diff --git a/app/Filament/Tenant/Resources/MasterResource.php b/app/Filament/Tenant/Resources/MasterResource.php
index 3ed9eab..720ecb3 100644
--- a/app/Filament/Tenant/Resources/MasterResource.php
+++ b/app/Filament/Tenant/Resources/MasterResource.php
@@ -13,6 +13,7 @@ use Filament\Tables;
 use Filament\Tables\Table;
 use Illuminate\Database\Eloquent\Builder;
 use Illuminate\Support\Facades\Hash;
+use Illuminate\Validation\Rules\Unique;
 
 /**
  * Tehnicieni — vedere filtrată peste users (role=mechanic).
@@ -62,7 +63,17 @@ class MasterResource extends Resource
                 ->schema([
                     Forms\Components\TextInput::make('name')->label(__('Nume'))->required()->maxLength(120),
                     Forms\Components\TextInput::make('phone')->label(__('Telefon'))->tel()->maxLength(40),
-                    Forms\Components\TextInput::make('email')->label(__('Email'))->email()->maxLength(120),
+                    Forms\Components\TextInput::make('email')
+                        ->label(__('Email'))
+                        ->email()
+                        ->maxLength(120)
+                        ->unique(
+                            table: 'users',
+                            column: 'email',
+                            ignoreRecord: true,
+                            modifyRuleUsing: fn (Unique $rule) => $rule->where('company_id', auth()->user()?->company_id),
+                        )
+                        ->validationMessages(['unique' => __('Acest email este deja folosit de un alt utilizator.')]),
                     Forms\Components\Select::make('status')
                         ->options(['active' => __('Activ'), 'inactive' => __('Inactiv'), 'blocked' => __('Blocat')])
                         ->default('active')
diff --git a/app/Filament/Tenant/Resources/UserResource.php b/app/Filament/Tenant/Resources/UserResource.php
index 895b160..04f1148 100644
--- a/app/Filament/Tenant/Resources/UserResource.php
+++ b/app/Filament/Tenant/Resources/UserResource.php
@@ -13,6 +13,7 @@ use Filament\Schemas;
 use Filament\Tables;
 use Filament\Tables\Table;
 use Illuminate\Support\Facades\Hash;
+use Illuminate\Validation\Rules\Unique;
 
 class UserResource extends Resource
 {
@@ -68,7 +69,17 @@ class UserResource extends Resource
                 ->columns(2)
                 ->schema([
                     Forms\Components\TextInput::make('name')->label(__('Nume'))->required()->maxLength(120),
-                    Forms\Components\TextInput::make('email')->email()->required()->maxLength(120),
+                    Forms\Components\TextInput::make('email')
+                        ->email()
+                        ->required()
+                        ->maxLength(120)
+                        ->unique(
+                            table: 'users',
+                            column: 'email',
+                            ignoreRecord: true,
+                            modifyRuleUsing: fn (Unique $rule) => $rule->where('company_id', auth()->user()?->company_id),
+                        )
+                        ->validationMessages(['unique' => __('Acest email este deja folosit de un alt utilizator.')]),
                     Forms\Components\TextInput::make('phone')->tel()->maxLength(40),
                     Forms\Components\Select::make('locale')
                         ->options(['ro' => __('Română'), 'ru' => 'Русский', 'en' => 'English'])