Company lists · Data refreshed September 2026

Top 25 Cybersecurity intelligence platforms based in the United Kingdom

RevenueBase identified 1,206 cybersecurity intelligence platforms headquartered in the United Kingdom as of September 2026 and tracks 37,705 professional contacts across them, including 14,602 with verified work emails. London is the largest hub.

This list covers cybersecurity intelligence platforms 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
1,206Companies
37,705Contacts tracked
14,602Verified emails
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The 25 largest cybersecurity intelligence platforms based in the United Kingdom

Ranked by team size
Top 25 of 1,206 cybersecurity intelligence platforms 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 cybersecurity intelligence platforms: 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
1Strong evidenceAbingdon, United KingdomHQ checked Sep 28, 20265,001-10,0004,925 contacts →

Strong evidence

“Sophos is a cybersecurity leader defending organizations globally with an AI-driven platform and expert-led services.”

Source: RevenueBase Database · checked Sep 28, 2026
2Indirect evidenceLondon, United KingdomHQ checked Sep 28, 20261,001-5,0002,779 contacts →

Indirect evidence

“In a world drowning in data, we deliver clarity.”

Source: RevenueBase Database · checked Sep 28, 2026
3Strong evidenceCambridge, United KingdomHQ checked Sep 28, 20261,001-5,0002,355 contacts →

Strong evidence

“Darktrace is a global leader in AI cybersecurity, providing the essential cybersecurity platform to secure organizations today and for an ever-changing future.”

Source: RevenueBase Database · checked Sep 28, 2026
4Indirect evidenceLondon, United KingdomHQ checked Sep 28, 20261,001-5,0002,304 contacts →

Indirect evidence

“organizations.”

Source: RevenueBase Database · checked Sep 28, 2026
5Strong evidenceFolkestone, United KingdomHQ checked Sep 28, 2026n/a1,975 contacts →

Strong evidence

“Hack The Box is the leading AI-powered cybersecurity readiness and upskilling platform, trusted by 1,500+ organizations worldwide, including Fortune 500 enterprises, government…”

Source: RevenueBase Database · checked Sep 28, 2026
6Partial evidenceNorthampton, United KingdomHQ checked Sep 28, 202610001+1,508 contacts →

Partial evidence

“We are an intelligence-led security business.”

Source: RevenueBase Database · checked Sep 28, 2026
7Partial evidenceRomsey, United KingdomHQ checked Sep 28, 20261,001-5,000679 contacts →

Partial evidence

“At Roke, we stand at the forefront of defence and security, delivering cutting-edge intelligence and engineering solutions that protect nations, troops, borders, and businesses.”

Source: RevenueBase Database · checked Sep 28, 2026
8Indirect evidenceCroydon, United KingdomHQ checked Sep 28, 2026501-1,000608 contacts →

Indirect evidence

“In a complex global landscape, leaders need accurate information and full context quickly.”

Source: RevenueBase Database · checked Sep 28, 2026
9Partial evidenceLondon, United KingdomHQ checked Sep 28, 2026501-1,000502 contacts →

Partial evidence

“SecurityHQ, a global cybersecurity company pioneering Security Performance Engineering for stronger operational performance and resilience.”

Source: RevenueBase Database · checked Sep 28, 2026
10Partial evidenceLondon, United KingdomHQ checked Sep 28, 2026201-500351 contacts →

Partial evidence

“S-RM is a global intelligence and cyber security consultancy.”

Source: RevenueBase Database · checked Sep 28, 2026
11Indirect evidenceReading, United KingdomHQ checked Sep 28, 2026201-500303 contacts →

Indirect evidence

“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…”

Source: RevenueBase Database · checked Sep 28, 2026
12Indirect evidenceEdinburgh, United KingdomHQ checked Sep 28, 2026201-500297 contacts →

Indirect evidence

“At Quorum Cyber, we're on a mission to help good people win.”

Source: RevenueBase Database · checked Sep 28, 2026
13Indirect evidenceLondon, United KingdomHQ checked Sep 28, 2026201-500242 contacts →

Indirect evidence

“Obrela Security Industries is a global provider of cyber security services.”

Source: RevenueBase Database · checked Sep 28, 2026
14Indirect evidenceLondon, United KingdomHQ checked Sep 28, 2026201-500239 contacts →

Indirect evidence

“With over 18 years of experience in Cyber Security and Compliance, MetaCompliance provides a smart, practical solution for managing human risk.”

