Company lists · Data verified August 2026

Top 25 Cloud migration companies based in Spain

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

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 135 companies tracked

There are 135 cloud migration companies headquartered in Spain (RevenueBase, August 2026). RevenueBase tracks 2,355 professional contacts across them, including 442 with verified work emails and 22 with mobile numbers. Madrid is the largest hub.

This list covers cloud migration 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.

135Companies

2,355Contacts tracked

442Verified emails

22Mobile numbers

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The 25 largest cloud migration companies based in Spain

Ranked by team size

Top 25 of 135 cloud migration 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	SIRT	Zaragoza	201-500	441	78
2	Tokiota	Barcelona	51-200	143	34
3	Ipm, A Ricoh Company	Sant Cugat Del Valles	201-500	138	42
4	Altostratus Part Of Telefónica Tech	Madrid	51-200	128	15
5	Syntax Iberia	Bilbao	51-200	125	32
6	Myclouddoor	Madrid	201-500	86	22
7	Netkia	Torrelavega	51-200	82	13
8	Realnaut	Madrid	51-200	64	8
9	Alianza Corp	Madrid	51-200	54	9
10	Magicbeans	Madrid	51-200	48	28
11	Ackstorm	Barcelona	51-200	47	8
12	Empatiza Consulting	Llanera	11-50	42	8
13	Dyvenia	n/a	51-200	39	22
14	Teradisk Consulting SL	Vilafranca Del Penedes	11-50	32	15
15	Dataspurs	Madrid	11-50	30	5
16	Cartagon	Madrid	11-50	28	8
17	Ausum Cloud	Barcelona	11-50	27	6
18	Brain2store	Sant Cugat Del Valles	11-50	26	7
19	Itcm Solutions	Palma De Mallorca	11-50	24	2
20	JNC Informática 360	San Javier	11-50	23	5
21	Inerttia Business Solutions	Malaga	51-200	23	1
22	Grupo Inova. Servicios Informáticos	Sevilla	11-50	22	9
23	Atlas Enterprise Software	Barcelona	11-50	20	9
24	Astrokube	Madrid	11-50	18	1
25	Capside NTT	Pozuelo De Alarcon Madrid	51-200	16	4

Showing 25 of 135 cloud migration companies based in Spain

See the full list, filter by size, metro and specialty, and get verified emails and direct dials for all 442 reachable decision-makers.

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Cloud migration companies based in Spain at a glance

As of Aug 28, 2026

1-10Median size (employees)

MadridLargest hub · 37 HQs

22Contacts with mobile numbers

2Emails 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 migration companies by metro

Metro	Companies
Cloud migration companies in Madrid	37
Cloud migration companies in Barcelona	15
Cloud migration companies in Malaga	5
Cloud migration companies in Sevilla	4
Cloud migration companies in Bilbao	3
Cloud migration companies in Valencia	3
Cloud migration companies in Vilafranca Del Penedes	3

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 migration 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; 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 cloud migration companies are there based in Spain?

There are 135 cloud migration companies 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 migration companies?

Madrid leads with 37 headquartered companies, followed by Barcelona (15) and Malaga (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 442 verified decision-maker contacts tracked across these 135 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.