Company lists · Data verified August 2026

Top 25 Cybersecurity for edge networks based in the United Kingdom

Name: Cybersecurity for edge networks 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 269 companies tracked

There are 269 cybersecurity for edge networks headquartered in the United Kingdom (RevenueBase, August 2026). RevenueBase tracks 9,592 professional contacts across them, including 4,349 with verified work emails and 1,452 with mobile numbers. London is the largest hub.

This list covers cybersecurity for edge networks 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.

269Companies

9,592Contacts tracked

4,349Verified emails

1,452Mobile numbers

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The 25 largest cybersecurity for edge networks based in the United Kingdom

Ranked by team size

Top 25 of 269 cybersecurity for edge networks 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	Quorum Cyber	Edinburgh	201-500	292	177
6	Cyberfort	Thatcham	51-200	160	88
7	Cipher سايڤر	London	201-500	135	50
8	Khipu Networks	Fleet	51-200	129	94
9	Foresite Cybersecurity	Farnborough	51-200	100	67
10	Eset UK	Bournemouth	51-200	66	41
11	Specialist Network Operations	Oswestry	51-200	54	31
12	Hexegic	London	51-200	52	30
13	Adarma Security	Edinburgh	201-500	52	23
14	Satisnet, A Gamma Company	Luton	51-200	46	8
15	Coretech Security	Cheltenham	51-200	41	7
16	Omerta	Saffron Walden	51-200	38	15
17	Secarma LTD	Manchester	11-50	34	23
18	Barrier Networks	London	11-50	33	22
19	FLOW	Hemel Hempstead	11-50	33	19
20	defense.com	Stevenage	51-200	32	13
21	Mindtech Services	London	51-200	26	3
22	Encode	London	51-200	25	9
23	Pentesec	Peterborough	51-200	24	18
24	Protos Networks	West Chester	11-50	23	15
25	Blackfoot Cybersecurity	Welwyn Garden City	11-50	23	13

Showing 25 of 269 cybersecurity for edge networks based in the United Kingdom

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Cybersecurity for edge networks based in the United Kingdom at a glance

As of Aug 28, 2026

1-10Median size (employees)

LondonLargest hub · 101 HQs

1,452Contacts with mobile numbers

8Emails re-verified in last 30 days

Companies by employee count

1-10

148

11-50

51-200

201-500

501-1,000

1,001-5,000

5,001-10,000

Cybersecurity for edge networks by metro

Metro	Companies
Cybersecurity for edge networks in London	101
Cybersecurity for edge networks in Manchester	12
Cybersecurity for edge networks in Bristol	7
Cybersecurity for edge networks in Glasgow	5
Cybersecurity for edge networks in Cheltenham	5
Cybersecurity for edge networks in Birmingham	4
Cybersecurity for edge networks in Oxford	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 for edge networks”, 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; 8 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 for edge networks are there based in the United Kingdom?

There are 269 cybersecurity for edge networks 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 for edge networks?

London leads with 101 headquartered companies, followed by Manchester (12) and Bristol (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 4,349 verified decision-maker contacts tracked across these 269 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.