Company lists · Data verified August 2026

Top 15 Cloud security management companies based in Spain

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

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 49 companies tracked

There are 49 cloud security management companies headquartered in Spain (RevenueBase, August 2026). RevenueBase tracks 899 professional contacts across them, including 174 with verified work emails and 7 with mobile numbers. Madrid is the largest hub.

This list covers cloud security management 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.

49Companies

899Contacts tracked

174Verified emails

7Mobile numbers

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The 15 largest cloud security management companies based in Spain

Ranked by team size

Top 15 of 49 cloud security management 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	Alhambra IT	Madrid	201-500	228	26
2	Altostratus Part Of Telefónica Tech	Madrid	51-200	128	15
3	Syntax Iberia	Bilbao	51-200	125	32
4	Myclouddoor	Madrid	201-500	86	22
5	Opennebula Systems	Madrid	51-200	51	26
6	Ackstorm	Barcelona	51-200	47	8
7	Teradisk Consulting SL	Vilafranca Del Penedes	11-50	32	15
8	Cartagon	Madrid	11-50	28	8
9	Ausum Cloud	Barcelona	11-50	27	6
10	Onwork - IT & Cloud	n/a	11-50	15	2
11	cloud.gal	Santiago De Compostela	11-50	12	3
12	overe.io	Barcelona	11-50	11	6
13	Jackson Cloud	Las Rozas De Madrid	1-10	5	1
14	Atmosfera.Net Microsoft Silver Partner	Vilafranca Del Penedes	1-10	2	1
15	Quadrabee S.L	Barcelona	1-10	1	1

Showing 15 of 49 cloud security management companies based in Spain

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Cloud security management companies based in Spain at a glance

As of Aug 28, 2026

11-50Median size (employees)

MadridLargest hub · 14 HQs

7Contacts 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 security management companies by metro

Metro	Companies
Cloud security management companies in Madrid	14
Cloud security management companies in Barcelona	9
Cloud security management companies in Vilafranca Del Penedes	3
Cloud security management companies in Sevilla	2
Cloud security management companies in Santiago De Compostela	1
Cloud security management companies in Valencia	1
Cloud security management companies in Bormujos	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 security management 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 security management companies are there based in Spain?

There are 49 cloud security management companies headquartered in Spain as of August 2026 (RevenueBase).

What is the largest company on this list?

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

Which city has the most cloud security management companies?

Madrid leads with 14 headquartered companies, followed by Barcelona (9) and Vilafranca Del Penedes (3).

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 174 verified decision-maker contacts tracked across these 49 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.