Company lists · Data refreshed September 2026

Top 23 Internal audit consulting companies based in the United Kingdom

Name: Internal audit consulting companies based in the United Kingdom
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 4, 2026 196 companies tracked

RevenueBase identified 196 company matches for internal audit consulting companies associated with the United Kingdom as of September 2026 and tracks 11,912 professional contacts across them, including 4,195 with verified work emails and 3,020 with mobile numbers. London is the largest hub.

This list covers company matches for internal audit consulting 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 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

196Companies

11,912Contacts tracked

4,195Verified emails

3,020Mobile numbers

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The 23 largest internal audit consulting companies based in the United Kingdom

Ranked by team size

Top 23 of 196 company matches for internal audit consulting companies 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.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	Crowe UK	Exact match	London, United KingdomHQ recorded Sep 4, 2026	1,001-5,000	1,381 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
2	Mazars In The UK	Exact match	London, United KingdomHQ recorded Sep 4, 2026	1,001-5,000	516 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 4, 2026 · View company records in RevenueBase
3	Tiaa LTD	Exact match	Fareham, United KingdomHQ recorded Sep 4, 2026	51-200	115 contacts →
	Exact match “Relax.” Recorded in the RevenueBase company graph · Sep 4, 2026 · View company records in RevenueBase
4	Swap Internal Audit Services	Exact match	Taunton, United KingdomHQ recorded Sep 4, 2026	51-200	72 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
5	Auditone UK	Exact match	Durham, United KingdomHQ recorded Sep 4, 2026	51-200	27 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
6	KBM Group	Exact match	London, United KingdomHQ recorded Sep 4, 2026	51-200	25 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
7	Independent Audit Limited	Exact match	London, United KingdomHQ recorded Sep 4, 2026	11-50	23 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
8	Validera	Exact match	Burntwood, United KingdomHQ recorded Sep 4, 2026	11-50	17 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
9	Recsel International	Exact match	London, United KingdomHQ recorded Sep 4, 2026	1-10	17 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
10	Hanami International	Exact match	London, United KingdomHQ recorded Sep 4, 2026	11-50	16 contacts →
	Exact match “International recruitment specialists in Internal Audit & Professional Services Hanami International is an Internal Audit & Professional Services (including External Audit…” Recorded in the RevenueBase company graph · Sep 4, 2026 · View company records in RevenueBase
11	UHY BPR Heaton Chartered Accountants	Exact match	Leeds, United KingdomHQ recorded Sep 4, 2026	11-50	14 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
12	Riskbase	Exact match	United KingdomHQ recorded Sep 4, 2026	11-50	14 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
13	Parker Russell UK	Exact match	London, United KingdomHQ recorded Sep 4, 2026	201-500	13 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
14	John Williams	Exact match	Reigate, United KingdomHQ recorded Sep 4, 2026	11-50	13 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
15	Mills Pyatt LTD	Exact match	Redditch, United KingdomHQ recorded Sep 4, 2026	1-10	12 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
16	Octa Accountants	Exact match	Ilford, United KingdomHQ recorded Sep 4, 2026	1-10	12 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
17	Accounting Crunchers Limited	Exact match	London, United KingdomHQ recorded Sep 4, 2026	1-10	12 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
18	Cube Partners Limited	Exact match	Northampton, United KingdomHQ recorded Sep 4, 2026	11-50	11 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
19	Zenith Audit UK LTD	Exact match	London, United KingdomHQ recorded Sep 4, 2026	1-10	11 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
20	Evolve North LTD	Exact match	Richmond, United KingdomHQ recorded Sep 4, 2026	11-50	9 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
21	Xcina Consulting	Exact match	London, United KingdomHQ recorded Sep 4, 2026	11-50	9 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
22	Exsus Audit	Exact match	London, United KingdomHQ recorded Sep 4, 2026	11-50	9 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
23	Murray Harcourt	Exact match	Leeds, United KingdomHQ recorded Sep 4, 2026	51-200	8 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

RevenueBase SmartSearch

Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.

This list uses Exact for “internal audit consulting companies”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.

Showing 23 of 196 internal audit consulting companies based in the United Kingdom

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

As of Sep 4, 2026

35.2%Verified-email coverage

25.4%Mobile-number coverage

60.8Average contacts per company

1-10Median size (employees)

40.8%Largest-city concentration · London

Sep 4, 2026Page data refreshed

Companies by employee count

1-10

130

11-50

51-200

201-500

501-1,000

1,001-5,000

5,001-10,000

Freshness & accuracy

How recently the business emails on this list were verified

Email last verified

00–30

29031–60

2,30361–90

1,59090–180

12180+

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 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 4,195 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 companies by metro

Internal audit consulting companies in London80

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

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

RevenueBase identified 196 company matches for internal audit consulting 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?

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 companies?

London leads with 80 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 4,195 professional contacts with verified work emails tracked across these 196 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.