Company lists · Data refreshed October 2026

Top 25 AI security posture management software companies based in the United Kingdom

RevenueBase identified 154 company matches for AI security posture management software companies associated with the United Kingdom as of October 2026 and tracks 2,270 professional contacts across them, including 1,066 with verified work emails. London is the largest hub.

This list covers company matches for AI security posture management software 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 October 19, 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 Oct 19, 2026 How this list was built
154Companies
2,270Contacts tracked
1,066Verified emails
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The 25 largest AI security posture management software companies based in the United Kingdom

Ranked by team size
Top 25 of 154 company matches for AI security posture management software companies based in the United Kingdom, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 19, 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 matchLondon, United KingdomHQ recorded Oct 19, 2026501-1,000505 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
2Exact matchLondon, United KingdomHQ recorded Oct 19, 2026201-500262 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
3Exact matchLondon, United KingdomHQ recorded Oct 19, 202651-20097 contacts →

Exact match

“Dedicated to securing the networks society depends on.”

Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
4Exact matchReading, United KingdomHQ recorded Oct 19, 202651-20093 contacts →

Exact match

“At OSL, our mission is to deliver adaptive security solutions that protect high-value, risk-prone areas by integrating innovative technologies designed to manage both aerial and…”

Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
5Exact matchLondon, United KingdomHQ recorded Oct 19, 202651-20082 contacts →

Exact match

“ThreatSpike is the world's first AI-managed IT and security platform, replacing the legacy MSP model entirely.”

Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
6Exact matchPort Solent, United KingdomHQ recorded Oct 19, 202651-20081 contacts →

Exact match

“Searchlight Cyber is a preemptive cybersecurity company helping organizations reduce exploitable exposure before attackers act.”

Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
7Exact matchLondon, United KingdomHQ recorded Oct 19, 202651-20075 contacts →

Exact match

“Trevonix is the trusted partner for businesses seeking secure, seamless, and scalable Identity and Access Management (IAM) solutions.”

Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
8Exact matchOxford, United KingdomHQ recorded Oct 19, 202651-20074 contacts →

Exact match

“Dionach by Nomios has over 25 years of expertise in information security, supporting organisations in building resilience against ever‑evolving cyber threats.”

Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
9Exact matchLondon, United KingdomHQ recorded Oct 19, 202651-20060 contacts →

Exact match

“Intruder's continuous exposure management platform helps security, IT, and engineering teams stop breaches before they start.”

Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
10Exact matchLondon, United KingdomHQ recorded Oct 19, 202611-5047 contacts →

Exact match

“Know what’s protected and gain a trusted view of your endpoints.”

Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
11Exact matchPortsmouth, United KingdomHQ recorded Oct 19, 202651-20046 contacts →

Exact match

“We are on a mission to simplify and scale cyber security by combining AI, automation, expert-led services, in a unified platform: giving every organisation, from MSPs to global…”

Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
12Exact matchCheltenham, United KingdomHQ recorded Oct 19, 202651-20044 contacts →

Exact match

“CoreTech is a specialist cyber security company whose people are motivated by the desire to deliver exceptional capabilities coupled with a real sense of mission.”

Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
13Exact matchCirencester, United KingdomHQ recorded Oct 19, 202611-5040 contacts →

Exact match

“We help organisations understand, optimise, and strengthen their cybersecurity.”

Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
14Exact matchStevenage, United KingdomHQ recorded Oct 19, 202651-20032 contacts →

Exact match

“Defense.com is transforming the way businesses manage cyber security by allowing them to easily identify, prioritise and remediate threats.”

Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
15Exact matchLondon, United KingdomHQ recorded Oct 19, 20261-1029 contacts →

Exact match

“SnapSec is a cybersecurity company specializing in centralized application security operations.”

Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
16Exact matchLondon, United KingdomHQ recorded Oct 19, 202611-5025 contacts →

Exact match

“RedHunt Labs is a research-driven cybersecurity company delivering Continuous Threat Exposure Management (CTEM), PTaaS, and AI Exposure Security.”

Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
17Exact matchLondon, United KingdomHQ recorded Oct 19, 202611-5017 contacts →

Exact match

“Demand more from your AI & Data Security partner.”

Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
18Exact matchLeeds, United KingdomHQ recorded Oct 19, 202611-5017 contacts →

Exact match

“Whatever you supply, design, build, manufacture, or grow, its excelling at it that has got your business to where it is today.”

Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
19Exact matchWimbledon, United KingdomHQ recorded Oct 19, 202651-20016 contacts →

Exact match

“Policy Monitor provides security policy management solutions and services to measure, manage and monitor cyber risk, and guard against cyber-attacks.”

Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
20Exact matchAbingdon, United KingdomHQ recorded Oct 19, 202611-5016 contacts →

Exact match

“Bringing the world #PositiveSecurity to build a safer, more secure world where more things go right.”

Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
21Exact matchCheltenham, United KingdomHQ recorded Oct 19, 202611-5015 contacts →

Exact match

“Hexiosec is the new name for Red Maple Technologies.”

Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
22Exact matchEdinburgh, United KingdomHQ recorded Oct 19, 202611-5015 contacts →

Exact match

“Trustify is a Cybersecurity software vendor based in Edinburgh, Scotland.”

Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
23Exact matchLondon, United KingdomHQ recorded Oct 19, 202611-5014 contacts →

Exact match

“ResilientX Security is a fast-growing Cyber Security company that helps organizations of all sizes identify, quantify and manage their cyber risks and cyber exposure.”

Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
24Exact matchLondon, United KingdomHQ recorded Oct 19, 202651-20014 contacts →

Exact match

“Runecast Solutions Ltd.”

Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
25Exact matchLondon, United KingdomHQ recorded Oct 19, 20261-1014 contacts →

Exact match

“VulnHero is an AI-driven continuous full-stack offensive security platform that helps teams see what scanners miss and focus on exploitable risk first.”

Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase

Showing 25 of 154 AI security posture management software companies based in the United Kingdom

See the full list, filter by size, metro and specialty, and access 1,066 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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AI security posture management software companies based in the United Kingdom at a glance

As of Oct 19, 2026
47.0%Verified-email coverage
14.7Average contacts per company
1-10Median size (employees)
44.8%Largest-city concentration · London
Oct 19, 2026Page data refreshed

Companies by employee count

1-10
82
11-50
52
51-200
17
201-500
2
501-1,000
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 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 “AI security posture management software 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 1,066 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 October 19, 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.

AI security posture management software companies 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 “AI security posture management software companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many AI security posture management software companies are there based in the United Kingdom?

RevenueBase identified 154 company matches for AI security posture management software companies associated with the United Kingdom as of October 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?

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

Which city has the most AI security posture management software companies?

London leads with 69 company records, followed by Manchester (7) and Birmingham (3).

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 1,066 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 October 19, 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.