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ISO 9001 · Clause 10.3

ISO 9001 Clause 10.3: Continual Improvement

Continual improvement: what the clause requires, the evidence an auditor looks for, where companies get it wrong and how to comply.

What the clause requires

Clause 10.3 requires the organization to continually improve the suitability, the adequacy and the effectiveness of the quality management system. A suitable system is one that fits the purpose and the context of the organization; an adequate system is one that covers everything it needs to cover; an effective system is one that achieves the planned results. Those three words are not decoration, they are three different questions an auditor can ask separately.

To do this, the organization considers the results of analysis and evaluation from 9.1.3 and the outputs from the management review in 9.3, and determines whether there are needs or opportunities that have to be addressed as part of continual improvement. In other words, continual improvement is fed by data and by the decisions of top management, not by isolated initiatives launched by whoever happens to be enthusiastic that quarter. That link is also what makes the clause auditable: the auditor can start from a management review output and follow it through to a change that was actually made in the system.

How is it evidenced? Through the way the system evolves over time: indicators that improve, targets that become more demanding once they are comfortably met, processes that get simpler, complaints that fall, audit findings that drop in severity and in number. The auditor compares the system as it is today with the system as it was one or two years ago and looks for the difference, which is why a stable record over three years with no change at all is so difficult to defend.

What changes in ISO 9001:2026

In ISO 9001:2026 the role of top management in leading continual improvement becomes more explicit. See everything that changed in the revision.

What the auditor asks to see

Where companies most often get it wrong

Example of a nonconformity

Illustrative example, in the requirement, evidence and statement format
Requirement
ISO 9001, 10.3: consider the outputs from management review to determine the needs and opportunities to be addressed as part of continual improvement.
Evidence
The management reviews of 2024, 2025 and 2026 repeat the same targets and record the instruction to keep the system as it is; meanwhile the on-time delivery and complaints indicators worsened across all three years.
Finding
There is no evidence of continual improvement of the effectiveness of the system.

How to comply using PrismaBiz

Ready-made templates for this clause

Frequently asked questions

Does every indicator have to improve all the time?

No. The system as a whole has to evolve. An indicator that is stable and comfortably inside its target can be acceptable if the organization decided to concentrate its effort somewhere else.

How do I prove continual improvement to the auditor?

With history: a comparison of indicators, targets and audit results between periods, together with management review decisions that were actually implemented.

Does continual improvement require a methodology such as lean or six sigma?

No. Any method is acceptable, and so is no formal method at all, as long as there is evidence that the system has improved.

Related clauses

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