What is the day rate of an ISO 27001 auditor?

Public rates of accredited bodies run from €925 (a 7-hour day in a Spanish public contract) to about €2,300 (a Swiss list, hourly rate times 8). The TÜV Saar list in Germany charges €1,590. UK accredited bodies charge about £1,250-1,500.

What certification bodies charge per audit day

Accredited bodies charge about €925-2,300 per audit day in the public data, before surcharges. The German TÜV Saar list says €1,590. UK accredited bodies charge about £1,250-1,500, large ones more. A low rate is fine; too few days is the real risk.

Public day rates

Price per audit day in EUR, without VAT. GBP and CHF at ECB reference rates of 2026-10-23.

Spain, public framework contract7-hour audit day€925
UK, bodies without accreditation€955-1,194
France and Germany, published ranges€1,200-1,800
UK, typical accredited rate€1,493-1,792
Germany, TÜV Saar public list€1,590
UK, large accredited body€2,101
Switzerland, SQS public listhourly rate x 8 hours€2,298-2,558

Rates as published

Day rates as published
Where	Type	As published	EUR per day
Public framework contract, Andalusia (Spain), 7-hour audit day	Public contract, 2026	€925 per day	€925
Bodies without UKAS accreditation (United Kingdom), 2026 without accreditation	Published quote or guide, 2026	£800-1,000 per day	€955 -1,194
Published 2026 ranges for France and Germany	Published range, 2026	€1,200-1,800 per day	€1,200 -1,800
Typical UKAS-accredited rate (United Kingdom), 2026	Published quote or guide, 2026	£1,250-1,500 per day	€1,493 -1,792
Public price list, TÜV Saar (Germany), from 2026-03-01	Public price list, 2026	€1,590 per day	€1,590
Quote from a large UKAS-accredited body (United Kingdom), 2025	Published quote or guide, 2025	£1,759 per day	€2,101
Public price list, SQS (Switzerland), hourly rate times 8 hours	Public price list, 2025	CHF 265-295 per hour	€2,298 -2,558

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What a day includes

The TÜV Saar day covers the audit, its preparation and its report. Admin and the certification decision cost €95 per hour on top.
SQS bills hours, CHF 265 each, plus CHF 15-30 per hour for complex schemes such as information security.
Travel time is not in the day on the German and Swiss lists. See the fees.

Why rates differ

Country and auditor pay. Swiss and UK rates sit higher than Spanish ones.
Brand. A UK consultant reports a large body at £1,759 per day, above the £1,250 typical rate, "for the name on the certificate".
Scarcity. Published 2026 guides report day rates about 20% higher than in 2025.
Accreditation. UK bodies without accreditation charge about £800-1,000 per day.

The days decide more than the rate

Example: 40 people, 2 quotes

Quote A: 4 days at €990 = €3,960. Quote C: 9.5 days at €1,350 = €12,825. Quote A has the lower rate and the lower price. But for 40 people the floor is 5.5 days. Quote A sits under it, so its certificate is easier to question. Quote C pays for a full audit.