ISO/IEC 20000 standards the world’s first international standard for IT service management. They represent the basis of the widely accepted rules of IT service management flow.
ISO/IEC 20000 standards define a series of comprehensive and closely related service management flows. ISO/IEC 20000-1 defines a service provider that delivers managed services to clients and meets the basic acceptable quality requirements.
ISO/IEC 20000 standards are for management flow system. Their certification applies to IT service providers that can be external service providers or internal IT departments.
ISO/IEC 20000 standards sum up the best practices of related flows. They apply to organizations of different sizes, types and structures and their requirements for the best practices of service management flows remain unchanged for different organization forms.