Company lists · Data refreshed September 2026

Top 25 Audit consulting companies based in the United Kingdom

RevenueBase identified 172 audit consulting companies headquartered in the United Kingdom as of September 2026 and tracks 29,878 professional contacts across them, including 5,885 with verified work emails. London is the largest hub.

This list covers audit consulting companies headquartered in the United Kingdom, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 21, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, 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 HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 21, 2026 86% judged on-target in blind review
172Companies
29,878Contacts tracked
5,885Verified emails
Explore this list → Free signup · no credit card · 500 free credits

The 25 largest audit consulting companies based in the United Kingdom

Ranked by team size
Top 25 of 172 audit consulting companies based in the United Kingdom, ranked by team size, largest first. Data refreshed Sep 21, 2026. RevenueBase Smart Search rates how each company's information relates to audit consulting companies: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#CompanyRevenueBase Smart SearchHeadquartersEmployeesContacts
1Indirect evidenceLondon, United KingdomHQ checked Sep 21, 202610001+14,509 contacts →

Indirect evidence

“Make growth happen.”

Source: RevenueBase Database · checked Sep 21, 2026
2Indirect evidenceLondon, United KingdomHQ checked Sep 21, 202610001+11,078 contacts →

Indirect evidence

Source: RevenueBase Database · checked Sep 21, 2026
3Strong evidenceLondon, United KingdomHQ checked Sep 21, 20261,001-5,0001,395 contacts →

Strong evidence

“Crowe UK is a leading audit, tax, advisory and consulting firm with a national presence to complement our international reach.”

Source: RevenueBase Database · checked Sep 21, 2026
4Indirect evidenceLondon, United KingdomHQ checked Sep 21, 2026501-1,000702 contacts →

Indirect evidence

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

Source: RevenueBase Database · checked Sep 21, 2026
5Indirect evidenceLondon, United KingdomHQ checked Sep 21, 20261,001-5,000505 contacts →

Indirect evidence

Source: RevenueBase Database · checked Sep 21, 2026
6Strong evidenceHarrow, United KingdomHQ checked Sep 21, 202611-5073 contacts →

Strong evidence

“MG Group is a multi-disciplinary practice providing accounting, tax, audit, legal and business consulting services.”

Source: RevenueBase Database · checked Sep 21, 2026
7Indirect evidenceDartford, United KingdomHQ checked Sep 21, 202651-20053 contacts →

Indirect evidence

“Adams & Moore is a professional firm of Auditors, Tax and Professional Advisors offering a comprehensive range of accounting, compliance, financial and business advisory services…”

Source: RevenueBase Database · checked Sep 21, 2026
8Indirect evidenceSwindon, United KingdomHQ checked Sep 21, 202651-20032 contacts →

Indirect evidence

“Morris Owen - chartered accountants, business advisers and tax advisers.”

Source: RevenueBase Database · checked Sep 21, 2026
9Indirect evidenceSlough, United KingdomHQ checked Sep 21, 202611-5030 contacts →

Indirect evidence

“Asmat & Co are one of Berkshires leading independent firms of Accountants servicing a growing and satisfied clientele.”

Source: RevenueBase Database · checked Sep 21, 2026
10Indirect evidenceCongleton, United KingdomHQ checked Sep 21, 202611-5027 contacts →

Indirect evidence

“Established and leading Accountants, Auditors, Tax Planners and Business Advisory Service in Cheshire, with a nationwide client base.”

Source: RevenueBase Database · checked Sep 21, 2026
11Partial evidenceHarpenden, United KingdomHQ checked Sep 21, 202611-5023 contacts →

Partial evidence

“Hicks and Company, Chartered Accountants Tax and Audit Specialists We are a local firm of accountants based in Harpenden, Hemel Hempstead and Hitchin”

Source: RevenueBase Database · checked Sep 21, 2026
12Indirect evidenceHull, United KingdomHQ checked Sep 21, 202611-5023 contacts →

Indirect evidence

“Your Accountant for Life Sadofskys provides trusted advice and first-class service to business and personal clients across the communities we serve.”

Source: RevenueBase Database · checked Sep 21, 2026
13Partial evidenceLondon, United KingdomHQ checked Sep 21, 202611-5022 contacts →

Partial evidence

“What we do We are a specialist professional services firm providing consulting and assurance services, particularly to the Financial Services sector.”

