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ISO 9001 guide

ISO 9001 checklist: every requirement in the order you will meet it, with the evidence auditors ask for

Clause by clause: ISO 9001:2026 requirements: every clause explained →

This 60-item checklist takes every ISO 9001:2026 requirement from context to improvement in the order a project meets it, with the evidence a certification auditor usually asks for and double weight on the six areas where Stage 2 audits most often raise nonconformities.

  • Updated September 2026
  • 15-minute read
  • Part of the ISO 9001 hub

Key points

  • Sixty checks take you through clauses 4 to 10 of ISO 9001:2026, each with the evidence a certification auditor usually asks to see. The clause order is close to the order an implementation project meets them.
  • Tick an item only when its evidence exists and reflects real work. A procedure that is approved but not yet followed is still an open item.
  • Fifteen items carry double weight. They sit in the six areas where, in Sterling's experience, Stage 2 audits most often raise nonconformities: management review, internal audit, corrective action, control of externally provided processes, monitoring and measurement, and competence records.
  • The checklist is a working tool, not a gap analysis and not an audit. An independent, accredited certification body decides on certification; Sterling does not certify.

How to use this checklist

Start at clause 4 and work down to clause 10. The clauses follow the arc of a real project: understand the organisation and fix the boundary, commit leadership and plan, provide support, control the work, then prove through evaluation and improvement that the system does what it claims. Inside each clause the items appear in the order you usually reach them, which does not always match the sub-clause numbering.

Two things start early, whatever their clause number. Document control belongs to clause 7 but is needed from the first procedure you write. The nonconformity and corrective action route belongs to clause 10 but should be open before the operating period begins, because the problems handled during that period are the evidence the auditor samples.

Tick an item when the evidence under it exists and describes how work is actually done. The evidence lines show what auditors typically request; they may choose other records, and they will interview the people who do the work. If an item genuinely cannot apply, such as design and development in an organisation that designs nothing, tick it once the reasoning is recorded with your scope, and expect the certification body to test that reasoning.

Items tagged as a common Stage 2 finding count double in the progress score, which measures preparation, not the audit outcome. Your ticks stay in this browser on this device: print or save a PDF to share progress, and reset the page to start again.

What this checklist is not

A long list of ticks can look like readiness. This page is none of the following.

  • Not the readiness check. Sterling's free online readiness check is a short self-assessment of where you stand before a project begins. This list is the working inventory you complete during the project.
  • Not a gap analysis. The gap analysis, the first stage of a Sterling engagement, examines documents, practice, records and people against each requirement and returns a prioritised action plan. A tick cannot show whether practice matches the document; interviews and sampling can.
  • Not the Stage 1 readiness review. That is the certification body's own check, under its accreditation rules, that you are ready for the certification audit.
  • Not the standard. Each item summarises a requirement in plain language. The text of ISO 9001:2026, available from ISO and national standards bodies, remains the reference.

ISO 9001 gap analysis: what it covers and what you get

ISO 9001 requirements explained, clause by clause

Clause 4: Context of the organisation

This is where the project starts as well: agree what shapes quality here, who has a stake in it and where the system's boundary runs, before anyone writes a procedure.

Clause 5: Leadership

Leadership items describe what top management does and can explain, so tick them with top management in the room rather than on its behalf.

Clause 6: Planning

Planning turns the context work into decisions. The 2026 edition separates actions on risks from actions on opportunities and strengthens the planning of changes, so check these items even if your system is already certified.

Clause 7: Support

Support covers what the system runs on. Start document control in the first weeks, because every document the project writes needs it; competence records are among the first things an auditor samples.

Clause 8: Operation

Clause 8 follows the work from enquiry to delivery and after, and so does this list. It is where Stage 2 auditors trace real jobs end to end, so each item needs records from actual work, not examples prepared for the audit.

Clause 9: Performance evaluation

Clause 9 comes last in the project because it needs a system that has been running: measures with results, audits of real work and a review that decides things. Most of its items carry double weight, and the internal audit and management review guides explain how to run each.

