ISO/IEC 20000-1:2018 - Information technology - Service management - Part 1: Service management system requirements
ISO/IEC 20000-1:2018 specifies the requirements for a service management system (SMS) and how organisations can establish, implement, maintain and improve an SMS. 
This is an update of the ISO20000-1 (ISO 20000-1) Service Provider Requirements standard.
Who should use this?
The Standard can be used by:
    - Organisations performing conformity assessments against ISO/IEC 20000-1:2018;
 
    - Customers looking for a service and requiring assurance of the quality of the services;
 
    - Organisations that would like to improve the planning, design, transition, delivery and improvement of their services with an SMS;
 
    - Customers requiring a consistent approach to the service lifecycle from all their service providers, including those in a supply chain;
 
    - Organisations that are looking to measure, monitor and review their SMS; 
 
    - Organisations that would like to demonstrate their capability in terms of the planning, design, transition, delivery and improvement of their services; and
 
    - Advice or training providers in service management.