Company lists · Data verified August 2026

Top 14 Endpoint security software companies based in the United Kingdom

Name: Endpoint security software 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 35 companies tracked

There are 35 endpoint security software companies headquartered in the United Kingdom (RevenueBase, August 2026). RevenueBase tracks 386 professional contacts across them, including 200 with verified work emails and 40 with mobile numbers. London is the largest hub.

This list covers endpoint security software 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.

35Companies

386Contacts tracked

200Verified emails

40Mobile numbers

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The 14 largest endpoint security software companies based in the United Kingdom

Ranked by team size

Top 14 of 35 endpoint security software 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	Becrypt	London	51-200	69	56
2	Eset UK	Bournemouth	51-200	66	41
3	Attivo Networks , A Sentinelone Company	Cambridge	1,001-5,000	57	21
4	Syxsense, An Absolute Security Company	Basingstoke	51-200	37	23
5	Sentrybay	London	201-500	25	15
6	Pointwire	Royston	11-50	25	13
7	4secure LTD	Northampton	11-50	22	13
8	Scansafe	London	n/a	16	1
9	Corrata	London	11-50	8	3
10	Idappcom LTD	Ludlow	11-50	5	3
11	Trusted Knight Corporation	London	11-50	3	2
12	Winfrasoft	Bracknell	1-10	3	2
13	DLP Assured	London	51-200	2	2
14	Keychest	Cambridge	1-10	1	1

Showing 14 of 35 endpoint security software companies based in the United Kingdom

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Endpoint security software companies based in the United Kingdom at a glance

As of Aug 28, 2026

11-50Median size (employees)

LondonLargest hub · 10 HQs

40Contacts with mobile numbers

0Emails re-verified in last 30 days

Companies by employee count

1-10

11-50

51-200

201-500

1,001-5,000

10001+

Endpoint security software companies by metro

Metro	Companies
Endpoint security software companies in London	10
Endpoint security software companies in Bristol	3
Endpoint security software companies in Cambridge	2
Endpoint security software companies in Bournemouth	1
Endpoint security software companies in Fareham	1
Endpoint security software companies in Headquarters	1
Endpoint security software companies in Taunton	1

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 “endpoint security software 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; 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 endpoint security software companies are there based in the United Kingdom?

There are 35 endpoint security software companies headquartered in the United Kingdom as of August 2026 (RevenueBase).

What is the largest company on this list?

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

Which city has the most endpoint security software companies?

London leads with 10 headquartered companies, followed by Bristol (3) and Cambridge (2).

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 200 verified decision-maker contacts tracked across these 35 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.