Company lists · Data verified August 2026

Top 25 Accounting firms for international nonprofits based in the United Kingdom

Name: Accounting firms for international nonprofits 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 1,610 companies tracked

There are 1,610 accounting firms for international nonprofits headquartered in the United Kingdom (RevenueBase, August 2026). RevenueBase tracks 51,218 professional contacts across them, including 14,541 with verified work emails and 1,805 with mobile numbers. London is the largest hub.

This list covers accounting firms for international nonprofits 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.

1,610Companies

51,218Contacts tracked

14,541Verified emails

1,805Mobile numbers

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The 25 largest accounting firms for international nonprofits based in the United Kingdom

Ranked by team size

Top 25 of 1,610 accounting firms for international nonprofits 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	S&w	Beaconsfield	1,001-5,000	1,945	1,066
3	Crowe UK	Birmingham	1,001-5,000	1,381	5
4	Moore Kingston Smith	Romford	501-1,000	1,141	641
5	PKF Global	London	10001+	727	66
6	PKF Littlejohn	London	501-1,000	710	419
7	Pkf-Francis Clark Chartered Accountants & Business Advisers	Exeter	501-1,000	701	455
8	Blick Rothenberg	London	501-1,000	698	483
9	NEXIA	London	10001+	669	11
10	Haysmac	London	501-1,000	660	322
11	Kreston Reeves	Chichester	501-1,000	602	336
12	Mazars In The UK	London	1,001-5,000	516	231
13	BDO Ireland	Belfast	201-500	515	374
14	Kreston Global	London	10001+	504	10
15	Gravita	London	201-500	376	287
16	Affinia	London	201-500	370	198
17	HLB International	London	10001+	287	26
18	Russell Bedford International	London	1,001-5,000	262	9
19	James Cowper Kreston	Apex	51-200	234	1
20	Lubbock Fine	London	51-200	199	141
21	Westcotts Chartered Accountants & Business Advisers	Burnham-On-Sea	201-500	196	127
22	UNW	Newcastle Upon Tyne	51-200	193	151
23	UHY International	n/a	10001+	184	10
24	Burgess Hodgson	Canterbury	51-200	139	40
25	HSJ Accountants, Business & TAX Advisors	Newport	51-200	133	2

Showing 25 of 1,610 accounting firms for international nonprofits based in the United Kingdom

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Accounting firms for international nonprofits based in the United Kingdom at a glance

As of Aug 28, 2026

1-10Median size (employees)

LondonLargest hub · 382 HQs

1,805Contacts with mobile numbers

68Emails re-verified in last 30 days

Companies by employee count

1-10

944

11-50

462

51-200

201-500

501-1,000

1,001-5,000

10001+

Accounting firms for international nonprofits by metro

Metro	Companies
Accounting firms for international nonprofits in London	382
Accounting firms for international nonprofits in Bristol	31
Accounting firms for international nonprofits in Birmingham	29
Accounting firms for international nonprofits in Manchester	27
Accounting firms for international nonprofits in Ilford	18
Accounting firms for international nonprofits in Leeds	16
Accounting firms for international nonprofits in Glasgow	16

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 for international nonprofits”, 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; 68 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 for international nonprofits are there based in the United Kingdom?

There are 1,610 accounting firms for international nonprofits 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 for international nonprofits?

London leads with 382 headquartered companies, followed by Bristol (31) and Birmingham (29).

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 14,541 verified decision-maker contacts tracked across these 1,610 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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Related lists

Accounting firms for international nonprofits by geography

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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.