Company lists · Data verified August 2026

Top 16 Cloud security software companies based in Spain

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

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 43 companies tracked

There are 43 cloud security software companies headquartered in Spain (RevenueBase, August 2026). RevenueBase tracks 908 professional contacts across them, including 154 with verified work emails and 28 with mobile numbers. Madrid is the largest hub.

This list covers cloud security software 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.

43Companies

908Contacts tracked

154Verified emails

28Mobile numbers

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The 16 largest cloud security software companies based in Spain

Ranked by team size

Top 16 of 43 cloud security software 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	S21sec	Madrid	201-500	192	36
3	A3sec	Madrid	51-200	122	24
4	Superna	Alicante Spain	51-200	111	18
5	Xygeni	Madrid	11-50	31	8
6	Cartagon	Madrid	11-50	28	8
7	Ausum Cloud	Barcelona	11-50	27	6
8	Codific	Barcelona	11-50	15	8
9	Onwork - IT & Cloud	n/a	11-50	15	2
10	cloud.gal	Santiago De Compostela	11-50	12	3
11	overe.io	Barcelona	11-50	11	6
12	Vortex Cloud	Madrid	11-50	8	2
13	Sumwall Technology	Madrid	1-10	7	1
14	Bytehide	Valencia	1-10	6	4
15	Metafrase Ciberseguridad Ciberresiliencia	Las Rozas De Madrid	1-10	3	1
16	Tunerasoft	Los Llanos De Aridane	1-10	1	1

Showing 16 of 43 cloud security software companies based in Spain

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Cloud security software companies based in Spain at a glance

As of Aug 28, 2026

11-50Median size (employees)

MadridLargest hub · 16 HQs

28Contacts with mobile numbers

0Emails re-verified in last 30 days

Companies by employee count

1-10

11-50

51-200

201-500

1,001-5,000

5,001-10,000

Cloud security software companies by metro

Metro	Companies
Cloud security software companies in Madrid	16
Cloud security software companies in Barcelona	7
Cloud security software companies in Malaga	2
Cloud security software companies in Bormujos	1
Cloud security software companies in Valencia	1
Cloud security software companies in Pamplona	1
Cloud security software companies in Pontevedra	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 software 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 software companies are there based in Spain?

There are 43 cloud security software 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 software companies?

Madrid leads with 16 headquartered companies, followed by Barcelona (7) and Malaga (2).

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 154 verified decision-maker contacts tracked across these 43 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.