Company lists · Data verified August 2026

Top 25 Data center security services based in Spain

Name: Data center security services based in Spain
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 204 companies tracked

There are 204 data center security services headquartered in Spain (RevenueBase, August 2026). RevenueBase tracks 3,897 professional contacts across them, including 224 with verified work emails and 31 with mobile numbers. Madrid is the largest hub.

This list covers data center security services 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.

204Companies

3,897Contacts tracked

224Verified emails

31Mobile numbers

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The 25 largest data center security services based in Spain

Ranked by team size

Top 25 of 204 data center security services 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	Clece Seguridad	San Fernando De Henares	1,001-5,000	343	7
2	Alhambra IT	Madrid	201-500	228	26
3	Fibratel	Sevilla	201-500	214	60
4	Secure&it	Las Rozas De Madrid	51-200	145	9
5	Techco Security	Madrid	501-1,000	67	13
6	Nabiax	Madrid	11-50	60	15
7	Grupo Vettonia	Talavera De La Reina	51-200	52	2
8	Covert Security Plana Fābrega	Madrid	51-200	39	8
9	Coessegur S.A	Madrid	51-200	31	3
10	Altatec Seguridad	Torrejon De Ardoz	11-50	29	6
11	AB Seguridad	Molins De Rei	11-50	28	1
12	ITRES	Murcia	11-50	25	3
13	Grup Digittecnic	Barcelona	51-200	23	6
14	Prevent Security Systems	Alcobendas	51-200	20	4
15	Tecnek Ciberseguridad	Madrid	11-50	20	3
16	Saima Seguridad SA	Alcobendas	51-200	18	1
17	Geserisk Centro DE Gestión DE LA Seguridad Y EL Riesgo Cibernético	Bormujos	11-50	16	4
18	Tecisa	Madrid	11-50	16	2
19	Ciberso	Madrid	1,001-5,000	14	1
20	Ralset Seguridad	Torrelavega	11-50	14	1
21	Invico Seguridad	Santurtzi	11-50	14	1
22	Electro Alavesa Seguridad By Attlon	Vitoria	11-50	13	3
23	Cross Mind Technology	San Sebastian De Los Reyes	11-50	13	1
24	Grupo Asepro Seguridad	n/a	11-50	13	1
25	ABF Ciberseguridad Y Sistemas	Navarrete	11-50	10	4

Showing 25 of 204 data center security services based in Spain

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Data center security services based in Spain at a glance

As of Aug 28, 2026

11-50Median size (employees)

MadridLargest hub · 36 HQs

31Contacts 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

5,001-10,000

Data center security services by metro

Metro	Companies
Data center security services in Madrid	36
Data center security services in Barcelona	14
Data center security services in Malaga	8
Data center security services in Sevilla	5
Data center security services in Murcia	4
Data center security services in Palma	3
Data center security services in Talavera De La Reina	3

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 “data center security services”, 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 data center security services are there based in Spain?

There are 204 data center security services headquartered in Spain as of August 2026 (RevenueBase).

What is the largest company on this list?

Clece Seguridad, headquartered in San Fernando De Henares, tops this list with the largest team on record.

Which city has the most data center security services?

Madrid leads with 36 headquartered companies, followed by Barcelona (14) and Malaga (8).

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 224 verified decision-maker contacts tracked across these 204 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.