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Accounting and auditing activities: UK companies

42,683 live UK companies list accounting and auditing activities as their main trade, or 0.7% of the register. It ranks 20th among the 60 trades we cover. 3,329 of those companies were formed in 2025, against 1,544 still live from 2015. 1,802 (4.2%) have a proposal to strike off on file, below the UK figure of 7.3%.

Where they're registered

Where this trade is unusually common

The town's share of this trade, compared with its share of all UK companies.

  • Middlesex (113 companies)3.3×
  • Surrey (105 companies)2.5×
  • Essex (105 companies)1.8×
  • Watford (241 companies)1.8×
  • Harrow (398 companies)1.7×

By year formed

Only companies still live are counted, so older years look smaller. 2026 stops on 1 November 2026.

20122026
See every year as a table
YearLive companies
20121,575
20131,594
20141,751
20151,544
20161,548
20171,807
20182,077
20192,072
20201,975
20211,837
20221,901
20232,241
20242,588
20253,329
20262,711

Oldest active companies in this trade

  1. R.bird & Co.Formed 1932
  2. Payne & ScottFormed 1933
  3. Sequel AccountingFormed 1937
  4. Second C.b.trusteeFormed 1946
  5. First C.b. TrusteeFormed 1946

Related by size

Trade means the first Standard Industrial Classification code (SIC 69201) a company declares. Companies choose their own codes. Figures come from Companies House on 1 November 2026.

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