Company lists · Data refreshed September 2026
Top 24 Critical infrastructure defense based in Portugal
RevenueBase identified 79 company matches for critical infrastructure defense associated with Portugal as of September 2026 and tracks 1,598 professional contacts across them, including 358 with verified work emails. Lisbon is the largest hub.
This list covers company matches for critical infrastructure defense associated with Portugal, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed September 16, 2026.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, 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.
The 24 largest critical infrastructure defense based in Portugal
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 129 contacts → | ||||
Exact match “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…” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 2 | 96 contacts → | ||||
Exact match “A LAYER8 é uma empresa de Segurança da Informação e Gestão de Conformidade dedicada à proteção dos seus ativos digitais e à garantia da conformidade regulamentar.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 3 | 70 contacts → | ||||
Exact match “Engenharia de Segurança O Grupo Global Segurança foi fundado em 1985, e é actualmente um dos mais antigos na actividade da segurança.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 4 | 56 contacts → | ||||
Exact match “CyberSafe is a Portuguese company focused on cybersecurity.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 5 | 43 contacts → | ||||
Exact match “Chief Security Officers it's a company of the group Art of Knowledge, specialized in the field of information security.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 6 | 40 contacts → | ||||
Exact match “DefensePoint builds secure software and delivers cybersecurity services for regulated industries - defense, finance, healthcare, and energy.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 7 | 27 contacts → | ||||
Exact match “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…” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 8 | 25 contacts → | ||||
Exact match “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.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 9 | 25 contacts → | ||||
Exact match “Your partner for IT managed services and cybersecurity.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 10 | 20 contacts → | ||||
Exact match “GLOONE is a company incorporated in 2004.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 11 | 15 contacts → | ||||
Exact match “AGORA is a software engineering company focused on developing applications for physical security services and management.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 12 | 13 contacts → | ||||
Exact match “Established from the ground up in 2016 by Cybersecurity Professionals, CyberArm is unique in its goal of simplifying cybersecurity for all organizations.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 13 | 10 contacts → | ||||
Exact match “We are consulting services company specialising in cyber security with a focus on Application Security & GRC.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 14 | 8 contacts → | ||||
Exact match “A PROXSYS SOLUTIONS é uma empresa integradora de soluções tecnológicas, com vasta experiência na área de Sistemas de Informação e Segurança.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 15 | 6 contacts → | ||||
Exact match “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…” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 16 | 6 contacts → | ||||
Exact match “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.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 17 | 6 contacts → | ||||
Exact match “A SOC · Segurança Privada é uma empresa especializada na análise e prevenção de riscos, no desenvolvimento de Soluções e Serviços na área da Segurança e Vigilância.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 18 | 4 contacts → | ||||
Exact match “Previchama is a company based out of Portugal.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 19 | 4 contacts → | ||||
Exact match “A Switch Digital Consulting (SDC) é uma consultora especializada em cibersegurança, focada na definição e implementação de estratégias que reforçam a resiliência digital.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 20 | 3 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 21 | 3 contacts → | ||||
Exact match “3|Strategy helps organizations get ready for cyber threats.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 22 | 2 contacts → | ||||
Exact match “Sysvalue is specialized in consulting, integration and security services.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 23 | 2 contacts → | ||||
Exact match “A nossa missão é proteger o seu negócio e garantir que seus dados estejam sempre seguros.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 24 | 2 contacts → | ||||
Exact match “A TakeMore é uma empresa de consultoria em TI e Cibersegurança, especializada na concepção, implementação e gestão de sistemas de informação, soluções de produção e…” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
RevenueBase SmartSearch
Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.
This list uses Exact for “critical infrastructure defense”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.
Showing 24 of 79 critical infrastructure defense based in Portugal
See the full list, filter by size, metro and specialty, and access 358 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Critical infrastructure defense based in Portugal at a glance
As of Sep 16, 2026Companies by employee count
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 79 companies.
How this list was built
The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.
- Source
- The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
- What qualifies
- Company records associated with Portugal whose business descriptions match “critical infrastructure defense” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
- RevenueBase SmartSearch
- Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
- Public preview
- The public preview omits records without a verified work email. Where headquarters information is recorded, preview rows are also filtered to this page’s location. Dataset totals and geographic summaries describe the full matched records before these preview filters.
- Match quality
- RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
- 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 displayed company carries at least one verified work email. RevenueBase tracks 358 professional contacts with verified work emails across the full matched dataset. 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 16, 2026. Lists refresh periodically as the graph is re-checked.
- Record context
- Company records and descriptions can change. Check the company's website for its current services and locations.
Frequently asked
What is RevenueBase SmartSearch?
RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “critical infrastructure defense”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many critical infrastructure defense are there based in Portugal?
