Company lists · Data verified August 2026

Top 15 Construction site security companies based in Spain

Name: Construction site 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 74 companies tracked

There are 74 construction site security companies headquartered in Spain (RevenueBase, August 2026). RevenueBase tracks 1,671 professional contacts across them, including 41 with verified work emails and 11 with mobile numbers. Madrid is the largest hub.

This list covers construction site security 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.

74Companies

1,671Contacts tracked

41Verified emails

11Mobile numbers

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The 15 largest construction site security companies based in Spain

Ranked by team size

Top 15 of 74 construction site 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	Clece Seguridad	San Fernando De Henares	1,001-5,000	343	7
2	Grupo Sercon	Cadiz	1,001-5,000	168	3
3	Grupo Vettonia	Talavera De La Reina	51-200	52	2
4	Sic24	Reus	51-200	44	8
5	Altatec Seguridad	Torrejon De Ardoz	11-50	29	6
6	AB Seguridad	Molins De Rei	11-50	28	1
7	Grup Digittecnic	Barcelona	51-200	23	6
8	ADS Sistemas Electrónicos S.L	Huelva	11-50	20	1
9	Saima Seguridad SA	Alcobendas	51-200	18	1
10	Invico Seguridad	Santurtzi	11-50	14	1
11	Grupo Asepro Seguridad	n/a	11-50	13	1
12	Segurlem S.L	Vigo	11-50	7	1
13	Segurvision	Madrid	11-50	6	1
14	Eimensistemas S.L	Leganes	1-10	6	1
15	Seguridad Levante, SL	Alicante	1-10	1	1

Showing 15 of 74 construction site security companies based in Spain

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Construction site security companies based in Spain at a glance

As of Aug 28, 2026

11-50Median size (employees)

MadridLargest hub · 8 HQs

11Contacts 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

Construction site security companies by metro

Metro	Companies
Construction site security companies in Madrid	8
Construction site security companies in Barcelona	4
Construction site security companies in Sevilla	3
Construction site security companies in Santurtzi	2
Construction site security companies in Reus	2
Construction site security companies in Cadiz	2
Construction site security companies in Valencia	2

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 “construction site 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; 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 construction site security companies are there based in Spain?

There are 74 construction site security 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 construction site security companies?

Madrid leads with 8 headquartered companies, followed by Barcelona (4) and Sevilla (3).

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 41 verified decision-maker contacts tracked across these 74 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.