Company lists · Data verified August 2026

Top 9 Aerospace cybersecurity companies based in London, United Kingdom

Name: Aerospace 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 32 companies tracked

There are 32 aerospace cybersecurity companies headquartered in London, United Kingdom (RevenueBase, August 2026). RevenueBase tracks 871 professional contacts across them, including 57 with verified work emails and 354 with mobile numbers. London is the largest hub.

This list covers aerospace 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.

32Companies

871Contacts tracked

57Verified emails

354Mobile numbers

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The 9 largest aerospace cybersecurity companies based in London, United Kingdom

Ranked by team size

Top 9 of 32 aerospace 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	Garrison NOW A Part Of Everfox	London	51-200	59	2
3	Encode	London	51-200	25	9
4	Infosec K2k	London	51-200	17	8
5	Gardpass Consulting & Space	London	51-200	12	8
6	Disclosure Cybersecurity	London	11-50	11	7
7	Coc00n Cyber	London	1-10	8	7
8	Ultra Horizon	London	1-10	4	2
9	Dark Taurus	London	1-10	3	1

Showing 9 of 32 aerospace cybersecurity companies based in London, United Kingdom

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

As of Aug 28, 2026

11-50Median size (employees)

LondonLargest hub · 32 HQs

354Contacts with mobile numbers

0Emails re-verified in last 30 days

Companies by employee count

1-10

11-50

51-200

1,001-5,000

Aerospace cybersecurity companies by metro in the United Kingdom

Metro	Companies
Aerospace cybersecurity companies in London	32
Aerospace cybersecurity companies in Manchester	4
Aerospace cybersecurity companies in Bristol	2
Aerospace cybersecurity companies in Oxford	1
Aerospace cybersecurity companies in Wakefield	1
Aerospace cybersecurity companies in Inverness	1
Aerospace cybersecurity companies in Richmond	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 “aerospace 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; 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 aerospace cybersecurity companies are there based in London, United Kingdom?

There are 32 aerospace 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 aerospace cybersecurity companies?

London leads with 32 headquartered companies, followed by Manchester (4) and Bristol (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 57 verified decision-maker contacts tracked across these 32 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.