Company lists · Data refreshed September 2026

Top 23 Industrial cybersecurity companies based in the United Kingdom

Name: Industrial cybersecurity companies based in the United Kingdom
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 3, 2026 376 companies tracked

RevenueBase identified 376 company matches for industrial cybersecurity companies associated with the United Kingdom as of September 2026 and tracks 14,250 professional contacts across them, including 6,733 with verified work emails and 2,241 with mobile numbers. London is the largest hub.

This list covers company matches for industrial cybersecurity companies 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 3, 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 3, 2026 How this list was built

376Companies

14,250Contacts tracked

6,733Verified emails

2,241Mobile numbers

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The 23 largest industrial cybersecurity companies based in the United Kingdom

Ranked by team size

Top 23 of 376 company matches for industrial cybersecurity companies based in the United Kingdom, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 3, 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	Sophos	Exact match	Abingdon, United KingdomHQ recorded Sep 3, 2026	5,001-10,000	4,963 contacts →
	Exact match “Sophos is a cybersecurity leader defending organizations globally with an AI-driven platform and expert-led services.” Recorded in the RevenueBase company graph · Sep 3, 2026 · View company records in RevenueBase
2	Darktrace	Exact match	Cambridge, United KingdomHQ recorded Sep 3, 2026	1,001-5,000	2,590 contacts →
	Exact match “Darktrace is a global leader in AI cybersecurity, providing the essential cybersecurity platform to secure organizations today and for an ever-changing future.” Recorded in the RevenueBase company graph · Sep 3, 2026 · View company records in RevenueBase
3	Bridewell	Exact match	Reading, United KingdomHQ recorded Sep 3, 2026	201-500	304 contacts →
	Exact match “Bridewell is the trusted cyber security partner for organisations operating within Critical National Infrastructure (CNI), as well as companies who want the highest standard of…” Recorded in the RevenueBase company graph · Sep 3, 2026 · View company records in RevenueBase
4	Quorum Cyber	Exact match	Edinburgh, United KingdomHQ recorded Sep 3, 2026	201-500	292 contacts →
	Exact match “At Quorum Cyber, we're on a mission to help good people win.” Recorded in the RevenueBase company graph · Sep 3, 2026 · View company records in RevenueBase
5	Exclusive Networks UK	Exact match	Alton, United KingdomHQ recorded Sep 3, 2026	201-500	168 contacts →
	Exact match “Exclusive Networks is a global trusted cybersecurity specialist for digital infrastructure helping to drive the transition to a totally trusted digital future for all people and…” Recorded in the RevenueBase company graph · Sep 3, 2026 · View company records in RevenueBase
6	Sapphire	Exact match	Newcastle Upon Tyne, United KingdomHQ recorded Sep 3, 2026	51-200	165 contacts →
	Exact match “Sapphire delivers comprehensive cyber solutions tailored to your needs, spanning across consultancy, managed services, IT/OT and beyond.” Recorded in the RevenueBase company graph · Sep 3, 2026 · View company records in RevenueBase
7	Cyberfort	Exact match	Thatcham, United KingdomHQ recorded Sep 3, 2026	51-200	160 contacts →
	Exact match “At Cyberfort we are passionate about the cyber security services we deliver for our customers which keeps their people, data, systems and technology infrastructure secure…” Recorded in the RevenueBase company graph · Sep 3, 2026 · View company records in RevenueBase
8	Khipu Networks	Exact match	Fleet, United KingdomHQ recorded Sep 3, 2026	51-200	129 contacts →
	Exact match “KHIPU Networks is an award winning international Cyber Security Company delivering a wide range of network, wireless and security solutions, technologies and services across…” Recorded in the RevenueBase company graph · Sep 3, 2026 · View company records in RevenueBase
9	Bulletproof Cyber Security	Exact match	London, United KingdomHQ recorded Sep 3, 2026	51-200	118 contacts →
	Exact match “Bulletproof is now part of WorkNest Secure.” Recorded in the RevenueBase company graph · Sep 3, 2026 · View company records in RevenueBase
10	Titania LTD	Exact match	London, United KingdomHQ recorded Sep 3, 2026	51-200	89 contacts →
	Exact match “Dedicated to securing the networks society depends on.” Recorded in the RevenueBase company graph · Sep 3, 2026 · View company records in RevenueBase
11	ITC Secure	Exact match	London, United KingdomHQ recorded Sep 3, 2026	51-200	87 contacts →
	Exact match “ITC Secure is an advisory-led cyber security services company.” Recorded in the RevenueBase company graph · Sep 3, 2026 · View company records in RevenueBase
12	Cybersmart	Exact match	London, United KingdomHQ recorded Sep 3, 2026	51-200	83 contacts →
