Company lists · Data verified August 2026

Top 25 Cloud infrastructure support providers based in Spain

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

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 336 companies tracked

There are 336 cloud infrastructure support providers headquartered in Spain (RevenueBase, August 2026). RevenueBase tracks 4,514 professional contacts across them, including 871 with verified work emails and 57 with mobile numbers. Madrid is the largest hub.

This list covers cloud infrastructure support providers 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.

336Companies

4,514Contacts tracked

871Verified emails

57Mobile numbers

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The 25 largest cloud infrastructure support providers based in Spain

Ranked by team size

Top 25 of 336 cloud infrastructure support providers 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	SIRT	Zaragoza	201-500	441	78
2	ABAST	Palma	501-1,000	386	113
3	ARSYS	Alcobendas	201-500	319	79
4	Nextret	Barcelona	201-500	236	3
5	Softwareone Spain	Barcelona	201-500	163	46
6	Tokiota	Barcelona	51-200	143	34
7	Ipm, A Ricoh Company	Sant Cugat Del Valles	201-500	138	42
8	Altostratus Part Of Telefónica Tech	Madrid	51-200	128	15
9	Syntax Iberia	Bilbao	51-200	125	32
10	Myclouddoor	Madrid	201-500	86	22
11	Netkia	Torrelavega	51-200	82	13
12	Serban Group - Europa	Bilbao	51-200	82	11
13	Realnaut	Madrid	51-200	64	8
14	Recursos EN LA RED	Elche	51-200	52	8
15	Opennebula Systems	Madrid	51-200	51	26
16	Ackstorm	Barcelona	51-200	47	8
17	Intercloud	Madrid	51-200	38	13
18	Microcad Informática	Malaga	11-50	36	8
19	KIT Informática	Valencia	51-200	32	4
20	Cartagon	Madrid	11-50	28	8
21	Ausum Cloud	Barcelona	11-50	27	6
22	Pentasoft	Madrid	11-50	26	1
23	Adam - Data Center	Barcelona	51-200	25	6
24	Grupo Inova. Servicios Informáticos	Sevilla	11-50	22	9
25	Redman TH	Majadahonda	11-50	22	3

Showing 25 of 336 cloud infrastructure support providers based in Spain

See the full list, filter by size, metro and specialty, and get verified emails and direct dials for all 871 reachable decision-makers.

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Cloud infrastructure support providers based in Spain at a glance

As of Aug 28, 2026

1-10Median size (employees)

MadridLargest hub · 64 HQs

57Contacts with mobile numbers

6Emails re-verified in last 30 days

Companies by employee count

1-10

198

11-50

100

51-200

201-500

501-1,000

1,001-5,000

10001+

Cloud infrastructure support providers by metro

Metro	Companies
Cloud infrastructure support providers in Madrid	64
Cloud infrastructure support providers in Barcelona	47
Cloud infrastructure support providers in Valencia	10
Cloud infrastructure support providers in Sevilla	10
Cloud infrastructure support providers in Sant Cugat Del Valles	6
Cloud infrastructure support providers in Bilbao	6
Cloud infrastructure support providers in Alcobendas	6

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 support providers”, 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; 6 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 support providers are there based in Spain?

There are 336 cloud infrastructure support providers headquartered in Spain as of August 2026 (RevenueBase).

What is the largest company on this list?

SIRT, headquartered in Zaragoza, tops this list with the largest team on record.

Which city has the most cloud infrastructure support providers?

Madrid leads with 64 headquartered companies, followed by Barcelona (47) and Valencia (10).

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 871 verified decision-maker contacts tracked across these 336 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.