Response
@@ -30,12 +31,13 @@ class ProjectController extends Controller
         $projectQuery = Project::query()
             ->orderByDesc('id');
 
-        if (! $user->is_admin) {
-            $viewableProjectIds = $this->projectPermissionService->viewableProjectIds($user);
+        if (! $this->permissionService->allows($user, Permission::GlobalAdmin)) {
+            $viewableProjectIds = $this->permissionService->viewableProjectIds($user);
 
             if ($viewableProjectIds === []) {
                 return Inertia::render('projects/Index', [
                     'projects' => [],
+                    'status' => session('status'),
                 ]);
             }
 
@@ -49,8 +51,13 @@ class ProjectController extends Controller
         ]);
     }
 
-    public function create(): Response
+    public function create(Request $request): Response
     {
+        abort_unless(
+            $this->permissionService->allows($request->user(), Permission::ProjectCreate),
+            403,
+        );
+
         return Inertia::render('projects/Create');
     }
 
@@ -58,7 +65,7 @@ class ProjectController extends Controller
     {
         $project = Project::query()->create($request->validated());
         $this->initializeProjectTicketMetadata->handle($project);
-        $this->projectPermissionService->grantAllProjectPermissions($project, $request->user());
+        $this->permissionService->grant($request->user(), Permission::ProjectAdmin, $project);
 
         return to_route('projects.show', $project);
     }
@@ -68,12 +75,12 @@ class ProjectController extends Controller
         $user = $request->user();
 
         abort_unless(
-            $this->projectPermissionService->userCanViewProject($user, $project),
+            $this->permissionService->allows($user, Permission::ProjectRead, $project),
             403,
         );
 
         return Inertia::render('projects/Show', [
-            'canManageAccess' => $this->projectPermissionService->userCanManageProjectAccess($user, $project),
+            'canManageAccess' => $this->permissionService->allows($user, Permission::ProjectAdmin, $project),
             'project' => $project,
         ]);
     }
@@ -90,16 +97,16 @@ class ProjectController extends Controller
     {
         $user = $request->user();
         abort_unless(
-            $this->projectPermissionService->userCanManageProjectAccess($user, $project),
+            $this->permissionService->allows($user, Permission::ProjectAdmin, $project),
             403,
         );
 
         return Inertia::render('projects/Access', [
-            'directPermissions' => $this->projectPermissionService->userPermissionMap($project),
-            'permissionOptions' => $this->projectPermissionService->permissionOptions(),
+            'directPermissions' => $this->permissionService->assignmentMap(User::class, $project),
+            'permissionOptions' => $this->permissionService->permissionOptions(User::class, Project::class),
             'project' => $project,
             'status' => session('status'),
-            'teamPermissions' => $this->projectPermissionService->teamPermissionMap($project),
+            'teamPermissions' => $this->permissionService->assignmentMap(Team::class, $project),
             'teams' => Team::query()
                 ->with('users')
                 ->orderBy('name')
@@ -125,14 +132,14 @@ class ProjectController extends Controller
     ): RedirectResponse {
 
         abort_unless(
-            $this->projectPermissionService->userCanManageProjectAccess($request->user(), $project),
+            $this->permissionService->allows($request->user(), Permission::ProjectAdmin, $project),
             403,
         );
 
         $validated = $request->validated();
         $permissions = Arr::get($validated, 'permissions', []);
 
-        $this->projectPermissionService->syncUserPermissions($project, $user, $permissions);
+        $this->permissionService->sync($user, $project, $permissions);
 
         return to_route('projects.access', $project)
             ->with('status', "{$user->name} permissions were updated.");
@@ -144,14 +151,14 @@ class ProjectController extends Controller
         Team $team,
     ): RedirectResponse {
         abort_unless(
-            $this->projectPermissionService->userCanManageProjectAccess($request->user(), $project),
+            $this->permissionService->allows($request->user(), Permission::ProjectAdmin, $project),
             403,
         );
 
         $validated = $request->validated();
         $permissions = Arr::get($validated, 'permissions', []);
 
-        $this->projectPermissionService->syncTeamPermissions($project, $team, $permissions);
+        $this->permissionService->sync($team, $project, $permissions);
 
         return to_route('projects.access', $project)
             ->with('status', "{$team->name} permissions were updated.");
diff --git a/app/Http/Controllers/ProjectRepositorySettingsController.php b/app/Http/Controllers/ProjectRepositorySettingsController.php
index a2c3914..688e6d1 100644
--- a/app/Http/Controllers/ProjectRepositorySettingsController.php
+++ b/app/Http/Controllers/ProjectRepositorySettingsController.php
@@ -4,7 +4,8 @@ namespace App\Http\Controllers;
 
 use App\Actions\Git\Data\GitRepository;
 use App\Actions\Git\GitProviderManager;
-use App\Actions\ProjectPermissions\ProjectPermissionService;
+use App\Actions\Permissions\PermissionService;
+use App\Enums\Permission;
 use App\Http\Requests\StoreRepositoryConnectionRequest;
 use App\Http\Requests\UpdateRepositoryConnectionRequest;
 use App\Models\Project;
@@ -24,14 +25,14 @@ class ProjectRepositorySettingsController extends Controller
 {
     public function __construct(
         private readonly GitProviderManager $gitProviderManager,
-        private readonly ProjectPermissionService $projectPermissionService,
+        private readonly PermissionService $permissionService,
     ) {}
 
     public function show(Request $request, Project $project): Response
     {
         $user = $request->user();
         abort_unless(
-            $this->projectPermissionService->userCanManageProjectAccess($user, $project),
+            $this->permissionService->allows($user, Permission::ProjectAdmin, $project),
             403,
         );
 
@@ -66,7 +67,7 @@ class ProjectRepositorySettingsController extends Controller
     ): RedirectResponse {
         $user = $request->user();
         abort_unless(
-            $this->projectPermissionService->userCanManageProjectAccess($user, $project),
+            $this->permissionService->allows($user, Permission::ProjectAdmin, $project),
             403,
         );
 
@@ -96,7 +97,7 @@ class ProjectRepositorySettingsController extends Controller
         $user = $request->user();
 
         abort_unless(
-            $this->projectPermissionService->userCanManageProjectAccess($user, $project),
+            $this->permissionService->allows($user, Permission::ProjectAdmin, $project),
             403,
         );
 
@@ -128,7 +129,7 @@ class ProjectRepositorySettingsController extends Controller
         RepositoryConnection $repositoryConnection,
     ): RedirectResponse {
         abort_unless(
-            $this->projectPermissionService->userCanManageProjectAccess($request->user(), $project),
+            $this->permissionService->allows($request->user(), Permission::ProjectAdmin, $project),
             403,
         );
 
diff --git a/app/Http/Controllers/ProjectTicketBranchController.php b/app/Http/Controllers/ProjectTicketBranchController.php
index 86937c8..672d11d 100644
--- a/app/Http/Controllers/ProjectTicketBranchController.php
+++ b/app/Http/Controllers/ProjectTicketBranchController.php
@@ -5,7 +5,8 @@ namespace App\Http\Controllers;
 use App\Actions\Git\Data\GitBranch;
 use App\Actions\Git\GitProviderManager;
 use App\Actions\Git\ValidateGitBranchName;
-use App\Actions\ProjectPermissions\ProjectPermissionService;
+use App\Actions\Permissions\PermissionService;
+use App\Enums\Permission;
 use App\Http\Requests\StoreProjectTicketBranchRequest;
 use App\Http\Requests\ValidateProjectTicketBranchRequest;
 use App\Models\Project;
@@ -23,7 +24,7 @@ class ProjectTicketBranchController extends Controller
     public function __construct(
         private readonly GitProviderManager $gitProviderManager,
         private readonly ValidateGitBranchName $validateGitBranchName,
-        private readonly ProjectPermissionService $projectPermissionService,
+        private readonly PermissionService $permissionService,
     ) {}
 
     public function validate(
@@ -34,7 +35,7 @@ class ProjectTicketBranchController extends Controller
         $user = $request->user();
 
         abort_unless(
-            $this->projectPermissionService->userHasPermission($user, $project, 'edit'),
+            $this->permissionService->allows($user, Permission::ProjectWrite, $project),
             403,
         );
 
@@ -110,7 +111,7 @@ class ProjectTicketBranchController extends Controller
         $user = $request->user();
 
         abort_unless(
-            $this->projectPermissionService->userHasPermission($user, $project, 'edit'),
+            $this->permissionService->allows($user, Permission::ProjectWrite, $project),
             403,
         );
 
diff --git a/app/Http/Controllers/ProjectTicketController.php b/app/Http/Controllers/ProjectTicketController.php
index ab6a878..aa28d0c 100644
--- a/app/Http/Controllers/ProjectTicketController.php
+++ b/app/Http/Controllers/ProjectTicketController.php
@@ -5,8 +5,9 @@ namespace App\Http\Controllers;
 use App\Actions\Git\BuildSuggestedTicketBranchName;
 use App\Actions\Git\ResolveTicketBranchMatches;
 use App\Actions\Git\ResolveTicketPullRequestMatches;
-use App\Actions\ProjectPermissions\ProjectPermissionService;
+use App\Actions\Permissions\PermissionService;
 use App\Actions\Tickets\UpdateProjectTicket;
+use App\Enums\Permission;
 use App\Http\Requests\UpdateProjectTicketRequest;
 use App\Models\Project;
 use App\Models\Ticket;
@@ -22,7 +23,7 @@ class ProjectTicketController extends Controller
 {
     public function __construct(
         private readonly BuildSuggestedTicketBranchName $buildSuggestedTicketBranchName,
-        private readonly ProjectPermissionService $projectPermissionService,
+        private readonly PermissionService $permissionService,
         private readonly ResolveTicketBranchMatches $resolveTicketBranchMatches,
         private readonly ResolveTicketPullRequestMatches $resolveTicketPullRequestMatches,
         private readonly UpdateProjectTicket $updateProjectTicket,
@@ -33,14 +34,14 @@ class ProjectTicketController extends Controller
         $user = $request->user();
 
         abort_unless(
-            $this->projectPermissionService->userCanViewProject($user, $project),
+            $this->permissionService->allows($user, Permission::ProjectRead, $project),
             403,
         );
 
         $excludedParentIds = [$ticket->id, ...$this->descendantIds($ticket)];
 
         return Inertia::render('projects/Ticket', [
-            'canEditTicket' => $this->projectPermissionService->userHasPermission($user, $project, 'edit'),
+            'canEditTicket' => $this->permissionService->allows($user, Permission::ProjectWrite, $project),
             'childTicketTree' => $this->buildChildTicketTree($ticket),
             'linkedTickets' => $this->linkedTickets($ticket),
             'parentTicketOptions' => Ticket::query()
@@ -103,7 +104,7 @@ class ProjectTicketController extends Controller
 
         $user = $request->user();
         abort_unless(
-            $this->projectPermissionService->userHasPermission($user, $project, 'edit'),
+            $this->permissionService->allows($user, Permission::ProjectWrite, $project),
             403,
         );
 
diff --git a/app/Http/Controllers/ProjectTicketLinkController.php b/app/Http/Controllers/ProjectTicketLinkController.php
index da67c21..b558502 100644
--- a/app/Http/Controllers/ProjectTicketLinkController.php
+++ b/app/Http/Controllers/ProjectTicketLinkController.php
@@ -2,8 +2,9 @@
 
 namespace App\Http\Controllers;
 
-use App\Actions\ProjectPermissions\ProjectPermissionService;
+use App\Actions\Permissions\PermissionService;
 use App\Actions\Tickets\CreateTicketWorklogEntry;
+use App\Enums\Permission;
 use App\Http\Requests\StoreTicketLinkRequest;
 use App\Models\Project;
 use App\Models\Ticket;
@@ -17,7 +18,7 @@ class ProjectTicketLinkController extends Controller
 {
     public function __construct(
         private readonly CreateTicketWorklogEntry $createTicketWorklogEntry,
-        private readonly ProjectPermissionService $projectPermissionService,
+        private readonly PermissionService $permissionService,
     ) {}
 
     public function store(
@@ -28,7 +29,7 @@ class ProjectTicketLinkController extends Controller
 
         $user = $request->user();
         abort_unless(
-            $this->projectPermissionService->userHasPermission($user, $project, 'edit'),
+            $this->permissionService->allows($user, Permission::ProjectWrite, $project),
             403,
         );
 
@@ -93,7 +94,7 @@ class ProjectTicketLinkController extends Controller
 
         $user = $request->user();
         abort_unless(
-            $this->projectPermissionService->userHasPermission($user, $project, 'edit'),
+            $this->permissionService->allows($user, Permission::ProjectWrite, $project),
             403,
         );
 
diff --git a/app/Http/Controllers/ProjectTicketMetadataSettingsController.php b/app/Http/Controllers/ProjectTicketMetadataSettingsController.php
index 3827cf9..4913d8c 100644
--- a/app/Http/Controllers/ProjectTicketMetadataSettingsController.php
+++ b/app/Http/Controllers/ProjectTicketMetadataSettingsController.php
@@ -2,8 +2,9 @@
 
 namespace App\Http\Controllers;
 
-use App\Actions\ProjectPermissions\ProjectPermissionService;
+use App\Actions\Permissions\PermissionService;
 use App\Actions\ProjectTicketMetadata\InitializeProjectTicketMetadata;
+use App\Enums\Permission;
 use App\Http\Requests\StoreProjectNamedSettingRequest;
 use App\Http\Requests\StoreTicketFieldDefinitionRequest;
 use App\Http\Requests\UpdateProjectNamedSettingRequest;
@@ -26,7 +27,7 @@ class ProjectTicketMetadataSettingsController extends Controller
 {
     public function __construct(
         private readonly InitializeProjectTicketMetadata $initializeProjectTicketMetadata,
-        private readonly ProjectPermissionService $projectPermissionService,
+        private readonly PermissionService $permissionService,
     ) {}
 
     public function show(Request $request, Project $project): Response
@@ -355,7 +356,7 @@ class ProjectTicketMetadataSettingsController extends Controller
     private function abortUnlessCanManage(Request $request, Project $project): void
     {
         abort_unless(
-            $this->projectPermissionService->userCanManageProjectAccess($request->user(), $project),
+            $this->permissionService->allows($request->user(), Permission::ProjectAdmin, $project),
             403,
         );
     }
diff --git a/app/Http/Controllers/TeamController.php b/app/Http/Controllers/TeamController.php
index 68891d7..273e415 100644
--- a/app/Http/Controllers/TeamController.php
+++ b/app/Http/Controllers/TeamController.php
@@ -2,12 +2,15 @@
 
 namespace App\Http\Controllers;
 
-use App\Actions\ProjectPermissions\ProjectPermissionService;
+use App\Actions\Permissions\PermissionService;
+use App\Enums\Permission;
 use App\Http\Requests\StoreTeamRequest;
+use App\Http\Requests\SyncTeamUserPermissionsRequest;
 use App\Http\Requests\UpdateTeamMembersRequest;
 use App\Models\Team;
 use App\Models\User;
 use Illuminate\Http\RedirectResponse;
+use Illuminate\Http\Request;
 use Illuminate\Support\Arr;
 use Inertia\Inertia;
 use Inertia\Response;
@@ -15,17 +18,36 @@ use Inertia\Response;
 class TeamController extends Controller
 {
     public function __construct(
-        private readonly ProjectPermissionService $projectPermissionService,
+        private readonly PermissionService $permissionService,
     ) {}
 
