How many accounting firms are there in London?

There are 11,640 active accounting firms with a registered office in London, according to Companies House records. 4,895 of them are not dormant and have filed accounts in the last 21 months (data to 31 Jan 2026).

These figures last changed on 9 Oct 2026 and were last checked against the data on 9 Oct 2026.

Active companies: 11,640
With recent accounts, not dormant: 4,895
Employees reported in accounts: 13,543
Median net assets: £4,247
Data as of: 31 Jan 2026

Of the 11,640 active accounting firms registered in London, 1,154 are dormant and 4,895 are not dormant and have filed accounts in the last 21 months. The figures below describe those 4,895 companies, unless a table says otherwise.

Together, the 3,394 companies that reported at least one employee reported 13,543 employees in their latest accounts. The median among them is 1.

By size of accounts

Accounting firms in London by accounts category
Accounts category	Companies	Share
Micro-entity accounts	3,404	69.5%
Small company accounts	1,484	30.3%
Category not known	7	0.1%

The category is the type of accounts a company filed, which follows its size. Micro-entities are the smallest.

By number of employees

Accounting firms in London by average number of employees
Average employees	Companies	Share
None or not reported	1,501	30.7%
1 to 4	2,969	60.7%
5 to 9	303	6.2%
10 to 49	113	2.3%
50 to 249	7	0.1%
250 or more	2	0.0%

Average employees in the latest accounts. Many small companies have no employees other than their directors, or do not state a number.

By age

Active accounting firms in London by years since incorporation
Years since incorporation	Companies	Share
Under 2 years	3,276	28.1%
2 to 4 years	2,042	17.5%
5 to 9 years	2,825	24.3%
10 to 19 years	2,680	23.0%
20 years or more	817	7.0%

All active companies, dormant ones included.

By year of incorporation

Active accounting firms in London by year of incorporation
Incorporated in	Companies
2021	588
2022	619
2023	792
2024	954
2025	1,346

Companies incorporated in each year that are still active. Companies that have since closed are not counted, so these are not the numbers formed in each year.

Typical figures

Median figures for accounting firms in London, with the number of companies each median is taken from
Figure	Median	Companies reporting it
Net assets	£4,247	4,228
Employees (companies with one or more)	1	3,394
Cash at bank	£10,201	1,394
Cash at bank per employee	£5,557	1,097
Fixed assets per employee	£1,276	1,672

The median is the middle company: half report more and half report less. Each median covers only the companies that reported that figure, so it describes those companies and not every company in the industry. A median is shown only when at least 30 companies reported the figure.

2,116 of the 3,849 companies with net assets for two consecutive years (55.0%) reported higher net assets than the year before.

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How these figures were produced

Industry

Companies with any of these SIC codes on their Companies House record:

69201 – Accounting and auditing activities
69202 – Bookkeeping activities
69203 – Tax consultancy

Location

The post town of the registered office address is London.

Active companies

Companies whose status at Companies House is active. Dissolved companies are not in the data.

Recent accounts

Accounts made up to a date in the 21 months before 31 Jan 2026, the newest accounts date in the data.

Registered addresses

2,236 of the 4,895 companies with recent accounts (45.7%) are registered at an address shared by 50 or more companies, such as an accountant's office. Those companies may trade somewhere else.