Company lists · Data verified August 2026

Top 25 Ai-powered security companies based in the United Kingdom

Name: Ai-powered security companies 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 345 companies tracked

There are 345 ai-powered security companies headquartered in the United Kingdom (RevenueBase, August 2026). RevenueBase tracks 12,579 professional contacts across them, including 6,336 with verified work emails and 1,929 with mobile numbers. London is the largest hub.

This list covers ai-powered security companies 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.

345Companies

12,579Contacts tracked

6,336Verified emails

1,929Mobile numbers

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The 25 largest ai-powered security companies based in the United Kingdom

Ranked by team size

Top 25 of 345 ai-powered security companies 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	Sophos	Abingdon	5,001-10,000	4,963	2,711
2	Darktrace	Cambridge	1,001-5,000	2,590	1,791
3	ROKE	Manchester	1,001-5,000	684	410
4	QODEA	London	201-500	237	35
5	Rhombus	London	51-200	199	137
6	Gorilla Technology Group	London	51-200	188	75
7	Worktual AI	London	201-500	154	2
8	Ravelin Technology	London	51-200	140	106
9	Tigera	London	51-200	106	73
10	Coram AI	London	51-200	100	50
11	Marss Group	London	51-200	96	59
12	Hunters	Moorgate	51-200	96	9
13	Digital Barriers	Quedgeley	51-200	94	44
14	Mind Foundry	Oxford	51-200	92	34
15	OSL Technology	Padworth Common Reading	51-200	77	44
16	Canopy	London	51-200	73	49
17	Smartnumbers	London	51-200	68	40
18	Telesoft	Blandford	51-200	68	19
19	Aecor Digital	London	51-200	64	34
20	Watchtowr	London	51-200	59	22
21	Whitespace	Belfast	51-200	56	24
22	Intelexvision	London	51-200	55	31
23	Senseon	London	51-200	52	24
24	Adarma Security	Edinburgh	201-500	52	23
25	Safety Shield Global	Winsford	51-200	48	17

Showing 25 of 345 ai-powered security companies based in the United Kingdom

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Ai-powered security companies based in the United Kingdom at a glance

As of Aug 28, 2026

1-10Median size (employees)

LondonLargest hub · 191 HQs

1,929Contacts with mobile numbers

40Emails re-verified in last 30 days

Companies by employee count

1-10

179

11-50

117

51-200

201-500

501-1,000

1,001-5,000

5,001-10,000

Ai-powered security companies by metro

Metro	Companies
Ai-powered security companies in London	191
Ai-powered security companies in Manchester	11
Ai-powered security companies in Oxford	7
Ai-powered security companies in Edinburgh	5
Ai-powered security companies in Bristol	4
Ai-powered security companies in Birmingham	4
Ai-powered security companies in Glasgow	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 “ai-powered security companies”, 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; 40 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 ai-powered security companies are there based in the United Kingdom?

There are 345 ai-powered security companies headquartered in the United Kingdom as of August 2026 (RevenueBase).

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 ai-powered security companies?

London leads with 191 headquartered companies, followed by Manchester (11) and Oxford (7).

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 6,336 verified decision-maker contacts tracked across these 345 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.