-    public function index(): Response
+    public function index(Request $request): Response
     {
+        $user = $request->user();
+        $canCreateTeams = $this->permissionService->allows($user, Permission::GlobalAdmin);
+        $manageableTeamIds = $this->permissionService->manageableTeamIds($user);
+
+        abort_unless($canCreateTeams || $manageableTeamIds !== [], 403);
+
+        $teams = Team::query()
+            ->with('users')
+            ->when(
+                ! $canCreateTeams,
+                fn ($query) => $query->whereIn('id', $manageableTeamIds),
+            )
+            ->orderBy('name')
+            ->get();
+
         return Inertia::render('teams/Index', [
+            'canCreateTeams' => $canCreateTeams,
+            'permissionOptions' => $this->permissionService->permissionOptions(User::class, Team::class),
             'status' => session('status'),
-            'teams' => Team::query()
-                ->with('users')
-                ->orderBy('name')
-                ->get()
+            'teamPermissions' => $teams
+                ->mapWithKeys(fn (Team $team): array => [
+                    $team->id => $this->permissionService->assignmentMap(User::class, $team),
+                ])
+                ->all(),
+            'teams' => $teams
                 ->map(fn (Team $team): array => [
                     'id' => $team->id,
                     'name' => $team->name,
@@ -44,19 +66,42 @@ class TeamController extends Controller
     {
         $team = Team::query()->create($request->validated());
 
-        return to_route('admin.teams.index')
+        return to_route('teams.index')
             ->with('status', "{$team->name} was created.");
     }
 
     public function updateMembers(UpdateTeamMembersRequest $request, Team $team): RedirectResponse
     {
-        $validated = $request->validated();
+        abort_unless(
+            $this->permissionService->allows($request->user(), Permission::TeamManage, $team),
+            403,
+        );
 
+        $validated = $request->validated();
         $userIds = Arr::get($validated, 'user_ids', []);
 
-        $this->projectPermissionService->syncTeamMembers($team, $userIds);
+        $team->users()->sync($userIds);
 
-        return to_route('admin.teams.index')
+        return to_route('teams.index')
             ->with('status', "{$team->name} members were updated.");
     }
+
+    public function updateUserPermissions(
+        SyncTeamUserPermissionsRequest $request,
+        Team $team,
+        User $user,
+    ): RedirectResponse {
+        abort_unless(
+            $this->permissionService->allows($request->user(), Permission::TeamManage, $team),
+            403,
+        );
+
+        $validated = $request->validated();
+        $permissions = Arr::get($validated, 'permissions', []);
+
+        $this->permissionService->sync($user, $team, $permissions);
+
+        return to_route('teams.index')
+            ->with('status', "{$user->name} permissions on {$team->name} were updated.");
+    }
 }
diff --git a/app/Http/Middleware/HandleInertiaRequests.php b/app/Http/Middleware/HandleInertiaRequests.php
index f4cc770..e874437 100644
--- a/app/Http/Middleware/HandleInertiaRequests.php
+++ b/app/Http/Middleware/HandleInertiaRequests.php
@@ -2,11 +2,17 @@
 
 namespace App\Http\Middleware;
 
+use App\Actions\Permissions\PermissionService;
+use App\Enums\Permission;
 use Illuminate\Http\Request;
 use Inertia\Middleware;
 
 class HandleInertiaRequests extends Middleware
 {
+    public function __construct(
+        private readonly PermissionService $permissionService,
+    ) {}
+
     /**
      * The root template that's loaded on the first page visit.
      *
@@ -35,11 +41,18 @@ class HandleInertiaRequests extends Middleware
      */
     public function share(Request $request): array
     {
+        $user = $request->user();
+
         return [
             ...parent::share($request),
             'name' => config('app.name'),
             'auth' => [
-                'user' => $request->user(),
+                'permissions' => [
+                    'canManageTeams' => $user !== null && $this->permissionService->canManageAnyTeam($user),
+                    'globalAdmin' => $user !== null && $this->permissionService->allows($user, Permission::GlobalAdmin),
+                    'projectCreate' => $user !== null && $this->permissionService->allows($user, Permission::ProjectCreate),
+                ],
+                'user' => $user,
             ],
             'sidebarOpen' => ! $request->hasCookie('sidebar_state') || $request->cookie('sidebar_state') === 'true',
         ];
diff --git a/app/Http/Requests/Admin/UpdateUserAdminStatusRequest.php b/app/Http/Requests/Admin/SyncUserGlobalPermissionsRequest.php
similarity index 61%
rename from app/Http/Requests/Admin/UpdateUserAdminStatusRequest.php
rename to app/Http/Requests/Admin/SyncUserGlobalPermissionsRequest.php
index dc7ed33..d53dee0 100644
--- a/app/Http/Requests/Admin/UpdateUserAdminStatusRequest.php
+++ b/app/Http/Requests/Admin/SyncUserGlobalPermissionsRequest.php
@@ -2,10 +2,12 @@
 
 namespace App\Http\Requests\Admin;
 
+use App\Enums\Permission;
 use Illuminate\Contracts\Validation\ValidationRule;
 use Illuminate\Foundation\Http\FormRequest;
+use Illuminate\Validation\Rule;
 
-class UpdateUserAdminStatusRequest extends FormRequest
+class SyncUserGlobalPermissionsRequest extends FormRequest
 {
     /**
      * Determine if the user is authorized to make this request.
@@ -23,7 +25,12 @@ class UpdateUserAdminStatusRequest extends FormRequest
     public function rules(): array
     {
         return [
-            'is_admin' => ['required', 'boolean'],
+            'permissions' => ['nullable', 'array'],
+            'permissions.*' => [
+                'string',
+                'distinct',
+                Rule::in(Permission::values(Permission::globalAssignable())),
+            ],
         ];
     }
 }
diff --git a/app/Http/Requests/DeleteProjectRequest.php b/app/Http/Requests/DeleteProjectRequest.php
index 509d917..bec6563 100644
--- a/app/Http/Requests/DeleteProjectRequest.php
+++ b/app/Http/Requests/DeleteProjectRequest.php
@@ -11,7 +11,7 @@ class DeleteProjectRequest extends FormRequest
 {
     public function authorize(): bool
     {
-        return $this->user() !== null;
+        return $this->user()?->can('access-admin') ?? false;
     }
 
     /**
diff --git a/app/Http/Requests/StoreProjectRequest.php b/app/Http/Requests/StoreProjectRequest.php
index 479af80..6c7eeb0 100644
--- a/app/Http/Requests/StoreProjectRequest.php
+++ b/app/Http/Requests/StoreProjectRequest.php
@@ -14,7 +14,7 @@ class StoreProjectRequest extends FormRequest
      */
     public function authorize(): bool
     {
-        return $this->user() !== null;
+        return $this->user()?->can('create-project') ?? false;
     }
 
     protected function prepareForValidation(): void
diff --git a/app/Http/Requests/SyncProjectPermissionsRequest.php b/app/Http/Requests/SyncProjectPermissionsRequest.php
index b3c8bf6..6594521 100644
--- a/app/Http/Requests/SyncProjectPermissionsRequest.php
+++ b/app/Http/Requests/SyncProjectPermissionsRequest.php
@@ -2,7 +2,7 @@
 
 namespace App\Http\Requests;
 
-use App\Actions\ProjectPermissions\ProjectPermissionService;
+use App\Enums\Permission;
 use Illuminate\Contracts\Validation\ValidationRule;
 use Illuminate\Foundation\Http\FormRequest;
 use Illuminate\Validation\Rule;
@@ -29,7 +29,7 @@ class SyncProjectPermissionsRequest extends FormRequest
             'permissions.*' => [
                 'string',
                 'distinct',
-                Rule::in(ProjectPermissionService::permissions()),
+                Rule::in(Permission::values(Permission::projectAssignable())),
             ],
         ];
     }
diff --git a/app/Http/Requests/SyncTeamUserPermissionsRequest.php b/app/Http/Requests/SyncTeamUserPermissionsRequest.php
new file mode 100644
index 0000000..9a21ff3
--- /dev/null
+++ b/app/Http/Requests/SyncTeamUserPermissionsRequest.php
@@ -0,0 +1,36 @@
+<?php
+
+namespace App\Http\Requests;
+
+use App\Enums\Permission;
+use Illuminate\Contracts\Validation\ValidationRule;
+use Illuminate\Foundation\Http\FormRequest;
+use Illuminate\Validation\Rule;
+
+class SyncTeamUserPermissionsRequest extends FormRequest
+{
+    /**
+     * Determine if the user is authorized to make this request.
+     */
+    public function authorize(): bool
+    {
+        return $this->user() !== null;
+    }
+
+    /**
+     * Get the validation rules that apply to the request.
+     *
+     * @return array<string, ValidationRule|array<mixed>|string>
+     */
+    public function rules(): array
+    {
+        return [
+            'permissions' => ['nullable', 'array'],
+            'permissions.*' => [
+                'string',
+                'distinct',
+                Rule::in(Permission::values(Permission::teamAssignable())),
+            ],
+        ];
+    }
+}
diff --git a/app/Http/Requests/UpdateTeamMembersRequest.php b/app/Http/Requests/UpdateTeamMembersRequest.php
index 2c2edd7..8e17244 100644
--- a/app/Http/Requests/UpdateTeamMembersRequest.php
+++ b/app/Http/Requests/UpdateTeamMembersRequest.php
@@ -13,7 +13,7 @@ class UpdateTeamMembersRequest extends FormRequest
      */
     public function authorize(): bool
     {
-        return $this->user()?->can('access-admin') ?? false;
+        return $this->user() !== null;
     }
 
     /**
diff --git a/app/Models/PermissionAssignment.php b/app/Models/PermissionAssignment.php
new file mode 100644
index 0000000..dfd4f29
--- /dev/null
+++ b/app/Models/PermissionAssignment.php
@@ -0,0 +1,37 @@
+<?php
+
+namespace App\Models;
+
+use App\Enums\Permission;
+use Database\Factories\PermissionAssignmentFactory;
+use Illuminate\Database\Eloquent\Attributes\Fillable;
+use Illuminate\Database\Eloquent\Factories\HasFactory;
+use Illuminate\Database\Eloquent\Model;
+use Illuminate\Database\Eloquent\Relations\MorphTo;
+
+#[Fillable(['permission', 'assignee_type', 'assignee_id', 'scope_type', 'scope_id'])]
+class PermissionAssignment extends Model
+{
+    /** @use HasFactory<PermissionAssignmentFactory> */
+    use HasFactory;
+
+    /**
+     * @return array<string, string>
+     */
+    protected function casts(): array
+    {
+        return [
+            'permission' => Permission::class,
+        ];
+    }
+
+    public function assignee(): MorphTo
+    {
+        return $this->morphTo();
+    }
+
+    public function scope(): MorphTo
+    {
+        return $this->morphTo();
+    }
+}
diff --git a/app/Models/Project.php b/app/Models/Project.php
index 780748b..b7fec0d 100644
--- a/app/Models/Project.php
+++ b/app/Models/Project.php
@@ -8,6 +8,7 @@ use Illuminate\Database\Eloquent\Casts\Attribute;
 use Illuminate\Database\Eloquent\Factories\HasFactory;
 use Illuminate\Database\Eloquent\Model;
 use Illuminate\Database\Eloquent\Relations\HasMany;
+use Illuminate\Database\Eloquent\Relations\MorphMany;
 use Illuminate\Support\Str;
 
 #[Fillable(['name', 'key'])]
@@ -16,6 +17,13 @@ class Project extends Model
     /** @use HasFactory<ProjectFactory> */
     use HasFactory;
 
+    protected static function booted(): void
+    {
+        static::deleting(function (self $project): void {
+            $project->permissionAssignments()->delete();
+        });
+    }
+
     protected function key(): Attribute
     {
         return Attribute::make(
@@ -23,6 +31,11 @@ class Project extends Model
         );
     }
 
+    public function permissionAssignments(): MorphMany
+    {
+        return $this->morphMany(PermissionAssignment::class, 'scope');
+    }
+
     public function boardColumns(): HasMany
     {
         return $this->hasMany(BoardColumn::class)
diff --git a/app/Models/Team.php b/app/Models/Team.php
index 18a1d08..bb54230 100644
--- a/app/Models/Team.php
+++ b/app/Models/Team.php
@@ -7,6 +7,7 @@ use Illuminate\Database\Eloquent\Attributes\Fillable;
 use Illuminate\Database\Eloquent\Factories\HasFactory;
 use Illuminate\Database\Eloquent\Model;
 use Illuminate\Database\Eloquent\Relations\BelongsToMany;
+use Illuminate\Database\Eloquent\Relations\MorphMany;
 
 #[Fillable(['name'])]
 class Team extends Model
@@ -14,6 +15,24 @@ class Team extends Model
     /** @use HasFactory<TeamFactory> */
     use HasFactory;
 
+    protected static function booted(): void
+    {
+        static::deleting(function (self $team): void {
+            $team->permissionAssignments()->delete();
+            $team->scopedPermissionAssignments()->delete();
+        });
+    }
+
+    public function permissionAssignments(): MorphMany
+    {
+        return $this->morphMany(PermissionAssignment::class, 'assignee');
+    }
+
+    public function scopedPermissionAssignments(): MorphMany
+    {
+        return $this->morphMany(PermissionAssignment::class, 'scope');
+    }
+
     public function users(): BelongsToMany
     {
         return $this->belongsToMany(User::class)
diff --git a/app/Models/User.php b/app/Models/User.php
index 405dffa..8b0576f 100644
--- a/app/Models/User.php
+++ b/app/Models/User.php
@@ -9,6 +9,7 @@ use Illuminate\Database\Eloquent\Attributes\Hidden;
 use Illuminate\Database\Eloquent\Factories\HasFactory;
 use Illuminate\Database\Eloquent\Relations\BelongsToMany;
 use Illuminate\Database\Eloquent\Relations\HasMany;
+use Illuminate\Database\Eloquent\Relations\MorphMany;
 use Illuminate\Foundation\Auth\User as Authenticatable;
 use Illuminate\Notifications\Notifiable;
 use Laravel\Fortify\TwoFactorAuthenticatable;
@@ -20,6 +21,13 @@ class User extends Authenticatable
     /** @use HasFactory<UserFactory> */
     use HasFactory, Notifiable, TwoFactorAuthenticatable;
 
+    protected static function booted(): void
+    {
+        static::deleting(function (self $user): void {
+            $user->permissionAssignments()->delete();
+        });
+    }
+
     /**
      * Get the attributes that should be cast.
      *
@@ -29,12 +37,16 @@ class User extends Authenticatable
     {
         return [
             'email_verified_at' => 'datetime',
-            'is_admin' => 'boolean',
             'password' => 'hashed',
             'two_factor_confirmed_at' => 'datetime',
         ];
     }
 
+    public function permissionAssignments(): MorphMany
+    {
+        return $this->morphMany(PermissionAssignment::class, 'assignee');
+    }
+
     public function teams(): BelongsToMany
     {
         return $this->belongsToMany(Team::class)
diff --git a/app/Providers/AppServiceProvider.php b/app/Providers/AppServiceProvider.php
index 88484df..f00b42a 100644
--- a/app/Providers/AppServiceProvider.php
+++ b/app/Providers/AppServiceProvider.php
@@ -2,8 +2,13 @@
 
 namespace App\Providers;
 
