Company lists · Data refreshed September 2026

Top 25 Cybersecurity systems providers based in Portugal

Name: Cybersecurity systems providers based in Portugal
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 28, 2026 115 companies tracked

RevenueBase identified 115 cybersecurity systems providers headquartered in Portugal as of September 2026 and tracks 1,607 professional contacts across them, including 374 with verified work emails. Lisboa is the largest hub.

This list covers cybersecurity systems providers headquartered in Portugal, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 28, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.

How to read this list HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 28, 2026 86% judged on-target in blind review

115Companies

1,607Contacts tracked

374Verified emails

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The 25 largest cybersecurity systems providers based in Portugal

Ranked by team size

Top 25 of 115 cybersecurity systems providers based in Portugal, ranked by team size, largest first. Data refreshed Sep 28, 2026. RevenueBase Smart Search rates how each company's information relates to cybersecurity systems providers: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#	Company	RevenueBase Smart Search	Headquarters	Employees	Contacts
1	Strong Segurança, S.A	Partial evidence	Amadora, PortugalHQ checked Sep 28, 2026	5,001-10,000	893 contacts →
	Partial evidence “Security Company Electronics developers Systems integrator” Source: RevenueBase Database · checked Sep 28, 2026
2	Securnet	Indirect evidence	Ermesinde, PortugalHQ checked Sep 28, 2026	51-200	129 contacts →
	Indirect evidence “Fundada em 2002, a SECURNET dedica-se à integração de tecnologias de informação, prestando um conjunto de serviços técnicos especializados de consultoria e auditoria, engenharia…” Source: RevenueBase Database · checked Sep 28, 2026
3	Cybersafe	Partial evidence	Alfragide, PortugalHQ checked Sep 28, 2026	11-50	56 contacts →
	Partial evidence “CyberSafe is a Portuguese company focused on cybersecurity.” Source: RevenueBase Database · checked Sep 28, 2026
4	Defensepoint	Partial evidence	Lisbon, PortugalHQ checked Sep 28, 2026	51-200	40 contacts →
	Partial evidence “DefensePoint builds secure software and delivers cybersecurity services for regulated industries - defense, finance, healthcare, and energy.” Source: RevenueBase Database · checked Sep 28, 2026
5	Metaveiro	Indirect evidence	Aveiro, PortugalHQ checked Sep 28, 2026	11-50	27 contacts →
	Indirect evidence “Fundada em 1996, em Aveiro, a Metaveiro - Segurança e Telecomunicações destaca-se com uma vasta experiência e um portfólio abrangente de clientes e serviços nos setores de…” Source: RevenueBase Database · checked Sep 28, 2026
6	Sensorpoint	Indirect evidence	Sacavém, PortugalHQ checked Sep 28, 2026	11-50	25 contacts →
	Indirect evidence “A Sensorpoint é uma empresa que se diferencia das demais do sector por desenvolver a sua actividade transversalmente ao ciclo de vida de uma instalação.” Source: RevenueBase Database · checked Sep 28, 2026
7	Next IT	Partial evidence	Vila Nova De Gaia, PortugalHQ checked Sep 28, 2026	11-50	25 contacts →
	Partial evidence “Your partner for IT managed services and cybersecurity.” Source: RevenueBase Database · checked Sep 28, 2026
8	Anubisnetworks	Partial evidence	Lisbon, PortugalHQ checked Sep 28, 2026	11-50	25 contacts →
	Partial evidence “AnubisNetworks is an Email CyberSecurity company.” Source: RevenueBase Database · checked Sep 28, 2026
9	Itgest IS	Indirect evidence	Almada, PortugalHQ checked Sep 28, 2026	51-200	20 contacts →
	Indirect evidence “A ITGest IS é uma empresa especializada em infraestruturas tecnológicas, serviços geridos (IT Managed Services) e cibersegurança, posicionando-se como um parceiro estratégico na…” Source: RevenueBase Database · checked Sep 28, 2026
10	Cyber1 Group	Indirect evidence	São João Da Madeira, PortugalHQ checked Sep 28, 2026	11-50	17 contacts →
	Indirect evidence “Cyber1 is an information technology company that presents solutions in the areas of Cyber Security, IoT, Data Protection, Cloud Computing and Cryptocurrency Security.” Source: RevenueBase Database · checked Sep 28, 2026
11	Instaltech Portugal	Partial evidence	Porto, PortugalHQ checked Sep 28, 2026	11-50	17 contacts →