ISO 9001 internal audit: planning, conduct and reporting

ISO 9001 management review: inputs, outputs and the record

Clause 10: Improvement

Open the nonconformity and corrective action route in the first weeks: complaints, supplier failures and audit findings raised while the system runs are exactly what the auditor asks to see handled. Continual improvement opens clause 10 in the 2026 edition; it comes last here because it draws on everything above.

What must be in place for Stage 1, and working by Stage 2

The certification body tests the same ground twice, at different depths. Stage 1 asks whether the system is designed, documented and ready; the accreditation rules certification bodies work under also have it confirm that internal audits and management reviews are planned and being performed. Stage 2 asks whether the system works, through records, interviews and real jobs traced from start to finish. The table sets the target for each clause at each point.

ClauseReady for Stage 1 (readiness review)Working by Stage 2 (certification audit)
4 Context of the organisationScope written; issues, interested parties and processes mappedScope matches the sites and activities the auditor visits; the analysis has been reviewed
5 LeadershipPolicy approved and communicated; roles assignedTop managers explain policy, objectives and results in interview
6 PlanningRisks, opportunities and objectives recorded with owners and plansActions under way, objectives measured, changes planned and reviewed
7 SupportCompetence defined; documents approved and controlledCompetence records for the people sampled; current documents where work happens
8 OperationProcesses planned; external providers listed with their controlsRecords from real jobs: order reviews, supplier evaluations, releases, nonconforming outputs
9 Performance evaluationMeasures defined; internal audits and management review planned and under wayResults analysed; a full audit cycle and a management review completed, with decisions
10 ImprovementNonconformity and corrective action route in useCauses found and corrective actions checked for effect

If a clause does not yet meet the Stage 2 column, move the audit date rather than hoping the auditor's sample misses the gap. What auditors do on each day, and the mistakes that most often cost organisations their first attempt, have guides of their own.

ISO 9001 Stage 1 and Stage 2 audits: what auditors check

ISO 9001 common mistakes: the ten that fail audits

How Sterling works through the checklist with you

Every item backed by evidence from real work before the certification body arrives.

Sterling's expert and experienced consultants begin with a gap analysis that covers every requirement on this list, agree an owner and a date for each open item, and implement with your process owners so that each tick reflects work that is really happening. Records sit in Effivity, included with the engagement at no additional cost, from the first workshop, and the internal audit and management review are completed with you before Stage 1. We ensure successful certification for our clients. The certificate is issued by the independent, accredited certification body you choose; Sterling does not certify.

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ISO 9001 checklist: questions buyers ask

Must every item be ticked before the certification audit?

Every item that applies should be ticked, with evidence, before Stage 2. Stage 1 asks for less, as the table above shows. An item ticked on thin evidence tends to reappear as a nonconformity, so a genuine open item is worth more than an optimistic tick.

Does every item need a written procedure?

No. ISO 9001 requires only a limited set of documented information, and many items are demonstrated by records, by observation or by what people say in interview. Write a procedure where it makes the work more reliable or easier to learn; the documentation guide sets out what is mandatory and what is your choice.

Who should work through the checklist?

The project coordinator, sitting with each process owner for their items and with top management for leadership and management review. One person ticking the whole list alone produces a list of intentions; the value is in the conversation about evidence.

Does the checklist follow ISO 9001:2015 or ISO 9001:2026?

ISO 9001:2026, which keeps the seven clause titles of the 2015 edition. Items that reflect the new edition include quality culture and ethical behaviour, separate actions for risks and for opportunities, and stronger planning of changes. The climate change question comes from a 2024 amendment that the 2026 edition incorporates.

How long does it take to tick every item?

About as long as the implementation, which for ISO 9001 typically runs three to six months. Much of that time is the system running long enough to leave records, rather than the writing of documents. The timeline guide explains each stage and what moves it.

Where are our ticks saved, and can we share them?

Only in this browser on this device; nothing is sent to Sterling. Print or save a PDF to keep or circulate a dated copy, and use Reset to clear the page. During a Sterling engagement the evidence itself lives in Effivity, so the whole team works from one set of records.

ISO 9001 implementation

ISO 9001 requirements

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