+use App\Actions\Permissions\PermissionService;
+use App\Enums\Permission;
+use App\Models\Project;
+use App\Models\Team;
 use App\Models\User;
 use Carbon\CarbonImmutable;
+use Illuminate\Database\Eloquent\Relations\Relation;
 use Illuminate\Support\Facades\Date;
 use Illuminate\Support\Facades\DB;
 use Illuminate\Support\Facades\Gate;
@@ -40,7 +45,18 @@ class AppServiceProvider extends ServiceProvider
      */
     protected function configureAuthorization(): void
     {
-        Gate::define('access-admin', fn (User $user): bool => $user->is_admin);
+        Relation::enforceMorphMap([
+            'project' => Project::class,
+            'team' => Team::class,
+            'user' => User::class,
+        ]);
+
+        /** @var PermissionService $permissionService */
+        $permissionService = $this->app->make(PermissionService::class);
+
+        Gate::define('access-admin', fn (User $user): bool => $permissionService->allows($user, Permission::GlobalAdmin));
+        Gate::define('create-project', fn (User $user): bool => $permissionService->allows($user, Permission::ProjectCreate));
+        Gate::define('manage-teams', fn (User $user): bool => $permissionService->canManageAnyTeam($user));
     }
 
     /**
diff --git a/database/factories/PermissionAssignmentFactory.php b/database/factories/PermissionAssignmentFactory.php
new file mode 100644
index 0000000..7da6dc9
--- /dev/null
+++ b/database/factories/PermissionAssignmentFactory.php
@@ -0,0 +1,96 @@
+<?php
+
+namespace Database\Factories;
+
+use App\Enums\Permission;
+use App\Models\PermissionAssignment;
+use App\Models\Project;
+use App\Models\User;
+use Illuminate\Database\Eloquent\Factories\Factory;
+use Illuminate\Database\Eloquent\Model;
+
+/**
+ * @extends Factory<PermissionAssignment>
+ */
+class PermissionAssignmentFactory extends Factory
+{
+    /**
+     * @return array<string, mixed>
+     */
+    public function definition(): array
+    {
+        return [
+            'permission' => Permission::ProjectRead->value,
+            'assignee_id' => User::factory(),
+            'assignee_type' => (new User)->getMorphClass(),
+            'scope_id' => Project::factory(),
+            'scope_type' => (new Project)->getMorphClass(),
+        ];
+    }
+
+    public function forAssignee(Model $assignee): static
+    {
+        return $this->state(fn (): array => [
+            'assignee_id' => $assignee->getKey(),
+            'assignee_type' => $assignee->getMorphClass(),
+        ]);
+    }
+
+    public function forScope(Model $scope): static
+    {
+        return $this->state(fn (): array => [
+            'scope_id' => $scope->getKey(),
+            'scope_type' => $scope->getMorphClass(),
+        ]);
+    }
+
+    public function global(): static
+    {
+        return $this->state(fn (): array => [
+            'scope_id' => null,
+            'scope_type' => null,
+        ]);
+    }
+
+    public function permission(Permission $permission): static
+    {
+        return $this->state(fn (): array => [
+            'permission' => $permission->value,
+        ]);
+    }
+
+    public function globalAdmin(): static
+    {
+        return $this->global()->permission(Permission::GlobalAdmin);
+    }
+
+    public function projectAdmin(): static
+    {
+        return $this->permission(Permission::ProjectAdmin);
+    }
+
+    public function projectRead(): static
+    {
+        return $this->permission(Permission::ProjectRead);
+    }
+
+    public function projectWrite(): static
+    {
+        return $this->permission(Permission::ProjectWrite);
+    }
+
+    public function teamAdmin(): static
+    {
+        return $this->permission(Permission::TeamAdmin);
+    }
+
+    public function teamInvite(): static
+    {
+        return $this->permission(Permission::TeamInvite);
+    }
+
+    public function teamManage(): static
+    {
+        return $this->permission(Permission::TeamManage);
+    }
+}
diff --git a/database/factories/UserFactory.php b/database/factories/UserFactory.php
index 3148b81..de5d2ba 100644
--- a/database/factories/UserFactory.php
+++ b/database/factories/UserFactory.php
@@ -2,6 +2,7 @@
 
 namespace Database\Factories;
 
+use App\Models\PermissionAssignment;
 use App\Models\User;
 use Illuminate\Database\Eloquent\Factories\Factory;
 use Illuminate\Support\Facades\Hash;
@@ -28,7 +29,6 @@ class UserFactory extends Factory
             'name' => fake()->name(),
             'email' => fake()->unique()->safeEmail(),
             'email_verified_at' => now(),
-            'is_admin' => false,
             'password' => static::$password ??= Hash::make('password'),
             'remember_token' => Str::random(10),
             'two_factor_secret' => null,
@@ -64,8 +64,11 @@ class UserFactory extends Factory
      */
     public function admin(): static
     {
-        return $this->state(fn (array $attributes) => [
-            'is_admin' => true,
-        ]);
+        return $this->afterCreating(function (User $user): void {
+            PermissionAssignment::factory()
+                ->forAssignee($user)
+                ->globalAdmin()
+                ->create();
+        });
     }
 }
diff --git a/database/migrations/2026_03_24_233202_add_is_admin_to_users_table.php b/database/migrations/2026_03_24_233202_add_is_admin_to_users_table.php
deleted file mode 100644
index 87295b3..0000000
--- a/database/migrations/2026_03_24_233202_add_is_admin_to_users_table.php
+++ /dev/null
@@ -1,28 +0,0 @@
-<?php
-
-use Illuminate\Database\Migrations\Migration;
-use Illuminate\Database\Schema\Blueprint;
-use Illuminate\Support\Facades\Schema;
-
-return new class extends Migration
-{
-    /**
-     * Run the migrations.
-     */
-    public function up(): void
-    {
-        Schema::table('users', function (Blueprint $table) {
-            $table->boolean('is_admin')->default(false)->after('email_verified_at');
-        });
-    }
-
-    /**
-     * Reverse the migrations.
-     */
-    public function down(): void
-    {
-        Schema::table('users', function (Blueprint $table) {
-            $table->dropColumn('is_admin');
-        });
-    }
-};
diff --git a/database/migrations/2026_03_24_234735_create_project_team_permissions_table.php b/database/migrations/2026_03_24_234735_create_project_team_permissions_table.php
deleted file mode 100644
index f793b0f..0000000
--- a/database/migrations/2026_03_24_234735_create_project_team_permissions_table.php
+++ /dev/null
@@ -1,31 +0,0 @@
-<?php
-
-use Illuminate\Database\Migrations\Migration;
-use Illuminate\Database\Schema\Blueprint;
-use Illuminate\Support\Facades\Schema;
-
-return new class extends Migration
-{
-    /**
-     * Run the migrations.
-     */
-    public function up(): void
-    {
-        Schema::create('project_team_permissions', function (Blueprint $table) {
-            $table->foreignId('project_id')->constrained()->cascadeOnDelete();
-            $table->foreignId('team_id')->constrained()->cascadeOnDelete();
-            $table->string('permission');
-            $table->timestamps();
-
-            $table->primary(['project_id', 'team_id', 'permission']);
-        });
-    }
-
-    /**
-     * Reverse the migrations.
-     */
-    public function down(): void
-    {
-        Schema::dropIfExists('project_team_permissions');
-    }
-};
diff --git a/database/migrations/2026_03_24_234735_create_project_user_permissions_table.php b/database/migrations/2026_03_24_234735_create_project_user_permissions_table.php
deleted file mode 100644
index d781549..0000000
--- a/database/migrations/2026_03_24_234735_create_project_user_permissions_table.php
+++ /dev/null
@@ -1,31 +0,0 @@
-<?php
-
-use Illuminate\Database\Migrations\Migration;
-use Illuminate\Database\Schema\Blueprint;
-use Illuminate\Support\Facades\Schema;
-
-return new class extends Migration
-{
-    /**
-     * Run the migrations.
-     */
-    public function up(): void
-    {
-        Schema::create('project_user_permissions', function (Blueprint $table) {
-            $table->foreignId('project_id')->constrained()->cascadeOnDelete();
-            $table->foreignId('user_id')->constrained()->cascadeOnDelete();
-            $table->string('permission');
-            $table->timestamps();
-
-            $table->primary(['project_id', 'user_id', 'permission']);
-        });
-    }
-
-    /**
-     * Reverse the migrations.
-     */
-    public function down(): void
-    {
-        Schema::dropIfExists('project_user_permissions');
-    }
-};
diff --git a/database/migrations/2026_04_12_120000_create_permission_assignments_table.php b/database/migrations/2026_04_12_120000_create_permission_assignments_table.php
new file mode 100644
index 0000000..ba93815
--- /dev/null
+++ b/database/migrations/2026_04_12_120000_create_permission_assignments_table.php
@@ -0,0 +1,36 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+return new class extends Migration
+{
+    /**
+     * Run the migrations.
+     */
+    public function up(): void
+    {
+        Schema::create('permission_assignments', function (Blueprint $table): void {
+            $table->id();
+            $table->string('permission', 50);
+            $table->string('assignee_type', 32);
+            $table->unsignedBigInteger('assignee_id');
+            $table->string('scope_type', 32)->nullable();
+            $table->unsignedBigInteger('scope_id')->nullable();
+            $table->timestamps();
+
+            $table->index(['assignee_type', 'assignee_id']);
+            $table->index(['scope_type', 'scope_id']);
+            $table->unique(['permission', 'assignee_type', 'assignee_id', 'scope_type', 'scope_id'], 'permission_assignments_unique');
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     */
+    public function down(): void
+    {
+        Schema::dropIfExists('permission_assignments');
+    }
+};
diff --git a/database/seeders/ProjectAccessSeeder.php b/database/seeders/ProjectAccessSeeder.php
index 339a657..c4c2500 100644
--- a/database/seeders/ProjectAccessSeeder.php
+++ b/database/seeders/ProjectAccessSeeder.php
@@ -2,7 +2,8 @@
 
 namespace Database\Seeders;
 
-use App\Actions\ProjectPermissions\ProjectPermissionService;
+use App\Enums\Permission;
+use App\Models\PermissionAssignment;
 use App\Models\Project;
 use App\Models\Team;
 use App\Models\User;
@@ -15,28 +16,33 @@ class ProjectAccessSeeder extends Seeder
      */
     public function run(): void
     {
-        $projectPermissionService = app(ProjectPermissionService::class);
-
-        $projects = Project::query()->get();
-        $admins = User::query()
-            ->where('is_admin', true)
-            ->get();
-
-        foreach ($admins as $admin) {
-            foreach ($projects as $project) {
-                $projectPermissionService->grantAllProjectPermissions($project, $admin);
-            }
-        }
-
         $coreProject = Project::query()->where('key', 'CORE')->first();
+        $deliveryTeam = Team::query()->where('name', 'Delivery Team')->first();
         $platformTeam = Team::query()->where('name', 'Platform Team')->first();
+        $testUser = User::query()->where('email', 'test@example.com')->first();
 
         if ($coreProject !== null && $platformTeam !== null) {
-            $projectPermissionService->syncTeamPermissions($coreProject, $platformTeam, [
-                'create',
-                'edit',
-                'view',
-            ]);
+            PermissionAssignment::factory()
+                ->forAssignee($platformTeam)
+                ->forScope($coreProject)
+                ->projectWrite()
+                ->create();
+        }
+
+        if ($platformTeam !== null && $testUser !== null) {
+            PermissionAssignment::factory()
+                ->forAssignee($testUser)
+                ->forScope($platformTeam)
+                ->teamManage()
+                ->create();
+        }
+
+        if ($deliveryTeam !== null && $testUser !== null) {
+            PermissionAssignment::factory()
+                ->forAssignee($testUser)
+                ->forScope($deliveryTeam)
+                ->permission(Permission::TeamInvite)
+                ->create();
         }
     }
 }
diff --git a/database/seeders/UserSeeder.php b/database/seeders/UserSeeder.php
index 422ab25..960bdf0 100644
--- a/database/seeders/UserSeeder.php
+++ b/database/seeders/UserSeeder.php
@@ -2,6 +2,8 @@
 
 namespace Database\Seeders;
 
+use App\Enums\Permission;
+use App\Models\PermissionAssignment;
 use App\Models\User;
 use Illuminate\Database\Seeder;
 
@@ -12,16 +14,27 @@ class UserSeeder extends Seeder
      */
     public function run(): void
     {
-        User::factory()->admin()->create([
+        $admin = User::factory()->create([
             'name' => 'Admin User',
             'email' => 'admin@kanbangit.test',
         ]);
 
-        User::factory()->create([
+        PermissionAssignment::factory()
+            ->forAssignee($admin)
+            ->globalAdmin()
+            ->create();
+
+        $testUser = User::factory()->create([
             'name' => 'Test User',
             'email' => 'test@example.com',
         ]);
 
+        PermissionAssignment::factory()
+            ->forAssignee($testUser)
+            ->global()
+            ->permission(Permission::ProjectCreate)
+            ->create();
+
         User::factory(8)->create();
     }
 }
diff --git a/resources/js/components/AppSidebar.vue b/resources/js/components/AppSidebar.vue
index 5c8302e..a612285 100644
--- a/resources/js/components/AppSidebar.vue
+++ b/resources/js/components/AppSidebar.vue
@@ -23,9 +23,9 @@ import {
     SidebarMenuItem,
 } from '@/components/ui/sidebar';
 import { dashboard } from '@/routes';
-import { index as adminTeams } from '@/routes/admin/teams';
 import { index as adminUsers } from '@/routes/admin/users';
 import { index as projectsIndex } from '@/routes/projects';
+import { index as teamsIndex } from '@/routes/teams';
 import type { NavItem } from '@/types';
 
 const page = usePage();
@@ -44,16 +44,18 @@ const mainNavItems = computed<NavItem[]>(() => {
         },
     ];
 
-    if (page.props.auth.user.is_admin) {
+    if (page.props.auth.permissions.globalAdmin) {
         items.push({
             title: 'Users',
             href: adminUsers(),
             icon: Shield,
         });
+    }
 
+    if (page.props.auth.permissions.canManageTeams) {
         items.push({
             title: 'Teams',
-            href: adminTeams(),
+            href: teamsIndex(),
             icon: Users,
         });
     }
diff --git a/resources/js/pages/admin/users/Index.vue b/resources/js/pages/admin/users/Index.vue
index a40a59f..3fab43e 100644
--- a/resources/js/pages/admin/users/Index.vue
+++ b/resources/js/pages/admin/users/Index.vue
@@ -1,6 +1,6 @@
 <script setup lang="ts">
 import { Form, Head } from '@inertiajs/vue3';
-import { Shield, Users } from 'lucide-vue-next';
+import { FolderPlus, Shield, Users } from 'lucide-vue-next';
 import UserManagementController from '@/actions/App/Http/Controllers/Admin/UserManagementController';
 import Heading from '@/components/Heading.vue';
 import { Badge } from '@/components/ui/badge';
@@ -16,7 +16,7 @@ import AppLayout from '@/layouts/AppLayout.vue';
 import { index as adminUsers } from '@/routes/admin/users';
 import type { AdminUsersPageProps, BreadcrumbItem } from '@/types';
 
-defineProps<AdminUsersPageProps>();
+const props = defineProps<AdminUsersPageProps>();
 
 const breadcrumbs: BreadcrumbItem[] = [
     {
@@ -24,6 +24,9 @@ const breadcrumbs: BreadcrumbItem[] = [
         href: adminUsers(),
     },
 ];
+
+const hasPermission = (actorId: number, permission: string) =>
+    (props.directPermissions[actorId] ?? []).includes(permission);
 </script>
 
