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ISO & Risk15 February 2026 5 min read

What an ISO 45001 Gap Assessment Actually Involves

Before you pursue certification, you need an honest map of where you stand. A walkthrough of a rigorous, audit-ready gap assessment.

By the Industrial Hygiene HUB technical team

A gap assessment is the diagnostic step before any serious ISO 45001 implementation. Done well, it gives leadership a clear, evidence-based view of how the current occupational health and safety management system measures against the standard — and a prioritised path to close the gaps.

What a Lead Auditor looks for

  • Context of the organisation and interested-party needs (Clause 4)
  • Leadership, worker participation and consultation (Clause 5)
  • Hazard identification, risk and opportunity processes (Clause 6)
  • Operational controls and management of change (Clause 8)
  • Performance evaluation, internal audit and management review (Clause 9)
  • Incident investigation and continual improvement (Clause 10)

From findings to roadmap

The deliverable is not a checklist score. It is a gap register that rates each finding by significance and effort, a documented evidence trail, and a realistic implementation roadmap. Because our assessments are led by a certified ISO Lead Auditor, the findings align with how a certification body will actually audit you — no surprises at stage 2.

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