Company lists · Data refreshed September 2026

Top 25 Internal audit consulting firms based in the United Kingdom

RevenueBase identified 190 company matches for internal audit consulting firms associated with the United Kingdom as of September 2026 and tracks 12,162 professional contacts across them, including 4,294 with verified work emails and 3,037 with mobile numbers. London is the largest hub.

This list covers company matches for internal audit consulting firms 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 4, 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 4, 2026 How this list was built
190Companies
12,162Contacts tracked
4,294Verified emails
3,037Mobile numbers
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The 25 largest internal audit consulting firms based in the United Kingdom

Ranked by team size
Top 25 of 190 company matches for internal audit consulting firms based in the United Kingdom, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 4, 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 4, 20261,001-5,0001,381 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 4, 2026 · View company records in RevenueBase
2Exact matchLondon, United KingdomHQ recorded Sep 4, 20261,001-5,000516 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Sep 4, 2026 · View company records in RevenueBase
3Exact matchFareham, United KingdomHQ recorded Sep 4, 202651-200115 contacts →

Exact match

“Relax.”

Recorded in the RevenueBase company graph · Sep 4, 2026 · View company records in RevenueBase
4Exact matchTaunton, United KingdomHQ recorded Sep 4, 202651-20072 contacts →

Exact match

“SWAP is a well established not for profit organisation that focuses on internal audit but also offers a variety of independent business improvement and assurance services designed…”

Recorded in the RevenueBase company graph · Sep 4, 2026 · View company records in RevenueBase
5Exact matchDartford, United KingdomHQ recorded Sep 4, 202651-20051 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 4, 2026 · View company records in RevenueBase
6Exact matchDurham, United KingdomHQ recorded Sep 4, 202651-20027 contacts →

Exact match

“Providing internal audit, technology risk assurance and counter fraud services in the North of England.”

Recorded in the RevenueBase company graph · Sep 4, 2026 · View company records in RevenueBase
7Exact matchLondon, United KingdomHQ recorded Sep 4, 202651-20025 contacts →

Exact match

“KBM Group was founded as a Chartered Certified Accountancy firm, offering advisory and consulting services for business start-ups and organizations looking to strengthen their…”

Recorded in the RevenueBase company graph · Sep 4, 2026 · View company records in RevenueBase
8Exact matchLondon, United KingdomHQ recorded Sep 4, 202611-5023 contacts →

Exact match

“Independent Audit are leading specialists in governance, risk and assurance.”

Recorded in the RevenueBase company graph · Sep 4, 2026 · View company records in RevenueBase
9Exact matchLondon, United KingdomHQ recorded Sep 4, 202611-5020 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 4, 2026 · View company records in RevenueBase
10Exact matchBurntwood, United KingdomHQ recorded Sep 4, 202611-5017 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 4, 2026 · View company records in RevenueBase
11Exact matchLondon, United KingdomHQ recorded Sep 4, 20261-1017 contacts →

Exact match

“RecSel International is the specialist recruitment consultancy for audit jobs across Europe.”

Recorded in the RevenueBase company graph · Sep 4, 2026 · View company records in RevenueBase
12Exact matchLondon, United KingdomHQ recorded Sep 4, 202611-5016 contacts →

Exact match

“Trusted Partner to the Financial Services *From the business, to your business* Mirador Solutions Consultancy is a trusted and strategic partner for financial services firms, with…”

Recorded in the RevenueBase company graph · Sep 4, 2026 · View company records in RevenueBase
13Exact matchLeeds, United KingdomHQ recorded Sep 4, 202611-5014 contacts →

Exact match

“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…”

Recorded in the RevenueBase company graph · Sep 4, 2026 · View company records in RevenueBase
14Exact matchUnited KingdomHQ recorded Sep 4, 202611-5014 contacts →

Exact match

“RiskBase helps larger consultancies and groups manage every stage of the compliance process, from creating Fire Risk Assessments through to completing remedial actions and…”

