diff --git a/includes/class-partnerexpo-core-user-fields.php b/includes/class-partnerexpo-core-user-fields.php
index 5aa2dac..3a9ab84 100644
--- a/includes/class-partnerexpo-core-user-fields.php
+++ b/includes/class-partnerexpo-core-user-fields.php
@@ -59,4 +59,21 @@ class Partnerexpo_Core_User_Fields extends Partnerexpo_Core {
             update_user_meta( $user_id, 'company', sanitize_text_field( $_POST[ 'company' ] ?? '' ) );
         }
     }
+
+    function registration_form() {
+        ?>
+        <p>
+            <label for="company"><?php _e( 'Cég neve', 'partnerexpo-core' ) ?><br />
+            <input type="text" name="company" id="company" class="input" value="" size="25" /></label>
+        </p>
+        <?php
+    }
+
+    function registration_errors( $errors, $sanitized_user_login, $user_email ) {
+        if ( empty( $_POST['company'] ) || ! empty( $_POST['company'] ) && trim( $_POST['company'] ) == '' ) {
+            $errors->add( 'company_error', sprintf('<strong>%s</strong>: %s',__( 'Error', 'partnerexpo-core' ),__( 'Cég megadása kötelező!', 'partnerexpo-core' ) ) );  
+        }
+
+        return $errors;
+    }
 }