Company lists · Data verified August 2026

Top 25 Cybersecurity hardware providers based in the United Kingdom

Name: Cybersecurity hardware providers 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 254 companies tracked

There are 254 cybersecurity hardware providers headquartered in the United Kingdom (RevenueBase, August 2026). RevenueBase tracks 10,531 professional contacts across them, including 4,917 with verified work emails and 1,725 with mobile numbers. London is the largest hub.

This list covers cybersecurity hardware providers 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.

254Companies

10,531Contacts tracked

4,917Verified emails

1,725Mobile numbers

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The 25 largest cybersecurity hardware providers based in the United Kingdom

Ranked by team size

Top 25 of 254 cybersecurity hardware providers 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	SISA	Leicester	201-500	739	253
3	Everfox	London	1,001-5,000	635	13
4	Withsecure	London	501-1,000	614	329
5	Yubico	West Horsley	501-1,000	546	370
6	Bridewell	Edinburgh	201-500	304	189
7	Quorum Cyber	Edinburgh	201-500	292	177
8	Exclusive Networks UK	Mansfield	201-500	168	118
9	Cipher سايڤر	London	201-500	135	50
10	Khipu Networks	Fleet	51-200	129	94
11	Bulletproof Cyber Security	London	51-200	118	75
12	Foresite Cybersecurity	Farnborough	51-200	100	67
13	Titania LTD	London	51-200	89	47
14	Becrypt	London	51-200	69	56
15	Eset UK	Bournemouth	51-200	66	41
16	Garrison NOW A Part Of Everfox	London	51-200	59	2
17	Satisnet, A Gamma Company	Luton	51-200	46	8
18	Coretech Security	Cheltenham	51-200	41	7
19	Omerta	Saffron Walden	51-200	38	15
20	defense.com	Stevenage	51-200	32	13
21	Epodium	London	11-50	30	13
22	ITB LTD	Eynsham	11-50	28	8
23	Encode	London	51-200	25	9
24	4secure LTD	Northampton	11-50	22	13
25	Clearswift	Berkshire	201-500	19	4

Showing 25 of 254 cybersecurity hardware providers based in the United Kingdom

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Cybersecurity hardware providers based in the United Kingdom at a glance

As of Aug 28, 2026

1-10Median size (employees)

LondonLargest hub · 93 HQs

1,725Contacts with mobile numbers

11Emails re-verified in last 30 days

Companies by employee count

1-10

140

11-50

51-200

201-500

501-1,000

1,001-5,000

5,001-10,000

10001+

Cybersecurity hardware providers by metro

Metro	Companies
Cybersecurity hardware providers in London	93
Cybersecurity hardware providers in Manchester	10
Cybersecurity hardware providers in Bristol	6
Cybersecurity hardware providers in Cambridge	5
Cybersecurity hardware providers in Glasgow	4
Cybersecurity hardware providers in Edinburgh	4
Cybersecurity hardware providers in Cheltenham	4

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 hardware providers”, 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; 11 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 hardware providers are there based in the United Kingdom?

There are 254 cybersecurity hardware providers 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 cybersecurity hardware providers?

London leads with 93 headquartered companies, followed by Manchester (10) and Bristol (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 4,917 verified decision-maker contacts tracked across these 254 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.