ISO 20000 defines the requirements for a service management system through an integrated set of processes meant to support the efficient provision of IT services.
Although this is not a specific requirement, the use of ITIL recommendations is helpful in obtaining conformity to ISO/IEC 20000-1. This certification scheme is owned by the APM Group Ltd.
Certification to ISO/IEC 20000-1 provides the opportunity for the organization to demonstrate customer focus. The standard can be implemented and certified as a stand alone or it can be integrated with other management system standards like ISO/IEC 27001 (information security management system) or ISO 9001 (quality management system).