Recorded in the RevenueBase company graph · Sep 4, 2026 · View company records in RevenueBase
15Exact matchLondon, United KingdomHQ recorded Sep 4, 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 4, 2026 · View company records in RevenueBase
16Exact matchReigate, United KingdomHQ recorded Sep 4, 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 4, 2026 · View company records in RevenueBase
17Exact matchRedditch, United KingdomHQ recorded Sep 4, 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 4, 2026 · View company records in RevenueBase
18Exact matchIlford, United KingdomHQ recorded Sep 4, 20261-1012 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 4, 2026 · View company records in RevenueBase
19Exact matchLondon, United KingdomHQ recorded Sep 4, 20261-1012 contacts →

Exact match

“Accounting Crunchers Limited is a full-service business consulting and advisory firm with a global presence in the UAE, UK, Canada, and USA.”

Recorded in the RevenueBase company graph · Sep 4, 2026 · View company records in RevenueBase
20Exact matchNorthampton, United KingdomHQ recorded Sep 4, 202611-5011 contacts →

Exact match

“Cube Partners Limited is a firm of Chartered Accountants and Registered Auditors, regulated by the Institute of Chartered Accountants in England & Wales.”

Recorded in the RevenueBase company graph · Sep 4, 2026 · View company records in RevenueBase
21Exact matchLondon, United KingdomHQ recorded Sep 4, 20261-1011 contacts →

Exact match

“Zenith Audit UK is a specialist audit firm delivering assurance and risk management services to SMEs in the financial services industry and beyond.”

Recorded in the RevenueBase company graph · Sep 4, 2026 · View company records in RevenueBase
22Exact matchRichmond, United KingdomHQ recorded Sep 4, 202611-509 contacts →

Exact match

“Evolve North is a specialist consultancy with subject matter expertise founded in Governance, Risk, and Compliance as well as IT Security and Assurance.”

Recorded in the RevenueBase company graph · Sep 4, 2026 · View company records in RevenueBase
23Exact matchLondon, United KingdomHQ recorded Sep 4, 202611-509 contacts →

Exact match

“At Xcina Consulting we leverage a deep and experienced pool of skilled consultants to deliver all our assurance and advisory services.”

Recorded in the RevenueBase company graph · Sep 4, 2026 · View company records in RevenueBase
24Exact matchLondon, United KingdomHQ recorded Sep 4, 202611-509 contacts →

Exact match

“EXSUS AUDITis offering a comprehensive range of accounting, auditing, tax planning and business consulting services to Cypriot and offshore companies and high net worth…”

Recorded in the RevenueBase company graph · Sep 4, 2026 · View company records in RevenueBase
25Exact matchLeeds, United KingdomHQ recorded Sep 4, 202651-2008 contacts →

Exact match

“Murray Harcourt is an independent firm of audit, tax and risk management specialists with a passion for being a commercial, proactive and forward-thinking client resource.”

Recorded in the RevenueBase company graph · Sep 4, 2026 · View company records in RevenueBase

Showing 25 of 190 internal audit consulting firms based in the United Kingdom

See the full list, filter by size, metro and specialty, and access 4,294 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Internal audit consulting firms based in the United Kingdom at a glance

As of Sep 4, 2026
35.3%Verified-email coverage
25.0%Mobile-number coverage
64.0Average contacts per company
1-10Median size (employees)
40.5%Largest-city concentration · London
Sep 4, 2026Page data refreshed

Companies by employee count

1-10
125
11-50
42
51-200
13
201-500
2
501-1,000
1
1,001-5,000
4
5,001-10,000
1

Freshness & accuracy

How recently the business emails on this list were verified

Email last verified

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 “internal audit consulting firms” 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 4,294 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 4, 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.

Internal audit consulting firms 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 “internal audit consulting firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

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

RevenueBase identified 190 company matches for internal audit consulting firms 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?

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

Which city has the most internal audit consulting firms?

London leads with 77 company records, followed by Birmingham (4) and Leeds (4).

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 4,294 professional contacts with verified work emails tracked across these 190 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 4, 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.