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Switching certification body for ISO 45001

A new certification body can review your certificate, audit reports and findings and continue the audit cycle.

On this page
  1. Why companies switch
  2. The international rules: IAF MD 2
  3. How the switch works
  4. When does switching make sense for you?
  5. Choosing an ISO 45001 certification body

Why companies switch

Let's be honest: most companies don't actively think about their certification body. You once made a choice, and since then the contract has been automatically extended. But is that smart?

Research shows that companies switch for various reasons:

  • The audit yields too little. You get a certificate, but no real insights that will help your company further.
  • The auditor lacks industry knowledge. A generic approach does not work if your sector has specific challenges.
  • The service is inadequate. Poor accessibility, inflexible planning, slow communication.
  • The price is no longer correct. Rates have risen, or you have discovered that it can be cheaper elsewhere.
  • You want to consolidate. Multiple certificates from different parties is inconvenient.

Internationally, it is even common to change certification bodies every five to ten years. Not out of dissatisfaction, but because a fresh look reveals new areas for improvement. This prevents tunnel vision.

The success of an audit depends on the auditor. Certification remains a human job. If the click is not there, you can be critical of it.

The international rules: IAF MD 2

You may be thinking: "But can I just switch? And what will happen to my certificate?"

Good questions. And the answer is reassuring.

Switching certification bodies is regulated in an international document: IAF MD 2. These are the rules that all accredited certification bodies must adhere to. The most important points at a glance:

Your certificate remains valid

No interruption during or after the transfer. Your new certification body will take over the certification within your existing cycle.

Your old CI should not be a hindrance

They are not allowed to revoke your certificate because you switch. Cooperation with the transfer is mandatory.

Your audit cycle continues

No extra audits, no duplication of work. The new certification body builds on your existing audit history.

Available at any time

You don't have to wait for your certificate to expire. Please note the notice period of your current contract (usually 4-8 weeks).

How the switch works

The practice is less complicated than you might expect. This is what happens:

The pre-transfer review

Your new certification body first looks at your file. They check your latest audit reports, any outstanding deviations and complaint history. This is called the "pre-transfer review" and is not an audit, but an administrative check.

At most companies this is a formality that can be arranged within a few days. You give permission for your current certification body to share the information, and the new party to assess whether everything is in order.

What you need

For a smooth transition, collect these documents:

  • Copy of your current certificate (with expiration date)
  • Audit reports from the last three years
  • Status of any outstanding deviations
  • Overview of complaints and how they were handled

That's it. Your new certification body will take care of the rest.

The timeline

On average, the switching process takes two to four weeks from the moment you choose a new certification body. This depends on the availability of the new auditor and how quickly the documentation is transferred.

When does switching make sense for you?

Not everyone has to switch. But it is smart to regularly evaluate whether your current situation is still suitable. Ask yourself these questions:

  • Does the audit provide you with anything? Do you gain useful insights, or does it feel like an obligatory number?
  • Does your auditor understand your industry? Or do you have to explain how your sector works every year?
  • What is the service like? Are you satisfied with the communication, planning and accessibility?
  • Is the price still correct? Have you compared with other providers in recent years?
  • Does the approach suit your company? Some certification bodies are formal and process-oriented, others personal and pragmatic.

If you answer "no" or "don't know" to several questions, it might be time to compare.

Choosing an ISO 45001 certification body

There are more than fifteen certification bodies active in the Netherlands for ISO 45001. They differ in price, approach and specialisation.

Five criteria to pay attention to

Accreditation

Non-accredited certificates are often not recognised

Industry experience

An auditor who knows your industry adds more value

Price

Differences of 20-40% are normal

Service

Permanent contact person? Quick responses?

Working relationship with the auditor

You will work together for at least three years

What is accreditation?

Accreditation bodies audit certification bodies. They check whether auditors are qualified, whether the certification body works independently and whether the ISO rules are applied correctly.

In the Netherlands, that is the national body. But certification bodies with UKAS accreditation (UK) or DAkkS accreditation (Germany) are equally valid. All national bodies recognise each other's certificates through the IAF (International Accreditation Forum).

Questions to ask

Before you choose, ask potential certification bodies these questions:

  • Are you accredited for ISO 45001? At which agency?
  • What is your experience in my sector?
  • Who will be my auditor? Can I speak to that person in advance?
  • What is the lead time from quotation to certificate?
  • What are the total costs for three years?
  • How do you deal with deviations during the audit?

The right choice is not necessarily the cheapest. An auditor who understands your sector and provides constructive feedback is more valuable than saving a few hundred euros.

Ready to compare? View our overview of certification bodies in the Netherlands and find one that fits your company.

Compare certification bodies →

Questions about ISO 45001

What is ISO 45001 certification?

ISO 45001 is the international standard for occupational health and safety management systems. A certificate shows that your company has organised healthy and safe working systematically. The standard helps prevent accidents, absenteeism and occupational diseases.

Read the full answer
How much does ISO 45001 certification cost?

For SMEs, the certification audit costs from €1,400 a year. With consultancy costs for implementation you arrive at €2,900 to €3,900 in the first year. After that you pay yearly for surveillance audits. The exact price depends on company size and complexity.

Read the full answer
How long does ISO 45001 certification take?

On average three to six months. The management system must have been operational for at least three months before certification is possible. The audit itself takes one to two days, depending on your company size.

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Is ISO 45001 mandatory?

No, ISO 45001 is voluntary. A risk inventory and evaluation (RI&E) is mandatory under the Dutch Working Conditions Act, and ISO 45001 helps you meet that obligation systematically. Commercially, clients in construction, industry and petrochemicals often ask for it.

Who may certify ISO 45001?

Only accredited certification bodies may issue ISO 45001 certificates. Accreditation can be from the Dutch accreditation body, UKAS (UK), DAkkS (Germany) or other IAF members. Through the IAF agreement all these certificates are recognised internationally.

Can I combine ISO 45001 with other standards?

Yes, ISO 45001 shares the same structure (High Level Structure) with ISO 9001 (quality), ISO 14001 (environment) and ISO 27001 (information security). This makes integrated audits possible, which saves time and costs.

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