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How Much Do Surveillance Audits Cost?
ISO Certification isn’t a one-off event.
A UKAS requirement is the three-year re-assessment cycle. You’ll have annual surveillance audits (years 1 & 2) and a recertification audit in year 3. Budgeting for this keeps the total cost honest.
What a surveillance audit is (and isn’t)
- It’s a lighter annual external audit that ensures you have fixed any previous findings; your management system remains effective and improvements are being made. It samples key activities rather than reassessing the entire system.
- It usually happens once a year (sometimes twice) until recertification, though schedules can vary slightly by provider, and should your operations evolve any change scope.
Typical surveillance costs
- Some certification bodies publish annual surveillance audit fee examples by employee bands (e.g., small organisations with one site often see annual surveillance in the hundreds to low thousands depending on day rates and scope).
- Other providers show audit cost tables by turnover bands and standard, again reflecting a scaling audit effort.
- Expect costs to include audit day rate, potential travel/expenses, and any technical review/certificate decision fee stated in the provider’s schedule.
Rule of thumb: surveillance effort is lower than initial certification (Stage 1 / Stage 2 combined), but still driven by your staff levels, number of sites, any changes and sometimes prior findings.
How to keep surveillance costs down (without risking your certificate)
- Integrate standards to avoid duplicate surveillance visits.
- Close externally raised audit actions promptly. It’s often difficult to remember the nuances of a particular issue a year later!
- Keep scope stable (or plan changes to coincide with a reassessment (when scope changes are free)).