Company lists · Data verified August 2026

Top 23 Cloud infrastructure companies based in Spain

Name: Cloud infrastructure companies based in Spain
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 67 companies tracked

There are 67 cloud infrastructure companies headquartered in Spain (RevenueBase, August 2026). RevenueBase tracks 835 professional contacts across them, including 140 with verified work emails and 6 with mobile numbers. Madrid is the largest hub.

This list covers cloud infrastructure 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.

67Companies

835Contacts tracked

140Verified emails

6Mobile numbers

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The 23 largest cloud infrastructure companies based in Spain

Ranked by team size

Top 23 of 67 cloud infrastructure 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	ACENS	Bilbao	201-500	276	58
2	Netkia	Torrelavega	51-200	82	13
3	Cartagon	Madrid	11-50	28	8
4	Ausum Cloud	Barcelona	11-50	27	6
5	Pentasoft	Madrid	11-50	26	1
6	Adam - Data Center	Barcelona	51-200	25	6
7	Grupo Inova. Servicios Informáticos	Sevilla	11-50	22	9
8	whitesky.cloud	Barcelona	11-50	18	10
9	Sys4net	Murcia	11-50	16	3
10	Onwork - IT & Cloud	n/a	11-50	15	2
11	clouding.io	Barcelona	11-50	14	6
12	Interhost	Madrid	11-50	9	1
13	Bluekiri	Palma	51-200	8	2
14	Occentus Network	Paterna	11-50	8	1
15	Custom Professional Hosting	San Juan De Alicante	11-50	6	4
16	ENUVE	Barcelona	11-50	6	2
17	Todo EN Cloud	Madrid	11-50	6	1
18	Cyberneticos Hosting, S.L	El Puerto De Santa Maria	11-50	5	1
19	Nubecao Sistemas SL	Valladolid	1-10	5	1
20	Arsenet Servicios EN Internet, S.L	Las Rozas De Madrid	11-50	4	2
21	Libnamic Hosting	Marbella	1-10	3	1
22	PICSA	Sevilla	1-10	2	1
23	Quadrabee S.L	Barcelona	1-10	1	1

Showing 23 of 67 cloud infrastructure companies based in Spain

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Cloud infrastructure companies based in Spain at a glance

As of Aug 28, 2026

11-50Median size (employees)

MadridLargest hub · 16 HQs

6Contacts with mobile numbers

0Emails re-verified in last 30 days

Companies by employee count

1-10

11-50

51-200

201-500

501-1,000

1,001-5,000

Cloud infrastructure companies by metro

Metro	Companies
Cloud infrastructure companies in Madrid	16
Cloud infrastructure companies in Barcelona	11
Cloud infrastructure companies in Sevilla	5
Cloud infrastructure companies in Alcobendas	3
Cloud infrastructure companies in Murcia	3
Cloud infrastructure companies in Sabinanigo	1
Cloud infrastructure companies in Carinena	1
Cloud infrastructure companies in Marchena	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 “cloud infrastructure 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 cloud infrastructure companies are there based in Spain?

There are 67 cloud infrastructure companies headquartered in Spain as of August 2026 (RevenueBase).

What is the largest company on this list?

ACENS, headquartered in Bilbao, tops this list with the largest team on record.

Which city has the most cloud infrastructure companies?

Madrid leads with 16 headquartered companies, followed by Barcelona (11) and Sevilla (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 140 verified decision-maker contacts tracked across these 67 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.