Company lists · Data verified August 2026

Top 25 Banking cybersecurity companies based in London, United Kingdom

Name: Banking cybersecurity companies based in London, United Kingdom
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 81 companies tracked

There are 81 banking cybersecurity companies headquartered in London, United Kingdom (RevenueBase, August 2026). RevenueBase tracks 2,603 professional contacts across them, including 497 with verified work emails and 586 with mobile numbers. London is the largest hub.

This list covers banking cybersecurity companies headquartered in London, 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.

81Companies

2,603Contacts tracked

497Verified emails

586Mobile numbers

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The 25 largest banking cybersecurity companies based in London, United Kingdom

Ranked by team size

Top 25 of 81 banking cybersecurity companies based in London, 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	Everfox	London	1,001-5,000	635	13
2	Biocatch	London	201-500	429	316
3	Bulletproof Cyber Security	London	51-200	118	75
4	Hexegic	London	51-200	52	30
5	Encode	London	51-200	25	9
6	Infosec K2k	London	51-200	17	8
7	Socguardians LTD	London	11-50	12	1
8	Disclosure Cybersecurity	London	11-50	11	7
9	Simplified Solutions	London	11-50	10	4
10	Cykube	London	11-50	9	1
11	59 Degrees North	London	1-10	7	6
12	Threat Protect	London	1-10	7	2
13	Strata	London	1-10	5	5
14	Bell ICT	London	1-10	5	3
15	Rexel Cybersecurity	London	11-50	5	1
16	River Oakfield	London	11-50	4	2
17	Cyber Tech Guardians	London	1-10	4	1
18	Advanced Security Technology And Research Laboratory Company Limited Advstar	London	1-10	4	1
19	Grove Group	London	51-200	3	3
20	Trusted Knight Corporation	London	11-50	3	2
21	Dark Taurus	London	1-10	3	1
22	Psisec Limited	London	1-10	2	2
23	Cansol Consulting	London	11-50	2	1
24	soc.os	London	11-50	1	1
25	Cloudhance	London	1-10	1	1

Showing 25 of 81 banking cybersecurity companies based in London, United Kingdom

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Banking cybersecurity companies based in London, United Kingdom at a glance

As of Aug 28, 2026

11-50Median size (employees)

LondonLargest hub · 81 HQs

586Contacts with mobile numbers

2Emails re-verified in last 30 days

Companies by employee count

1-10

11-50

51-200

201-500

501-1,000

1,001-5,000

Banking cybersecurity companies by metro in the United Kingdom

Metro	Companies
Banking cybersecurity companies in London	81
Banking cybersecurity companies in Manchester	8
Banking cybersecurity companies in Cheltenham	4
Banking cybersecurity companies in Oxford	3
Banking cybersecurity companies in Tewkesbury	2
Banking cybersecurity companies in Sheffield	2
Banking cybersecurity companies in Birmingham	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 “banking cybersecurity companies”, with match quality audited by blind human judging, and headquartered in London, 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; 2 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 banking cybersecurity companies are there based in London, United Kingdom?

There are 81 banking cybersecurity companies headquartered in London, United Kingdom as of August 2026 (RevenueBase).

What is the largest company on this list?

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

Which city has the most banking cybersecurity companies?

London leads with 81 headquartered companies, followed by Manchester (8) and Cheltenham (4).

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 497 verified decision-maker contacts tracked across these 81 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.