Company lists · Data verified August 2026

Top 25 Cybersecurity training courses based in the United Kingdom

Name: Cybersecurity training courses based in the United Kingdom
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 131 companies tracked

There are 131 cybersecurity training courses headquartered in the United Kingdom (RevenueBase, August 2026). RevenueBase tracks 4,313 professional contacts across them, including 377 with verified work emails and 128 with mobile numbers. London is the largest hub.

This list covers cybersecurity training courses headquartered in the United Kingdom, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Data current as of August 28, 2026.

131Companies

4,313Contacts tracked

377Verified emails

128Mobile numbers

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The 25 largest cybersecurity training courses based in the United Kingdom

Ranked by team size

Top 25 of 131 cybersecurity training courses based in the United Kingdom, ranked by team size, largest first. Data verified Aug 28, 2026. Click a count to unlock that company's people.
#	Company	HQ	Employees	Contacts	Verified emails
1	Tryhackme	London	n/a	2,923	90
2	Capslock	London	n/a	235	30
3	Security Blue Team	London	n/a	173	30
4	Wavenet Cyberguard	London	201-500	86	58
5	Hackviser	London	n/a	67	4
6	Sans Emea	Swansea	201-500	55	30
7	Proofpoint Security Awareness Training	London	51-200	36	25
8	Cyberwarfare Labs	Cambridge	11-50	32	7
9	Citation Cyber	Bailrigg	11-50	30	11
10	Bob's Business The Cybersecurity Culture Company	Barnsley	11-50	29	13
11	Ipspecialist	London	11-50	26	7
12	Cy2	Cheltenham	11-50	25	6
13	Stationx	Shrewsbury	11-50	22	6
14	The Cyber Scheme	Cheltenham	11-50	18	7
15	Scipp International	London	11-50	18	1
16	Smartlearning UK	London	11-50	16	2
17	Tranchulas	London	11-50	15	2
18	Hacker Academy	London	1-10	15	2
19	The Cyber Escape Room CO	Leeds	11-50	13	3
20	Tavcom Training	Birmingham	11-50	10	2
21	Doubleflow	London	11-50	10	1
22	Cybersync HUB	London	1-10	5	1
23	in.security	Crewe	1-10	3	3
24	Titan Labs LTD	Aldermaston	1-10	3	3
25	Cyber Helmets	London	11-50	3	2

Showing 25 of 131 cybersecurity training courses based in the United Kingdom

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Cybersecurity training courses based in the United Kingdom at a glance

As of Aug 28, 2026

1-10Median size (employees)

LondonLargest hub · 55 HQs

128Contacts with mobile numbers

0Emails re-verified in last 30 days

Companies by employee count

1-10

11-50

51-200

201-500

Cybersecurity training courses by metro

Metro	Companies
Cybersecurity training courses in London	55
Cybersecurity training courses in Manchester	9
Cybersecurity training courses in Cheltenham	6
Cybersecurity training courses in Belfast	3
Cybersecurity training courses in Swansea	2
Cybersecurity training courses in Cambridge	2
Cybersecurity training courses in Reading	2
Cybersecurity training courses in Crewe	2

How this list was built

Source: The RevenueBase company graph: 21.3 million companies and 398.9 million professional contacts resolved from primary sources.
Inclusion: Companies whose own business descriptions match “cybersecurity training courses”, with match quality audited by blind human judging, and headquartered in the United Kingdom.
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: Contact records re-verify on a rolling cadence; 0 contacts on this list were re-verified in the last 30 days.
Refresh: Lists are refreshed periodically as the underlying company graph is re-verified. Last verified Aug 28, 2026.

Frequently asked

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

There are 131 cybersecurity training courses headquartered in the United Kingdom as of August 2026 (RevenueBase).

What is the largest company on this list?

Tryhackme, headquartered in London, tops this list with the largest team on record.

Which city has the most cybersecurity training courses?

London leads with 55 headquartered companies, followed by Manchester (9) and Cheltenham (6).

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 377 verified decision-maker contacts tracked across these 131 companies.

How current is this list?

The list is refreshed periodically as the underlying company graph is re-verified. It was last verified on August 28, 2026.

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About this data

RevenueBase is a B2B contact data platform. Its company graph covers 21.3 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, the same data that powers RevenueBase's B2B data products and the free research portal.