Company lists · Data verified August 2026

Top 17 Blockchain infrastructure security companies based in the United Kingdom

Name: Blockchain infrastructure security 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 68 companies tracked

There are 68 blockchain infrastructure security companies headquartered in the United Kingdom (RevenueBase, August 2026). RevenueBase tracks 359 professional contacts across them, including 121 with verified work emails and 20 with mobile numbers. London is the largest hub.

This list covers blockchain infrastructure security 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.

68Companies

359Contacts tracked

121Verified emails

20Mobile numbers

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The 17 largest blockchain infrastructure security companies based in the United Kingdom

Ranked by team size

Top 17 of 68 blockchain infrastructure security 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	Cryptomathic	London	51-200	77	46
2	Coincover	London	51-200	43	31
3	The Blockhouse Technology LTD	Oxford	11-50	28	19
4	Liquify	Birmingham	11-50	15	5
5	KXCO	London	11-50	11	2
6	Forest	London	1-10	10	2
7	Cykube	London	11-50	9	1
8	Kr1 PLC	London	1-10	6	3
9	Spade Tech	Edinburgh	11-50	5	2
10	TECXA	London	11-50	5	1
11	extropy.io	Oxford	1-10	4	2
12	Uncloak	London	1-10	3	1
13	Commerceblock	London	1-10	3	1
14	HYDN	London	11-50	2	2
15	Dedsol	London	1-10	1	1
16	Sentnl Blockchain Security Auditor	High Wycombe	1-10	1	1
17	Onchain Industries	London	1-10	1	1

Showing 17 of 68 blockchain infrastructure security companies based in the United Kingdom

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Blockchain infrastructure security companies based in the United Kingdom at a glance

As of Aug 28, 2026

1-10Median size (employees)

LondonLargest hub · 44 HQs

20Contacts with mobile numbers

2Emails re-verified in last 30 days

Companies by employee count

1-10

11-50

51-200

Blockchain infrastructure security companies by metro

Metro	Companies
Blockchain infrastructure security companies in London	44
Blockchain infrastructure security companies in Oxford	4
Blockchain infrastructure security companies in Cambridge	1
Blockchain infrastructure security companies in Birmingham	1
Blockchain infrastructure security companies in Bradford	1
Blockchain infrastructure security companies in Southampton	1
Blockchain infrastructure security companies in Dunstable	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 “blockchain infrastructure security 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; 2 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 blockchain infrastructure security companies are there based in the United Kingdom?

There are 68 blockchain infrastructure security companies headquartered in the United Kingdom as of August 2026 (RevenueBase).

What is the largest company on this list?

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

Which city has the most blockchain infrastructure security companies?

London leads with 44 headquartered companies, followed by Oxford (4) and Cambridge (1).

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 121 verified decision-maker contacts tracked across these 68 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.