A Complaint Management System (CMS) is a crucial component of an organization's quality management system, ensuring effective handling of customer complaints and resolving them in a timely and efficient manner. An ISO 10002 certification for Complaints Management System demonstrates an organization's commitment to customer satisfaction and continuous improvement. The certification provides a framework to establish, implement, maintain and improve complaint management process within an organization. ISO certification also enhances the organization's reputation by demonstrating a customer-focused approach and improving customer loyalty.