diff --git a/Core.Thalos.BFF.Api/Controllers/UserController.cs b/Core.Thalos.BFF.Api/Controllers/UserController.cs
index 383f127..241b8b7 100644
--- a/Core.Thalos.BFF.Api/Controllers/UserController.cs
+++ b/Core.Thalos.BFF.Api/Controllers/UserController.cs
@@ -75,6 +75,8 @@ namespace Core.Thalos.BFF.Api.Controllers
 
                 if (string.IsNullOrEmpty(newUser.RoleId)) return BadRequest("Invalid role id");
 
+                if (string.IsNullOrEmpty(newUser.TenantId)) return BadRequest("Invalid tenant id");
+
                 return await Handle(() => thalosServiceClient.CreateUserService(newUser, cancellationToken)).ConfigureAwait(false);
             }
             catch (Exception ex)
@@ -170,8 +172,6 @@ namespace Core.Thalos.BFF.Api.Controllers
 
                 if (string.IsNullOrEmpty(request.RoleId)) return BadRequest("Invalid role id");
 
-                if (!request.Companies.Any()) return BadRequest("The user must contain at least one company");
-
                 return await Handle(() => thalosServiceClient.UpdateUserService(request, cancellationToken)).ConfigureAwait(false);
             }
             catch (Exception ex)
diff --git a/Core.Thalos.External/Clients/Thalos/Requests/Users/CreateUserRequest.cs b/Core.Thalos.External/Clients/Thalos/Requests/Users/CreateUserRequest.cs
index 10a1a74..7f78bca 100644
--- a/Core.Thalos.External/Clients/Thalos/Requests/Users/CreateUserRequest.cs
+++ b/Core.Thalos.External/Clients/Thalos/Requests/Users/CreateUserRequest.cs
@@ -7,6 +7,7 @@
         public string? MiddleName { get; set; }
         public string LastName { get; set; } = null!;
         public string RoleId { get; set; } = null!;
+        public string TenantId { get; set; } = null!;
         public bool SendInvitation { get; set; }
     }
 }
diff --git a/Core.Thalos.External/Clients/Thalos/Requests/Users/UpdateUserRequest.cs b/Core.Thalos.External/Clients/Thalos/Requests/Users/UpdateUserRequest.cs
index 9c55680..4d8a77d 100644
--- a/Core.Thalos.External/Clients/Thalos/Requests/Users/UpdateUserRequest.cs
+++ b/Core.Thalos.External/Clients/Thalos/Requests/Users/UpdateUserRequest.cs
@@ -10,8 +10,8 @@ namespace Core.Thalos.Application.UseCases.Users.Input
         public string? MiddleName { get; set; }
         public string LastName { get; set; } = null!;
         public string RoleId { get; set; } = null!;
-        public string[] Companies { get; set; } = null!;
-        public string[]? Projects { get; set; }
+        public string TenantId { get; set; } = null!;
+
         public StatusEnum Status { get; set; }
     }
 }
\ No newline at end of file