 <template>
@@ -34,7 +37,7 @@ const breadcrumbs: BreadcrumbItem[] = [
             <div class="flex items-start justify-between gap-4">
                 <Heading
                     title="User management"
-                    description="Manage application-wide admin access for existing users."
+                    description="Assign the global permissions that unlock platform-wide administration and project creation."
                 />
 
                 <Badge variant="outline" class="gap-1.5 px-3 py-1">
@@ -54,8 +57,8 @@ const breadcrumbs: BreadcrumbItem[] = [
                 <CardHeader class="border-b">
                     <CardTitle>Users</CardTitle>
                     <CardDescription>
-                        Promote trusted users to platform admins or remove admin
-                        access when it is no longer needed.
+                        Global permissions are assigned directly to users and
+                        apply across the entire application.
                     </CardDescription>
                 </CardHeader>
 
@@ -68,16 +71,16 @@ const breadcrumbs: BreadcrumbItem[] = [
                     </div>
 
                     <div v-else class="overflow-x-auto">
-                        <table
-                            class="divide-border min-w-full divide-y text-sm"
-                        >
+                        <table class="divide-border min-w-full divide-y text-sm">
                             <thead
                                 class="bg-muted/40 text-muted-foreground text-left"
                             >
                                 <tr>
                                     <th class="px-4 py-3 font-medium">User</th>
                                     <th class="px-4 py-3 font-medium">Email</th>
-                                    <th class="px-4 py-3 font-medium">Role</th>
+                                    <th class="px-4 py-3 font-medium">
+                                        Current access
+                                    </th>
                                     <th
                                         class="px-4 py-3 text-right font-medium"
                                     >
@@ -89,12 +92,10 @@ const breadcrumbs: BreadcrumbItem[] = [
                                 <tr
                                     v-for="user in users"
                                     :key="user.id"
-                                    class="bg-background"
+                                    class="bg-background align-top"
                                 >
                                     <td class="px-4 py-4">
-                                        <div
-                                            class="text-foreground font-medium"
-                                        >
+                                        <div class="text-foreground font-medium">
                                             {{ user.name }}
                                         </div>
                                     </td>
@@ -102,19 +103,43 @@ const breadcrumbs: BreadcrumbItem[] = [
                                         {{ user.email }}
                                     </td>
                                     <td class="px-4 py-4">
-                                        <Badge
-                                            :variant="
-                                                user.is_admin
-                                                    ? 'default'
-                                                    : 'secondary'
-                                            "
-                                            class="gap-1.5"
-                                        >
-                                            <Shield class="size-3.5" />
-                                            {{
-                                                user.is_admin ? 'Admin' : 'User'
-                                            }}
-                                        </Badge>
+                                        <div class="flex flex-wrap gap-2">
+                                            <Badge
+                                                v-if="
+                                                    hasPermission(
+                                                        user.id,
+                                                        'global:admin',
+                                                    )
+                                                "
+                                                class="gap-1.5"
+                                            >
+                                                <Shield class="size-3.5" />
+                                                Global admin
+                                            </Badge>
+                                            <Badge
+                                                v-if="
+                                                    hasPermission(
+                                                        user.id,
+                                                        'project:create',
+                                                    )
+                                                "
+                                                variant="secondary"
+                                                class="gap-1.5"
+                                            >
+                                                <FolderPlus class="size-3.5" />
+                                                Project create
+                                            </Badge>
+                                            <span
+                                                v-if="
+                                                    (directPermissions[
+                                                        user.id
+                                                    ] ?? []).length === 0
+                                                "
+                                                class="text-muted-foreground"
+                                            >
+                                                No direct global permissions
+                                            </span>
+                                        </div>
                                     </td>
                                     <td class="px-4 py-4">
                                         <div class="flex justify-end">
@@ -124,33 +149,40 @@ const breadcrumbs: BreadcrumbItem[] = [
                                                         user.id,
                                                     )
                                                 "
+                                                class="flex flex-wrap justify-end gap-3"
                                                 v-slot="{ processing }"
                                             >
-                                                <input
-                                                    type="hidden"
-                                                    name="is_admin"
-                                                    :value="
-                                                        user.is_admin
-                                                            ? '0'
-                                                            : '1'
+                                                <label
+                                                    v-for="option in permissionOptions"
+                                                    :key="
+                                                        `${user.id}-${option.value}`
                                                     "
-                                                />
+                                                    class="border-border inline-flex items-center gap-2 rounded-lg border px-3 py-2 text-sm"
+                                                >
+                                                    <input
+                                                        type="checkbox"
+                                                        name="permissions[]"
+                                                        :value="option.value"
+                                                        :checked="
+                                                            hasPermission(
+                                                                user.id,
+                                                                option.value,
+                                                            )
+                                                        "
+                                                        class="border-input text-primary focus:ring-ring size-4 rounded"
+                                                    />
+                                                    <span>{{ option.label }}</span>
+                                                </label>
+
+                                                <div class="w-full sm:hidden" />
 
                                                 <Button
                                                     type="submit"
                                                     size="sm"
-                                                    :variant="
-                                                        user.is_admin
-                                                            ? 'outline'
-                                                            : 'default'
-                                                    "
+                                                    variant="outline"
                                                     :disabled="processing"
                                                 >
-                                                    {{
-                                                        user.is_admin
-                                                            ? 'Remove admin'
-                                                            : 'Make admin'
-                                                    }}
+                                                    Save
                                                 </Button>
                                             </Form>
                                         </div>
diff --git a/resources/js/pages/projects/Access.vue b/resources/js/pages/projects/Access.vue
index 69864fc..fb7b412 100644
--- a/resources/js/pages/projects/Access.vue
+++ b/resources/js/pages/projects/Access.vue
@@ -60,7 +60,7 @@ const hasPermission = (
 
                 <div class="flex flex-wrap gap-3">
                     <Button
-                        v-if="$page.props.auth.user.is_admin"
+                        v-if="$page.props.auth.permissions.globalAdmin"
                         as-child
                         variant="outline"
                     >
diff --git a/resources/js/pages/projects/Index.vue b/resources/js/pages/projects/Index.vue
index 126ff83..1374518 100644
--- a/resources/js/pages/projects/Index.vue
+++ b/resources/js/pages/projects/Index.vue
@@ -38,7 +38,7 @@ const breadcrumbs: BreadcrumbItem[] = [
                     description="Create and browse project spaces that will later host boards, backlog, and settings."
                 />
 
-                <Button as-child>
+                <Button v-if="$page.props.auth.permissions.projectCreate" as-child>
                     <Link :href="create()">
                         <Plus class="size-4" />
                         New project
diff --git a/resources/js/pages/projects/Show.vue b/resources/js/pages/projects/Show.vue
index ea8e1e3..1591081 100644
--- a/resources/js/pages/projects/Show.vue
+++ b/resources/js/pages/projects/Show.vue
@@ -107,7 +107,7 @@ const projectAreas = [
                 </Button>
 
                 <Button
-                    v-if="$page.props.auth.user.is_admin"
+                    v-if="$page.props.auth.permissions.globalAdmin"
                     as-child
                     variant="outline"
                 >
diff --git a/resources/js/pages/projects/settings/Board.vue b/resources/js/pages/projects/settings/Board.vue
index 03b7095..272cbce 100644
--- a/resources/js/pages/projects/settings/Board.vue
+++ b/resources/js/pages/projects/settings/Board.vue
@@ -61,7 +61,7 @@ const breadcrumbs: BreadcrumbItem[] = [
 
                 <div class="flex flex-wrap gap-3">
                     <Button
-                        v-if="$page.props.auth.user.is_admin"
+                        v-if="$page.props.auth.permissions.globalAdmin"
                         as-child
                         variant="outline"
                     >
diff --git a/resources/js/pages/projects/settings/Metadata.vue b/resources/js/pages/projects/settings/Metadata.vue
index 483f9e7..4007c43 100644
--- a/resources/js/pages/projects/settings/Metadata.vue
+++ b/resources/js/pages/projects/settings/Metadata.vue
@@ -65,7 +65,7 @@ const breadcrumbs: BreadcrumbItem[] = [
 
                 <div class="flex flex-wrap gap-3">
                     <Button
-                        v-if="$page.props.auth.user.is_admin"
+                        v-if="$page.props.auth.permissions.globalAdmin"
                         as-child
                         variant="outline"
                     >
diff --git a/resources/js/pages/projects/settings/Repositories.vue b/resources/js/pages/projects/settings/Repositories.vue
index 1bee260..114a86c 100644
--- a/resources/js/pages/projects/settings/Repositories.vue
+++ b/resources/js/pages/projects/settings/Repositories.vue
@@ -234,7 +234,7 @@ const submitUpdate = (): void => {
 
                 <div class="flex flex-wrap gap-3">
                     <Button
-                        v-if="$page.props.auth.user.is_admin"
+                        v-if="$page.props.auth.permissions.globalAdmin"
                         as-child
                         variant="outline"
                     >
diff --git a/resources/js/pages/teams/Index.vue b/resources/js/pages/teams/Index.vue
index e682eaa..1ff20b8 100644
--- a/resources/js/pages/teams/Index.vue
+++ b/resources/js/pages/teams/Index.vue
@@ -16,10 +16,10 @@ import {
 import { Input } from '@/components/ui/input';
 import { Label } from '@/components/ui/label';
 import AppLayout from '@/layouts/AppLayout.vue';
-import { index as teamsIndex } from '@/routes/admin/teams';
+import { index as teamsIndex } from '@/routes/teams';
 import type { BreadcrumbItem, TeamsIndexPageProps } from '@/types';
 
-defineProps<TeamsIndexPageProps>();
+const props = defineProps<TeamsIndexPageProps>();
 
 const breadcrumbs: BreadcrumbItem[] = [
     {
@@ -27,6 +27,15 @@ const breadcrumbs: BreadcrumbItem[] = [
         href: teamsIndex(),
     },
 ];
+
+const hasPermission = (
+    permissions: Record<string, string[]>,
+    actorId: number,
+    permission: string,
+) => (permissions[actorId] ?? []).includes(permission);
+
+const permissionsForTeam = (teamId: number): Record<string, string[]> =>
+    props.teamPermissions[teamId] ?? {};
 </script>
 
 <template>
@@ -39,12 +48,16 @@ const breadcrumbs: BreadcrumbItem[] = [
             >
                 <Heading
                     title="Teams"
-                    description="Create reusable teams and manage member assignments for inherited project permissions."
+                    description="Create reusable teams, manage memberships, and assign team-scoped permissions to users."
                 />
 
                 <Badge variant="outline" class="gap-1.5 px-3 py-1">
                     <Shield class="size-3.5" />
-                    Admin-only area
+                    {{
+                        canCreateTeams
+                            ? 'Global admin'
+                            : 'Team-scoped access'
+                    }}
                 </Badge>
             </div>
 
@@ -55,8 +68,15 @@ const breadcrumbs: BreadcrumbItem[] = [
                 {{ status }}
             </div>
 
-            <div class="grid gap-6 xl:grid-cols-[22rem_minmax(0,1fr)]">
-                <Card>
+            <div
+                class="grid gap-6"
+                :class="
+                    canCreateTeams
+                        ? 'xl:grid-cols-[22rem_minmax(0,1fr)]'
+                        : 'xl:grid-cols-1'
+                "
+            >
+                <Card v-if="canCreateTeams">
                     <CardHeader>
                         <CardTitle>Create team</CardTitle>
                         <CardDescription>
@@ -121,7 +141,7 @@ const breadcrumbs: BreadcrumbItem[] = [
                             </div>
                         </CardHeader>
 
-                        <CardContent class="pt-6">
+                        <CardContent class="space-y-6 pt-6">
                             <Form
                                 v-bind="
                                     TeamController.updateMembers.form(team.id)
@@ -164,12 +184,177 @@ const breadcrumbs: BreadcrumbItem[] = [
                                     Save members
                                 </Button>
                             </Form>
+
+                            <div class="space-y-4 border-t pt-6">
+                                <div class="space-y-1">
+                                    <h3 class="text-foreground font-medium">
+                                        Team permissions
+                                    </h3>
+                                    <p class="text-muted-foreground text-sm">
+                                        Direct user permissions on this team are
+                                        stored separately from team membership.
+                                    </p>
+                                </div>
+
+                                <div class="overflow-x-auto">
+                                    <table
+                                        class="divide-border min-w-full divide-y text-sm"
+                                    >
+                                        <thead
+                                            class="bg-muted/40 text-muted-foreground text-left"
+                                        >
+                                            <tr>
+                                                <th
+                                                    class="px-4 py-3 font-medium"
+                                                >
+                                                    User
+                                                </th>
+                                                <th
+                                                    class="px-4 py-3 font-medium"
+                                                >
+                                                    Current permissions
+                                                </th>
+                                                <th
+                                                    class="px-4 py-3 text-right font-medium"
+                                                >
+                                                    Action
+                                                </th>
+                                            </tr>
+                                        </thead>
+                                        <tbody class="divide-border divide-y">
+                                            <tr
+                                                v-for="user in users"
+                                                :key="`${team.id}-${user.id}`"
+                                                class="bg-background align-top"
+                                            >
+                                                <td class="px-4 py-4">
+                                                    <div
+                                                        class="text-foreground font-medium"
+                                                    >
+                                                        {{ user.name }}
+                                                    </div>
+                                                    <div
+                                                        class="text-muted-foreground text-xs"
+                                                    >
+                                                        {{ user.email }}
+                                                    </div>
+                                                </td>
+                                                <td class="px-4 py-4">
+                                                    <div
+                                                        class="flex flex-wrap gap-2"
+                                                    >
+                                                        <Badge
+                                                            v-for="option in permissionOptions"
+                                                            v-show="
+                                                                hasPermission(
+                                                                    permissionsForTeam(
+                                                                        team.id,
+                                                                    ),
+                                                                    user.id,
+                                                                    option.value,
+                                                                )
+                                                            "
+                                                            :key="
+                                                                `${team.id}-${user.id}-${option.value}-badge`
+                                                            "
+                                                            variant="secondary"
+                                                        >
+                                                            {{ option.label }}
+                                                        </Badge>
+                                                        <span
+                                                            v-if="
+                                                                (
+                                                                    permissionsForTeam(
+                                                                        team.id,
+                                                                    )[user.id] ??
+                                                                    []
+                                                                ).length === 0
+                                                            "
+                                                            class="text-muted-foreground"
+                                                        >
+                                                            No direct team
+                                                            permissions
+                                                        </span>
+                                                    </div>
+                                                </td>
+                                                <td class="px-4 py-4">
+                                                    <div
+                                                        class="flex justify-end"
+                                                    >
+                                                        <Form
+                                                            v-bind="
+                                                                TeamController.updateUserPermissions.form(
+                                                                    [
+                                                                        team.id,
+                                                                        user.id,
+                                                                    ],
+                                                                )
+                                                            "
+                                                            class="flex flex-wrap justify-end gap-3"
+                                                            v-slot="{
+                                                                processing,
+                                                            }"
+                                                        >
+                                                            <label
+                                                                v-for="option in permissionOptions"
+                                                                :key="
+                                                                    `${team.id}-${user.id}-${option.value}`
+                                                                "
+                                                                class="border-border inline-flex items-center gap-2 rounded-lg border px-3 py-2 text-sm"
+                                                            >
+                                                                <input
+                                                                    type="checkbox"
+                                                                    name="permissions[]"
+                                                                    :value="
+                                                                        option.value
+                                                                    "
+                                                                    :checked="
+                                                                        hasPermission(
+                                                                            permissionsForTeam(
+                                                                                team.id,
+                                                                            ),
+                                                                            user.id,
+                                                                            option.value,
+                                                                        )
+                                                                    "
+                                                                    class="border-input text-primary focus:ring-ring size-4 rounded"
+                                                                />
+                                                                <span>
+                                                                    {{
+                                                                        option.label
+                                                                    }}
+                                                                </span>
+                                                            </label>
+
+                                                            <div
+                                                                class="w-full sm:hidden"
+                                                            />
+
+                                                            <Button
+                                                                type="submit"
+                                                                size="sm"
+                                                                variant="outline"
+                                                                :disabled="
+                                                                    processing
+                                                                "
+                                                            >
+                                                                Save
+                                                            </Button>
+                                                        </Form>
+                                                    </div>
+                                                </td>
+                                            </tr>
+                                        </tbody>
+                                    </table>
+                                </div>
+                            </div>
                         </CardContent>
                     </Card>
 
