diff --git a/backend/app/plugins/wiaas/includes/admin/class-wiaas-admin-user-profile.php b/backend/app/plugins/wiaas/includes/admin/class-wiaas-admin-user-profile.php
new file mode 100644
index 0000000..a4b6d1a
--- /dev/null
+++ b/backend/app/plugins/wiaas/includes/admin/class-wiaas-admin-user-profile.php
@@ -0,0 +1,32 @@
+<?php
+
+class Wiaas_Admin_Profile {
+
+    public static function init() {
+        add_filter( 'user_contactmethods', array(__CLASS__, 'modify_user_contact_methods') );
+
+        add_action( 'user_profile_update_errors', array(__CLASS__, 'crf_user_profile_update_errors'), 10, 3 );
+
+    }
+
+    function crf_user_profile_update_errors( $errors, $update, $user ) {
+
+        $phone = $_POST['phone'];
+
+        if (!preg_match('/^[\d +]*$/', $phone)){
+            $errors->add('phone_error', __( '<strong>ERROR</strong>: Enter valid phone number.', 'crf' ));
+        };
+
+    }
+
+
+    function modify_user_contact_methods($user_contact){
+        $user_contact['phone'] = __( 'Phone number' );
+
+        return $user_contact;
+    }
+
+
+}
+
+Wiaas_Admin_Profile::init();
\ No newline at end of file
diff --git a/backend/app/plugins/wiaas/includes/class-wiaas-admin.php b/backend/app/plugins/wiaas/includes/class-wiaas-admin.php
index 6d5021e..5c5ef1f 100644
--- a/backend/app/plugins/wiaas/includes/class-wiaas-admin.php
+++ b/backend/app/plugins/wiaas/includes/class-wiaas-admin.php
@@ -28,6 +28,8 @@ class Wiaas_Admin {
 
         require_once dirname(__FILE__) . '/admin/class-wiaas-admin-supplier.php';
 
+        require_once dirname(__FILE__) . '/admin/class-wiaas-admin-user-profile.php';
+
         add_action( 'admin_enqueue_scripts', array(__CLASS__, 'enqueue_scripts'), 100 );
 	}