ISO/IEC 20000:2018 is the first international standard for IT service management. IT Service Management with an integrated set of management processes for effective delivery of services to customers. ISO 20000:1-2018 is based on the ITIL (Information Technology Infrastructure Library) framework. ISO 20000 certification prescribes that the organization has adequate controls and procedures in place to consistently deliver a cost-effective and quality IT service.iso 20000 certification