                     <Card v-if="teams.length === 0">
                         <CardContent class="text-muted-foreground p-6 text-sm">
-                            No teams exist yet.
+                            No teams are available for your current
+                            permissions.
                         </CardContent>
                     </Card>
                 </div>
diff --git a/resources/js/types/auth.ts b/resources/js/types/auth.ts
index f1294b6..0a1e9e2 100644
--- a/resources/js/types/auth.ts
+++ b/resources/js/types/auth.ts
@@ -2,7 +2,14 @@ import type { UserModel } from '@/types/models/user-model';
 
 export type User = UserModel;
 
+export type AuthPermissions = {
+    canManageTeams: boolean;
+    globalAdmin: boolean;
+    projectCreate: boolean;
+};
+
 export type Auth = {
+    permissions: AuthPermissions;
     user: User;
 };
 
diff --git a/resources/js/types/models/user-model.ts b/resources/js/types/models/user-model.ts
index 7b8c503..1eeef1e 100644
--- a/resources/js/types/models/user-model.ts
+++ b/resources/js/types/models/user-model.ts
@@ -4,7 +4,6 @@ export type UserModel = {
     email: string;
     avatar?: string;
     email_verified_at: string | null;
-    is_admin: boolean;
     created_at: string;
     updated_at: string;
 };
diff --git a/resources/js/types/page-props.ts b/resources/js/types/page-props.ts
index fe1cf7d..3fc7fae 100644
--- a/resources/js/types/page-props.ts
+++ b/resources/js/types/page-props.ts
@@ -17,6 +17,8 @@ import type { UserGitConnectionModel } from '@/types/models/user-git-connection-
 import type { UserModel } from '@/types/models/user-model';
 
 export type AdminUsersPageProps = {
+    directPermissions: Record<string, string[]>;
+    permissionOptions: PermissionOption[];
     users: UserModel[];
     status?: string | null;
 };
@@ -31,14 +33,14 @@ export type ProjectShowPageProps = {
     project: ProjectModel;
 };
 
-export type ProjectPermissionOption = {
+export type PermissionOption = {
     label: string;
     value: string;
 };
 
 export type ProjectAccessPageProps = {
     directPermissions: Record<string, string[]>;
-    permissionOptions: ProjectPermissionOption[];
+    permissionOptions: PermissionOption[];
     project: ProjectModel;
     status?: string | null;
     teamPermissions: Record<string, string[]>;
@@ -47,7 +49,10 @@ export type ProjectAccessPageProps = {
 };
 
 export type TeamsIndexPageProps = {
+    canCreateTeams: boolean;
+    permissionOptions: PermissionOption[];
     status?: string | null;
+    teamPermissions: Record<string, Record<string, string[]>>;
     teams: TeamModel[];
     users: UserModel[];
 };
diff --git a/routes/web.php b/routes/web.php
index 2b04507..8ab29b2 100644
--- a/routes/web.php
+++ b/routes/web.php
@@ -103,6 +103,17 @@ Route::middleware(['auth', 'verified'])->group(function () {
         Route::delete('projects/{project}/settings/metadata/link-types/{ticketLinkType}', [ProjectTicketMetadataSettingsController::class, 'destroyLinkType'])
             ->name('projects.settings.metadata.link-types.destroy');
     });
+
+    Route::get('teams', [TeamController::class, 'index'])
+        ->middleware('can:manage-teams')
+        ->name('teams.index');
+    Route::post('teams', [TeamController::class, 'store'])
+        ->middleware('can:access-admin')
+        ->name('teams.store');
+    Route::patch('teams/{team}/members', [TeamController::class, 'updateMembers'])
+        ->name('teams.members.update');
+    Route::patch('teams/{team}/permissions/users/{user}', [TeamController::class, 'updateUserPermissions'])
+        ->name('teams.permissions.users.update');
 });
 
 Route::middleware(['auth', 'verified', 'can:access-admin'])
@@ -110,11 +121,7 @@ Route::middleware(['auth', 'verified', 'can:access-admin'])
     ->name('admin.')
     ->group(function () {
         Route::get('users', [UserManagementController::class, 'index'])->name('users.index');
-        Route::patch('users/{user}/admin-status', [UserManagementController::class, 'update'])->name('users.update');
-
-        Route::get('teams', [TeamController::class, 'index'])->name('teams.index');
-        Route::post('teams', [TeamController::class, 'store'])->name('teams.store');
-        Route::patch('teams/{team}/members', [TeamController::class, 'updateMembers'])->name('teams.members.update');
+        Route::patch('users/{user}/permissions', [UserManagementController::class, 'update'])->name('users.update');
     });
 
 require __DIR__.'/settings.php';
diff --git a/tests/Feature/Admin/UserManagementControllerTest.php b/tests/Feature/Admin/UserManagementControllerTest.php
index b38176c..77c7e99 100644
--- a/tests/Feature/Admin/UserManagementControllerTest.php
+++ b/tests/Feature/Admin/UserManagementControllerTest.php
@@ -27,10 +27,10 @@ class UserManagementControllerTest extends TestCase
             ->assertOk()
             ->assertInertia(fn (Assert $page) => $page
                 ->component('admin/users/Index')
-                ->where('users.0.email', $admin->email)
-                ->where('users.1.email', $member->email)
-                ->where('users.0.is_admin', true)
-                ->where('users.1.is_admin', false),
+                ->has('users', 2)
+                ->where("directPermissions.{$admin->id}.0", 'global:admin')
+                ->where('permissionOptions.0.value', 'global:admin')
+                ->where('permissionOptions.1.value', 'project:create'),
             );
     }
 
@@ -47,9 +47,9 @@ class UserManagementControllerTest extends TestCase
     }
 
     /**
-     * Ensure admins can update another user's admin access.
+     * Ensure admins can update another user's global permissions.
      */
-    public function test_admin_can_update_a_users_admin_access(): void
+    public function test_admin_can_update_a_users_global_permissions(): void
     {
         $admin = User::factory()->admin()->create();
         $member = User::factory()->create([
@@ -58,30 +58,72 @@ class UserManagementControllerTest extends TestCase
 
         $this->actingAs($admin)
             ->patch(route('admin.users.update', $member), [
-                'is_admin' => true,
+                'permissions' => ['global:admin', 'project:create'],
             ])
             ->assertRedirect(route('admin.users.index'))
-            ->assertSessionHas('status', 'Regular User now has admin access.');
+            ->assertSessionHas('status', 'Regular User global permissions were updated.');
 
-        $this->assertTrue($member->refresh()->is_admin);
+        $this->assertDatabaseHas('permission_assignments', [
+            'assignee_id' => $member->id,
+            'assignee_type' => $member->getMorphClass(),
+            'permission' => 'global:admin',
+            'scope_id' => null,
+            'scope_type' => null,
+        ]);
+
+        $this->assertDatabaseHas('permission_assignments', [
+            'assignee_id' => $member->id,
+            'assignee_type' => $member->getMorphClass(),
+            'permission' => 'project:create',
+            'scope_id' => null,
+            'scope_type' => null,
+        ]);
     }
 
     /**
-     * Ensure non-admin users cannot update admin access.
+     * Ensure admins can also clear a user's global permissions.
      */
-    public function test_non_admin_cannot_update_a_users_admin_access(): void
+    public function test_admin_can_clear_a_users_global_permissions(): void
+    {
+        $admin = User::factory()->admin()->create();
+        $member = User::factory()->create();
+        $this->syncGlobalPermissions($member, ['global:admin', 'project:create']);
+
+        $this->actingAs($admin)
+            ->patch(route('admin.users.update', $member), [
+                'permissions' => [],
+            ])
+            ->assertRedirect(route('admin.users.index'))
+            ->assertSessionHas('status', "{$member->name} global permissions were updated.");
+
+        $this->assertDatabaseMissing('permission_assignments', [
+            'assignee_id' => $member->id,
+            'assignee_type' => $member->getMorphClass(),
+            'scope_id' => null,
+            'scope_type' => null,
+        ]);
+    }
+
+    /**
+     * Ensure non-admin users cannot update global permissions.
+     */
+    public function test_non_admin_cannot_update_a_users_global_permissions(): void
     {
         $member = User::factory()->create();
-        $otherUser = User::factory()->create([
-            'is_admin' => false,
-        ]);
+        $otherUser = User::factory()->create();
 
         $this->actingAs($member)
             ->patch(route('admin.users.update', $otherUser), [
-                'is_admin' => true,
+                'permissions' => ['global:admin'],
             ])
             ->assertForbidden();
 
-        $this->assertFalse($otherUser->refresh()->is_admin);
+        $this->assertDatabaseMissing('permission_assignments', [
+            'assignee_id' => $otherUser->id,
+            'assignee_type' => $otherUser->getMorphClass(),
+            'permission' => 'global:admin',
+            'scope_id' => null,
+            'scope_type' => null,
+        ]);
     }
 }
diff --git a/tests/Feature/Models/PermissionAssignmentTest.php b/tests/Feature/Models/PermissionAssignmentTest.php
new file mode 100644
index 0000000..4a61a2f
--- /dev/null
+++ b/tests/Feature/Models/PermissionAssignmentTest.php
@@ -0,0 +1,66 @@
+<?php
+
+namespace Tests\Feature\Models;
+
+use App\Models\PermissionAssignment;
+use App\Models\Project;
+use App\Models\Team;
+use App\Models\User;
+use Illuminate\Foundation\Testing\RefreshDatabase;
+use Tests\TestCase;
+
+class PermissionAssignmentTest extends TestCase
+{
+    use RefreshDatabase;
+
+    /**
+     * Ensure the permission assignment factory creates a user-to-project assignment.
+     */
+    public function test_permission_assignment_factory_creates_a_project_assignment(): void
+    {
+        $assignment = PermissionAssignment::factory()->create();
+
+        $this->assertInstanceOf(User::class, $assignment->assignee);
+        $this->assertInstanceOf(Project::class, $assignment->scope);
+        $this->assertSame('project:read', $assignment->permission->value);
+    }
+
+    /**
+     * Ensure deleting users, teams, and projects removes related permission assignments.
+     */
+    public function test_related_permission_assignments_are_removed_when_parent_models_are_deleted(): void
+    {
+        $user = User::factory()->create();
+        $team = Team::factory()->create();
+        $project = Project::factory()->create();
+
+        $userAssignment = PermissionAssignment::factory()
+            ->forAssignee($user)
+            ->globalAdmin()
+            ->create();
+        $teamAssignment = PermissionAssignment::factory()
+            ->forAssignee($team)
+            ->forScope($project)
+            ->projectWrite()
+            ->create();
+        $teamScopeAssignment = PermissionAssignment::factory()
+            ->forAssignee($user)
+            ->forScope($team)
+            ->teamManage()
+            ->create();
+
+        $user->delete();
+        $project->delete();
+        $team->delete();
+
+        $this->assertDatabaseMissing('permission_assignments', [
+            'id' => $userAssignment->id,
+        ]);
+        $this->assertDatabaseMissing('permission_assignments', [
+            'id' => $teamAssignment->id,
+        ]);
+        $this->assertDatabaseMissing('permission_assignments', [
+            'id' => $teamScopeAssignment->id,
+        ]);
+    }
+}
diff --git a/tests/Feature/Models/TeamTest.php b/tests/Feature/Models/TeamTest.php
index 568b375..8a5d0d4 100644
--- a/tests/Feature/Models/TeamTest.php
+++ b/tests/Feature/Models/TeamTest.php
@@ -66,20 +66,24 @@ class TeamTest extends TestCase
             ProjectAccessSeeder::class,
         ]);
 
-        $admin = User::query()->where('email', 'admin@kanbangit.test')->firstOrFail();
         $coreProject = Project::query()->where('key', 'CORE')->firstOrFail();
         $platformTeam = Team::query()->where('name', 'Platform Team')->firstOrFail();
+        $testUser = User::query()->where('email', 'test@example.com')->firstOrFail();
 
-        $this->assertDatabaseHas('project_user_permissions', [
-            'project_id' => $coreProject->id,
-            'user_id' => $admin->id,
-            'permission' => 'view',
+        $this->assertDatabaseHas('permission_assignments', [
+            'assignee_id' => $platformTeam->id,
+            'assignee_type' => $platformTeam->getMorphClass(),
+            'permission' => 'project:write',
+            'scope_id' => $coreProject->id,
+            'scope_type' => $coreProject->getMorphClass(),
         ]);
 
-        $this->assertDatabaseHas('project_team_permissions', [
-            'project_id' => $coreProject->id,
-            'team_id' => $platformTeam->id,
-            'permission' => 'edit',
+        $this->assertDatabaseHas('permission_assignments', [
+            'assignee_id' => $testUser->id,
+            'assignee_type' => $testUser->getMorphClass(),
+            'permission' => 'team:manage',
+            'scope_id' => $platformTeam->id,
+            'scope_type' => $platformTeam->getMorphClass(),
         ]);
     }
 }
diff --git a/tests/Feature/Models/UserTest.php b/tests/Feature/Models/UserTest.php
index a9eb5ee..b74f6db 100644
--- a/tests/Feature/Models/UserTest.php
+++ b/tests/Feature/Models/UserTest.php
@@ -13,13 +13,19 @@ class UserTest extends TestCase
     use RefreshDatabase;
 
     /**
-     * Ensure the default user factory creates non-admin users.
+     * Ensure the default user factory does not grant global admin access.
      */
-    public function test_user_factory_defaults_to_non_admin(): void
+    public function test_user_factory_defaults_to_no_global_admin_access(): void
     {
         $user = User::factory()->create();
 
-        $this->assertFalse($user->is_admin);
+        $this->assertDatabaseMissing('permission_assignments', [
+            'assignee_id' => $user->id,
+            'assignee_type' => $user->getMorphClass(),
+            'permission' => 'global:admin',
+            'scope_id' => null,
+            'scope_type' => null,
+        ]);
     }
 
     /**
@@ -29,7 +35,13 @@ class UserTest extends TestCase
     {
         $user = User::factory()->admin()->create();
 
-        $this->assertTrue($user->is_admin);
+        $this->assertDatabaseHas('permission_assignments', [
+            'assignee_id' => $user->id,
+            'assignee_type' => $user->getMorphClass(),
+            'permission' => 'global:admin',
+            'scope_id' => null,
+            'scope_type' => null,
+        ]);
     }
 
