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How long does ISO 9001 take?

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  1. Average lead time
  2. Phase 1 and phase 2

Average lead time

Most SMEs are ready for the certification audit in three to six months. Factors affecting lead time:

Starting point

Do you already work in a structured way? Then it goes faster.

Available time

Someone has to lead the project.

Complexity

More processes, locations or employees = more work.

Timeline

Gap analysis 1-2 weeks

Building a system 2-4 months

Implementation 1-2 months

Internal audit 2-4 weeks

Management review 1 day

Certification audit 1-3 days

Total 4 to 7,5 months

Phase 1 and phase 2

The certification audit consists of two phases:

Phase 1

Documentation review

Duration
Half to full day
What's happening
Auditor reviews your documentation and assesses whether you are ready for phase 2

Phase 2

On-site audit

Duration
One to three days
What's happening
Auditor checks whether you do in practice what you have recorded

There is usually two to four weeks between phase 1 and phase 2, so that you can resolve any shortcomings.

Questions about ISO 9001

What does ISO 9001 certification cost?

For an SME (up to 25 employees), ISO 9001 certification costs €3,000 to €7,000 in the first year. After that you pay €1,500 to €2,500 a year for surveillance audits.

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How long does ISO 9001 certification take?

On average three to six months if you already work in a structured way. If you start from scratch, count on six to twelve months. The audit itself takes one to three days.

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How do you get an ISO 9001 certificate?

First you build a quality management system that meets the standard. Then you engage a certification body that carries out an audit. With a positive result you receive the certificate.

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Is ISO 9001 certification mandatory?

No, ISO 9001 is voluntary. But some clients or sectors do require it. In construction, healthcare and government contracts it is often a condition for taking part in a tender.

Is there a new version of ISO 9001?

Yes, ISO 9001:2026 is planned for September 2026. The new version puts more emphasis on sustainability, digitalisation and quality culture. After publication you get about three years to transition.

Can I arrange ISO 9001 certification myself?

Yes, you can. Many SMEs build their quality system themselves. This saves consultancy costs (€2,000-8,000), but it takes more time. The certification audit must always be carried out by an external certification body.

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