Company lists · Data verified August 2026

Top 25 Cybersecurity research centers based in the United Kingdom

Name: Cybersecurity research centers 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 162 companies tracked

There are 162 cybersecurity research centers headquartered in the United Kingdom (RevenueBase, August 2026). RevenueBase tracks 2,074 professional contacts across them, including 463 with verified work emails and 195 with mobile numbers. London is the largest hub.

This list covers cybersecurity research centers 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.

162Companies

2,074Contacts tracked

463Verified emails

195Mobile numbers

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The 25 largest cybersecurity research centers based in the United Kingdom

Ranked by team size

Top 25 of 162 cybersecurity research centers 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	Immersive	Bristol	201-500	360	183
2	Reliance Cyber	Waterloo	51-200	80	47
3	Allied Associates International	London	51-200	60	32
4	Interrupt Labs	Basingstoke	51-200	60	6
5	Istari	London	51-200	53	29
6	Global Cyber Alliance	London	11-50	41	16
7	Coretech Security	Cheltenham	51-200	41	7
8	Citation Cyber	Bailrigg	11-50	30	11
9	Cyber Chain Alliance	London	11-50	19	13
10	ACDS	London	11-50	19	11
11	Cyber Defence Alliance	London	11-50	13	4
12	Digital Safety CIC	Chester-Le-Street	11-50	13	1
13	Socguardians LTD	London	11-50	12	1
14	Foundry Zero	Cheltenham	11-50	10	5
15	Rs22 We DO IT Security	Birmingham	11-50	10	3
16	Gdak Cyber Solution	Gloucester	11-50	9	5
17	Cyber Monitoring Centre	London	11-50	7	3
18	International Centre For Policing And Security	Pontypridd	11-50	6	2
19	Cyber Senate	London	11-50	6	1
20	Cognition Intelligence	Peterborough	11-50	4	3
21	Cyber Magazine	Moorgate	51-200	3	1
22	Fortis Information Security & Risk Management	Milton Keynes	11-50	1	1
23	Summit	London	11-50	1	1
24	Charlotte Badger	London	11-50	1	1
25	Lifestyle Protection	Sunningdale	11-50	1	1

Showing 25 of 162 cybersecurity research centers based in the United Kingdom

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Cybersecurity research centers based in the United Kingdom at a glance

As of Aug 28, 2026

1-10Median size (employees)

LondonLargest hub · 58 HQs

195Contacts with mobile numbers

1Emails re-verified in last 30 days

Companies by employee count

1-10

11-50

51-200

201-500

1,001-5,000

10001+

Cybersecurity research centers by metro

Metro	Companies
Cybersecurity research centers in London	58
Cybersecurity research centers in Oxford	6
Cybersecurity research centers in Bristol	5
Cybersecurity research centers in Cambridge	4
Cybersecurity research centers in Manchester	4
Cybersecurity research centers in Cheltenham	3
Cybersecurity research centers in Birmingham	3

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 research centers”, 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; 1 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 research centers are there based in the United Kingdom?

There are 162 cybersecurity research centers headquartered in the United Kingdom as of August 2026 (RevenueBase).

What is the largest company on this list?

Immersive, headquartered in Bristol, tops this list with the largest team on record.

Which city has the most cybersecurity research centers?

London leads with 58 headquartered companies, followed by Oxford (6) and Bristol (5).

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 463 verified decision-maker contacts tracked across these 162 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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Cybersecurity research centers by geography

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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.