	Exact match “Cybersecurity should be simple.” Recorded in the RevenueBase company graph · Sep 3, 2026 · View company records in RevenueBase
13	Reliance Cyber	Exact match	Waterloo, United KingdomHQ recorded Sep 3, 2026	51-200	80 contacts →
	Exact match “At Reliance Cyber, we believe in truly partnering with our customers.” Recorded in the RevenueBase company graph · Sep 3, 2026 · View company records in RevenueBase
14	Eset UK	Exact match	Bournemouth, United KingdomHQ recorded Sep 3, 2026	51-200	66 contacts →
	Exact match “We help businesses and individuals stay protected in an increasingly complex digital world.” Recorded in the RevenueBase company graph · Sep 3, 2026 · View company records in RevenueBase
15	Cyro Cyber	Exact match	London, United KingdomHQ recorded Sep 3, 2026	51-200	63 contacts →
	Exact match “Cyro Cyber are your cyber security Guardians.” Recorded in the RevenueBase company graph · Sep 3, 2026 · View company records in RevenueBase
16	Hexegic	Exact match	London, United KingdomHQ recorded Sep 3, 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 3, 2026 · View company records in RevenueBase
17	Adarma Security	Exact match	Edinburgh, United KingdomHQ recorded Sep 3, 2026	201-500	52 contacts →
	Exact match “We are Adarma, independent leaders in detection and response services.” Recorded in the RevenueBase company graph · Sep 3, 2026 · View company records in RevenueBase
18	Satisnet, A Gamma Company	Exact match	Luton, United KingdomHQ recorded Sep 3, 2026	51-200	46 contacts →
	Exact match “Established in 2004 (acquired by Gamma in 2023), Satisnet, a Gamma company is a pedigree-proven cyber security services and solutions specialist with a fully UK-based 24x7x365 SOC.” Recorded in the RevenueBase company graph · Sep 3, 2026 · View company records in RevenueBase
19	Cybaverse	Exact match	Portsmouth, United KingdomHQ recorded Sep 3, 2026	51-200	40 contacts →
	Exact match “The all-in-one cyber security platform that grows with you.” Recorded in the RevenueBase company graph · Sep 3, 2026 · View company records in RevenueBase
20	Omerta	Exact match	Saffron Walden, United KingdomHQ recorded Sep 3, 2026	51-200	38 contacts →
	Exact match “Omerta - A Global Security Technology and Services Company.” Recorded in the RevenueBase company graph · Sep 3, 2026 · View company records in RevenueBase
21	Nothreat	Exact match	London, United KingdomHQ recorded Sep 3, 2026	11-50	36 contacts →
	Exact match “The future of IoT/OT security is here.” Recorded in the RevenueBase company graph · Sep 3, 2026 · View company records in RevenueBase
22	Cyberis	Exact match	Tewkesbury, United KingdomHQ recorded Sep 3, 2026	11-50	35 contacts →
	Exact match “Cyberis are pioneers in customer-focussed information security.” Recorded in the RevenueBase company graph · Sep 3, 2026 · View company records in RevenueBase
23	Jumpsec	Exact match	London, United KingdomHQ recorded Sep 3, 2026	51-200	35 contacts →
	Exact match “Adaptive Cyber Security JUMPSEC operates on a core principle: real attack insight drives stronger defence.” Recorded in the RevenueBase company graph · Sep 3, 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 “industrial 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 23 of 376 industrial cybersecurity companies based in the United Kingdom

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Industrial cybersecurity companies based in the United Kingdom at a glance

As of Sep 3, 2026

47.2%Verified-email coverage

15.7%Mobile-number coverage

37.9Average contacts per company

11-50Median size (employees)

42.8%Largest-city concentration · London

Sep 3, 2026Page data refreshed

Companies by employee count

1-10

187

11-50

120

51-200

201-500

501-1,000

1,001-5,000

5,001-10,000

10001+

Freshness & accuracy

How recently the business emails on this list were verified

Email last verified

00–30

55031–60

3,82561–90

2,26090–180

98180+

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 “industrial 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 6,733 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 3, 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.

Industrial cybersecurity companies by metro

Industrial cybersecurity companies in London161

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 “industrial cybersecurity companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many industrial cybersecurity companies are there based in the United Kingdom?

RevenueBase identified 376 company matches for industrial cybersecurity companies 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?

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

Which city has the most industrial cybersecurity companies?

London leads with 161 company records, followed by Manchester (15) and Cheltenham (7).

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 6,733 professional contacts with verified work emails tracked across these 376 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 3, 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.