Company lists · Data verified August 2026

Top 13 Cybersecurity companies based in Cambridge, United Kingdom

Name: Cybersecurity companies based in Cambridge, United Kingdom
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

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

Our directory lists 28 cybersecurity companies based in Cambridge, United Kingdom, with 2,855 professional contacts and 1,897 email addresses. The list was last updated in August 2026, and London is the single most-represented city among the companies listed.

Cybersecurity companies provide products and services that protect systems, networks, applications, devices, and data from unauthorized access, disruption, or misuse. This list covers companies that provide cybersecurity products, services, consulting, assessments, monitoring, incident response, or related protection for digital systems and data. Ranked by team size, largest first. Data current as of August 28, 2026.

28Companies

2,855Contacts tracked

1,897Verified emails

560Mobile numbers

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The 13 largest cybersecurity companies based in Cambridge, United Kingdom

Ranked by team size

Top 13 of 28 cybersecurity companies based in Cambridge, 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	Darktrace	Cambridge	1,001-5,000	2,590	1,791
2	Softwerx	Cambridge	51-200	95	44
3	Attivo Networks , A Sentinelone Company	Cambridge	1,001-5,000	57	21
4	The Secops Group	Cambridge	11-50	34	22
5	Fidus Information Security	Cambridge	11-50	7	3
6	Securenet Communication Solutions	Cambridge	1-10	6	3
7	Zorb Security	Cambridge	1-10	6	2
8	Chaser Systems	Cambridge	1-10	5	4
9	Secmatics	Cambridge	11-50	2	2
10	Cambridge Cyber Advisers	Cambridge	1-10	2	2
11	Cambition IT Services Limited	Cambridge	1-10	2	1
12	Manta Cyber Systems	Cambridge	1-10	1	1
13	Blockmoor	Cambridge	1-10	1	1

Showing 13 of 28 cybersecurity companies based in Cambridge, United Kingdom

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Cybersecurity companies based in Cambridge, United Kingdom at a glance

As of Aug 28, 2026

1-10Median size (employees)

LondonLargest hub · 876 HQs

560Contacts with mobile numbers

10Emails re-verified in last 30 days

Companies by employee count

1-10

11-50

51-200

1,001-5,000

Cybersecurity companies by metro in the United Kingdom

Metro	Companies
Cybersecurity companies in London	876
Cybersecurity companies in Manchester	72
Cybersecurity companies in Birmingham	34
Cybersecurity companies in Cheltenham	31
Cybersecurity companies in Cambridge	28
Cybersecurity companies in Leeds	22
Cybersecurity companies in Bristol	21

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 companies”, with match quality audited by blind human judging, and headquartered in Cambridge, 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; 10 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 companies are in the directory?

The directory lists 28 cybersecurity companies based in Cambridge, United Kingdom.

Which city has the most cybersecurity companies?

London is the single most-represented city among the cybersecurity companies on the list.

How many contacts are available for cybersecurity companies?

The directory includes 2,855 professional contacts and 1,897 email addresses for the listed cybersecurity companies.

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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.