Company lists · Data verified August 2026

Top 25 Accounting firms based in the United Kingdom

Name: Accounting firms based in the United Kingdom
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 8,405 companies tracked

There are 8,405 accounting firms headquartered in the United Kingdom (RevenueBase, August 2026). RevenueBase tracks 129,925 professional contacts across them, including 43,776 with verified work emails and 5,480 with mobile numbers. London is the largest hub.

This list covers accounting firms headquartered in the United Kingdom, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Data current as of August 28, 2026.

8,405Companies

129,925Contacts tracked

43,776Verified emails

5,480Mobile numbers

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The 25 largest accounting firms based in the United Kingdom

Ranked by team size

Top 25 of 8,405 accounting firms based in the United Kingdom, ranked by team size, largest first. Data verified Aug 28, 2026. Click a count to unlock that company's people.
#	Company	HQ	Employees	Contacts	Verified emails
1	Kpmg UK	London	10001+	14,427	808
2	PWC UK	London	10001+	11,074	3,838
3	S&w	Beaconsfield	1,001-5,000	1,945	1,066
4	Crowe UK	Birmingham	1,001-5,000	1,381	5
5	Saffery	Edinburgh	501-1,000	1,251	810
6	Moore Kingston Smith	Romford	501-1,000	1,141	641
7	AAB	Glasgow	1,001-5,000	1,106	766
8	Xeinadin	London	1,001-5,000	993	670
9	PKF Global	London	10001+	727	66
10	PKF Littlejohn	London	501-1,000	710	419
11	Pkf-Francis Clark Chartered Accountants & Business Advisers	Exeter	501-1,000	701	455
12	Blick Rothenberg	London	501-1,000	698	483
13	NEXIA	London	10001+	669	11
14	Haysmac	London	501-1,000	660	322
15	Kreston Reeves	Chichester	501-1,000	602	336
16	Armstrong Watson	Kendal	501-1,000	574	384
17	UHY Hacker Young	Nottingham	501-1,000	572	213
18	Mazars In The UK	London	1,001-5,000	516	231
19	Kreston Global	London	10001+	504	10
20	BKL	Cardiff	501-1,000	403	237
21	Duncan & Toplis	Newark	501-1,000	379	189
22	Dains Accountants & Advisers	Derby	501-1,000	374	159
23	Cohesive	Croydon	501-1,000	360	26
24	SKS Business Services	London	501-1,000	321	217
25	HLB International	London	10001+	287	26

Showing 25 of 8,405 accounting firms based in the United Kingdom

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Accounting firms based in the United Kingdom at a glance

As of Aug 28, 2026

1-10Median size (employees)

LondonLargest hub · 1585 HQs

5,480Contacts with mobile numbers

392Emails re-verified in last 30 days

Companies by employee count

1-10

5,453

11-50

2,104

51-200

357

201-500

501-1,000

1,001-5,000

10001+

Accounting firms by metro

Metro	Companies
Accounting firms in London	1585
Accounting firms in Manchester	172
Accounting firms in Birmingham	149
Accounting firms in Bristol	105
Accounting firms in Glasgow	82
Accounting firms in Leeds	79
Accounting firms in Liverpool	72

How this list was built

Source: The RevenueBase company graph: 21.3 million companies and 398.9 million professional contacts resolved from primary sources.
Inclusion: Companies whose own business descriptions match “accounting firms”, with match quality audited by blind human judging, and headquartered in the United Kingdom.
Ranking: Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
Verification: Contact records re-verify on a rolling cadence; 392 contacts on this list were re-verified in the last 30 days.
Refresh: Lists are refreshed periodically as the underlying company graph is re-verified. Last verified Aug 28, 2026.

Frequently asked

How many accounting firms are there based in the United Kingdom?

There are 8,405 accounting firms headquartered in the United Kingdom as of August 2026 (RevenueBase).

What is the largest company on this list?

Kpmg UK, headquartered in London, tops this list with the largest team on record.

Which city has the most accounting firms?

London leads with 1585 headquartered companies, followed by Manchester (172) and Birmingham (149).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 43,776 verified decision-maker contacts tracked across these 8,405 companies.

How current is this list?

The list is refreshed periodically as the underlying company graph is re-verified. It was last verified on August 28, 2026.

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About this data

RevenueBase is a B2B contact data platform. Its company graph covers 21.3 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph, the same data that powers RevenueBase's B2B data products and the free research portal.