Stakeholder satisfaction is a key indicator of the effectiveness of a QMS, as it reflects the extent to which the QMS meets the expectations and prioritiesof the customers and other interested parties. A high percentage of stakeholder satisfaction implies that the QMS is delivering consistent and reliable products or services that meet the quality standards and requirements. References ISACA CISA Review Manual, 27th Edition, page 253 The Four Main Components of A Quality Management System The Road to Developing an Effective Quality Management System (QMS)