Company lists · Data refreshed September 2026

Top 25 IT audit consulting companies based in the United Kingdom

RevenueBase identified 104 IT audit consulting companies headquartered in the United Kingdom as of September 2026 and tracks 1,173 professional contacts across them, including 183 with verified work emails. London is the largest hub.

This list covers IT 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 28, 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 28, 2026 86% judged on-target in blind review
104Companies
1,173Contacts tracked
183Verified emails
Explore this list → Free signup · no credit card · 500 free credits

The 25 largest IT audit consulting companies based in the United Kingdom

Ranked by team size
Top 25 of 104 IT audit consulting companies based in the United Kingdom, ranked by team size, largest first. Data refreshed Sep 28, 2026. RevenueBase Smart Search rates how each company's information relates to IT 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 28, 202651-200126 contacts →

Indirect evidence

“We are TRPGLOBAL, your strategic partner in helping you with the complexities of risk management.”

Source: RevenueBase Database · checked Sep 28, 2026
2Partial evidenceSolihull, United KingdomHQ checked Sep 28, 202611-5031 contacts →

Partial evidence

“SPECIALISTS IN IT SECURITY AND COMPLIANCE Our goal is to help customers define, develop and implement information security and compliance services, no matter what stage of the…”

Source: RevenueBase Database · checked Sep 28, 2026
3Partial evidenceDurham, United KingdomHQ checked Sep 28, 202651-20026 contacts →

Partial evidence

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

Source: RevenueBase Database · checked Sep 28, 2026
4Partial evidenceLondon, United KingdomHQ checked Sep 28, 202611-5020 contacts →

Partial evidence

“We at CF assist enterprises manage IT risks better.”

Source: RevenueBase Database · checked Sep 28, 2026
5Partial evidenceBurntwood, United KingdomHQ checked Sep 28, 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 28, 2026
6Indirect evidenceLeeds, United KingdomHQ checked Sep 28, 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 28, 2026
7Partial evidenceCity Of London, United KingdomHQ checked Sep 28, 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 28, 2026
8Partial evidenceDurham, United KingdomHQ checked Sep 28, 20261-1013 contacts →

Partial evidence

“EMBRACE CHANGE FEARLESSLY AND FLOURISH WITH ES SYSTEMS Did you know that 75% of businesses pay more for their IT?”

Source: RevenueBase Database · checked Sep 28, 2026
9Partial evidenceEssex, United KingdomHQ checked Sep 28, 20261-1013 contacts →

Partial evidence

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

Source: RevenueBase Database · checked Sep 28, 2026
10Partial evidenceNottingham, United KingdomHQ checked Sep 28, 202611-5010 contacts →

Partial evidence

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

Source: RevenueBase Database · checked Sep 28, 2026
11Partial evidenceLondon, United KingdomHQ checked Sep 28, 202611-509 contacts →

Partial evidence

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

Source: RevenueBase Database · checked Sep 28, 2026
12Partial evidenceLondon, United KingdomHQ checked Sep 28, 202611-509 contacts →

Partial evidence

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

Source: RevenueBase Database · checked Sep 28, 2026
13Indirect evidenceLondon, United KingdomHQ checked Sep 28, 202611-507 contacts →

Indirect evidence

“Through excellent consultancy we protect clients from reputation damage, financial penalties and the operational disruption associated with data incidents and cyberattacks.”

Source: RevenueBase Database · checked Sep 28, 2026
14Indirect evidenceAmersham, United KingdomHQ checked Sep 28, 202611-507 contacts →

Indirect evidence

“We are passionate about supporting our clients with cost effective solutions to help them proactively manage risk.”

Source: RevenueBase Database · checked Sep 28, 2026
15Partial evidenceLondon, United KingdomHQ checked Sep 28, 20261-107 contacts →

Partial evidence

“CyberSRC specialises in 1LoD & 2LoD Operational & IT Risk, Security and Control Management & Transformation through developing, implementing, auditing, risk assessing and managing…”

Source: RevenueBase Database · checked Sep 28, 2026
16Partial evidenceSwansea, United KingdomHQ checked Sep 28, 202611-507 contacts →

Partial evidence

“Many businesses are not fully utilising their IT infrastructure, missing out on opportunities for continuity, growth, and enhanced productivity.”

Source: RevenueBase Database · checked Sep 28, 2026
17Strong evidenceLondon, United KingdomHQ checked Sep 28, 20261-105 contacts →

Strong evidence

“Jefferson Tiley is a niche consultancy specialising in all recruitment relating to Internal Audit, IT Audit, Risk and Risk Management and Compliance.”

Source: RevenueBase Database · checked Sep 28, 2026
18Partial evidenceLondon, United KingdomHQ checked Sep 28, 20261-104 contacts →

Partial evidence

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

Source: RevenueBase Database · checked Sep 28, 2026
19Indirect evidenceCardiff, United KingdomHQ checked Sep 28, 20261-103 contacts →

Indirect evidence

“We help organisations manage risks to success.”

Source: RevenueBase Database · checked Sep 28, 2026
20Partial evidenceLondon, United KingdomHQ checked Sep 28, 20261-103 contacts →

Partial evidence

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

Source: RevenueBase Database · checked Sep 28, 2026
21Indirect evidenceLondon, United KingdomHQ checked Sep 28, 202611-502 contacts →

Indirect evidence

“Working closely with technology businesses to embed a controls culture and protect value for shareholders.”

Source: RevenueBase Database · checked Sep 28, 2026
22Partial evidenceAlderholt, United KingdomHQ checked Sep 28, 20261-102 contacts →

Partial evidence

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

Source: RevenueBase Database · checked Sep 28, 2026
23Indirect evidenceStroud, United KingdomHQ checked Sep 28, 20261-102 contacts →

Indirect evidence

“Founded by a former partner in a major professional services firm in 2019, we are dedicated to assisting small-to-medium sized enterprises worldwide.”

Source: RevenueBase Database · checked Sep 28, 2026
24Indirect evidenceCambridge, United KingdomHQ checked Sep 28, 202651-2001 contacts →

Indirect evidence

“Bridgeway (part of the Conosco Group) offers a fresh approach to information security and risk management.”

Source: RevenueBase Database · checked Sep 28, 2026
25Partial evidenceSheffield, United KingdomHQ checked Sep 28, 20261-101 contacts →

Partial evidence

“Decades of IT experience in a range of industries from manufacturing, property to financial services means we have a unique and full stack view.”

Source: RevenueBase Database · checked Sep 28, 2026

Showing 25 of 104 IT 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 183 reachable decision-makers.

Free signup · no credit card

View the full list →

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

As of Sep 28, 2026
15.6%Verified-email coverage
11.3Average contacts per company
1-10Median size (employees)
42.3%Largest-city concentration · London
Sep 28, 2026Page data refreshed

Companies by employee count

1-10
70
11-50
25
51-200
5
201-500
2
10001+
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 104 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 IT 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 “IT 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 IT 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 IT 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, 183 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 28, 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.

IT audit consulting companies by metro

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 IT 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 IT audit consulting companies are there based in the United Kingdom?

RevenueBase identified 104 IT 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?

Trpglobal, headquartered in London, tops this list with the largest team on record.

Which city has the most IT audit consulting companies?

London leads with 44 headquartered companies, followed by Birmingham (2) and Cambridge (2).

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 183 verified decision-maker contacts tracked across these 104 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 28, 2026.

Ready to reach these companies? Verified emails and direct dials for all 104 IT 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.