ISO 9001 is transformed from the world's first quality management system standard BS 5750 (written by BSI), ISO 9001 is by far the most mature quality framework in the world, and more than 750,000 organizations in 161 countries/regions are Use this framework. ISO 9001 sets the standard not only for the quality management system, but also for the overall management system. It helps organizations of all types achieve success through improved customer satisfaction, increased employee motivation, and continuous improvement.