	Partial evidence “Security Systems and IT Engineering” Source: RevenueBase Database · checked Sep 28, 2026
12	Cyberarm	Partial evidence	Viana Do Castelo, PortugalHQ checked Sep 28, 2026	51-200	13 contacts →
	Partial evidence “Established from the ground up in 2016 by Cybersecurity Professionals, CyberArm is unique in its goal of simplifying cybersecurity for all organizations.” Source: RevenueBase Database · checked Sep 28, 2026
13	Visotrónica	Indirect evidence	Viseu, PortugalHQ checked Sep 28, 2026	11-50	12 contacts →
	Indirect evidence “A Visotrónica surgiu em 1983, na área dos sistemas de segurança, nomeadamente CCTV, Sistemas de Alarme, Controlos de Acesso, sistemas de Detenção de Incêndio entre outros.” Source: RevenueBase Database · checked Sep 28, 2026
14	Cyberprotech	Indirect evidence	Loulé, PortugalHQ checked Sep 28, 2026	1-10	11 contacts →
	Indirect evidence “Empresa Especializada em Cibersegurança, Proteção de Dados e Integração de Tecnologias - Cyber Security as a Service (CSaaS)” Source: RevenueBase Database · checked Sep 28, 2026
15	Lockem	Indirect evidence	Leiria, PortugalHQ checked Sep 28, 2026	1-10	10 contacts →
	Indirect evidence “LockEM offers small and medium-sized businesses a robust cyber resilience solution that not only quickly restores operations after a cyberattack, but also ensures compliance with…” Source: RevenueBase Database · checked Sep 28, 2026
16	Whitehat	Indirect evidence	Algés, PortugalHQ checked Sep 28, 2026	1-10	9 contacts →
	Indirect evidence “A WhiteHat, Lda.” Source: RevenueBase Database · checked Sep 28, 2026
17	Trialarmes	Indirect evidence	Braga, PortugalHQ checked Sep 28, 2026	11-50	8 contacts →
	Indirect evidence “A Trialarmes Lda.” Source: RevenueBase Database · checked Sep 28, 2026
18	Securityside, Cybersecurity Services	Indirect evidence	Porto, PortugalHQ checked Sep 28, 2026	11-50	7 contacts →
	Indirect evidence “Established in 2018 as a spinoff of ITSector, SecuritySide is a Portuguese firm founded by a seasoned group of fintech specialists.” Source: RevenueBase Database · checked Sep 28, 2026
19	Thales Edisoft Portugal	Partial evidence	Paco De Arcos, PortugalHQ checked Sep 28, 2026	201-500	6 contacts →
	Partial evidence “Thales Edisoft Portugal is a company which promotes and delivers innovative solutions that enhance its customer’s critical systems´ security, on land, sea, air, space and…” Source: RevenueBase Database · checked Sep 28, 2026
20	Vigion	Indirect evidence	Vila Nova De Gaia, PortugalHQ checked Sep 28, 2026	11-50	6 contacts →
	Indirect evidence “A VIGION – Inovação e Segurança é uma empresa de destaque e referência no mercado nacional pela forma revolucionária como veio inovar e otimizar os sistemas de segurança.” Source: RevenueBase Database · checked Sep 28, 2026
21	Senergil	Indirect evidence	Braga, PortugalHQ checked Sep 28, 2026	11-50	5 contacts →
	Indirect evidence “A SENERGIL é uma empresa com 30 Anos de trabalho nas áreas de- Redes Estruturadas (cablagem, salas técnicas e certificação), soluções de switching, wireless, routing (VPN’s) e…” Source: RevenueBase Database · checked Sep 28, 2026
22	ALLBS	Indirect evidence	Ramada, PortugalHQ checked Sep 28, 2026	11-50	5 contacts →
	Indirect evidence “Tornar a digitalização e a cibersegurança acessíveis a todos, independentemente da dimensão da organização, através de soluções simples, eficazes e confiáveis, permitindo que…” Source: RevenueBase Database · checked Sep 28, 2026
23	On24h	Indirect evidence	Porto, PortugalHQ checked Sep 28, 2026	11-50	5 contacts →
	Indirect evidence “Empresa certificada em instalação e manutenção a sistemas de alarme de intrusão; incêndios; videovigilância, extintores; controlo de acessos e outros.” Source: RevenueBase Database · checked Sep 28, 2026
24	Abusetotal	Indirect evidence	Porto, PortugalHQ checked Sep 28, 2026	1-10	3 contacts →
	Indirect evidence “Empower businesses and organizations to take control of their online security and protect against cyber threats.” Source: RevenueBase Database · checked Sep 28, 2026
25	4 Sftis-Solucoes Integradas DE Seguranca LDA	Indirect evidence	Queluz, PortugalHQ checked Sep 28, 2026	1-10	3 contacts →
	Indirect evidence “A 4SFTIS – Soluções Integradas de Segurança (4Safety®) é uma empresa especializada e certificada na instalação, manutenção e assistência técnica a inúmeros sistemas de segurança…” Source: RevenueBase Database · checked Sep 28, 2026

