Company lists · Data refreshed November 2026

Top 25 Cybersecurity training nonprofits based in the United Kingdom

RevenueBase identified 498 company matches for cybersecurity training nonprofits associated with the United Kingdom as of November 2026 and tracks 11,920 professional contacts across them, including 1,322 with verified work emails. London is the largest hub.

This list covers company matches for cybersecurity training nonprofits 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
498Companies
11,920Contacts tracked
1,322Verified emails
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The 25 largest cybersecurity training nonprofits based in the United Kingdom

Ranked by team size
Top 25 of 498 company matches for cybersecurity training nonprofits 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 matchLondon, United KingdomHQ recorded Nov 5, 2026n/a2,743 contacts →

Exact match

“TryHackMe takes the pain out of learning and teaching Cybersecurity.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
2Exact matchFolkestone, United KingdomHQ recorded Nov 5, 2026n/a1,760 contacts →

Exact match

“Hack The Box is the leading cyber readiness platform for the human-AI cyber workforce, helping organizations develop and measure the capabilities of the people and AI agents…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
3Exact matchManchester, United KingdomHQ recorded Nov 5, 2026n/a233 contacts →

Exact match

“At CAPSLOCK, we’re redefining how adults transition into cyber security.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
4Exact matchLondon, United KingdomHQ recorded Nov 5, 2026n/a185 contacts →

Exact match

“Security Blue Team is now Centri.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
5Exact matchStourport-on-severn, United KingdomHQ recorded Nov 5, 2026201-50090 contacts →

Exact match

“CyberGuard Technologies is the security division of Wavenet.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
6Exact 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
7Exact matchReading, United KingdomHQ recorded Nov 5, 202651-20085 contacts →

Exact match

“Established in 2005, URM Consulting is a specialist provider of cyber and information security consultancy, training, and assurance services.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
8Exact matchLondon, United KingdomHQ recorded Nov 5, 202651-20072 contacts →

Exact match

“YOU DESERVE TO BE HACKED®.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
9Exact matchLondon, United KingdomHQ recorded Nov 5, 2026n/a61 contacts →

Exact match

“Tailored cybersecurity upskilling platform for all levels, catering to beginners and pros.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
10Exact matchMacclesfield, United KingdomHQ recorded Nov 5, 202611-5057 contacts →

Exact match

“MDSec are a UK based consultancy with a passion for information security.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
11Exact matchCardiff, United KingdomHQ recorded Nov 5, 202611-5056 contacts →

Exact match

“PureCyber is an award-winning, expert Cyber Security Consultancy.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
12Exact matchSwansea, United KingdomHQ recorded Nov 5, 2026201-50052 contacts →

Exact match

“SANS is the world's largest and most trusted provider of cyber security training.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
13Exact matchCrawley, United KingdomHQ recorded Nov 5, 202611-5045 contacts →

Exact match

“ERGOS is an award-winning IT Managed Service Provider.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
14Exact 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
15Exact matchSaffron Walden, United KingdomHQ recorded Nov 5, 202651-20038 contacts →

Exact match

“Omerta - A Global Security Technology and Services Company.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
16Exact matchBirmingham, United KingdomHQ recorded Nov 5, 202611-5037 contacts →

Exact match

“Aristi is a specialist provider of cyber security services with over 17 years of experience.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
17Exact matchLancaster, United KingdomHQ recorded Nov 5, 202611-5037 contacts →

Exact match

“Cyber security can feel overwhelming.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
18Exact matchLeeds, United KingdomHQ recorded Nov 5, 202611-5036 contacts →

Exact match

“Boxphish is a low touch cyber-SAT platform that arms organisations and their people, with the tools and knowledge needed to spot cyber attacks.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
19Exact matchPenzance, United KingdomHQ recorded Nov 5, 202611-5034 contacts →

Exact match

“There is no change without changemakers.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
20Exact matchEdinburgh, United KingdomHQ recorded Nov 5, 202611-5033 contacts →

Exact match

“The Cyber and Fraud Centre – Scotland is a leading and trusted provider of cyber services, training and advice.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
21Exact matchLondon, United KingdomHQ recorded Nov 5, 2026n/a33 contacts →

Exact match

“Cyber PATH is an elite talent pipeline for the next generation of specialists in cyber resilience.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
22Exact matchCambridge, United KingdomHQ recorded Nov 5, 202611-5032 contacts →

Exact match

“Pentesting Exams by Pentesting Experts.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
23Exact matchLondon, United KingdomHQ recorded Nov 5, 202651-20032 contacts →

Exact match

“Founded in 2006, Torrid Networks has been able to establish strong credentials in the area of cyber security products, research, consulting, managed services, education and staff…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
24Exact matchCambridge, United KingdomHQ recorded Nov 5, 202611-5031 contacts →

Exact match

“CyberWarfare Labs (CWL) is a global cyber security education platform on a single mission, making practical cybersecurity Accessible, Affordable, and Unstoppable.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
25Exact matchPortsmouth, United KingdomHQ recorded Nov 5, 202611-5029 contacts →

Exact match

“Imagine a world where cyber threats are simply another challenge that you're fully equipped to handle.”

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

Showing 25 of 498 cybersecurity training nonprofits based in the United Kingdom

See the full list, filter by size, metro and specialty, and access 1,322 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Cybersecurity training nonprofits based in the United Kingdom at a glance

As of Nov 5, 2026
11.1%Verified-email coverage
23.9Average contacts per company
1-10Median size (employees)
38.2%Largest-city concentration · London
Nov 5, 2026Page data refreshed

Companies by employee count

1-10
337
11-50
133
51-200
19
201-500
7
1,001-5,000
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 498 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 “cybersecurity training nonprofits” 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 1,322 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.

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

How many cybersecurity training nonprofits are there based in the United Kingdom?

RevenueBase identified 498 company matches for cybersecurity training nonprofits 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?

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

Which city has the most cybersecurity training nonprofits?

London leads with 190 company records, followed by Manchester (28) and Cheltenham (13).

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 1,322 professional contacts with verified work emails tracked across these 498 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.