ISO 20000 (IT Service Management Systems)

ISO/IEC 20000-1 is the international standard that specifies requirements for an organization to establish, implement, maintain, and continually improve a Service Management System (SMS). It is the only internationally recognized, certifiable standard for IT service management, providing an objective measure of service quality. The 2018 revision aligned ISO 20000 closely with ISO 9001 and ISO 27001 using the High Level Structure (HLS), enabling integrated management systems. The standard covers the full service management lifecycle: planning and support for the SMS, design and transition of new or changed services, supply and demand management, resolution management, and service assurance. It is widely used by managed service providers, internal IT departments serving regulated industries, and technology outsourcing vendors.

Engineering ISO 20000 compliance requires building formal service management processes with documented inputs, outputs, and performance criteria for each process area. Service Level Agreements must be documented, measured, and reported, with evidence of management review when SLAs are breached. The standard's requirements for incident and problem management are more prescriptive than many organizations' existing practices — particularly the separation of incident resolution (restoring service) from problem management (eliminating root cause), which requires distinct workflows and databases. Change management processes must include impact assessment, rollback planning, and post-implementation review for all significant changes. The capacity and availability management requirements demand forecasting models and capacity plans, not merely reactive monitoring.

ISO 20000 certification audits examine both documentation and operational evidence — auditors will sample incident tickets, change records, and service review meeting minutes to verify that documented processes are actually followed. A common certification failure point is the service catalogue: the standard requires a current, maintained service catalogue that defines each service's components, dependencies, and service levels, and many organizations maintain aspirational catalogues that do not reflect actual service delivery. The supply chain requirements in ISO 20000 also extend to suppliers and sub-contractors, requiring organizations to demonstrate oversight of their managed service providers — a significant scope expansion for organizations with extensive outsourcing arrangements.

We implement ISO 20000 SMS frameworks with process designs that generate certification-grade operational evidence, including automated SLA measurement dashboards, structured incident-to-problem escalation workflows, and service catalogue management tooling. Our certification preparation includes evidence sampling exercises that mirror auditor techniques to identify gaps before the formal assessment.

Compliance-Native Architecture Guide

Design principles and a structured checklist for building software that is compliant by default — not compliant by retrofit. Covers data architecture, access controls, audit trails, and vendor due diligence.