Source: RevenueBase Database · checked Sep 21, 2026
14Indirect evidenceLondon, United KingdomHQ checked Sep 21, 202611-5018 contacts →

Indirect evidence

“The provision of accounting, auditing, taxation services and business advice to a number of clients ranging from individuals to small, medium and large groups of privately owned…”

Source: RevenueBase Database · checked Sep 21, 2026
15Indirect evidenceAccrington, United KingdomHQ checked Sep 21, 202611-5018 contacts →

Indirect evidence

“We will help business owners achieve their dreams by helping them with their numbers to have a better business and life." A skilled team who work with you We employ a team of…”

Source: RevenueBase Database · checked Sep 21, 2026
16Partial evidenceBurntwood, United KingdomHQ checked Sep 21, 202611-5016 contacts →

Partial evidence

“Specialist internal audit, governance, risk and compliance services provider; helping our clients Improve, Comply and Optimise.”

Source: RevenueBase Database · checked Sep 21, 2026
17Indirect evidenceBishops Stortford, United KingdomHQ checked Sep 21, 202611-5015 contacts →

Indirect evidence

“Accountants Registered Auditors Chartered Tax Advisers Business Advisers”

Source: RevenueBase Database · checked Sep 21, 2026
18Indirect evidenceLowestoft, United KingdomHQ checked Sep 21, 202611-5015 contacts →

Indirect evidence

“Cunninghams was established in 1978 and today, we continue to build on our enviable reputation for providing excellent advice and first class service to our business and personal…”

Source: RevenueBase Database · checked Sep 21, 2026
19Indirect evidenceLeeds, United KingdomHQ checked Sep 21, 202611-5014 contacts →

Indirect evidence

“UHY BPR Heaton can trace its roots back to the 1920's and by focusing on looking after our clients we are now one of the largest independent chartered practices in the Yorkshire…”

Source: RevenueBase Database · checked Sep 21, 2026
20Indirect evidenceCumberland House, United KingdomHQ checked Sep 21, 202611-5013 contacts →

Indirect evidence

“Accountancy practice looking after Micro and SME clients dealing with Accounts, corporate and personal tax, book-keeping and VAT, company secretarial, payroll and CIS and business…”

Source: RevenueBase Database · checked Sep 21, 2026
21Partial evidenceCity Of London, United KingdomHQ checked Sep 21, 2026201-50013 contacts →

Partial evidence

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

Source: RevenueBase Database · checked Sep 21, 2026
22Partial evidenceEssex, United KingdomHQ checked Sep 21, 20261-1013 contacts →

Partial evidence

“OCTA Accountants is one of the emerging accounting and consulting firms across the globe.”

Source: RevenueBase Database · checked Sep 21, 2026
23Indirect evidenceReigate, United KingdomHQ checked Sep 21, 202611-5013 contacts →

Indirect evidence

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

Source: RevenueBase Database · checked Sep 21, 2026
24Partial evidenceRedditch, United KingdomHQ checked Sep 21, 20261-1012 contacts →

Partial evidence

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

Source: RevenueBase Database · checked Sep 21, 2026
25Partial evidenceLeigh-on-sea, United KingdomHQ checked Sep 21, 202611-5011 contacts →

Partial evidence

“Clouders Audit & Accounts Ltd is an accountancy practice based in Leigh-on-Sea, Essex.”

Source: RevenueBase Database · checked Sep 21, 2026

Showing 25 of 172 audit consulting companies based in the United Kingdom

See the full list, filter by size, metro and specialty, and get verified emails and direct dials for all 5,885 reachable decision-makers.

Free signup · no credit card

View the full list →

Audit consulting companies based in the United Kingdom at a glance

As of Sep 21, 2026
19.7%Verified-email coverage
173.7Average contacts per company
1-10Median size (employees)
32.6%Largest-city concentration · London
Sep 21, 2026Page data refreshed

Companies by employee count

1-10
91
11-50
62
51-200
7
201-500
3
501-1,000
1
1,001-5,000
4
10001+
3

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 172 companies.

How this list was built

Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among audit consulting companies, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.

Source
The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
What qualifies
Companies headquartered in the United Kingdom whose own description of what they do matches “audit consulting companies”. Matching reads each company's description, not its industry code or its name.
RevenueBase Smart Search
RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names audit consulting companies), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
What we exclude
Companies whose own description does not clearly place them among audit consulting companies, and records with no verified work email. Companies headquartered outside United Kingdom are excluded even when they keep an office there.
Match quality
In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
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 listed company carries at least one verified work email, 5,885 across the full list. 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.
Corrections
Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.

Audit consulting companies by metro

  • Audit consulting companies in London56

Frequently asked

What is RevenueBase Smart Search?

RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names audit consulting companies, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.

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

RevenueBase identified 172 audit consulting companies headquartered in the United Kingdom as of September 2026, matched on each company's own description of what it does rather than its industry code.

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 audit consulting companies?

London leads with 56 headquartered companies, followed by Manchester (5) and Birmingham (3).

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 5,885 verified decision-maker contacts tracked across these 172 companies.

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.

Ready to reach these companies? Verified emails and direct dials for all 172 audit consulting companies 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 Smart Search, 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.