auditor.ltd

Open data

The aggregate tables behind auditor.ltd as CSV: UK fees by revenue band and auditor tier, firms, cities and sectors; Norwegian firms and kommuner. Creative Commons Attribution. Refreshed 10 September 2026.

FileWhat it holds
uk-fee-bands.csvMedian and percentile UK audit fee by revenue band
uk-tier-bands.csvMedian UK audit fee by auditor tier within each revenue band
uk-firms.csvUK audit firms with 20+ mandates: mandates, median fee, fee share of revenue, year-on-year change
uk-cities.csvUK cities with 50+ fees: companies, median fee, firms
uk-sectors.csvUK sectors with 150+ fees: companies, median fee, fee share of revenue
no-firms.csvNorwegian audit firms with 20+ mandates: mandates, share, kommuner, client size
no-kommuner.csvNorwegian kommuner with 100+ companies: companies, audited, firms, accountants

Licence: CC BY 4.0. Attribute "auditor.ltd / Benford". See the methodology for how the figures are made.