A basic understanding of the revisions and how they are beneficial can make the upgrade simple and cost effective for any company. The upgraded ISO standards demand a much more comprehensive and improved QMS. It is more customer-focused and requires companies seeking ISO certification to achieve, measure and monitor customer satisfaction, as well as improve communication with customers. Moreover, it emphasizes the need to make ongoing improvements and evaluate the effectiveness and suitability of the QMS, and to identify and implement system improvements.