Company lists · Data verified August 2026

Top 17 Cloud security operations companies based in Spain

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

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 50 companies tracked

There are 50 cloud security operations companies headquartered in Spain (RevenueBase, August 2026). RevenueBase tracks 1,030 professional contacts across them, including 156 with verified work emails and 9 with mobile numbers. Madrid is the largest hub.

This list covers cloud security operations 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.

50Companies

1,030Contacts tracked

156Verified emails

9Mobile numbers

Unlock all 50 companies Free account · no credit card · 2 minutes

The 17 largest cloud security operations companies based in Spain

Ranked by team size

Top 17 of 50 cloud security operations 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	A3sec	Madrid	51-200	122	24
5	Aiuken Cybersecurity	Boadilla Del Monte	51-200	104	21
6	Apolo Cybersecurity	Barcelona	11-50	37	5
7	Cartagon	Madrid	11-50	28	8
8	Ausum Cloud	Barcelona	11-50	27	6
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	Bluekiri	Palma	51-200	8	2
13	Sophos Iberia	Madrid	11-50	8	1
14	Todo EN Cloud	Madrid	11-50	6	1
15	Jackson Cloud	Las Rozas De Madrid	1-10	5	1
16	Linajex	Alicante Espana	1-10	2	2
17	Quadrabee S.L	Barcelona	1-10	1	1

Showing 17 of 50 cloud security operations companies based in Spain

See the full list, filter by size, metro and specialty, and get verified emails and direct dials for all 156 reachable decision-makers.

Free account · no credit card

See all 50 companies

Cloud security operations companies based in Spain at a glance

As of Aug 28, 2026

11-50Median size (employees)

MadridLargest hub · 18 HQs

9Contacts with mobile numbers

1Emails 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 operations companies by metro

Metro	Companies
Cloud security operations companies in Madrid	18
Cloud security operations companies in Barcelona	10
Cloud security operations companies in Sevilla	2
Cloud security operations companies in Bormujos	1
Cloud security operations companies in Santiago De Compostela	1
Cloud security operations companies in Alicante Espana	1
Cloud security operations companies in Palma	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 operations 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; 1 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 operations companies are there based in Spain?

There are 50 cloud security operations 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 operations companies?

Madrid leads with 18 headquartered companies, followed by Barcelona (10) and Sevilla (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 156 verified decision-maker contacts tracked across these 50 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.

Ready to reach these companies? Verified emails and direct dials for all 50 cloud security operations companies based in Spain. Start with a free account, no credit card.

Get the full list

Related lists

Cloud security operations companies by geography

Browse the directory

Browse: Companies home · All Spain lists · All Cloud security operations companies lists · New lists

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.