Company lists · Data verified August 2026

Top 17 Blockchain software development companies based in Spain

Name: Blockchain software development companies based in Spain
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 83 companies tracked

There are 83 blockchain software development companies headquartered in Spain (RevenueBase, August 2026). RevenueBase tracks 580 professional contacts across them, including 77 with verified work emails and 6 with mobile numbers. Barcelona is the largest hub.

This list covers blockchain software development companies headquartered in Spain, 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.

83Companies

580Contacts tracked

77Verified emails

6Mobile numbers

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The 17 largest blockchain software development companies based in Spain

Ranked by team size

Top 17 of 83 blockchain software development companies based in Spain, 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	Iobuilders	Madrid	51-200	80	39
2	Dekalabs	Valencia	11-50	23	14
3	Metlabs	A Coruna	11-50	19	1
4	Pala Blockchain	Barcelona	11-50	12	6
5	TK Analytics Group	Murcia	11-50	12	1
6	Peersyst Technology	Barcelona	1-10	12	1
7	Minos Global	Alicante	11-50	11	2
8	Blocklack	Barcelona	1-10	7	2
9	Go2chain	Gijon	1-10	7	1
10	Airtrace	Madrid	1-10	4	1
11	AI Soft	Naron	1-10	3	1
12	E8 LLC	Barcelona	1-10	3	1
13	Animus Systems SL	Santa Cruz De Tenerife	1-10	3	1
14	Smart Variable	Barcelona	1-10	2	1
15	The Black BOX LAB	Madrid	11-50	1	1
16	MISET	Malaga	1-10	1	1
17	Uniclau	Barcelona	1-10	1	1

Showing 17 of 83 blockchain software development companies based in Spain

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Blockchain software development companies based in Spain at a glance

As of Aug 28, 2026

1-10Median size (employees)

BarcelonaLargest hub · 20 HQs

6Contacts with mobile numbers

0Emails re-verified in last 30 days

Companies by employee count

1-10

11-50

51-200

Blockchain software development companies by metro

Metro	Companies
Blockchain software development companies in Barcelona	20
Blockchain software development companies in Madrid	20
Blockchain software development companies in Valencia	4
Blockchain software development companies in Alicante	3
Blockchain software development companies in A Coruna	2
Blockchain software development companies in Sabadell	2
Blockchain software development companies in Santa Cruz De Tenerife	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 Spain.
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 Spain?

There are 83 blockchain software development companies headquartered in Spain as of August 2026 (RevenueBase).

What is the largest company on this list?

Iobuilders, headquartered in Madrid, tops this list with the largest team on record.

Which city has the most blockchain software development companies?

Barcelona leads with 20 headquartered companies, followed by Madrid (20) and Valencia (4).

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 77 verified decision-maker contacts tracked across these 83 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.