ISO 9001:2015 sets out the criteria for a quality management system. It can be used by any organization, large or small, regardless of its field of activity. In fact, there are over one million companies and organizations in over 170 countries certified to ISO 9001.

This standard is based on a number of quality management principles including a strong customer focus, the motivation and implication of top management, the process approach and continual improvement.

ISO has a range of standards for quality management systems that are based on ISO 9001 and adapted to specific sectors and industries.