RevenueBase Smart Search

RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: cybersecurity systems providers. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.

Strong evidence: The company's own public description of its business names cybersecurity systems providers.
Partial evidence: Its own public description names part of cybersecurity systems providers, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name cybersecurity systems providers. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.

RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.

Showing 25 of 115 cybersecurity systems providers based in Portugal

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Cybersecurity systems providers based in Portugal at a glance

As of Sep 28, 2026

23.3%Verified-email coverage

14.0Average contacts per company

1-10Median size (employees)

9.6%Largest-city concentration · Lisboa

Sep 28, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

1,001-5,000

5,001-10,000

Email recency for this list is measured worldwide rather than for Portugal, so it is reported there. Company counts and contact totals on this page are exact for Portugal, over 115 companies.

How this list was built

Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among cybersecurity systems providers, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.

Source: The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
What qualifies: Companies headquartered in Portugal whose own description of what they do matches “cybersecurity systems providers”. Matching reads each company's description, not its industry code or its name.
RevenueBase Smart Search: RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names cybersecurity systems providers), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
What we exclude: Companies whose own description does not clearly place them among cybersecurity systems providers, and records with no verified work email. Companies headquartered outside Portugal are excluded even when they keep an office there.
Match quality: In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
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: Every listed company carries at least one verified work email, 374 across the full list. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
Refresh: This page's figures were pulled from the company graph on September 28, 2026. Lists refresh periodically as the graph is re-checked.
Corrections: Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.

Frequently asked

What is RevenueBase Smart Search?

RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names cybersecurity systems providers, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.

How many cybersecurity systems providers are there based in Portugal?

RevenueBase identified 115 cybersecurity systems providers headquartered in Portugal as of September 2026, matched on each company's own description of what it does rather than its industry code.

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 cybersecurity systems providers?

Lisboa leads with 11 headquartered companies, followed by Lisbon (11) and Porto (9).

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 374 verified decision-maker contacts tracked across these 115 companies.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 28, 2026.

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About this data

RevenueBase is a B2B data infrastructure company. Its company graph covers 60 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 with RevenueBase Smart Search, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.