Company lists · Data verified August 2026

Top 22 Commercial security services based in Portugal

Name: Commercial security services based in Portugal
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 97 companies tracked

There are 97 commercial security services headquartered in Portugal (RevenueBase, August 2026). RevenueBase tracks 3,106 professional contacts across them, including 321 with verified work emails and 77 with mobile numbers. Lisboa is the largest hub.

This list covers commercial security services headquartered in Portugal, 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.

97Companies

3,106Contacts tracked

321Verified emails

77Mobile numbers

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The 22 largest commercial security services based in Portugal

Ranked by team size

Top 22 of 97 commercial security services based in Portugal, 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	Strong Segurança, S.A	Amadora	5,001-10,000	892	116
2	Securitas Portugal	Linda-A-Velha	5,001-10,000	637	143
3	Prestibel	Lisboa	1,001-5,000	448	5
4	PSG Segurança Privada S.A	Estoril	501-1,000	274	1
5	Ronsegur	n/a	1,001-5,000	31	1
6	Sensorpoint	Avintes	11-50	25	13
7	Instaltech Portugal	Porto	11-50	17	1
8	Agora SYS	Lisboa	11-50	14	1
9	Sanco, Produtos Eletrónicos, Unip LDA	Vila Nova De Gaia	1-10	12	2
10	Secufogo	Funchal	11-50	10	3
11	Trialarmes	Braganca	11-50	8	1
12	SOC Segurança Privada	Cascais	51-200	7	1
13	Casmar Electrónica	Canelas	1-10	6	4
14	Vigion	n/a	11-50	6	3
15	On24h	Porto	11-50	5	1
16	4 Sftis-Solucoes Integradas DE Seguranca LDA	Queluz	1-10	3	3
17	Opt, LDA	Braga	1-10	3	3
18	Extinçor	Ponta Delgada	11-50	3	2
19	Ncontrol	Porto	11-50	3	2
20	Faclink, LDA	Lisboa	1-10	3	1
21	Tecnifir	n/a	1-10	2	1
22	I-Security Intelligent Security	Entroncamento	1-10	1	1

Showing 22 of 97 commercial security services based in Portugal

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Commercial security services based in Portugal at a glance

As of Aug 28, 2026

1-10Median size (employees)

LisboaLargest hub · 13 HQs

77Contacts 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

5,001-10,000

Commercial security services by metro

Metro	Companies
Commercial security services in Lisboa	13
Commercial security services in Porto	6
Commercial security services in Vila Nova De Gaia	4
Commercial security services in Amadora	3
Commercial security services in Santa Maria Da Feira	3
Commercial security services in Entroncamento	3
Commercial security services in Trofa	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 “commercial security services”, with match quality audited by blind human judging, and headquartered in Portugal.
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 commercial security services are there based in Portugal?

There are 97 commercial security services headquartered in Portugal as of August 2026 (RevenueBase).

What is the largest company on this list?

Strong Segurança, S.A, headquartered in Amadora, tops this list with the largest team on record.

Which city has the most commercial security services?

Lisboa leads with 13 headquartered companies, followed by Porto (6) and Vila Nova De Gaia (4).

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 321 verified decision-maker contacts tracked across these 97 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.