ISO 45001
International standard for occupational health and safety management
ISO 20000
International standard for service management systems
Quick Verdict
ISO 45001 provides occupational health & safety management for all industries, preventing injuries via risk controls and worker participation. ISO 20000 establishes IT service management systems for reliable delivery. Companies adopt them for compliance, risk reduction, and certification-driven trust.
ISO 45001
ISO 45001:2018 Occupational Health and Safety Management Systems
Key Features
- Annex SL high-level structure for IMS integration
- Top management leadership and accountability requirements
- Mandatory worker consultation and participation
- Hierarchy of controls prioritizing hazard elimination
- Proactive risks and opportunities management approach
ISO 20000
ISO/IEC 20000-1:2018 Service management system requirements
Key Features
- Annex SL structure enables integrated management systems
- Full service lifecycle processes in Clause 8
- Leadership commitment and risk-based planning required
- PDCA for performance evaluation and improvement
- Certifiable SMS for service provider assurance
Detailed Analysis
A comprehensive look at the specific requirements, scope, and impact of each standard.
ISO 45001 Details
What It Is
ISO 45001:2018 is the international standard for Occupational Health and Safety Management Systems (OHSMS). It provides a framework to prevent work-related injuries and ill health, improve OH&S performance, and integrate safety into business processes. Built on the Annex SL High-Level Structure (HLS) and PDCA cycle, it emphasizes risk-based thinking.
Key Components
- Clauses 4-10 covering context, leadership, planning, support, operation, evaluation, and improvement.
- Core elements: worker participation, hierarchy of controls, change management, contractor controls.
- No fixed controls; scalable requirements with documented information.
- Optional third-party certification via audits.
Why Organizations Use It
- Reduces incidents, legal risks, and costs; enhances resilience and insurance savings.
- Builds stakeholder trust, talent retention, and market competitiveness.
- Aligns with ISO 9001/14001 for integrated systems; voluntary but often contractually required.
Implementation Overview
- Phased approach: gap analysis, policy/objectives, controls, audits, certification.
- Applicable to all sizes/sectors; 6-12 months typical.
- Involves leadership commitment, training, and continual improvement.
ISO 20000 Details
What It Is
ISO/IEC 20000-1:2018 is the principal international certification standard for service management systems (SMS). It defines auditable requirements to plan, establish, implement, operate, monitor, review, maintain, and improve services across their lifecycle, professionalizing IT service management (ITSM) and beyond. Adopting Annex SL high-level structure and PDCA methodology, it emphasizes risk-based thinking and flexibility with frameworks like ITIL.
Key Components
- Clauses 4–10 cover context, leadership, planning, support, operation, performance evaluation, improvement.
- Clause 8 organizes operations: service portfolio, relationships/agreements, supply/demand, design/transition, resolution/fulfilment, assurance.
- Core processes include incident/problem management, change/release, configuration/asset, availability/continuity, security.
- Certifiable via accredited audits (Stage 1/2, surveillance).
Why Organizations Use It
- Builds trust, differentiates in markets, reduces risks (e.g., outages, suppliers).
- Enables integration with ISO 9001, ISO 27001; supports contracts, regulations indirectly.
- Delivers efficiency, SLA compliance, continual improvement benefits (e.g., 50% certificate growth).
Implementation Overview
- Phased: gap analysis, SMS design, process deployment, audits, certification.
- Applies to all sizes/industries; 12-18 months typical with training, tooling.
- Requires leadership commitment, evidence-based audits.
Key Differences
| Aspect | ISO 45001 | ISO 20000 |
|---|---|---|
| Scope | Occupational health & safety management | IT service management systems |
| Industry | All sectors, high-risk industries emphasized | IT services, all service providers |
| Nature | Voluntary certification standard | Voluntary certification standard |
| Testing | Internal audits, management reviews | Internal audits, service reporting |
| Penalties | Loss of certification, no legal penalties | Loss of certification, no legal penalties |
Scope
Industry
Nature
Testing
Penalties
Frequently Asked Questions
Common questions about ISO 45001 and ISO 20000
ISO 45001 FAQ
ISO 20000 FAQ
You Might also be Interested in These Articles...
Your Guide to Implementing PCI DSS in Your Organization
Step-by-step guide to implementing PCI DSS in your organization. Achieve compliance, protect cardholder data, and reduce risks. Start securing payments today!
Top 5 Reasons TISAX Tabletop Exercises Prevent €10M+ Supply Chain Breaches for ADAS Tier 1 Suppliers in 2025
Unlock top 5 reasons TISAX tabletop exercises deliver 4:1 ROI preventing €10M+ supply chain breaches for ADAS Tier 1 suppliers. ENX case studies & VDA ISA contr
Top 5 Reasons NIST SP 800-53 Rev 5 Overlays Unlock AI Risk Management for Private Sector Enterprises in 2025
Top 5 reasons NIST SP 800-53 Rev 5 AI overlays unlock risk management for private enterprises. Tailorable controls combat model poisoning & data leakage. CISO i
Run Maturity Assessments with GRADUM
Transform your compliance journey with our AI-powered assessment platform
Assess your organization's maturity across multiple standards and regulations including ISO 27001, DORA, NIS2, NIST, GDPR, and hundreds more. Get actionable insights and track your progress with collaborative, AI-powered evaluations.
Check out these other Gradum.io Standards Comparison Pages
ISO 37001 vs EU AI Act
Explore ISO 37001 vs EU AI Act: anti-bribery mgmt vs AI governance. Uncover risk strategies, compliance tools & ethical frameworks for global ops. Dive in!
APPI vs ISO 27018
APPI vs ISO 27018: Japan's strict data law vs cloud PII privacy code. Compare scopes, controls, gaps & strategies for compliance in Japan & global ops. Secure your edge now!
ISO 27032 vs PIPEDA
Compare ISO 27032 cybersecurity guidelines vs PIPEDA privacy law: differences, synergies & implementation for resilient compliance. Align standards today!