Company lists · Data refreshed September 2026

Top 25 Audit companies based in the United Kingdom

RevenueBase identified 70 company matches for audit companies associated with the United Kingdom as of September 2026 and tracks 783 professional contacts across them, including 178 with verified work emails. London is the largest hub.

This list covers company matches for audit companies 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 21, 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 21, 2026 How this list was built
70Companies
783Contacts tracked
178Verified emails
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The 25 largest audit companies based in the United Kingdom

Ranked by team size
Top 25 of 70 company matches for audit companies based in the United Kingdom, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 21, 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 21, 202611-5055 contacts →

Exact match

“FirmDecisions, member of the Ebiquity Group Plc, is the largest independent global marketing auditor.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
2Exact matchChichester, United KingdomHQ recorded Sep 21, 202611-5028 contacts →

Exact match

“James Todd & Co Ltd is a chartered accountancy firm and registered auditors serving clients across the South, South East, and London.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
3Exact matchLondon, United KingdomHQ recorded Sep 21, 202611-5027 contacts →

Exact match

“Chartered Accountants, Tax Advisors and Statutory Auditor based in London.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
4Exact matchLondon, United KingdomHQ recorded Sep 21, 202611-5022 contacts →

Exact match

“Vision Consulting is a boutique firm of chartered accountants and registered auditors, helping individuals and businesses make confident financial decisions.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
5Exact matchLondon, United KingdomHQ recorded Sep 21, 202611-5015 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
6Exact matchCity Of London, United KingdomHQ recorded Sep 21, 2026201-50013 contacts →

Exact match

“Parker Russell is a leading audit firm offering comprehensive services to medium to large corporations, specialising in FCA-regulated environments and stock exchange-listed…”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
7Exact matchReigate, United KingdomHQ recorded Sep 21, 202611-5013 contacts →

Exact match

“We are registered auditors and have a wide experience in reporting under the Companies Act and the special rules which govern solicitors.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
8Exact matchRedditch, United KingdomHQ recorded Sep 21, 20261-1012 contacts →

Exact match

“Mills Pyatt a professional Audit & Accounting firm based centrally in the UK, just south of Birmingham.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
9Exact matchNottingham, United KingdomHQ recorded Sep 21, 202611-5010 contacts →

Exact match

“When you work with us, you can expect a no-fuss, reliable audit.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
10Exact matchManchester, United KingdomHQ recorded Sep 21, 20261-109 contacts →

Exact match

“We are a Manchester-based firm of accountants and auditors working with charities, social enterprises and co-operatives.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
11Exact matchCheltenham, United KingdomHQ recorded Sep 21, 202611-508 contacts →

Exact match

“We are an experienced team of Chartered Accountants and Registered Auditors based in Staverton, Gloucestershire covering Cheltenham, Gloucester, Stroud, Forest of Dean…”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
12Exact matchLondon, United KingdomHQ recorded Sep 21, 202611-508 contacts →

Exact match

“We are an independent, five partner practice based in Pimlico, London, close to Victoria Station.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
13Exact matchSevenoaks, United KingdomHQ recorded Sep 21, 202611-508 contacts →

Exact match

“Business Advisors, Chartered Accountants, Tax Consultants, Forensic Accountants and Registered Auditors.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
14Exact matchLondon, United KingdomHQ recorded Sep 21, 20261-108 contacts →

Exact match

“We are your trusted partners in the world of audit and assurance.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
15Exact matchManchester Uk, United KingdomHQ recorded Sep 21, 202611-508 contacts →

Exact match

“360 Forensic deploys in-depth audit expertise combined with proprietary software data solutions to identify missed revenue, tighten IP compliance and flag commercial issues for a…”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
16Exact matchCheltenham, United KingdomHQ recorded Sep 21, 20261-107 contacts →

Exact match

“Founded on the belief that auditing can be positive and stress-free, Byrd + Link specialise in partnering with leading regional Accountancy Practices, and supporting commercial…”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
17Exact matchHereford, United KingdomHQ recorded Sep 21, 202611-506 contacts →

Exact match

“We are a firm of Chartered Accountants and Registered Auditors based in Hereford.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
18Exact matchGlasgow, United KingdomHQ recorded Sep 21, 202611-504 contacts →

Exact match

“Ballantyne & Co is an independent firm of Chartered Accountants and Statutory Auditors based in Glasgow city centre.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
19Exact matchLondon, United KingdomHQ recorded Sep 21, 20261-104 contacts →

Exact match

“Ida Business Consulting was founded by Murat Barin who is a dual qualified accountant in Turkey and England.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
20Exact matchLondon, United KingdomHQ recorded Sep 21, 20261-103 contacts →

Exact match

“Husain Bulman & Co Chartered Accountants and Registered Auditors - London, UK”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
21Exact matchBognor Regis, United KingdomHQ recorded Sep 21, 20261-103 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
22Exact matchLeeds, United KingdomHQ recorded Sep 21, 202611-503 contacts →

Exact match

“We are a growing, independent accounting firm in Horsforth, Leeds with a fresh and innovative take on accounting!”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
23Exact matchLondon, United KingdomHQ recorded Sep 21, 20261-103 contacts →

Exact match

“We are an Internal Audit search firm operating within the Financial Services sector.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
24Exact matchBanbridge, United KingdomHQ recorded Sep 21, 20261-102 contacts →

Exact match

“RGA Accountants Ltd is your local established firm of Chartered Accountants & Registered Auditors, based in Banbridge Co.Down.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
25Exact matchAlderholt, United KingdomHQ recorded Sep 21, 20261-102 contacts →

Exact match

“Established in 2021, Elsiarc was created to develop a more personal approach to internal audit, regulatory compliance and risk management.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase

Showing 25 of 70 audit companies based in the United Kingdom

See the full list, filter by size, metro and specialty, and access 178 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Audit companies based in the United Kingdom at a glance

As of Sep 21, 2026
22.7%Verified-email coverage
11.2Average contacts per company
1-10Median size (employees)
35.7%Largest-city concentration · London
Sep 21, 2026Page data refreshed

Companies by employee count

1-10
39
11-50
28
51-200
1
201-500
1
1,001-5,000
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 70 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 “audit companies” 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 178 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 21, 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 “audit companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many audit companies are there based in the United Kingdom?

RevenueBase identified 70 company matches for audit companies 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?

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

Which city has the most audit companies?

London leads with 25 company records, followed by Manchester (3) and Belfast (2).

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 178 professional contacts with verified work emails tracked across these 70 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 21, 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.