Company lists · Data refreshed October 2026

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

RevenueBase identified 1,236 company matches for accounting firms for international nonprofits associated with the United Kingdom as of October 2026 and tracks 18,340 professional contacts across them, including 5,266 with verified work emails. London is the largest hub.

This list covers company matches for accounting firms for international nonprofits associated with the United Kingdom, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed October 1, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.

How to read this list RevenueBase SmartSearch · Exact Recorded Oct 1, 2026 How this list was built
1,236Companies
18,340Contacts tracked
5,266Verified emails
Explore this list → Free signup · no credit card · 500 free credits

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

Ranked by team size
Top 25 of 1,236 company matches for accounting firms for international nonprofits based in the United Kingdom, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 1, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchLondon, United KingdomHQ recorded Oct 1, 2026501-1,0001,151 contacts →

Exact match

“At Moore Kingston Smith, we believe in the potential of people to make a positive impact, fuelled by the power of genuine understanding.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
2Exact matchLondon, United KingdomHQ recorded Oct 1, 202610001+725 contacts →

Exact match

“PKF is a global family of legally independent professional services firms bound together by a shared commitment to quality, integrity and the creation of clarity in a complex…”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
3Exact matchLondon, United KingdomHQ recorded Oct 1, 2026501-1,000702 contacts →

Exact match

“We are a fast-growing firm of accountants and business advisers based in London’s Canary Wharf, Leeds and in Manchester.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
4Exact matchLondon, United KingdomHQ recorded Oct 1, 202610001+685 contacts →

Exact match

“Nexia is a leading worldwide network of independent accounting and consulting firms.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
5Exact matchLondon, United KingdomHQ recorded Oct 1, 2026501-1,000655 contacts →

Exact match

“HaysMac is an award‑winning accountancy, tax and advisory firm, known for delivering expert, partner‑led advice to ambitious organisations and individuals.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
6Exact matchLondon, United KingdomHQ recorded Oct 1, 2026501-1,000602 contacts →

Exact match

“We guide our clients, colleagues and communities to a brighter future.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
7Exact matchLondon, United KingdomHQ recorded Oct 1, 202610001+512 contacts →

Exact match

“Kreston is a global network of innovative, like-minded accounting firms that puts trusted relationships and exceptional care at the heart of everything it does.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
8Exact matchLondon, United KingdomHQ recorded Oct 1, 202610001+291 contacts →

Exact match

“We are a global network of independent advisory and accounting firms with a history of innovation and collaboration, dedicated to helping our clients grow across borders.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
9Exact matchLondon, United KingdomHQ recorded Oct 1, 20261,001-5,000271 contacts →

Exact match

“Established in 1983, Russell Bedford is a global network of independent firms of accountants, auditors, tax advisers and business consultants.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
10Exact matchNewbury, United KingdomHQ recorded Oct 1, 202651-200235 contacts →

Exact match

“James Cowper Kreston is a leading firm of accountants and business advisers, with offices in Newbury, Oxford, London, Reading and Southampton.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
11Exact matchExeter, United KingdomHQ recorded Oct 1, 2026201-500196 contacts →

Exact match

“Westcotts have been offering experienced and talented partners and specialists to support a diverse range of individuals and businesses, operating in local, national and…”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
12Exact matchNewcastle Upon Tyne, United KingdomHQ recorded Oct 1, 202651-200195 contacts →

Exact match

“UNW is a leading independent firm of chartered accountants that delivers a wide range of accountancy and business advisory services to its clients.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
13Exact matchLondon, United KingdomHQ recorded Oct 1, 20265,001-10,000187 contacts →

Exact match

“MGI Worldwide is more than a global accounting network.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
14Exact matchLondon, United KingdomHQ recorded Oct 1, 202610001+186 contacts →

Exact match

“UHY is a leading network of independent audit, accounting, tax and consulting firms with offices in more than 320 major business centres across 95 countries.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
15Exact matchLondon, United KingdomHQ recorded Oct 1, 202651-200153 contacts →

Exact match

“Dixon Wilson is one of the leading firms of Chartered Accountants based in London.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
16Exact matchCanterbury, United KingdomHQ recorded Oct 1, 202651-200140 contacts →

Exact match

“Burgess Hodgson are a Kent based accountancy firm with the skills and expertise to rival any other accountancy firm in the UK.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
17Exact matchNewport, United KingdomHQ recorded Oct 1, 202651-200134 contacts →