     /**
@@ -39,14 +51,23 @@ class UserTest extends TestCase
     {
         $this->seed(UserSeeder::class);
 
-        $this->assertDatabaseHas('users', [
-            'email' => 'admin@kanbangit.test',
-            'is_admin' => true,
+        $admin = User::query()->where('email', 'admin@kanbangit.test')->firstOrFail();
+        $member = User::query()->where('email', 'test@example.com')->firstOrFail();
+
+        $this->assertDatabaseHas('permission_assignments', [
+            'assignee_id' => $admin->id,
+            'assignee_type' => $admin->getMorphClass(),
+            'permission' => 'global:admin',
+            'scope_id' => null,
+            'scope_type' => null,
         ]);
 
-        $this->assertDatabaseHas('users', [
-            'email' => 'test@example.com',
-            'is_admin' => false,
+        $this->assertDatabaseHas('permission_assignments', [
+            'assignee_id' => $member->id,
+            'assignee_type' => $member->getMorphClass(),
+            'permission' => 'project:create',
+            'scope_id' => null,
+            'scope_type' => null,
         ]);
     }
 
diff --git a/tests/Feature/Permissions/PermissionServiceTest.php b/tests/Feature/Permissions/PermissionServiceTest.php
new file mode 100644
index 0000000..6f4a509
--- /dev/null
+++ b/tests/Feature/Permissions/PermissionServiceTest.php
@@ -0,0 +1,119 @@
+<?php
+
+namespace Tests\Feature\Permissions;
+
+use App\Actions\Permissions\PermissionService;
+use App\Enums\Permission;
+use App\Models\Project;
+use App\Models\Team;
+use App\Models\User;
+use Illuminate\Foundation\Testing\RefreshDatabase;
+use Tests\TestCase;
+
+class PermissionServiceTest extends TestCase
+{
+    use RefreshDatabase;
+
+    /**
+     * Ensure direct project permissions expand through the configured hierarchy.
+     */
+    public function test_direct_project_permissions_expand_through_hierarchy(): void
+    {
+        $service = app(PermissionService::class);
+        $user = User::factory()->create();
+        $project = Project::factory()->create();
+
+        $service->sync($user, $project, [Permission::ProjectWrite]);
+
+        $this->assertTrue($service->allows($user, Permission::ProjectRead, $project));
+        $this->assertTrue($service->allows($user, Permission::ProjectWrite, $project));
+        $this->assertFalse($service->allows($user, Permission::ProjectAdmin, $project));
+    }
+
+    /**
+     * Ensure project permissions assigned to teams are inherited by team members.
+     */
+    public function test_team_project_permissions_are_inherited_by_members(): void
+    {
+        $service = app(PermissionService::class);
+        $user = User::factory()->create();
+        $team = Team::factory()->create();
+        $project = Project::factory()->create();
+
+        $team->users()->attach($user);
+        $service->sync($team, $project, [Permission::ProjectRead]);
+
+        $this->assertTrue($service->allows($user, Permission::ProjectRead, $project));
+    }
+
+    /**
+     * Ensure user and team permissions are combined instead of one replacing the other.
+     */
+    public function test_direct_user_permissions_are_combined_with_inherited_team_permissions(): void
+    {
+        $service = app(PermissionService::class);
+        $user = User::factory()->create();
+        $team = Team::factory()->create();
+        $project = Project::factory()->create();
+
+        $team->users()->attach($user);
+        $service->sync($team, $project, [Permission::ProjectWrite]);
+        $service->sync($user, $project, [Permission::ProjectRead]);
+
+        $this->assertTrue($service->allows($user, Permission::ProjectWrite, $project));
+        $this->assertTrue($service->allows($user, Permission::ProjectRead, $project));
+    }
+
+    /**
+     * Ensure team-scoped permissions are granted directly to users and do not come from membership alone.
+     */
+    public function test_team_permissions_only_apply_when_directly_assigned_to_the_user(): void
+    {
+        $service = app(PermissionService::class);
+        $manager = User::factory()->create();
+        $member = User::factory()->create();
+        $team = Team::factory()->create();
+
+        $team->users()->attach([$manager->id, $member->id]);
+        $service->sync($manager, $team, [Permission::TeamManage]);
+
+        $this->assertTrue($service->allows($manager, Permission::TeamManage, $team));
+        $this->assertFalse($service->allows($member, Permission::TeamManage, $team));
+    }
+
+    /**
+     * Ensure global admins can perform global, project, and team-scoped actions.
+     */
+    public function test_global_admin_overrides_every_scope(): void
+    {
+        $service = app(PermissionService::class);
+        $admin = User::factory()->create();
+        $project = Project::factory()->create();
+        $team = Team::factory()->create();
+
+        $service->sync($admin, null, [Permission::GlobalAdmin]);
+
+        $this->assertTrue($service->allows($admin, Permission::ProjectCreate));
+        $this->assertTrue($service->allows($admin, Permission::ProjectAdmin, $project));
+        $this->assertTrue($service->allows($admin, Permission::TeamManage, $team));
+    }
+
+    /**
+     * Ensure the service can surface accessible project ids and manageable team ids.
+     */
+    public function test_scope_lookup_helpers_return_expected_ids(): void
+    {
+        $service = app(PermissionService::class);
+        $user = User::factory()->create();
+        $team = Team::factory()->create();
+        $project = Project::factory()->create();
+
+        $team->users()->attach($user);
+        $service->sync($team, $project, [Permission::ProjectRead]);
+        $service->sync($user, $team, [Permission::TeamManage]);
+
+        $this->assertSame([$project->id], $service->viewableProjectIds($user));
+        $this->assertSame([$team->id], $service->manageableTeamIds($user));
+        $this->assertTrue($service->canManageAnyTeam($user));
+    }
+}
diff --git a/tests/Feature/Projects/ProjectBacklogControllerTest.php b/tests/Feature/Projects/ProjectBacklogControllerTest.php
index eba5e03..67ef190 100644
--- a/tests/Feature/Projects/ProjectBacklogControllerTest.php
+++ b/tests/Feature/Projects/ProjectBacklogControllerTest.php
@@ -2,7 +2,6 @@
 
 namespace Tests\Feature\Projects;
 
-use App\Actions\ProjectPermissions\ProjectPermissionService;
 use App\Actions\ProjectTicketMetadata\InitializeProjectTicketMetadata;
 use App\Models\BoardColumn;
 use App\Models\Project;
@@ -47,7 +46,7 @@ class ProjectBacklogControllerTest extends TestCase
             'title' => 'Seed backlog item',
         ]);
 
-        app(ProjectPermissionService::class)->syncUserPermissions($project, $user, ['view']);
+        $this->syncProjectPermissions($project, $user, ['view']);
 
         $this->actingAs($user)
             ->get(route('projects.backlog.index', $project))
@@ -77,7 +76,7 @@ class ProjectBacklogControllerTest extends TestCase
             'position' => 1,
         ]);
 
-        app(ProjectPermissionService::class)->syncUserPermissions($project, $user, ['view']);
+        $this->syncProjectPermissions($project, $user, ['view']);
 
         $this->actingAs($user)
             ->post(route('projects.backlog.store', $project), [
@@ -107,7 +106,7 @@ class ProjectBacklogControllerTest extends TestCase
             'position' => 1,
         ]);
 
-        app(ProjectPermissionService::class)->syncUserPermissions($project, $user, ['create', 'view']);
+        $this->syncProjectPermissions($project, $user, ['create', 'view']);
 
         $payload = [
             'title' => 'Same title',
diff --git a/tests/Feature/Projects/ProjectBoardControllerTest.php b/tests/Feature/Projects/ProjectBoardControllerTest.php
index 1f49ea0..b29ba83 100644
--- a/tests/Feature/Projects/ProjectBoardControllerTest.php
+++ b/tests/Feature/Projects/ProjectBoardControllerTest.php
@@ -2,7 +2,6 @@
 
 namespace Tests\Feature\Projects;
 
-use App\Actions\ProjectPermissions\ProjectPermissionService;
 use App\Actions\ProjectTicketMetadata\InitializeProjectTicketMetadata;
 use App\Models\BoardColumn;
 use App\Models\Project;
@@ -63,7 +62,7 @@ class ProjectBoardControllerTest extends TestCase
             'title' => 'Board ticket',
         ]);
 
-        app(ProjectPermissionService::class)->syncUserPermissions($project, $user, ['view']);
+        $this->syncProjectPermissions($project, $user, ['view']);
 
         $this->actingAs($user)
             ->get(route('projects.board.index', $project))
@@ -113,7 +112,7 @@ class ProjectBoardControllerTest extends TestCase
             'title' => 'Backlog ticket',
         ]);
 
-        app(ProjectPermissionService::class)->syncUserPermissions($project, $user, ['edit', 'view']);
+        $this->syncProjectPermissions($project, $user, ['edit', 'view']);
 
         $this->actingAs($user)
             ->patch(route('projects.tickets.status.update', [$project, $ticket]), [
@@ -172,7 +171,7 @@ class ProjectBoardControllerTest extends TestCase
             'title' => 'Board ticket',
         ]);
 
-        app(ProjectPermissionService::class)->syncUserPermissions($project, $user, ['edit', 'view']);
+        $this->syncProjectPermissions($project, $user, ['edit', 'view']);
 
         $this->actingAs($user)
             ->patch(route('projects.tickets.status.update', [$project, $ticket]), [
@@ -227,7 +226,7 @@ class ProjectBoardControllerTest extends TestCase
             'title' => 'Board ticket',
         ]);
 
-        app(ProjectPermissionService::class)->syncUserPermissions($project, $user, ['edit', 'view']);
+        $this->syncProjectPermissions($project, $user, ['edit', 'view']);
 
         $this->actingAs($user)
             ->patch(route('projects.tickets.status.update', [$project, $ticket]), [
@@ -280,7 +279,7 @@ class ProjectBoardControllerTest extends TestCase
             'ticket_type_id' => $project->ticketTypes()->firstOrFail()->id,
         ]);
 
-        app(ProjectPermissionService::class)->syncUserPermissions($project, $user, ['edit', 'view']);
+        $this->syncProjectPermissions($project, $user, ['edit', 'view']);
 
         $this->actingAs($user)
             ->from(route('projects.backlog.index', $project))
diff --git a/tests/Feature/Projects/ProjectBoardSettingsControllerTest.php b/tests/Feature/Projects/ProjectBoardSettingsControllerTest.php
index 91220fe..9e385b6 100644
--- a/tests/Feature/Projects/ProjectBoardSettingsControllerTest.php
+++ b/tests/Feature/Projects/ProjectBoardSettingsControllerTest.php
@@ -2,7 +2,6 @@
 
 namespace Tests\Feature\Projects;
 
-use App\Actions\ProjectPermissions\ProjectPermissionService;
 use App\Models\BoardColumn;
 use App\Models\Project;
 use App\Models\User;
@@ -28,7 +27,7 @@ class ProjectBoardSettingsControllerTest extends TestCase
             'position' => 1,
         ]);
 
-        app(ProjectPermissionService::class)->syncUserPermissions($project, $user, ['edit']);
+        $this->syncProjectPermissions($project, $user, ['edit']);
 
         $this->actingAs($user)
             ->get(route('projects.settings.board', $project))
@@ -63,7 +62,7 @@ class ProjectBoardSettingsControllerTest extends TestCase
             'key' => 'CORE',
         ]);
 
-        app(ProjectPermissionService::class)->syncUserPermissions($project, $user, ['edit']);
+        $this->syncProjectPermissions($project, $user, ['edit']);
 
         $this->actingAs($user)
             ->post(route('projects.settings.board.columns.store', $project), [
@@ -99,7 +98,7 @@ class ProjectBoardSettingsControllerTest extends TestCase
             'position' => 3,
         ]);
 
-        app(ProjectPermissionService::class)->syncUserPermissions($project, $user, ['edit']);
+        $this->syncProjectPermissions($project, $user, ['edit']);
 
         $this->actingAs($user)
             ->patch(route('projects.settings.board.columns.update', [$project, $thirdColumn]), [
@@ -139,7 +138,7 @@ class ProjectBoardSettingsControllerTest extends TestCase
             'position' => 3,
         ]);
 
-        app(ProjectPermissionService::class)->syncUserPermissions($project, $user, ['edit']);
+        $this->syncProjectPermissions($project, $user, ['edit']);
 
         $this->actingAs($user)
             ->delete(route('projects.settings.board.columns.destroy', [$project, $secondColumn]))
diff --git a/tests/Feature/Projects/ProjectControllerTest.php b/tests/Feature/Projects/ProjectControllerTest.php
index be8d0df..3000baa 100644
--- a/tests/Feature/Projects/ProjectControllerTest.php
+++ b/tests/Feature/Projects/ProjectControllerTest.php
@@ -2,7 +2,6 @@
 
 namespace Tests\Feature\Projects;
 
-use App\Actions\ProjectPermissions\ProjectPermissionService;
 use App\Actions\ProjectTicketMetadata\InitializeProjectTicketMetadata;
 use App\Models\BoardColumn;
 use App\Models\Project;
@@ -80,9 +79,8 @@ class ProjectControllerTest extends TestCase
             'key' => 'HIDE',
         ]);
 
-        $projectPermissionService = app(ProjectPermissionService::class);
-        $projectPermissionService->syncUserPermissions($directProject, $user, ['view']);
-        $projectPermissionService->syncTeamPermissions($teamProject, $team, ['view']);
+        $this->syncProjectPermissions($directProject, $user, ['view']);
+        $this->syncProjectPermissions($teamProject, $team, ['view']);
 
         $this->actingAs($user)
             ->get(route('projects.index'))
@@ -96,11 +94,12 @@ class ProjectControllerTest extends TestCase
     }
 
     /**
-     * Ensure authenticated users can view the project creation screen.
+     * Ensure users with project create permission can view the project creation screen.
      */
     public function test_authenticated_users_can_view_the_project_creation_screen(): void
     {
         $user = User::factory()->create();
+        $this->syncGlobalPermissions($user, ['project:create']);
 
         $this->actingAs($user)
             ->get(route('projects.create'))
@@ -111,11 +110,24 @@ class ProjectControllerTest extends TestCase
     }
 
     /**
-     * Ensure project keys are normalized to uppercase on creation.
+     * Ensure users without project create permission cannot view the project creation screen.
+     */
+    public function test_users_without_project_create_permission_cannot_view_the_project_creation_screen(): void
+    {
+        $user = User::factory()->create();
+
+        $this->actingAs($user)
+            ->get(route('projects.create'))
+            ->assertForbidden();
+    }
+
+    /**
+     * Ensure users with project create permission can create projects with uppercase keys.
      */
     public function test_authenticated_users_can_create_projects_with_uppercase_keys(): void
     {
         $user = User::factory()->create();
+        $this->syncGlobalPermissions($user, ['project:create']);
 
         $response = $this->actingAs($user)
             ->post(route('projects.store'), [
@@ -132,13 +144,13 @@ class ProjectControllerTest extends TestCase
             'key' => 'CORE',
         ]);
 
-        foreach (ProjectPermissionService::permissions() as $permission) {
-            $this->assertDatabaseHas('project_user_permissions', [
-                'project_id' => $project->id,
-                'user_id' => $user->id,
-                'permission' => $permission,
-            ]);
-        }
+        $this->assertDatabaseHas('permission_assignments', [
+            'assignee_id' => $user->id,
+            'assignee_type' => $user->getMorphClass(),
+            'permission' => 'project:admin',
+            'scope_id' => $project->id,
+            'scope_type' => $project->getMorphClass(),
+        ]);
 
