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What is ISO 45001:2018 Self Declaration?

ISO 45001:2018 standard states that an organization that wishes to demonstrate conformity can do so by self-declaration. This standard contains requirements that can be used by an organization to implement an OH&S management system and to assess conformity. An organization that wishes to demonstrate conformity to ISO 45001 can do so using 1 of 4 options:

  • 1. Make a self-determination and self-declaration
  •  2. Seek confirmation of its conformance by parties having an interest in the organization, such as customers
  • 3. Seek confirmation of its self-declaration by a party external to the organization
    • ISO/IEC 17050 Supplier Declaration of Conformity: ISO/IEC 17050-1:2004 and ISO/IEC 17050-2:2004 give additional significance to a supplier’s declaration of conformity. 

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  • 4. Seek certification/registration of its occupational health and safety management system by an external organization. You can learn more about how to select a registrar.

Option Clarifications

  • Option 1 is oftentimes referred to as “self-certify or “self-certification”. This is not accurate and is not accepted under ISO terms and definitions. This can be confusing to the marketplace and therefore it needs to be called either self-determination or self-declaration.
  • Option 2 is often called a customer or 2nd party audit- this is acceptable.
  • Option 3 is an independent third-party process by an organization based upon an engagement activity and delivered by specially trained practitioners.
  • Option 4 is becoming certified by an independent third-party. This has become widely used by all types of organizations.

ISO does not control conformity assessment. Its mandate is to develop and maintain standards. ISO has a neutral policy on conformity assessment. Each one of the 4 options serves different market needs. As an organization, it is important to carefully understand what works best for you and what serves your market needs.

Self-declaration is an option unique to this standard, and thus organizations can simply use ISO 45001 as a guideline. Although entities can self declare conformance to ISO 45001, this only means that they conform to a prescribed system, not to prescribed safety regulations.

ISO 45001 Certification has many advantages and we recommend that companies become certified through third-party certification bodies (CB’s, or Registrars). 

This is a business decision. But there are several markets, financial and trade advantages realized with certification. It may change the opinions of customers, insurers, and non-certification may limit trade.

Keep in mind that ISO 45001 does not replace existing occupational health and safety regulation but certified companies are typically more quickly alerted to these issues.



Our All-in-One Certification Package is a proven, efficient system. It gives you all you need to prepare for registration – in one simple to use package.

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"I have just passed my Audit with zero non-conformances for the second year in a row using your ISO products. Thank you for producing documents of this quality"

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United Plating, Inc

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