ISO 9001:2015 Clause 10 is the last clause of 10 clauses. It tells about improvement of processes, products or services.
Continual improvement is one of the major principles of ISO 9001. Clause number 10 describes how you can do continual improvement.
In your processes if you find nonconformities then you should take action to stop recurrence of that. Before take action it tells to find the root cause of the problem. After finding root cause if you take action, then it will be effective.
Clause 10 is devided into three parts:
10.1: GENERAL: This sub clause tells about determining and selecting opportunities for improvement by the organization and implement any necessary actions to meet customer requirements and enhance customer satisfaction.
10.2: Nonconformity and Corrective Action: When any nonconformity or deviation is seen in the processes then the organization will take action to control or correct it. After taking corrective action against that nonconformity this should be evaluated and the effectiveness of that corrective action. This type of non conformities and corrective action plans should be recorded. During the surveillance audit the external auditors will check that records to verify the effectiveness of that CA Plans.
10.3: Continual Improvement: Continual Improvement is at the focus point of ISO 9001 and a key area with which all ISO 9001 Certified organizations shall comply with. This is the way businesses can constantly improve and exist over their competitors. According to the requirements of ISO 9001:2015 the organization to work continually to improve its QMS in terms of its suitability, adequacy and effectiveness.
ISO 9001 Clause 10 shows how you can improve your QMS in your organization. If any organization practices this clause properly then definitely that company will see the better improvement. It will bring more customer satisfaction as well.