         $this->assertDatabaseHas('ticket_types', [
             'project_id' => $project->id,
@@ -161,6 +173,7 @@ class ProjectControllerTest extends TestCase
     public function test_project_keys_must_be_unique_case_insensitively(): void
     {
         $user = User::factory()->create();
+        $this->syncGlobalPermissions($user, ['project:create']);
 
         Project::factory()->create([
             'key' => 'AUTH',
@@ -182,6 +195,7 @@ class ProjectControllerTest extends TestCase
     public function test_project_keys_may_not_exceed_five_characters(): void
     {
         $user = User::factory()->create();
+        $this->syncGlobalPermissions($user, ['project:create']);
 
         $this->actingAs($user)
             ->from(route('projects.create'))
@@ -203,7 +217,7 @@ class ProjectControllerTest extends TestCase
             'name' => 'Core Platform',
             'key' => 'CORE',
         ]);
-        app(ProjectPermissionService::class)->syncUserPermissions($project, $user, ['view']);
+        $this->syncProjectPermissions($project, $user, ['view']);
 
         $this->actingAs($user)
             ->get(route('projects.show', $project))
@@ -228,7 +242,7 @@ class ProjectControllerTest extends TestCase
         ]);
 
         $team->users()->attach($user);
-        app(ProjectPermissionService::class)->syncTeamPermissions($project, $team, ['view']);
+        $this->syncProjectPermissions($project, $team, ['view']);
 
         $this->actingAs($user)
             ->get(route('projects.show', $project))
@@ -253,9 +267,9 @@ class ProjectControllerTest extends TestCase
     }
 
     /**
-     * Ensure edit access allows opening the project access management page.
+     * Ensure project admin access allows opening the project access management page.
      */
-    public function test_users_with_edit_permission_can_view_project_access_management(): void
+    public function test_users_with_project_admin_permission_can_view_project_access_management(): void
     {
         $user = User::factory()->create();
         $project = Project::factory()->create([
@@ -265,7 +279,7 @@ class ProjectControllerTest extends TestCase
             'name' => 'Platform Team',
         ]);
 
-        app(ProjectPermissionService::class)->syncUserPermissions($project, $user, ['edit']);
+        $this->syncProjectPermissions($project, $user, ['admin']);
 
         $this->actingAs($user)
             ->get(route('projects.access', $project))
@@ -275,7 +289,7 @@ class ProjectControllerTest extends TestCase
                 ->where('project.id', $project->id)
                 ->has('users', 1)
                 ->has('teams', 1)
-                ->where('permissionOptions.0.value', 'create'),
+                ->where('permissionOptions.0.value', 'project:read'),
             );
     }
 
@@ -309,7 +323,7 @@ class ProjectControllerTest extends TestCase
             'key' => 'CORE',
         ]);
 
-        app(ProjectPermissionService::class)->syncUserPermissions($project, $user, ['view', 'edit', 'delete']);
+        $this->syncProjectPermissions($project, $user, ['admin']);
 
         $this->actingAs($user)
             ->get(route('projects.settings.general', $project))
@@ -348,7 +362,7 @@ class ProjectControllerTest extends TestCase
             'title' => 'Delete me',
         ]);
 
-        app(ProjectPermissionService::class)->syncUserPermissions($project, $member, ['view']);
+        $this->syncProjectPermissions($project, $member, ['view']);
 
         $this->actingAs($admin)
             ->delete(route('projects.destroy', $project), [
@@ -366,10 +380,12 @@ class ProjectControllerTest extends TestCase
         $this->assertDatabaseMissing('tickets', [
             'id' => $ticket->id,
         ]);
-        $this->assertDatabaseMissing('project_user_permissions', [
-            'project_id' => $project->id,
-            'user_id' => $member->id,
-            'permission' => 'view',
+        $this->assertDatabaseMissing('permission_assignments', [
+            'assignee_id' => $member->id,
+            'assignee_type' => $member->getMorphClass(),
+            'permission' => 'project:read',
+            'scope_id' => $project->id,
+            'scope_type' => $project->getMorphClass(),
         ]);
     }
 
@@ -406,7 +422,7 @@ class ProjectControllerTest extends TestCase
             'key' => 'CORE',
         ]);
 
-        app(ProjectPermissionService::class)->syncUserPermissions($project, $user, ['view', 'edit', 'delete']);
+        $this->syncProjectPermissions($project, $user, ['admin']);
 
         $this->actingAs($user)
             ->delete(route('projects.destroy', $project), [
@@ -434,28 +450,32 @@ class ProjectControllerTest extends TestCase
 
         $this->actingAs($admin)
             ->patch(route('projects.permissions.users.update', [$project, $member]), [
-                'permissions' => ['view', 'edit'],
+                'permissions' => ['project:read', 'project:write'],
             ])
             ->assertRedirect(route('projects.access', $project))
             ->assertSessionHas('status', 'Regular User permissions were updated.');
 
-        $this->assertDatabaseHas('project_user_permissions', [
-            'project_id' => $project->id,
-            'user_id' => $member->id,
-            'permission' => 'view',
+        $this->assertDatabaseHas('permission_assignments', [
+            'assignee_id' => $member->id,
+            'assignee_type' => $member->getMorphClass(),
+            'permission' => 'project:read',
+            'scope_id' => $project->id,
+            'scope_type' => $project->getMorphClass(),
         ]);
 
-        $this->assertDatabaseHas('project_user_permissions', [
-            'project_id' => $project->id,
-            'user_id' => $member->id,
-            'permission' => 'edit',
+        $this->assertDatabaseHas('permission_assignments', [
+            'assignee_id' => $member->id,
+            'assignee_type' => $member->getMorphClass(),
+            'permission' => 'project:write',
+            'scope_id' => $project->id,
+            'scope_type' => $project->getMorphClass(),
         ]);
     }
 
     /**
-     * Ensure users with project edit access can update team permissions.
+     * Ensure users with project admin access can update team permissions.
      */
-    public function test_users_with_edit_permission_can_update_team_permissions(): void
+    public function test_users_with_project_admin_permission_can_update_team_permissions(): void
     {
         $manager = User::factory()->create();
         $team = Team::factory()->create([
@@ -465,25 +485,29 @@ class ProjectControllerTest extends TestCase
             'key' => 'OPS',
         ]);
 
-        app(ProjectPermissionService::class)->syncUserPermissions($project, $manager, ['edit']);
+        $this->syncProjectPermissions($project, $manager, ['admin']);
 
         $this->actingAs($manager)
             ->patch(route('projects.permissions.teams.update', [$project, $team]), [
-                'permissions' => ['view', 'create'],
+                'permissions' => ['project:read', 'project:write'],
             ])
             ->assertRedirect(route('projects.access', $project))
             ->assertSessionHas('status', 'Delivery Team permissions were updated.');
 
-        $this->assertDatabaseHas('project_team_permissions', [
-            'project_id' => $project->id,
-            'team_id' => $team->id,
-            'permission' => 'view',
+        $this->assertDatabaseHas('permission_assignments', [
+            'assignee_id' => $team->id,
+            'assignee_type' => $team->getMorphClass(),
+            'permission' => 'project:read',
+            'scope_id' => $project->id,
+            'scope_type' => $project->getMorphClass(),
         ]);
 
-        $this->assertDatabaseHas('project_team_permissions', [
-            'project_id' => $project->id,
-            'team_id' => $team->id,
-            'permission' => 'create',
+        $this->assertDatabaseHas('permission_assignments', [
+            'assignee_id' => $team->id,
+            'assignee_type' => $team->getMorphClass(),
+            'permission' => 'project:write',
+            'scope_id' => $project->id,
+            'scope_type' => $project->getMorphClass(),
         ]);
     }
 }
diff --git a/tests/Feature/Projects/ProjectRepositorySettingsControllerTest.php b/tests/Feature/Projects/ProjectRepositorySettingsControllerTest.php
index c7b534c..83b61e1 100644
--- a/tests/Feature/Projects/ProjectRepositorySettingsControllerTest.php
+++ b/tests/Feature/Projects/ProjectRepositorySettingsControllerTest.php
@@ -3,7 +3,6 @@
 namespace Tests\Feature\Projects;
 
 use App\Actions\Git\GitProviderKey;
-use App\Actions\ProjectPermissions\ProjectPermissionService;
 use App\Models\Project;
 use App\Models\RepositoryConnection;
 use App\Models\User;
@@ -37,7 +36,7 @@ class ProjectRepositorySettingsControllerTest extends TestCase
             'repository_url' => 'https://git.example.test/core-team/kanbangit',
         ]);
 
-        app(ProjectPermissionService::class)->syncUserPermissions($project, $user, ['edit']);
+        $this->syncProjectPermissions($project, $user, ['edit']);
 
         $this->actingAs($user)
             ->get(route('projects.settings.repositories', $project))
@@ -92,7 +91,7 @@ class ProjectRepositorySettingsControllerTest extends TestCase
             'provider' => GitProviderKey::Gitea,
         ]);
 
-        app(ProjectPermissionService::class)->syncUserPermissions($project, $user, ['edit']);
+        $this->syncProjectPermissions($project, $user, ['edit']);
 
         $this->actingAs($user)
             ->post(route('projects.settings.repositories.store', $project), [
@@ -126,7 +125,7 @@ class ProjectRepositorySettingsControllerTest extends TestCase
         $project = Project::factory()->create();
         $foreignGitConnection = UserGitConnection::factory()->for($otherUser)->create();
 
-        app(ProjectPermissionService::class)->syncUserPermissions($project, $user, ['edit']);
+        $this->syncProjectPermissions($project, $user, ['edit']);
 
         $this->actingAs($user)
             ->post(route('projects.settings.repositories.store', $project), [
@@ -173,7 +172,7 @@ class ProjectRepositorySettingsControllerTest extends TestCase
             'provider' => GitProviderKey::Gitea,
         ]);
 
-        app(ProjectPermissionService::class)->syncUserPermissions($project, $user, ['edit']);
+        $this->syncProjectPermissions($project, $user, ['edit']);
 
         $this->actingAs($user)
             ->patch(route('projects.settings.repositories.update', [$project, $repositoryConnection]), [
@@ -204,7 +203,7 @@ class ProjectRepositorySettingsControllerTest extends TestCase
             'repository_full_name' => 'core-team/kanbangit',
         ]);
 
-        app(ProjectPermissionService::class)->syncUserPermissions($project, $user, ['edit']);
+        $this->syncProjectPermissions($project, $user, ['edit']);
 
         $this->actingAs($user)
             ->delete(route('projects.settings.repositories.destroy', [$project, $repositoryConnection]))
diff --git a/tests/Feature/Projects/ProjectTicketBranchControllerTest.php b/tests/Feature/Projects/ProjectTicketBranchControllerTest.php
index f02edae..e36a748 100644
--- a/tests/Feature/Projects/ProjectTicketBranchControllerTest.php
+++ b/tests/Feature/Projects/ProjectTicketBranchControllerTest.php
@@ -3,7 +3,6 @@
 namespace Tests\Feature\Projects;
 
 use App\Actions\Git\GitProviderKey;
-use App\Actions\ProjectPermissions\ProjectPermissionService;
 use App\Actions\ProjectTicketMetadata\InitializeProjectTicketMetadata;
 use App\Models\Project;
 use App\Models\RepositoryConnection;
@@ -48,7 +47,7 @@ class ProjectTicketBranchControllerTest extends TestCase
             'provider' => GitProviderKey::Gitea,
         ]);
 
-        app(ProjectPermissionService::class)->syncUserPermissions($project, $user, ['edit', 'view']);
+        $this->syncProjectPermissions($project, $user, ['edit', 'view']);
 
         $this->actingAs($user)
             ->getJson(route('projects.tickets.branches.validate', [
@@ -92,7 +91,7 @@ class ProjectTicketBranchControllerTest extends TestCase
             'provider' => GitProviderKey::Gitea,
         ]);
 
-        app(ProjectPermissionService::class)->syncUserPermissions($project, $user, ['edit', 'view']);
+        $this->syncProjectPermissions($project, $user, ['edit', 'view']);
 
         $this->actingAs($user)
             ->getJson(route('projects.tickets.branches.validate', [
@@ -128,7 +127,7 @@ class ProjectTicketBranchControllerTest extends TestCase
             'repository_url' => 'https://git.example.test/core-team/kanbangit',
         ]);
 
-        app(ProjectPermissionService::class)->syncUserPermissions($project, $user, ['edit', 'view']);
+        $this->syncProjectPermissions($project, $user, ['edit', 'view']);
 
         $this->actingAs($user)
             ->getJson(route('projects.tickets.branches.validate', [
@@ -188,7 +187,7 @@ class ProjectTicketBranchControllerTest extends TestCase
             'provider' => GitProviderKey::Gitea,
         ]);
 
-        app(ProjectPermissionService::class)->syncUserPermissions($project, $user, ['edit', 'view']);
+        $this->syncProjectPermissions($project, $user, ['edit', 'view']);
 
         $this->actingAs($user)
             ->post(route('projects.tickets.branches.store', [$project, $ticket]), [
diff --git a/tests/Feature/Projects/ProjectTicketControllerTest.php b/tests/Feature/Projects/ProjectTicketControllerTest.php
index c6ff7a7..f8b469d 100644
--- a/tests/Feature/Projects/ProjectTicketControllerTest.php
+++ b/tests/Feature/Projects/ProjectTicketControllerTest.php
@@ -2,7 +2,6 @@
 
 namespace Tests\Feature\Projects;
 
-use App\Actions\ProjectPermissions\ProjectPermissionService;
 use App\Actions\ProjectTicketMetadata\InitializeProjectTicketMetadata;
 use App\Models\Project;
 use App\Models\RepositoryConnection;
@@ -86,7 +85,7 @@ class ProjectTicketControllerTest extends TestCase
             'ticket_id' => $ticket->id,
         ]);
 
-        app(ProjectPermissionService::class)->syncUserPermissions($project, $viewer, ['view']);
+        $this->syncProjectPermissions($project, $viewer, ['view']);
 
         $this->actingAs($viewer)
             ->get(route('projects.tickets.show', [$project, $ticket]))
@@ -196,7 +195,7 @@ class ProjectTicketControllerTest extends TestCase
             'base_url' => 'https://git.example.test',
         ]);
 
-        app(ProjectPermissionService::class)->syncUserPermissions($project, $viewer, ['view']);
+        $this->syncProjectPermissions($project, $viewer, ['view']);
 
         $this->actingAs($viewer)
             ->get(route('projects.tickets.show', [$project, $ticket]))
@@ -244,7 +243,7 @@ class ProjectTicketControllerTest extends TestCase
             'ticket_type_id' => $project->ticketTypes()->firstOrFail()->id,
         ]);
 
-        app(ProjectPermissionService::class)->syncUserPermissions($project, $viewer, ['view']);
+        $this->syncProjectPermissions($project, $viewer, ['view']);
 
         $this->actingAs($viewer)
             ->patch(route('projects.tickets.update', [$project, $ticket]), [
@@ -325,7 +324,7 @@ class ProjectTicketControllerTest extends TestCase
             'value_user_id' => null,
         ]);
 
-        app(ProjectPermissionService::class)->syncUserPermissions($project, $editor, ['edit', 'view']);
+        $this->syncProjectPermissions($project, $editor, ['edit', 'view']);
 
