Accounting and auditing activities in London

SIC 69201London|Data verified: 2026-04-17
6,611Active Companies

London is one of the UK's largest centres for accounting and auditing activities, with 6,611 active companies registered in this sector. This concentration makes it a major hub for accounting and auditing activities businesses at the national level. The average accounting and auditing activities company in London is 8.0 years old, indicating a sector that has seen significant recent growth alongside established players. Growth has been exceptional: 48% of active companies were formed since 2020, with a further 38% established during the 2010s. This makes it one of the fastest-growing sectors in London. Across the UK, other leading locations for accounting and auditing activities include Manchester (767 companies) and Birmingham (709). Notable accounting and auditing activities companies based in London include AZETS HOLDINGS LIMITED.

6,611
Active
8.0y
Avg Age
1+
Featured
Formation by Decade
12%
38%
48%
Pre-1990: 31
1990s: 131
2000s: 768
2010s: 2,503
2020s: 3,170

Frequently Asked Questions about Accounting and auditing activities in London

How many accounting and auditing activities companies are in London?

There are 6,611 active accounting and auditing activities companies (SIC code 69201) currently registered in London, based on Companies House data. This includes businesses of all sizes, from sole traders to large enterprises, that have selected this SIC code as their primary activity.

What is the average age of accounting and auditing activities companies in London?

The average accounting and auditing activities company in London is 8.0 years old. This represents a balanced mix of established businesses and newer market entrants. Company ages are calculated from incorporation dates registered at Companies House.

Is the accounting and auditing activities sector growing in London?

Yes, the accounting and auditing activities sector in London is experiencing significant growth. 48% of currently active companies were formed since 2020, and 38% during the 2010s. This sustained formation rate indicates strong demand.

Where else in the UK are accounting and auditing activities companies concentrated?

Beyond London, the leading UK locations for accounting and auditing activities companies are: Manchester (767), Birmingham (709), Bristol (477), Glasgow (462), Harrow (389). These concentrations often reflect regional economic specialisations, proximity to key markets, or established industry clusters.

What other industries are prominent in London?

Alongside accounting and auditing activities, other significant industries in London include: Buying and selling of own real estate (54,323), Other letting and operating of own or leased real estate (53,308), Retail sale via mail order houses or via Internet (48,095), Management consultancy activities other than financial management (47,561). This diversity of business activity contributes to London's overall economic resilience.

How can I find accounting and auditing activities companies in London?

You can search for accounting and auditing activities companies in London using UVAGATRON's company explorer, which allows filtering by SIC code, location, company status, and risk profile. Each company record includes director information, filing history, and risk signals from 50+ government databases. Alternatively, you can search directly on Companies House.

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Data sourced from Companies House, HM Land Registry, FCA Register, and 50+ government databases. Last updated: 2026-04-17.