Company lists · Data verified August 2026

Top 12 Cloud migration service providers based in Spain

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

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 32 companies tracked

There are 32 cloud migration service providers headquartered in Spain (RevenueBase, August 2026). RevenueBase tracks 479 professional contacts across them, including 101 with verified work emails and 5 with mobile numbers. Madrid is the largest hub.

This list covers cloud migration service 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.

32Companies

479Contacts tracked

101Verified emails

5Mobile numbers

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The 12 largest cloud migration service providers based in Spain

Ranked by team size

Top 12 of 32 cloud migration service 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	Altostratus Part Of Telefónica Tech	Madrid	51-200	128	15
2	Myclouddoor	Madrid	201-500	86	22
3	Realnaut	Madrid	51-200	64	8
4	Magicbeans	Madrid	51-200	48	28
5	Cartagon	Madrid	11-50	28	8
6	Ausum Cloud	Barcelona	11-50	27	6
7	Aindeep Technology Solutions	Bilbao	11-50	10	1
8	Novis Euforia	Madrid	11-50	9	5
9	Todo EN Cloud	Madrid	11-50	6	1
10	Jackson Cloud	Las Rozas De Madrid	1-10	5	1
11	Consito	n/a	1-10	1	1
12	Quadrabee S.L	Barcelona	1-10	1	1

Showing 12 of 32 cloud migration service providers based in Spain

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Cloud migration service providers based in Spain at a glance

As of Aug 28, 2026

1-10Median size (employees)

MadridLargest hub · 13 HQs

5Contacts 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

Cloud migration service providers by metro

Metro	Companies
Cloud migration service providers in Madrid	13
Cloud migration service providers in Barcelona	3
Cloud migration service providers in Bormujos	1
Cloud migration service providers in Elche	1
Cloud migration service providers in Esplugues De Llobregat	1
Cloud migration service providers in Azuqueca De Henares	1
Cloud migration service providers in Sabinanigo	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 migration service 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; 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 migration service providers are there based in Spain?

There are 32 cloud migration service providers headquartered in Spain as of August 2026 (RevenueBase).

What is the largest company on this list?

Altostratus Part Of Telefónica Tech, headquartered in Madrid, tops this list with the largest team on record.

Which city has the most cloud migration service providers?

Madrid leads with 13 headquartered companies, followed by Barcelona (3) and Bormujos (1).

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 101 verified decision-maker contacts tracked across these 32 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.