The International Standards Organization (ISO) issued many supporting standards which can be used in conjunction with the ISO 9001 series.

ISO 10000 Series regards customer satisfaction is compatible with ISO 9001 and supports the objectives of this standard through the effective and efficient application of a process to develop and implement a code of conduct related to customer satisfaction.

This International Standard series can also be used independently of ISO 9001 and ISO 9004; it can be used either independently or in conjunction with each other. When used together, they can be part of a broader and integrated framework for enhanced customer satisfaction through codes of conduct, complaints handling and dispute resolution. ISO 10004 complements ISO 10001, ISO 10002 and ISO 10003 by providing guidance on the monitoring and measuring of customer satisfaction. The information gained can guide the organization to take actions which can help to sustain or enhance customer satisfaction.

• ISO 10001:2007 - Customer satisfaction - Guidelines for codes of conduct for organizations
• ISO 10002:2004 - Guidelines for complaints handling in organizations
• ISO 10003:2007 Customer satisfaction - Guidelines for dispute resolution external to organizations
• ISO 10004:2012 Customer satisfaction - Guidelines for monitoring and measuring