Company lists · Data refreshed September 2026

Top 25 Accounting firms for nonprofit organizations based in the United Kingdom

RevenueBase identified 2,162 company matches for accounting firms for nonprofit organizations associated with the United Kingdom as of September 2026 and tracks 17,345 professional contacts across them, including 5,438 with verified work emails. London is the largest hub.

This list covers company matches for accounting firms for nonprofit organizations 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 September 27, 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 Sep 27, 2026 How this list was built
2,162Companies
17,345Contacts tracked
5,438Verified emails
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The 25 largest accounting firms for nonprofit organizations based in the United Kingdom

Ranked by team size
Top 25 of 2,162 company matches for accounting firms for nonprofit organizations based in the United Kingdom, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 27, 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 Sep 27, 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 · Sep 27, 2026 · View company records in RevenueBase
2Exact matchNewcastle Upon Tyne, United KingdomHQ recorded Sep 27, 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 · Sep 27, 2026 · View company records in RevenueBase
3Exact matchBristol, United KingdomHQ recorded Sep 27, 202651-200168 contacts →

Exact match

“Milsted Langdon is an independent firm of chartered accountants in Bath, Bristol, London, Taunton and Yeovil.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
4Exact matchNewport, United KingdomHQ recorded Sep 27, 202651-200134 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
5Exact matchWokingham, United KingdomHQ recorded Sep 27, 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 · Sep 27, 2026 · View company records in RevenueBase
6Exact matchLondon, United KingdomHQ recorded Sep 27, 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 · Sep 27, 2026 · View company records in RevenueBase
7Exact matchHemel Hempstead, United KingdomHQ recorded Sep 27, 2026501-1,000102 contacts →

Exact match

“SJD is now Caroola Accountancy!”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
8Exact matchRugby, United KingdomHQ recorded Sep 27, 202651-20099 contacts →

Exact match

“Cottons was established in 1983 and has since grown to become one of the leading independent chartered accountancy firms in the UK, with offices in Rugby, Northampton, Daventry…”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
9Exact matchSt Albans, United KingdomHQ recorded Sep 27, 202651-20098 contacts →

Exact match

“At Rayner Essex, we believe your accountant should do a lot more than just report on how your business is doing - he or she should help you identify opportunities to improve your…”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
10Exact matchLondon, United KingdomHQ recorded Sep 27, 202651-20091 contacts →

Exact match

“We focus on understanding your individual business needs.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
11Exact matchSheffield, United KingdomHQ recorded Sep 27, 202651-20086 contacts →

Exact match

“Since 1995 Sutton McGrath Hartley has been providing professional accountancy services from our offices in Sheffield and Chesterfield.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
12Exact matchNewbury, United KingdomHQ recorded Sep 27, 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 · Sep 27, 2026 · View company records in RevenueBase
13Exact matchChandlers Ford, United KingdomHQ recorded Sep 27, 202651-20070 contacts →

Exact match

“HWB is a leading firm of Chartered Accountants offering the depth of resource and specialist skills of a national practice.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
14Exact matchNewport, United KingdomHQ recorded Sep 27, 202611-5068 contacts →

Exact match

“As the leading independent firm of Chartered Accountants in south Wales, Kilsby & Williams LLP is able to provide advice on all aspects of accountancy and taxation such as…”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
15Exact matchWoodford Green, United KingdomHQ recorded Sep 27, 202651-20065 contacts →

Exact match

“At Nordens, we get it - we really do.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
16Exact matchHarrow, United KingdomHQ recorded Sep 27, 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 · Sep 27, 2026 · View company records in RevenueBase
17Exact matchLeamington Spa, United KingdomHQ recorded Sep 27, 202651-20063 contacts →

Exact match

“Accountants you can trust – whatever the challenge – you’ll find we’re a safe pair of hands.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
18Exact matchPortsmouth, United KingdomHQ recorded Sep 27, 202651-20060 contacts →

Exact match

“If you’re looking for clear, practical financial advice tailored to your needs, you’re in the right place.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
19Exact matchCoventry, United KingdomHQ recorded Sep 27, 202611-5055 contacts →

Exact match

“Dafferns is a friendly, dynamic firm of accountants.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
20Exact matchLeamington Spa, United KingdomHQ recorded Sep 27, 2026n/a54 contacts →

Exact match

“DSL is one of the UK's leading small business accountancy firms, helping businesses grow since 1997.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
21Exact matchLondon, United KingdomHQ recorded Sep 27, 202651-20053 contacts →

Exact match

“Bright Grahame Murray is a medium-sized firm of Chartered Accountants based in Kensington, London, SW7.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
22Exact matchOswestry, United KingdomHQ recorded Sep 27, 202651-20053 contacts →

Exact match

“We are a firm of Chartered Accountants dedicated to providing our clients with a professional, solution to their day to day accounting needs.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
23Exact matchLondon, United KingdomHQ recorded Sep 27, 202651-20052 contacts →

Exact match

“Now part of acumon UK the UK arm of acumon a fiercely independent global audit, accounting and tax firm.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
24Exact matchLondon, United KingdomHQ recorded Sep 27, 202611-5051 contacts →

Exact match

“Empowering Businesses to Thrive Through Financial Clarity | Adroit Accountax We're a team of passionate and experienced accountants dedicated to your business success.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
25Exact matchChichester, United KingdomHQ recorded Sep 27, 202651-20050 contacts →

Exact match

“At Lewis Brownlee, we're not just your average accountancy firm – we're the driving force behind your financial success.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase

Showing 25 of 2,162 accounting firms for nonprofit organizations based in the United Kingdom

See the full list, filter by size, metro and specialty, and access 5,438 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Accounting firms for nonprofit organizations based in the United Kingdom at a glance

As of Sep 27, 2026
31.4%Verified-email coverage
8.0Average contacts per company
1-10Median size (employees)
17.1%Largest-city concentration · London
Sep 27, 2026Page data refreshed

Companies by employee count

1-10
1,485
11-50
573
51-200
69
201-500
3
501-1,000
2
1,001-5,000
4
5,001-10,000
1
10001+
1

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 2,162 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 nonprofit organizations” 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 5,438 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 September 27, 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.

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 nonprofit organizations”; each Exact match badge shows search membership, not an individual similarity or quality score.

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

RevenueBase identified 2,162 company matches for accounting firms for nonprofit organizations associated with the United Kingdom as of September 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?

PKF Littlejohn 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 nonprofit organizations?

London leads with 369 company records, followed by Birmingham (39) and Manchester (39).

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 5,438 professional contacts with verified work emails tracked across these 2,162 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 September 27, 2026.

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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.