An internal audit is not an exam to pass. It is a chance to find gaps before the certification body does. Still, a little preparation makes the audit faster and far more useful.
One week before
- Confirm the scope and timing with the auditor: which process, which clauses, which shifts or sites.
- Re-read your own process documents. Do they still match how work is done? If not, note the differences honestly.
- Check open actions from the last audit and management review. Close what you can, and be ready to explain the status of the rest.
Gather the evidence
Auditors look for objective evidence that the process is planned, followed and effective. Have these easy to find:
- Current procedures, work instructions and forms
- Records for the last few months (inspections, approvals, logs)
- Process objectives or KPIs and how they are trending
- Training and competence records for the people involved
- Customer complaints or nonconformities related to the process
Brief your team
Tell the people in the process that an audit is coming and what it is for. Encourage them to:
- Answer honestly and describe what they actually do
- Show records rather than explain from memory
- Say "I don't know, but I can find out" when unsure
On the day
- Be available at the agreed time
- Let the auditor see real work, not a rehearsed demonstration
- Take notes on any findings so you understand them clearly
After the audit
Treat findings as improvement opportunities. For each nonconformity, find the root cause, plan a corrective action with an owner and date, and check later that it worked. That cycle is exactly what certification auditors want to see.