         $this->actingAs($editor)
             ->patch(route('projects.tickets.update', [$project, $ticket]), [
@@ -417,7 +416,7 @@ class ProjectTicketControllerTest extends TestCase
             'title' => 'Child ticket',
         ]);
 
-        app(ProjectPermissionService::class)->syncUserPermissions($project, $editor, ['edit', 'view']);
+        $this->syncProjectPermissions($project, $editor, ['edit', 'view']);
 
         $this->actingAs($editor)
             ->from(route('projects.tickets.show', [$project, $childTicket]))
@@ -474,7 +473,7 @@ class ProjectTicketControllerTest extends TestCase
             'title' => 'Child ticket',
         ]);
 
-        app(ProjectPermissionService::class)->syncUserPermissions($project, $editor, ['edit', 'view']);
+        $this->syncProjectPermissions($project, $editor, ['edit', 'view']);
 
         $this->actingAs($editor)
             ->patch(route('projects.tickets.update', [$project, $childTicket]), [
@@ -563,7 +562,7 @@ class ProjectTicketControllerTest extends TestCase
             'title' => 'Nested task',
         ]);
 
-        app(ProjectPermissionService::class)->syncUserPermissions($project, $viewer, ['view']);
+        $this->syncProjectPermissions($project, $viewer, ['view']);
 
         $this->actingAs($viewer)
             ->get(route('projects.tickets.show', [$project, $rootParent]))
@@ -596,7 +595,7 @@ class ProjectTicketControllerTest extends TestCase
             'ticket_type_id' => $project->ticketTypes()->firstOrFail()->id,
         ]);
 
-        app(ProjectPermissionService::class)->syncUserPermissions($project, $editor, ['edit', 'view']);
+        $this->syncProjectPermissions($project, $editor, ['edit', 'view']);
 
         $this->actingAs($editor)
             ->from(route('projects.tickets.show', [$project, $ticket]))
@@ -645,7 +644,7 @@ class ProjectTicketControllerTest extends TestCase
             'ticket_type_id' => $project->ticketTypes()->firstOrFail()->id,
         ]);
 
-        app(ProjectPermissionService::class)->syncUserPermissions($project, $editor, ['edit', 'view']);
+        $this->syncProjectPermissions($project, $editor, ['edit', 'view']);
 
         $this->actingAs($editor)
             ->patch(route('projects.tickets.update', [$project, $ticket]), [
diff --git a/tests/Feature/Projects/ProjectTicketLinkControllerTest.php b/tests/Feature/Projects/ProjectTicketLinkControllerTest.php
index e1e09ac..482436f 100644
--- a/tests/Feature/Projects/ProjectTicketLinkControllerTest.php
+++ b/tests/Feature/Projects/ProjectTicketLinkControllerTest.php
@@ -2,7 +2,6 @@
 
 namespace Tests\Feature\Projects;
 
-use App\Actions\ProjectPermissions\ProjectPermissionService;
 use App\Actions\ProjectTicketMetadata\InitializeProjectTicketMetadata;
 use App\Models\Project;
 use App\Models\Ticket;
@@ -53,7 +52,7 @@ class ProjectTicketLinkControllerTest extends TestCase
             'ticket_type_id' => $taskType->id,
         ]);
 
-        app(ProjectPermissionService::class)->syncUserPermissions($project, $user, ['edit', 'view']);
+        $this->syncProjectPermissions($project, $user, ['edit', 'view']);
 
         $this->actingAs($user)
             ->post(route('projects.tickets.links.store', [$project, $ticket]), [
@@ -118,7 +117,7 @@ class ProjectTicketLinkControllerTest extends TestCase
             'ticket_type_id' => $otherTaskType->id,
         ]);
 
-        app(ProjectPermissionService::class)->syncUserPermissions($project, $user, ['edit', 'view']);
+        $this->syncProjectPermissions($project, $user, ['edit', 'view']);
 
         $this->actingAs($user)
             ->from(route('projects.tickets.show', [$project, $ticket]))
@@ -180,7 +179,7 @@ class ProjectTicketLinkControllerTest extends TestCase
             'ticket_link_type_id' => $ticketLinkType->id,
         ]);
 
-        app(ProjectPermissionService::class)->syncUserPermissions($project, $user, ['edit', 'view']);
+        $this->syncProjectPermissions($project, $user, ['edit', 'view']);
 
         $this->actingAs($user)
             ->delete(route('projects.tickets.links.destroy', [$project, $ticket, $ticketLink]))
diff --git a/tests/Feature/Projects/ProjectTicketMetadataSettingsControllerTest.php b/tests/Feature/Projects/ProjectTicketMetadataSettingsControllerTest.php
index 1fd6dad..9b896ab 100644
--- a/tests/Feature/Projects/ProjectTicketMetadataSettingsControllerTest.php
+++ b/tests/Feature/Projects/ProjectTicketMetadataSettingsControllerTest.php
@@ -2,7 +2,6 @@
 
 namespace Tests\Feature\Projects;
 
-use App\Actions\ProjectPermissions\ProjectPermissionService;
 use App\Models\Project;
 use App\Models\TicketFieldDefinition;
 use App\Models\TicketLinkType;
@@ -33,7 +32,7 @@ class ProjectTicketMetadataSettingsControllerTest extends TestCase
             'position' => 1,
         ]);
 
-        app(ProjectPermissionService::class)->syncUserPermissions($project, $user, ['edit']);
+        $this->syncProjectPermissions($project, $user, ['edit']);
 
         $this->actingAs($user)
             ->get(route('projects.settings.metadata', $project))
@@ -55,7 +54,7 @@ class ProjectTicketMetadataSettingsControllerTest extends TestCase
         $user = User::factory()->create();
         $project = Project::factory()->create();
 
-        app(ProjectPermissionService::class)->syncUserPermissions($project, $user, ['edit']);
+        $this->syncProjectPermissions($project, $user, ['edit']);
 
         $this->actingAs($user)
             ->post(route('projects.settings.metadata.types.store', $project), [
@@ -80,7 +79,7 @@ class ProjectTicketMetadataSettingsControllerTest extends TestCase
         $user = User::factory()->create();
         $project = Project::factory()->create();
 
-        app(ProjectPermissionService::class)->syncUserPermissions($project, $user, ['edit']);
+        $this->syncProjectPermissions($project, $user, ['edit']);
 
         $taskType = TicketType::query()
             ->where('project_id', $project->id)
@@ -130,7 +129,7 @@ class ProjectTicketMetadataSettingsControllerTest extends TestCase
             'position' => 1,
         ]);
 
-        app(ProjectPermissionService::class)->syncUserPermissions($project, $user, ['edit']);
+        $this->syncProjectPermissions($project, $user, ['edit']);
 
         $this->actingAs($user)
             ->post(route('projects.settings.metadata.priorities.store', $project), [
@@ -169,7 +168,7 @@ class ProjectTicketMetadataSettingsControllerTest extends TestCase
             'position' => 1,
         ]);
 
-        app(ProjectPermissionService::class)->syncUserPermissions($project, $user, ['edit']);
+        $this->syncProjectPermissions($project, $user, ['edit']);
 
         $this->actingAs($user)
             ->post(route('projects.settings.metadata.fields.store', $project), [
@@ -203,7 +202,7 @@ class ProjectTicketMetadataSettingsControllerTest extends TestCase
         $user = User::factory()->create();
         $project = Project::factory()->create();
 
-        app(ProjectPermissionService::class)->syncUserPermissions($project, $user, ['edit']);
+        $this->syncProjectPermissions($project, $user, ['edit']);
 
         $this->actingAs($user)
             ->from(route('projects.settings.metadata', $project))
@@ -227,7 +226,7 @@ class ProjectTicketMetadataSettingsControllerTest extends TestCase
             'position' => 1,
         ]);
 
-        app(ProjectPermissionService::class)->syncUserPermissions($project, $user, ['edit']);
+        $this->syncProjectPermissions($project, $user, ['edit']);
 
         $this->actingAs($user)
             ->post(route('projects.settings.metadata.link-types.store', $project), [
diff --git a/tests/Feature/Teams/TeamControllerTest.php b/tests/Feature/Teams/TeamControllerTest.php
index f94a32c..d3cded2 100644
--- a/tests/Feature/Teams/TeamControllerTest.php
+++ b/tests/Feature/Teams/TeamControllerTest.php
@@ -28,10 +28,11 @@ class TeamControllerTest extends TestCase
         $team->users()->attach($member);
 
         $this->actingAs($admin)
-            ->get(route('admin.teams.index'))
+            ->get(route('teams.index'))
             ->assertOk()
             ->assertInertia(fn (Assert $page) => $page
                 ->component('teams/Index')
+                ->where('canCreateTeams', true)
                 ->where('teams.0.name', 'Platform Team')
                 ->where('teams.0.user_ids.0', $member->id)
                 ->where('teams.0.users.0.email', 'member@example.com'),
@@ -46,10 +47,10 @@ class TeamControllerTest extends TestCase
         $admin = User::factory()->admin()->create();
 
         $this->actingAs($admin)
-            ->post(route('admin.teams.store'), [
+            ->post(route('teams.store'), [
                 'name' => 'Delivery Team',
             ])
-            ->assertRedirect(route('admin.teams.index'))
+            ->assertRedirect(route('teams.index'))
             ->assertSessionHas('status', 'Delivery Team was created.');
 
         $this->assertDatabaseHas('teams', [
@@ -70,10 +71,10 @@ class TeamControllerTest extends TestCase
         ]);
 
         $this->actingAs($admin)
-            ->patch(route('admin.teams.members.update', $team), [
+            ->patch(route('teams.members.update', $team), [
                 'user_ids' => [$firstMember->id, $secondMember->id],
             ])
-            ->assertRedirect(route('admin.teams.index'))
+            ->assertRedirect(route('teams.index'))
             ->assertSessionHas('status', 'Platform Team members were updated.');
 
         $this->assertDatabaseHas('team_user', [
@@ -88,14 +89,14 @@ class TeamControllerTest extends TestCase
     }
 
     /**
-     * Ensure non-admin users cannot view the teams management page.
+     * Ensure users without team management access cannot view the teams page.
      */
     public function test_non_admins_cannot_view_the_teams_management_page(): void
     {
         $user = User::factory()->create();
 
         $this->actingAs($user)
-            ->get(route('admin.teams.index'))
+            ->get(route('teams.index'))
             ->assertForbidden();
     }
 
@@ -107,7 +108,7 @@ class TeamControllerTest extends TestCase
         $user = User::factory()->create();
 
         $this->actingAs($user)
-            ->post(route('admin.teams.store'), [
+            ->post(route('teams.store'), [
                 'name' => 'Platform Team',
             ])
             ->assertForbidden();
@@ -122,9 +123,48 @@ class TeamControllerTest extends TestCase
         $team = Team::factory()->create();
 
         $this->actingAs($user)
-            ->patch(route('admin.teams.members.update', $team), [
+            ->patch(route('teams.members.update', $team), [
                 'user_ids' => [],
             ])
             ->assertForbidden();
     }
+
+    /**
+     * Ensure users with team manage access can view and update their assigned teams.
+     */
+    public function test_team_managers_can_view_and_update_their_team(): void
+    {
+        $manager = User::factory()->create();
+        $member = User::factory()->create();
+        $team = Team::factory()->create([
+            'name' => 'Platform Team',
+        ]);
+
+        $this->syncTeamPermissions($team, $manager, ['team:manage']);
+
+        $this->actingAs($manager)
+            ->get(route('teams.index'))
+            ->assertOk()
+            ->assertInertia(fn (Assert $page) => $page
+                ->component('teams/Index')
+                ->where('canCreateTeams', false)
+                ->where('teams.0.name', 'Platform Team')
+                ->where("teamPermissions.{$team->id}.{$manager->id}.0", 'team:manage'),
+            );
+
+        $this->actingAs($manager)
+            ->patch(route('teams.permissions.users.update', [$team, $member]), [
+                'permissions' => ['team:invite'],
+            ])
+            ->assertRedirect(route('teams.index'))
+            ->assertSessionHas('status', "{$member->name} permissions on {$team->name} were updated.");
+
+        $this->assertDatabaseHas('permission_assignments', [
+            'assignee_id' => $member->id,
+            'assignee_type' => $member->getMorphClass(),
+            'permission' => 'team:invite',
+            'scope_id' => $team->id,
+            'scope_type' => $team->getMorphClass(),
+        ]);
+    }
 }
diff --git a/tests/TestCase.php b/tests/TestCase.php
index 3399054..8a7bbf6 100644
--- a/tests/TestCase.php
+++ b/tests/TestCase.php
@@ -2,6 +2,11 @@
 
 namespace Tests;
 
+use App\Actions\Permissions\PermissionService;
+use App\Enums\Permission;
+use App\Models\Project;
+use App\Models\Team;
+use App\Models\User;
 use Illuminate\Foundation\Testing\TestCase as BaseTestCase;
 use Laravel\Fortify\Features;
 
@@ -13,4 +18,79 @@ abstract class TestCase extends BaseTestCase
             $this->markTestSkipped($message ?? "Fortify feature [{$feature}] is not enabled.");
         }
     }
+
+    /**
+     * @param  array<int, Permission|string>  $permissions
+     */
+    protected function syncGlobalPermissions(User $user, array $permissions): void
+    {
+        app(PermissionService::class)->sync(
+            $user,
+            null,
+            $this->normalizePermissions($permissions, 'global'),
+        );
+    }
+
+    /**
+     * @param  array<int, Permission|string>  $permissions
+     */
+    protected function syncProjectPermissions(Project $project, User|Team $assignee, array $permissions): void
+    {
+        app(PermissionService::class)->sync(
+            $assignee,
+            $project,
+            $this->normalizePermissions($permissions, 'project'),
+        );
+    }
+
+    /**
+     * @param  array<int, Permission|string>  $permissions
+     */
+    protected function syncTeamPermissions(Team $team, User $user, array $permissions): void
+    {
+        app(PermissionService::class)->sync(
+            $user,
+            $team,
+            $this->normalizePermissions($permissions, 'team'),
+        );
+    }
+
+    /**
+     * @param  array<int, Permission|string>  $permissions
+     * @return array<int, string>
+     */
+    private function normalizePermissions(array $permissions, string $scope): array
+    {
+        return collect($permissions)
+            ->map(function (Permission|string $permission) use ($scope): string {
+                if ($permission instanceof Permission) {
+                    return $permission->value;
+                }
+
+                return match ($scope) {
+                    'global' => match ($permission) {
+                        'admin', 'global:admin' => Permission::GlobalAdmin->value,
+                        'create', 'project:create' => Permission::ProjectCreate->value,
+                        default => $permission,
+                    },
+                    'project' => match ($permission) {
+                        'admin', 'delete', 'project:admin' => Permission::ProjectAdmin->value,
+                        'edit' => Permission::ProjectAdmin->value,
+                        'create', 'project:write', 'write' => Permission::ProjectWrite->value,
+                        'project:read', 'read', 'view' => Permission::ProjectRead->value,
+                        default => $permission,
+                    },
+                    'team' => match ($permission) {
+                        'admin', 'team:admin' => Permission::TeamAdmin->value,
+                        'invite', 'team:invite' => Permission::TeamInvite->value,
+                        'manage', 'team:manage' => Permission::TeamManage->value,
+                        default => $permission,
+                    },
+                    default => $permission,
+                };
+            })
+            ->unique()
+            ->values()
+            ->all();
+    }
 }