Source: RevenueBase Database · checked Sep 28, 2026
15Partial evidenceLondon, United KingdomHQ checked Sep 28, 2026201-500238 contacts →

Partial evidence

“Signal AI is a leading reputation and risk intelligence company helping business leaders make sense of the outside world.”

Source: RevenueBase Database · checked Sep 28, 2026
16Partial evidenceLondon, United KingdomHQ checked Sep 28, 202651-200187 contacts →

Partial evidence

“Headquartered in London U.K, Gorilla is a global solution provider in Security Intelligence, Network Intelligence, Business Intelligence and IoT technology.”

Source: RevenueBase Database · checked Sep 28, 2026
17Indirect evidenceLondon, United KingdomHQ checked Sep 28, 202651-200177 contacts →

Indirect evidence

“Whether you’re a business or an individual, digital threats to your precious data and assets can come in any form - external or internal.”

Source: RevenueBase Database · checked Sep 28, 2026
18Indirect evidenceLondon, United KingdomHQ checked Sep 28, 2026n/a171 contacts →

Indirect evidence

“Security Blue Team is now Centri.”

Source: RevenueBase Database · checked Sep 28, 2026
19Indirect evidenceNewcastle Upon Tyne, United KingdomHQ checked Sep 28, 202651-200168 contacts →

Indirect evidence

“Sapphire delivers comprehensive cyber solutions tailored to your needs, spanning across consultancy, managed services, IT/OT and beyond.”

Source: RevenueBase Database · checked Sep 28, 2026
20Partial evidenceAlton, United KingdomHQ checked Sep 28, 2026201-500165 contacts →

Partial evidence

“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…”

Source: RevenueBase Database · checked Sep 28, 2026
21Indirect evidenceThatcham, United KingdomHQ checked Sep 28, 202651-200159 contacts →

Indirect evidence

“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…”

Source: RevenueBase Database · checked Sep 28, 2026
22Partial evidenceMaidenhead, United KingdomHQ checked Sep 28, 202651-200156 contacts →

Partial evidence

“Performanta is a global cybersecurity and data risk management company dedicated to protecting people where data matters most.”

Source: RevenueBase Database · checked Sep 28, 2026
23Indirect evidenceBradley Stoke, United KingdomHQ checked Sep 28, 2026201-500143 contacts →

Indirect evidence

“Logiq is a UK-based cyber security consultancy and secure managed services provider supporting defence, government, and critical national infrastructure (CNI) organisations where…”

Source: RevenueBase Database · checked Sep 28, 2026
24Partial evidenceCambridge, United KingdomHQ checked Sep 28, 202651-200141 contacts →

Partial evidence

“i2 is the only intelligence analysis software that arms analysts with the advanced fusion and multi-dimensional analytics they need to create actionable intelligence to detect…”

Source: RevenueBase Database · checked Sep 28, 2026
25Indirect evidenceFleet, United KingdomHQ checked Sep 28, 202651-200125 contacts →

Indirect evidence

“KHIPU Networks is an award winning international Cyber Security Company delivering a wide range of network, wireless and security solutions, technologies and services across…”

Source: RevenueBase Database · checked Sep 28, 2026

Showing 25 of 1,206 cybersecurity intelligence platforms based in the United Kingdom

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Cybersecurity intelligence platforms based in the United Kingdom at a glance

As of Sep 28, 2026
38.7%Verified-email coverage
31.3Average contacts per company
1-10Median size (employees)
48.3%Largest-city concentration · London
Sep 28, 2026Page data refreshed

Companies by employee count

1-10
648
11-50
373
51-200
127
201-500
27
501-1,000
6
1,001-5,000
19
5,001-10,000
3
10001+
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 1,206 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 cybersecurity intelligence platforms, 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 “cybersecurity intelligence platforms”. 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 cybersecurity intelligence platforms), 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 cybersecurity intelligence platforms, 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, 14,602 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.

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 cybersecurity intelligence platforms, 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 cybersecurity intelligence platforms are there based in the United Kingdom?

RevenueBase identified 1,206 cybersecurity intelligence platforms 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?

Sophos, headquartered in Abingdon, tops this list with the largest team on record.

Which city has the most cybersecurity intelligence platforms?

London leads with 582 headquartered companies, followed by Manchester (46) and Birmingham (23).

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 14,602 verified decision-maker contacts tracked across these 1,206 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.

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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 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.