Company lists · Data refreshed September 2026

Top 25 Compliance and security consultants based in the United Kingdom

RevenueBase identified 763 company matches for compliance and security consultants associated with the United Kingdom as of September 2026 and tracks 5,779 professional contacts across them, including 1,797 with verified work emails. London is the largest hub.

This list covers company matches for compliance and security consultants 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 27, 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 27, 2026 How this list was built
763Companies
5,779Contacts tracked
1,797Verified emails
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The 25 largest compliance and security consultants based in the United Kingdom

Ranked by team size
Top 25 of 763 company matches for compliance and security consultants based in the United Kingdom, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 27, 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 matchCardiff, United KingdomHQ recorded Sep 27, 20261,001-5,000453 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
2Exact matchLondon, United KingdomHQ recorded Sep 27, 202651-200134 contacts →

Exact match

“Turnkey Consulting brings together people, protection, and performance to help the world’s leading companies understand and optimize their risk and security landscape.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
3Exact matchLondon, United KingdomHQ recorded Sep 27, 202651-200126 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
4Exact matchLondon, United KingdomHQ recorded Sep 27, 202651-200123 contacts →

Exact match

“Bulletproof is now part of WorkNest Secure.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
5Exact matchLondon, United KingdomHQ recorded Sep 27, 2026201-50097 contacts →

Exact match

“As an independent IT security specialist, Caretower provide comprehensive solutions to individual problems, thus allowing our recommendations to be unbiased.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
6Exact matchLeeds, United KingdomHQ recorded Sep 27, 202651-20090 contacts →

Exact match

“Solutions | Testing | Knowledge Helping You Protect Your Business From Cyber Attackers Your security and compliance partner, delivering trust worldwide Cognisys are your trusted…”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
7Exact matchBasingstoke, United KingdomHQ recorded Sep 27, 202611-5085 contacts →

Exact match

“Amethyst Risk Management is a leading cybersecurity consultancy supplying expert services and support to the UK Government, Defence, Operators of Essential Services, and the…”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
8Exact matchReading, United KingdomHQ recorded Sep 27, 202651-20081 contacts →

Exact match

“Established in 2005, URM Consulting is a specialist provider of cyber and information security consultancy, training, and assurance services.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
9Exact matchHigh Wycombe, United KingdomHQ recorded Sep 27, 202651-20074 contacts →

Exact match

“Saepio increase awareness, reduce risk and improve security in a continually evolving threat landscape.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
10Exact matchSouthampton, United KingdomHQ recorded Sep 27, 202651-20060 contacts →

Exact match

“Many organisations are dealing with multiple frameworks, overlapping tools, disconnected ownership, and increasing pressure from regulators, customers, and boards.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
11Exact matchAlderley Edge, United KingdomHQ recorded Sep 27, 202651-20057 contacts →

Exact match

“CyberLab is the UK-leading cyber security consultancy and managed services provider, trusted by over 1,200 enterprise businesses, government departments, and household names to…”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
12Exact matchEly, United KingdomHQ recorded Sep 27, 2026201-50050 contacts →

Exact match

“IT Governance is a leading global provider of IT governance, risk management, penetration testing and compliance solutions, with a special focus on cyber resilience, data…”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
13Exact matchWilmslow, United KingdomHQ recorded Sep 27, 202651-20043 contacts →

Exact match

“Paradigm Consulting is a premier provider of compliance support to the UK's financial services community, including directly authorised wealth managers, financial advisers and…”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
14Exact matchLeeds, United KingdomHQ recorded Sep 27, 202611-5039 contacts →

Exact match

“Data Protection People are specialists in Data Protection and Information Security.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
15Exact matchManchester, United KingdomHQ recorded Sep 27, 202611-5036 contacts →

Exact match

“Secarma exists to keep the world safe.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
16Exact matchLondon, United KingdomHQ recorded Sep 27, 202651-20036 contacts →

Exact match

“Welcome to Complyport - member of ComplyMAP Group!”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
17Exact matchEly, United KingdomHQ recorded Sep 27, 202651-20035 contacts →

Exact match

“GRC International Group plc is the holding company for a group of companies providing a range of products and services to address the IT governance, risk management and compliance…”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
18Exact matchBirmingham, United KingdomHQ recorded Sep 27, 202611-5032 contacts →

Exact match

“Aristi is a specialist provider of cyber security services with over 17 years of experience.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
19Exact matchSolihull, United KingdomHQ recorded Sep 27, 202611-5031 contacts →

Exact match

“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…”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
20Exact matchLancaster, United KingdomHQ recorded Sep 27, 202611-5030 contacts →

Exact match

“Cyber security can feel overwhelming.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
21Exact matchLondon, United KingdomHQ recorded Sep 27, 20261-1029 contacts →

Exact match

“Cyber Rescue is a leading specialist in helping Boardroom Executives to measure, monitor and mitigate potential harm from cyber-attacks.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
22Exact matchAltrincham, United KingdomHQ recorded Sep 27, 202611-5026 contacts →

Exact match

“Based in Manchester UK, we are an independent Cyber Security Consultancy providing Security services across a wide range of markets, from multi-national Corporate Organisations…”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
23Exact matchLondon, United KingdomHQ recorded Sep 27, 202611-5025 contacts →

Exact match

“Through our consultative approach, specialised skills and innovative delivery model, Bowmen Group successfully implements some of the largest, most complex and notable unified…”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
24Exact matchBristol, United KingdomHQ recorded Sep 27, 202611-5024 contacts →

Exact match

“i3Secure is a cyber security and information assurance consultancy protecting the confidentiality, integrity and availability of data across defence, public and private sectors.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
25Exact matchCheltenham, United KingdomHQ recorded Sep 27, 202611-5023 contacts →

Exact match

“AMR CyberSecurity delivers next generation cyber security services to assist organisations across a wide variety of sectors in understanding potential threats and effectively…”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase

Showing 25 of 763 compliance and security consultants based in the United Kingdom

See the full list, filter by size, metro and specialty, and access 1,797 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Compliance and security consultants based in the United Kingdom at a glance

As of Sep 27, 2026
31.1%Verified-email coverage
7.6Average contacts per company
1-10Median size (employees)
33.7%Largest-city concentration · London
Sep 27, 2026Page data refreshed

Companies by employee count

1-10
556
11-50
160
51-200
32
201-500
7
501-1,000
3
1,001-5,000
1
5,001-10,000
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 763 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 “compliance and security consultants” 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 1,797 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 27, 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.

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 “compliance and security consultants”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many compliance and security consultants are there based in the United Kingdom?

RevenueBase identified 763 company matches for compliance and security consultants 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?

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

Which city has the most compliance and security consultants?

London leads with 257 company records, followed by Manchester (21) and Birmingham (16).

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 1,797 professional contacts with verified work emails tracked across these 763 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 27, 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.