diff --git a/src/IssSupernova.php b/src/IssSupernova.php
index 797e120..4b01faa 100755
--- a/src/IssSupernova.php
+++ b/src/IssSupernova.php
@@ -21,6 +21,7 @@
 use Bildvitta\IssSupernova\Contracts\IssSupernovaFactory;
 use Bildvitta\IssSupernova\Resources\RealEstateDevelopmentTypologies;
 use Bildvitta\IssSupernova\Resources\RealEstateDevelopmentUnits;
+use Bildvitta\IssSupernova\Resources\Users;
 use Illuminate\Http\Client\Factory as HttpClient;
 use Illuminate\Http\Client\PendingRequest;
 use Illuminate\Support\Facades\Cache;
@@ -190,4 +191,9 @@ public function customerPersonalReferences()
     {
         return new CustomerPersonalReferences($this);
     }
+
+    public function users()
+    {
+        return new Users($this);
+    }
 }
diff --git a/src/Observers/User/UserObserver.php b/src/Observers/User/UserObserver.php
new file mode 100644
index 0000000..b26ff3b
--- /dev/null
+++ b/src/Observers/User/UserObserver.php
@@ -0,0 +1,99 @@
+<?php
+
+namespace Bildvitta\IssSupernova\Observers\User;
+
+use App\Models\User;
+use Bildvitta\IssSupernova\IssSupernova;
+use Illuminate\Support\Facades\App;
+use Illuminate\Support\Facades\Config;
+use Illuminate\Support\Facades\Log;
+
+class UserObserver
+{
+    public function created($user)
+    {
+        if (!Config::get('iss-supernova.base_uri')) {
+            return;
+        }
+
+        $user->loadMissing(
+            'company',
+            'groups',
+        );
+        $data = $user->toArray();
+        $data['permissions'] = $user->getAllPermissions();
+        $data['supervisor_uuid'] = $this->getUserUuidByPermission('supervisor.brokers.' . $user->uuid);
+        $data['manager_uuid'] = $data['supervisor_uuid'] ? $this->getUserUuidByPermission('manager.supervisors.' . $data['supervisor_uuid']) : null;
+        $data['sync_to'] = 'sys';
+
+        try {
+            $issSupernova = new IssSupernova();
+            $response = $issSupernova->users()->create($data);
+            return $response;
+        } catch (\Throwable $exception) {
+            Log::error($exception->getMessage());
+            throw $exception;
+        }
+    }
+
+    public function updated($user)
+    {
+        if (!Config::get('iss-supernova.base_uri')) {
+            return;
+        }
+
+        $user->loadMissing(
+            'company',
+            'groups',
+        );
+        $data = $user->toArray();
+        $data['permissions'] = $user->getAllPermissions();
+        $data['supervisor_uuid'] = $this->getUserUuidByPermission('supervisor.brokers.' . $user->uuid);
+        $data['manager_uuid'] = $data['supervisor_uuid'] ? $this->getUserUuidByPermission('manager.supervisors.' . $data['supervisor_uuid']) : null;
+        $data['sync_to'] = 'sys';
+
+        try {
+            $issSupernova = new IssSupernova();
+            $response = $issSupernova->users()->update($data);
+            return $response;
+        } catch (\Throwable $exception) {
+            Log::error($exception->getMessage());
+            throw $exception;
+        }
+    }
+
+    public function deleted($user)
+    {
+        //
+    }
+
+    protected function getUserUuidByPermission($permission, $projectSlug='modular') {
+        $permission = is_array($permission) ? $permission : [$permission];
+        $user = User::where(function ($query) use ($permission, $projectSlug) {
+            $query->whereHas('groups', function ($query) use ($permission, $projectSlug) {
+                $query->whereHas('permissions', function ($query) use ($permission, $projectSlug) {
+                    $query->whereIn('name', $permission);
+
+                    $query->whereHas('project', function ($query) use ($projectSlug) {
+                        $query->where('slug', $projectSlug);
+                    });
+                });
+            })->orWhereHas('roles', function ($query) use ($permission, $projectSlug) {
+                $query->whereHas('permissions', function ($query) use ($permission, $projectSlug) {
+                    $query->whereIn('name', $permission);
+
+                    $query->whereHas('project', function ($query) use ($projectSlug) {
+                        $query->where('slug', $projectSlug);
+                    });
+                });
+            })->orWhereHas('permissions', function ($query) use ($permission, $projectSlug) {
+                $query->whereIn('name', $permission);
+
+                $query->whereHas('project', function ($query) use ($projectSlug) {
+                    $query->where('slug', $projectSlug);
+                });
+            });
+        })->first('uuid');
+        return $user ? $user->uuid : null;
+    }
+}
diff --git a/src/Resources/Users.php b/src/Resources/Users.php
new file mode 100644
index 0000000..b3da720
--- /dev/null
+++ b/src/Resources/Users.php
@@ -0,0 +1,31 @@
+<?php
+
+namespace Bildvitta\IssSupernova\Resources;
+
+use Bildvitta\IssSupernova\IssSupernova;
+
+class Users
+{
+    private IssSupernova $issSupernova;
+
+    public function __construct(IssSupernova $issSupernova)
+    {
+        $this->issSupernova = $issSupernova;
+    }
+
+    public function create($data)
+    {
+        return $this->issSupernova->request->post(
+            '/users',
+            $data
+        )->throw()->object();
+    }
+
+    public function update($data)
+    {
+        return $this->issSupernova->request->put(
+            '/users',
+            $data
+        )->throw()->object();
+    }
+}