Company lists · Data verified August 2026

Top 25 Blockchain software development companies based in London, United Kingdom

Name: Blockchain software development 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 158 companies tracked

There are 158 blockchain software development companies headquartered in London, United Kingdom (RevenueBase, August 2026). RevenueBase tracks 1,446 professional contacts across them, including 404 with verified work emails and 61 with mobile numbers. London is the largest hub.

This list covers blockchain software development 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.

158Companies

1,446Contacts tracked

404Verified emails

61Mobile numbers

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The 25 largest blockchain software development companies based in London, United Kingdom

Ranked by team size

Top 25 of 158 blockchain software development 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	Nethermind	London	201-500	261	133
2	Webbylab	London	51-200	104	50
3	Primafelicitas	London	51-200	90	1
4	Applied Blockchain	London	51-200	76	43
5	Ment Tech	London	51-200	74	18
6	PEIKO	London	51-200	74	10
7	Smart Sight Innovations	London	51-200	65	32
8	EXYTE	London	11-50	57	17
9	DLT Apps	London	51-200	50	9
10	CML Team LTD	London	11-50	38	2
11	Gattaca	London	11-50	19	13
12	Web3 Labs	London	11-50	17	6
13	Kodelab	London	11-50	16	9
14	Blockchain Reply	London	1,001-5,000	15	7
15	Coinsetters Web3	London	11-50	14	2
16	COSX	London	11-50	13	9
17	AVARA	London	51-200	10	4
18	Dentoro Lumiere	London	11-50	10	1
19	Ondemandworld 点应科技	London	11-50	6	5
20	Coinque Consulting	London	11-50	5	3
21	Horizont Labs	London	11-50	5	2
22	TECXA	London	11-50	5	1
23	Buckchaf	London	11-50	5	1
24	Cynopia LTD	London	11-50	4	2
25	Itealist	London	51-200	3	1

Showing 25 of 158 blockchain software development companies based in London, United Kingdom

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Blockchain software development companies based in London, United Kingdom at a glance

As of Aug 28, 2026

1-10Median size (employees)

LondonLargest hub · 174 HQs

61Contacts 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

Blockchain software development companies by metro in the United Kingdom

Metro	Companies
Blockchain software development companies in London	174
Blockchain software development companies in Manchester	8
Blockchain software development companies in Glasgow	5
Blockchain software development companies in Edinburgh	4
Blockchain software development companies in Birmingham	4
Blockchain software development companies in Cambridge	2
Blockchain software development companies in Londra	2

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 software development 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 blockchain software development companies are there based in London, United Kingdom?

There are 158 blockchain software development companies headquartered in London, United Kingdom as of August 2026 (RevenueBase).

What is the largest company on this list?

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

Which city has the most blockchain software development companies?

London leads with 174 headquartered companies, followed by Manchester (8) and Glasgow (5).

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 404 verified decision-maker contacts tracked across these 158 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.