ISO 9000 - Quality management

The ISO 9000 family addresses various aspects of quality management and contains some of ISO’s best known standards. The standards provide guidance and tools for companies and organizations who want to ensure that their products and services consistently meet customer’s requirements, and that quality is consistently improved.
Standards in the ISO 9000 family include:

• ISO 9001:2015 - sets out the requirements of a quality management system
• ISO 9000:2015 - covers the basic concepts and language
• ISO 9004:2009 - focuses on how to make a quality management system more efficient and effective
• ISO 19011:2011 - sets out guidance on internal and external audits of quality management systems. 
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  ISO 9001:2015

  ISO 9001:2015 sets out the criteria for a quality management system and is the only standard in the family that can be certified to (although this is not a requirement). 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.