29,561 filed audit fees · 144,578 Norwegian auditor appointments · refreshed 10 September 2026
What does an audit actually cost?
Every UK company that files audited accounts discloses what it paid its auditor. We read 29,561 of them and put them side by side. Type your company and see its filed fee, its auditor, and where that fee sits among companies its size.
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Fees rise slowly with size
A UK company with £10–25m of revenue pays a median audit fee of £15,600; at £100m and above the median is £28,400. Half of all fees in any band sit within a range about twice as wide as the median.
Median UK audit fee by revenue band
Median with interquartile range, 22,718 companies with a fee and revenue on file
The Big 4 premium is the whole story of "alternative to"
At £10–25m of revenue, a Big 4 audit costs a median £45,000 against £18,750 at a challenger firm and £14,500 at an independent one: 2.4× and 3.1× respectively.
Median UK audit fee by auditor tier and revenue band
Big 4 samples in the mid-market are small; the gap is not.
- Alternatives to Deloitte LLP
- Alternatives to Ernst & Young LLP
- Alternatives to KPMG LLP
- Alternatives to PricewaterhouseCoopers LLP
- Alternatives to Azets Audit Services
- Alternatives to Saffery LLP
- Alternatives to Sumer Auditco Limited
- Alternatives to Xeinadin Audit Limited
- Alternatives to Moore Kingston Smith LLP
- Alternatives to Forvis Mazars LLP
Fees moved +5.0% last year
Across 14,229 UK companies with two years of fees on file, the median rise was 5.0%. 20.0% saw a rise above 20%; 15.1% saw a cut, which means renegotiating works.
How UK audit fees moved, year on year
Share of companies by the size of the change
Who audits Norway
Four consolidators that did not exist as auditors a few years ago now audit 22,126 Norwegian companies between them, more than any single Big 4 firm.
Share of Norwegian audited companies, top twelve firms
144,578 companies with a registered auditor
Audit in your city
- London£15,600
- Manchester£15,675
- Birmingham£12,495
- Bristol£14,694
- Edinburgh£10,860
- Leeds£17,500
- Glasgow£15,750
- Belfast£9,236
- Nottingham£15,000
- Reading£17,750
- Altrincham£13,150
- Sheffield£15,005
- Cambridge£16,825
- Liverpool£15,000
- Milton Keynes£16,150
- Leicester£14,550
- Aberdeen£16,000
- Cardiff£15,000
- Newcastle Upon Tyne£12,550
- Coventry£13,922
- Warrington£17,340
- Northampton£16,750
- Norwich£15,000
- Oxford£16,000
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