Company lists · Data refreshed September 2026

Top 25 Law firm cybersecurity companies based in London, United Kingdom

Name: Law firm cybersecurity companies based in London, United Kingdom
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 28, 2026 144 companies tracked

RevenueBase identified 144 company matches for law firm cybersecurity companies associated with London, United Kingdom as of September 2026 and tracks 1,913 professional contacts across them, including 292 with verified work emails. Across the United Kingdom, London is the largest hub for this category.

This list covers company matches for law firm cybersecurity companies associated with London, 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 28, 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 28, 2026 How this list was built

144Companies

1,913Contacts tracked

292Verified emails

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The 25 largest law firm cybersecurity companies based in London, United Kingdom

Ranked by team size

Top 25 of 144 company matches for law firm cybersecurity companies based in London, United Kingdom, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 28, 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	Bulletproof Cyber Security	Exact match	London, United KingdomHQ recorded Sep 28, 2026	51-200	123 contacts →
	Exact match “Bulletproof is now part of WorkNest Secure.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
2	Hexegic	Exact match	London, United KingdomHQ recorded Sep 28, 2026	51-200	52 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 · Sep 28, 2026 · View company records in RevenueBase
3	Stuart Miller Solicitors	Exact match	London, United KingdomHQ recorded Sep 28, 2026	11-50	43 contacts →
	Exact match “Stuart Miller Solicitors have been able to exceed their goal of gaining a high reputation among others in the field, an achievement made possible by the high calibre of employees…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
4	Cyxcel	Exact match	London, United KingdomHQ recorded Sep 28, 2026	51-200	22 contacts →
	Exact match “CyXcel is a digital risk advisory firm built for a new era.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
5	CYPRO	Exact match	London, United KingdomHQ recorded Sep 28, 2026	11-50	21 contacts →
	Exact match “Secure.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
6	Iceberg	Exact match	London, United KingdomHQ recorded Sep 28, 2026	1-10	20 contacts →
	Exact match “We connect top cybersecurity and eDiscovery talent at Iceberg Cyber Security with the most innovative companies worldwide.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
7	Secure Purple	Exact match	London, United KingdomHQ recorded Sep 28, 2026	11-50	20 contacts →
	Exact match “Secure Purple is a leading cyber security and digital safety firm that provides innovative solutions and services to help organisations and individuals stay protected in the…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
8	Sinevis	Exact match	London, United KingdomHQ recorded Sep 28, 2026	11-50	17 contacts →
	Exact match “We are a leading cybersecurity services organization with more than a decade of proven expertise in consulting, solution implementation and managed services.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
9	Barefoot Cyber	Exact match	London, United KingdomHQ recorded Sep 28, 2026	11-50	16 contacts →
	Exact match “Barefoot Cyber is the strategic partner for senior leaders who recognize that a cybersecurity attack is not just a technical failure, but a direct threat to their revenue…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
10	Datasixth Consulting	Exact match	London, United KingdomHQ recorded Sep 28, 2026	51-200	15 contacts →
	Exact match “Who We Are DataSixth delivers Cybersecurity Intelligence.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
11	Netrascale	Exact match	London, United KingdomHQ recorded Sep 28, 2026	11-50	15 contacts →
	Exact match “At NetraScale, we help businesses navigate the ever-evolving cybersecurity landscape with confidence.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
12	Salient Ediscovery	Exact match	London, United KingdomHQ recorded Sep 28, 2026	51-200	13 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 · Sep 28, 2026 · View company records in RevenueBase
13	Socguardians LTD	Exact match	London, United KingdomHQ recorded Sep 28, 2026	11-50	13 contacts →
	Exact match “Our mission at SOCGuardians is to empower organizations to operate confidently in a digital world by providing cutting-edge cybersecurity services.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
14	Disclosure Cybersecurity	Exact match	London, United KingdomHQ recorded Sep 28, 2026	11-50	11 contacts →
	Exact match “Disclosure Cybersecurity Ltd is a specialist cyber security company, formed by professionals with extensive experience and wide exposure in the cyber security market.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
