Company lists · Data refreshed November 2026

Top 23 Internal audit consulting services based in the United Kingdom

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

Compiled by the RevenueBase Data Team Data refreshed Nov 5, 2026 238 companies tracked

RevenueBase identified 238 company matches for internal audit consulting services associated with the United Kingdom as of November 2026 and tracks 1,770 professional contacts across them, including 703 with verified work emails. London is the largest hub.

This list covers company matches for internal audit consulting services 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 November 5, 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 Nov 5, 2026 How this list was built

238Companies

1,770Contacts tracked

703Verified emails

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

Ranked by team size

Top 23 of 238 company matches for internal audit consulting services based in the United Kingdom, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 5, 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	Mazars In The UK	Exact match	London, United KingdomHQ recorded Nov 5, 2026	1,001-5,000	481 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
2	Tiaa LTD	Exact match	Fareham, United KingdomHQ recorded Nov 5, 2026	51-200	129 contacts →
	Exact match “Relax.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
3	Swap Internal Audit Services	Exact match	Taunton, United KingdomHQ recorded Nov 5, 2026	51-200	68 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 · Nov 5, 2026 · View company records in RevenueBase
4	Adams & Moore	Exact match	Dartford, United KingdomHQ recorded Nov 5, 2026	51-200	56 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 · Nov 5, 2026 · View company records in RevenueBase
5	Occam Group	Exact match	Bristol, United KingdomHQ recorded Nov 5, 2026	11-50	38 contacts →
	Exact match “Providers of proportionate and pragmatic integrated assurance support, advice and audit.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
6	KBM Group	Exact match	London, United KingdomHQ recorded Nov 5, 2026	51-200	31 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 · Nov 5, 2026 · View company records in RevenueBase
7	Auditone UK	Exact match	Durham, United KingdomHQ recorded Nov 5, 2026	51-200	29 contacts →
	Exact match “Providing internal audit, technology risk assurance and counter fraud services in the North of England.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
8	Independent Audit Limited	Exact match	London, United KingdomHQ recorded Nov 5, 2026	11-50	21 contacts →
	Exact match “Independent Audit are leading specialists in governance, risk and assurance.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
9	Riskbase	Exact match	Fulham, United KingdomHQ recorded Nov 5, 2026	11-50	18 contacts →
	Exact match “RiskBase is the fire and building safety platform built to replace static spreadsheets and tick-box compliance with the live, connected data you need to do the job properly.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
10	UHY BPR Heaton Chartered Accountants	Exact match	Leeds, United KingdomHQ recorded Nov 5, 2026	11-50	17 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 · Nov 5, 2026 · View company records in RevenueBase
11	Validera	Exact match	Burntwood, United KingdomHQ recorded Nov 5, 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 · Nov 5, 2026 · View company records in RevenueBase
12	Parker Russell UK	Exact match	City Of London, United KingdomHQ recorded Nov 5, 2026	201-500	14 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 · Nov 5, 2026 · View company records in RevenueBase
13	Cube Partners Limited	Exact match	Northampton, United KingdomHQ recorded Nov 5, 2026	11-50	13 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 · Nov 5, 2026 · View company records in RevenueBase
14	Just Audit	Exact match	Nottingham, United KingdomHQ recorded Nov 5, 2026	11-50	12 contacts →
	Exact match “When you work with us, you can expect a no-fuss, reliable audit.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
15	Zenith Audit UK LTD	Exact match	London, United KingdomHQ recorded Nov 5, 2026	1-10	12 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 · Nov 5, 2026 · View company records in RevenueBase
16	Xpact Financial Accountants And Management Consultants	Exact match	London, United KingdomHQ recorded Nov 5, 2026	1-10	12 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
17	Octa Accountants	Exact match	Essex, United KingdomHQ recorded Nov 5, 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 · Nov 5, 2026 · View company records in RevenueBase
18	Evolve North LTD	Exact match	Richmond, United KingdomHQ recorded Nov 5, 2026	11-50	11 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 · Nov 5, 2026 · View company records in RevenueBase
19	Xcina Consulting	Exact match	London, United KingdomHQ recorded Nov 5, 2026	11-50	11 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 · Nov 5, 2026 · View company records in RevenueBase
20	Samuels LLP	Exact match	Sevenoaks, United KingdomHQ recorded Nov 5, 2026	11-50	9 contacts →
	Exact match “Business Advisors, Chartered Accountants, Tax Consultants, Forensic Accountants and Registered Auditors.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
21	Aveiroe Europe LLP	Exact match	London, United KingdomHQ recorded Nov 5, 2026	11-50	9 contacts →
	Exact match “Unlock hidden value and boost profitability with our specialised Business Process and Recovery Audits.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
22	Mcmillan Woods Audits Limited	Exact match	London, United KingdomHQ recorded Nov 5, 2026	1-10	9 contacts →
	Exact match “We are your trusted partners in the world of audit and assurance.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
23	Caveris	Exact match	Amersham, United KingdomHQ recorded Nov 5, 2026	11-50	8 contacts →
	Exact match “We are passionate about supporting our clients with cost effective solutions to help them proactively manage risk.” Recorded in the RevenueBase company graph · Nov 5, 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 services”. 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 238 internal audit consulting services based in the United Kingdom

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

As of Nov 5, 2026

39.7%Verified-email coverage

7.4Average contacts per company

1-10Median size (employees)

40.8%Largest-city concentration · London

Nov 5, 2026Page data refreshed

Companies by employee count

1-10

170

11-50

51-200

201-500

1,001-5,000

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 238 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 “internal audit consulting services” 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 703 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 November 5, 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 services by metro

Internal audit consulting services in London97

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

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

RevenueBase identified 238 company matches for internal audit consulting services associated with the United Kingdom as of November 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?

Mazars In The 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 services?

London leads with 97 company records, followed by Manchester (5) 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 703 professional contacts with verified work emails tracked across these 238 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 November 5, 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.