Major Difference Between OHSAS 18001 and ISO 45001

OHSAS 18001

OHSAS 18001: Occupational Health and Safety Assessment Series, published by the British Standards Institute. (BSI) – OHSAS 18001 specification gives requirements for an OHSMS – Designed to be applicable to all types and sizes of companies, diverse geographical, cultural and social conditions. It is not an ISO standard, but integrates well with ISO 9001 (quality) and ISO 14001 (environment), and applies to any organization. OHSAS 18001 does not state specific occupational health and safety (OH&S) performance criteria. It sets a baseline and implements continuous improvement.

ISO 45001

ISO 45001 is the International Standard for Occupational Health and safety management systems sometimes referred to as OHSMS. ISO 45001 is the first international standard for occupational health and safety and provides a framework to enable organizations to effectively manage occupational health and safety. The objective is to provide a safe and healthy workplace for workers and persons under an organization's control and to continue improving those standards. ISO 45001 is set to drastically improve levels of workplace safety.

Difference between OHSAS 18001 and ISO 45001

ISO 45001	OHSAS 18001
Process-based	Procedure based
Dynamic in all clauses	Not dynamic in all clauses
considers both risk and opportunities	Deals exclusively with risk
Includes the views of interested parties	Does not includes the views of interested parties

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