Company lists · Data verified August 2026

Top 17 Cloud security companies based in Spain

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

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 53 companies tracked

This directory lists 53 cloud security companies based in Spain, with 1,355 contacts and 199 email addresses. Updated August 2026, it identifies Madrid as the single most-represented city among the companies on the list.

Cloud security companies provide products and services that protect cloud infrastructure, applications, data, workloads, identities, and access from security threats. This list covers companies that provide cloud security products or services, including cloud infrastructure protection, workload security, identity and access controls, data protection, and security monitoring. Ranked by team size, largest first. Data current as of August 28, 2026.

53Companies

1,355Contacts tracked

199Verified emails

30Mobile numbers

Unlock all 53 companies Free account · no credit card · 2 minutes

The 17 largest cloud security companies based in Spain

Ranked by team size

Top 17 of 53 cloud security 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	A2secure	Madrid	51-200	115	24
5	Superna	Alicante Spain	51-200	111	18
6	Innotec Security	Madrid	501-1,000	105	14
7	Aiuken Cybersecurity	Boadilla Del Monte	51-200	104	21
8	Cartagon	Madrid	11-50	28	8
9	Ausum Cloud	Barcelona	11-50	27	6
10	Geserisk Centro DE Gestión DE LA Seguridad Y EL Riesgo Cibernético	Bormujos	11-50	16	4
11	Onwork - IT & Cloud	n/a	11-50	15	2
12	cloud.gal	Santiago De Compostela	11-50	12	3
13	overe.io	Barcelona	11-50	11	6
14	Synergial Cybersecurity	Olesa De Montserrat	11-50	8	4
15	Sophos Iberia	Madrid	11-50	8	1
16	Metafrase Ciberseguridad Ciberresiliencia	Las Rozas De Madrid	1-10	3	1
17	Pa1-One	Madrid	1-10	1	1

Showing 17 of 53 cloud security companies based in Spain

See the full list, filter by size, metro and specialty, and get verified emails and direct dials for all 199 reachable decision-makers.

Free account · no credit card

See all 53 companies

Cloud security companies based in Spain at a glance

As of Aug 28, 2026

11-50Median size (employees)

MadridLargest hub · 18 HQs

30Contacts 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

5,001-10,000

Cloud security companies by metro

Metro	Companies
Cloud security companies in Madrid	18
Cloud security companies in Barcelona	8
Cloud security companies in Malaga	3
Cloud security companies in Bormujos	2
Cloud security companies in Ourense	1
Cloud security companies in Elche	1
Cloud security companies in Pamplona	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 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 security companies are based in Spain?

The list contains 53 cloud security companies based in Spain. It also includes 1,355 contacts and 199 email addresses.

Where are the most cloud security companies located?

Madrid is the single most-represented city among the companies on the list. The directory covers companies based in Spain.

What do cloud security companies do?

Cloud security companies protect cloud infrastructure, applications, data, workloads, identities, and access. Their offerings can include cloud security monitoring, workload protection, identity controls, data security, and threat prevention.

Ready to reach these companies? Verified emails and direct dials for all 53 cloud security companies based in Spain. Start with a free account, no credit card.

Get the full list

Related lists

Cloud security companies by geography

Browse the directory

Browse: Companies home · All Spain lists · All Cloud security 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.