15	2-Sec	Exact match	London, United KingdomHQ recorded Sep 28, 2026	11-50	11 contacts →
	Exact match “At 2\|SEC Consulting, we deliver an end-to-end service of cyber and information security solutions which are tailored to each client’s exact security needs.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
16	First Response	Exact match	London, United KingdomHQ recorded Sep 28, 2026	11-50	11 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 · Sep 28, 2026 · View company records in RevenueBase
17	Digiphile	Exact match	London, United KingdomHQ recorded Sep 28, 2026	1-10	8 contacts →
	Exact match “Digiphile is a challenger law firm specialising in UK and EU data protection and cybersecurity advice.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
18	Kloudwerk	Exact match	London, United KingdomHQ recorded Sep 28, 2026	1-10	7 contacts →
	Exact match “Kloudwerk offers a game-changing approach to cyber security consulting for SMEs.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
19	Threat Protect	Exact match	London, United KingdomHQ recorded Sep 28, 2026	1-10	7 contacts →
	Exact match “Threat Protect is a vendor-agnostic cybersecurity, compliance and AI governance partner based in London, working with organisations across finance, legal, energy, pharma…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
20	Kemp IT LAW	Exact match	London, United KingdomHQ recorded Sep 28, 2026	1-10	6 contacts →
	Exact match “Kemp IT Law is a specialist Tech law firm.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
21	Moore Clearcomm	Exact match	London, United KingdomHQ recorded Sep 28, 2026	501-1,000	6 contacts →
	Exact match “Moore ClearComm, part of Moore Kingston Smith, is a leading professional services firm and listed within the top 10* accountants and business advisers within the UK.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
22	Bell ICT	Exact match	London, United KingdomHQ recorded Sep 28, 2026	1-10	5 contacts →
	Exact match “From the little niggles to the large networks It’s the little things that are vital whether you have a website, online accounts or any type of web-based infrastructure.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
23	Rexel Cybersecurity	Exact match	London, United KingdomHQ recorded Sep 28, 2026	11-50	5 contacts →
	Exact match “At Rexel Cyber we help businesses fight the constant threat of cyber attack and data breach.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
24	River Oakfield	Exact match	London, United KingdomHQ recorded Sep 28, 2026	11-50	4 contacts →
	Exact match “River Oakfield is a global cyber security firm which provides tailored solutions to individuals, business leaders and enterprise clients.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
25	Cynance	Exact match	London, United KingdomHQ recorded Sep 28, 2026	11-50	4 contacts →
	Exact match “Cynance is a business-driven cybersecurity and data protection consulting and Cyber tech reselling firm, trusted by organizations across the UK, EU, and worldwide.” Recorded in the RevenueBase company graph · Sep 28, 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 “law firm cybersecurity 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 25 of 144 law firm cybersecurity companies based in London, United Kingdom

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Law firm cybersecurity companies based in London, United Kingdom at a glance

As of Sep 28, 2026

15.3%Verified-email coverage

13.3Average contacts per company

1-10Median size (employees)

Sep 28, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

501-1,000

Email recency for this list is measured across the whole United Kingdom list rather than for London, so it is reported there. Company counts and contact totals on this page are exact for London, over 144 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 London, United Kingdom whose business descriptions match “law firm cybersecurity 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 292 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 28, 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 “law firm cybersecurity companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many law firm cybersecurity companies are there based in London, United Kingdom?

RevenueBase identified 144 company matches for law firm cybersecurity companies associated with London, 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?

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

Which city in the United Kingdom has the most law firm cybersecurity companies?

London leads the United Kingdom with 144 company records, followed by Manchester (17) and Cheltenham (9).

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 292 professional contacts with verified work emails tracked across these 144 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 28, 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.