What’s the difference between ISO 9000 and 9001?
ISO 9000 is often used to refer to the set of ISO Quality Management System documents. ISO 9001 is the document that contains the requirements for the Quality Management System. You will register to ISO 9001. ISO 9000 is a guidance document on the fundamentals and vocabulary for quality management systems. ISO 9002 and ISO 9003 are no longer in use. All companies register to ISO 9001.