Company lists · Data refreshed November 2026

Top 24 Cyber security attorneys based in the United Kingdom

RevenueBase identified 154 company matches for cyber security attorneys associated with the United Kingdom as of November 2026 and tracks 1,338 professional contacts across them, including 585 with verified work emails. London is the largest hub.

This list covers company matches for cyber security attorneys 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
154Companies
1,338Contacts tracked
585Verified emails
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The 24 largest cyber security attorneys based in the United Kingdom

Ranked by team size
Top 24 of 154 company matches for cyber security attorneys 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.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchHigh Wycombe, United KingdomHQ recorded Nov 5, 202651-20086 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
2Exact matchSouthampton, United KingdomHQ recorded Nov 5, 202651-20072 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 · Nov 5, 2026 · View company records in RevenueBase
3Exact matchLondon, United KingdomHQ recorded Nov 5, 202651-20063 contacts →

Exact match

“At Hexegic we are not just passionate about protecting data through our Cyber services we are passionate about helping companies release the potential of the data they hold…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
4Exact matchCheadle, United KingdomHQ recorded Nov 5, 202651-20043 contacts →

Exact match

“Mitigo Group keeps professional services firms safe from cyberattack and operationally resilient.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
5Exact matchLondon, United KingdomHQ recorded Nov 5, 202611-5027 contacts →

Exact match

“At AmberWolf, we believe that the foundation of exceptional cyber security lies in a dual commitment: to master the intricacies of our clients' businesses and to excel in the vast…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
6Exact matchCheltenham, United KingdomHQ recorded Nov 5, 202611-5026 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 · Nov 5, 2026 · View company records in RevenueBase
7Exact matchLeeds, United KingdomHQ recorded Nov 5, 202611-5025 contacts →

Exact match

“One Compliance are data privacy & cyber security specialists that focus on improving our clients security posture so that they can prioritise and mitigate security risks…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
8Exact matchTewkesbury, United KingdomHQ recorded Nov 5, 202611-5024 contacts →

Exact match

“Cyberis are pioneers in customer-focussed information security.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
9Exact matchCheltenham, United KingdomHQ recorded Nov 5, 202651-20021 contacts →

Exact match

“IRM, part of the Capgemini Group, works to defend organisations against cyber threats.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
10Exact matchLondon, United KingdomHQ recorded Nov 5, 20261-1017 contacts →

Exact match

“We support our clients to comply with the law.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
11Exact matchCambridge, United KingdomHQ recorded Nov 5, 202611-5016 contacts →

Exact match

“Digital Forensics, Incident Response & Data Breach Management Services 3B Data Security is an approved PCI SSC PCI Forensic Investigator (PFI) and Qualified Security Assessor…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
12Exact matchTunbridge Wells, United KingdomHQ recorded Nov 5, 202611-5014 contacts →

Exact match

“Razorthorn Security is a specialist cybersecurity consultancy founded in 2007, with nearly two decades of experience helping organisations protect their data, their systems and…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
13Exact matchBirmingham, United KingdomHQ recorded Nov 5, 2026201-50012 contacts →

Exact match

“Best penetration testing service - Teiss Awards 2024 Managed cloud service winner - Stratus Awards 2023 Security vendor of the year - Computing security excellence awards 2023…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
14Exact matchLondon, United KingdomHQ recorded Nov 5, 202651-20012 contacts →

Exact match

“At Salient, we pride ourselves on the diverse skill sets and extraordinary experience that enable our teams to bring invaluable insights and exceptional adaptability to each and…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
15Exact matchTeddington, United KingdomHQ recorded Nov 5, 202611-5012 contacts →

Exact match

“With over 40 years of information security experience, Hytec, a Civica company, is a trusted partner for organisations looking for expert, specialised cyber security protection.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
16Exact matchLondon, United KingdomHQ recorded Nov 5, 20261-1011 contacts →

Exact match

“We are an innovative data protection law firm offering legal data protection advice, outsourced DPO services and data protection training.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
17Exact matchLondon, United KingdomHQ recorded Nov 5, 202611-5011 contacts →

Exact match

“First Response is a London based specialist cybersecurity, cyber incident response and digital investigation company that helps organisations navigate the complex issues…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
18Exact matchLondon, United KingdomHQ recorded Nov 5, 202611-5010 contacts →

Exact match

“Data Protection and Privacy Law firm, Training and Consultancy.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
19Exact matchLondon, United KingdomHQ recorded Nov 5, 202611-5010 contacts →

Exact match

“Simplified Solutions protects organisation’s most valuable asset – Financial, Customer, Employee and Transactional Data.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
20Exact matchGlasgow, United KingdomHQ recorded Nov 5, 202611-509 contacts →

Exact match

“FullProxy are a rapidly growing cyber security consultancy providing world class cyber security advisory and solutions to reduce cyber risk and optimise return on technology…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
21Exact matchLondon, United KingdomHQ recorded Nov 5, 202611-509 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
22Exact matchOxford, United KingdomHQ recorded Nov 5, 20261-109 contacts →

Exact match

“Clayden Law is a leading, specialist information technology, data privacy and cybersecurity law firm in the Thames Valley.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
23Exact matchNewcastle Upon Tyne, United KingdomHQ recorded Nov 5, 202611-509 contacts →

Exact match

“Infosec Advisory Group are a group of consulting organisations established in 2006.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
24Exact matchLondon, United KingdomHQ recorded Nov 5, 202611-508 contacts →

Exact match

“Alston Asquith is a specialist commercial and technology law firm serving innovative companies and industry leading organisations across a range of technology, digital media and…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase

Showing 24 of 154 cyber security attorneys based in the United Kingdom

See the full list, filter by size, metro and specialty, and access 585 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Cyber security attorneys based in the United Kingdom at a glance

As of Nov 5, 2026
43.7%Verified-email coverage
8.7Average contacts per company
1-10Median size (employees)
44.8%Largest-city concentration · London
Nov 5, 2026Page data refreshed

Companies by employee count

1-10
101
11-50
38
51-200
11
201-500
2
501-1,000
2

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 154 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 “cyber security attorneys” 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 585 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.

Cyber security attorneys 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 “cyber security attorneys”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many cyber security attorneys are there based in the United Kingdom?

RevenueBase identified 154 company matches for cyber security attorneys 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?

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

Which city has the most cyber security attorneys?

London leads with 69 company records, followed by Cheltenham (4) and Manchester (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 585 professional contacts with verified work emails tracked across these 154 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.