ISO 45001:2018 is the international standard for a occupational health and safety management system. Organisations implement its requirements, run internal audits and a management review, then pass a two-stage audit by an accredited certification body. The certificate is valid for three years with annual surveillance audits, and helps win tenders and buyer approvals focused on workplace health and safety.
What ISO 45001 requires
- OH&S policy and worker participation
- Hazard identification and risk assessment
- Legal compliance including factory and labour codes
- Incident investigation and corrective action
- Emergency preparedness
Who should get certified
- Factories and construction companies
- Logistics and warehousing
- Companies bidding for large EPC and PSU tenders
Certification steps
- Gap analysis against the standard.
- Documentation and implementation.
- Internal audit and management review.
- Stage 1 audit of readiness.
- Stage 2 audit of implementation.
- Certificate and surveillance audits.
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Get expert help →Practical note
ISO 45001 replaced OHSAS 18001; it emphasises worker consultation and leadership involvement.
Choosing a certification body
Choose a body accredited by an IAF member such as NABCB, since unaccredited certificates are often rejected in tenders.
Frequently asked questions
Is ISO 45001 mandatory?
No, but many tenders and large clients require it.
Does it cover contractors?
Yes, it addresses contractor safety and procurement controls.
How long does ISO 45001 certification take?
Smaller organisations often complete it in one to three months; complex or multi-site organisations take longer.
Can it be combined with other ISO standards?
Yes. Integrated management systems combining ISO 9001, 14001, 45001 and others share common structure and audits.
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