Exact match

“Award winning accountants & tax advisors based in Newport, South Wales.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
18Exact matchBanbury, United KingdomHQ recorded Oct 1, 202651-200120 contacts →

Exact match

“Ellacotts is one of the largest independent accounting and business advisory firms in the UK and is ranked as a Top 100 Accountancy Firm by Accountancy Age.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
19Exact matchWokingham, United KingdomHQ recorded Oct 1, 202651-200107 contacts →

Exact match

“FLB is a firm of accountants providing core accounting services to a range of clients from start-ups, owner-managed businesses and private clients, to large corporates and…”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
20Exact matchLondon, United KingdomHQ recorded Oct 1, 202651-200104 contacts →

Exact match

“Welcome to Sayer Vincent, experts in auditing and advising charities and social purpose organisations.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
21Exact matchHemel Hempstead, United KingdomHQ recorded Oct 1, 2026501-1,000102 contacts →

Exact match

“SJD is now Caroola Accountancy!”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
22Exact matchLondon, United KingdomHQ recorded Oct 1, 202651-20091 contacts →

Exact match

“We focus on understanding your individual business needs.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
23Exact matchNewbury, United KingdomHQ recorded Oct 1, 202651-20077 contacts →

Exact match

“At UHY Ross Brooke Chartered Accountants, we are driven by our purpose of helping you prosper and this applies across all that we do for our clients, our teams and our wider…”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
24Exact matchLondon, United KingdomHQ recorded Oct 1, 202651-20075 contacts →

Exact match

“USTAXFS are the largest independent tax accounting firm in the UK & Europe specialising in US tax, including the complex specialism of US and UK cross-border tax planning.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
25Exact matchHarrow, United KingdomHQ recorded Oct 1, 202611-5064 contacts →

Exact match

“Meralis Chartered Accountants and Registered Auditors were set up by Mahmud Merali to provide accountancy, auditing and consultancy services to clients both at national and…”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase

Showing 25 of 1,236 accounting firms for international nonprofits based in the United Kingdom

See the full list, filter by size, metro and specialty, and access 5,266 tracked professional contacts with verified work emails. Direct dials are available where recorded.

Free signup · no credit card

View the full list →

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

As of Oct 1, 2026
28.7%Verified-email coverage
14.8Average contacts per company
1-10Median size (employees)
23.4%Largest-city concentration · London
Oct 1, 2026Page data refreshed

Companies by employee count

1-10
792
11-50
340
51-200
51
201-500
10
501-1,000
8
1,001-5,000
7
5,001-10,000
2
10001+
6

Email recency for this list is measured worldwide rather than for United Kingdom, so it is reported there. Company counts and contact totals on this page are exact for United Kingdom, over 1,236 companies.

How this list was built

The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.

Source
The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
What qualifies
Company records associated with the United Kingdom whose business descriptions match “accounting firms for international nonprofits” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
RevenueBase SmartSearch
Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
Public preview
The public preview omits records without a verified work email. Where headquarters information is recorded, preview rows are also filtered to this page’s location. Dataset totals and geographic summaries describe the full matched records before these preview filters.
Match quality
RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
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
Every displayed company carries at least one verified work email. RevenueBase tracks 5,266 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
Refresh
This page's figures were pulled from the company graph on October 1, 2026. Lists refresh periodically as the graph is re-checked.
Record context
Company records and descriptions can change. Check the company's website for its current services and locations.

Accounting firms for international nonprofits by metro

Frequently asked

What is RevenueBase SmartSearch?

RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “accounting firms for international nonprofits”; each Exact match badge shows search membership, not an individual similarity or quality score.

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

RevenueBase identified 1,236 company matches for accounting firms for international nonprofits associated with the United Kingdom as of October 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.

What is the largest company on this list?

Moore Kingston Smith tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most accounting firms for international nonprofits?

London leads with 289 company records, followed by Birmingham (23) and Bristol (23).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 5,266 professional contacts with verified work emails tracked across these 1,236 companies; direct dials are available where recorded.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on October 1, 2026.

Ready to reach these companies? Verified emails and direct dials for all 1,236 accounting firms for international nonprofits based in the United Kingdom. Start with a free account, no credit card.

Download this list →

Related lists

About this data

RevenueBase is a B2B data infrastructure company. Its company graph covers 60 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 with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.