Company lists · Data verified August 2026

Top 25 Data center security system companies based in Spain

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

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 220 companies tracked

There are 220 data center security system companies headquartered in Spain (RevenueBase, August 2026). RevenueBase tracks 3,475 professional contacts across them, including 120 with verified work emails and 38 with mobile numbers. Madrid is the largest hub.

This list covers data center security system 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.

220Companies

3,475Contacts tracked

120Verified emails

38Mobile numbers

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The 25 largest data center security system companies based in Spain

Ranked by team size

Top 25 of 220 data center security system 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	Clece Seguridad	San Fernando De Henares	1,001-5,000	343	7
2	Techco Security	Madrid	501-1,000	67	13
3	Grupo Vettonia	Talavera De La Reina	51-200	52	2
4	Sic24	Reus	51-200	44	8
5	Covert Security Plana Fābrega	Madrid	51-200	39	8
6	Coessegur S.A	Madrid	51-200	31	3
7	Altatec Seguridad	Torrejon De Ardoz	11-50	29	6
8	AB Seguridad	Molins De Rei	11-50	28	1
9	Altaico Seguridad	Molina De Segura Murcia	11-50	27	2
10	Onsecur	Barcelona	11-50	26	6
11	Grup Digittecnic	Barcelona	51-200	23	6
12	Viriato Seguridad SL	Lorqui Murcia	201-500	23	3
13	Prevent Security Systems	Alcobendas	51-200	20	4
14	GIIT	Granada	51-200	19	1
15	Saima Seguridad SA	Alcobendas	51-200	18	1
16	Tecisa	Madrid	11-50	16	2
17	J.M. Distech Y Seguridad S.L	Paterna	11-50	15	1
18	Invico Seguridad	Santurtzi	11-50	14	1
19	Ralset Seguridad	Torrelavega	11-50	14	1
20	Electro Alavesa Seguridad By Attlon	Vitoria	11-50	13	3
21	VSS Global Security Solutions, S.L	Esplugues De Llobregat	11-50	13	2
22	Satya Seguridad Avanzada	La Puebla De Alfinden	11-50	11	2
23	Chubb Iberia	Fuenlabrada	201-500	9	2
24	Segurlem S.L	Vigo	11-50	7	1
25	Bifor Seguretat, S.L	Badalona	11-50	7	1

Showing 25 of 220 data center security system companies based in Spain

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Data center security system companies based in Spain at a glance

As of Aug 28, 2026

11-50Median size (employees)

MadridLargest hub · 31 HQs

38Contacts 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 system companies by metro

Metro	Companies
Data center security system companies in Madrid	31
Data center security system companies in Barcelona	17
Data center security system companies in Murcia	5
Data center security system companies in Reus	5
Data center security system companies in Sevilla	5
Data center security system companies in Vigo	5
Data center security system companies in Granada	4

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 system 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 data center security system companies are there based in Spain?

There are 220 data center security system companies 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 system companies?

Madrid leads with 31 headquartered companies, followed by Barcelona (17) and Murcia (5).

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 120 verified decision-maker contacts tracked across these 220 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.