RevenueBase identified 79 company matches for critical infrastructure defense associated with Portugal as of September 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.
What is the largest company on this list?
Securnet tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most critical infrastructure defense?
Lisbon leads with 23 company records, followed by Amadora (3) and Porto (3).
How do I get contact information for these companies?
A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 358 professional contacts with verified work emails tracked across these 79 companies; direct dials are available where recorded.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 16, 2026.
Ready to reach these companies? Verified emails and direct dials for all 79 critical infrastructure defense based in Portugal. Start with a free account, no credit card.
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Critical infrastructure defense by geography
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- Critical infrastructure defense based in Melbourne, Australia
- Critical infrastructure defense based in Perth, Australia
- Critical infrastructure defense based in Sydney, Australia
- Critical infrastructure defense based in Belo Horizonte, Brazil
- Critical infrastructure defense based in Brasilia, Brazil
- Critical infrastructure defense based in Curitiba, Brazil
- Critical infrastructure defense based in Porto Alegre, Brazil
- Critical infrastructure defense based in Rio De Janeiro, Brazil
- Critical infrastructure defense based in Sao Paulo, Brazil
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 SmartSearch, 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.
More company lists
- All company lists
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- Lists A-Z
- New lists
- Critical infrastructure defense based in Adelaide, Australia
- Critical infrastructure defense based in Brisbane, Australia
- Critical infrastructure defense based in Canberra, Australia
- Critical infrastructure defense based in Melbourne, Australia
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Company intelligence · public preview
Top 24 critical infrastructure defense based in Portugal
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 79 matching company records for critical infrastructure defense based in Portugal, with 1,598 tracked contacts and 358 verified work emails.
This public preview shows 24 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 16, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 24 critical infrastructure defense based in Portugal
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 |  Securnetsecurnet.ptHQ: Ermesinde, PortugalReported employees: 51-200 | Ermesinde, Portugal | 51-200 | Exact match | 129 contacts → |
“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…” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Layer8layer8.ptHQ: Lisbon, PortugalReported employees: 51-200 | Lisbon, Portugal | 51-200 | Exact match | 96 contacts → |
“A LAYER8 é uma empresa de Segurança da Informação e Gestão de Conformidade dedicada à proteção dos seus ativos digitais e à garantia da conformidade regulamentar.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Global Segurançaglobal-seguranca.ptHQ: Carnaxide, PortugalReported employees: 11-50 | Carnaxide, Portugal | 11-50 | Exact match | 70 contacts → |
“Engenharia de Segurança O Grupo Global Segurança foi fundado em 1985, e é actualmente um dos mais antigos na actividade da segurança.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Cybersafecybersafe.ptHQ: Alfragide, PortugalReported employees: 11-50 | Alfragide, Portugal | 11-50 | Exact match | 56 contacts → |
“CyberSafe is a Portuguese company focused on cybersecurity.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | HQ: Lisbon, PortugalReported employees: 11-50 | Lisbon, Portugal | 11-50 | Exact match | 43 contacts → |
“Chief Security Officers it's a company of the group Art of Knowledge, specialized in the field of information security.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Defensepointdefensepoint.comHQ: Lisbon, PortugalReported employees: 51-200 | Lisbon, Portugal | 51-200 | Exact match | 40 contacts → |
“DefensePoint builds secure software and delivers cybersecurity services for regulated industries - defense, finance, healthcare, and energy.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Metaveirometaveiro.comHQ: Aveiro, PortugalReported employees: 11-50 | Aveiro, Portugal | 11-50 | Exact match | 27 contacts → |
“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…” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Sensorpointsensorpoint.ptHQ: Sacavém, PortugalReported employees: 11-50 | Sacavém, Portugal | 11-50 | Exact match | 25 contacts → |
“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.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Next ITnext-it.ptHQ: Vila Nova De Gaia, PortugalReported employees: 11-50 | Vila Nova De Gaia, Portugal | 11-50 | Exact match | 25 contacts → |
“Your partner for IT managed services and cybersecurity.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Gloone For Critical Environmentsgloone.comHQ: Matosinhos, PortugalReported employees: 11-50 | Matosinhos, Portugal | 11-50 | Exact match | 20 contacts → |
“GLOONE is a company incorporated in 2004.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Agora SYSagorasystems.comHQ: Lisbon, PortugalReported employees: 11-50 | Lisbon, Portugal | 11-50 | Exact match | 15 contacts → |
“AGORA is a software engineering company focused on developing applications for physical security services and management.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Cyberarmcyberarm.aiHQ: Viana Do Castelo, PortugalReported employees: 51-200 | Viana Do Castelo, Portugal | 51-200 | Exact match | 13 contacts → |
“Established from the ground up in 2016 by Cybersecurity Professionals, CyberArm is unique in its goal of simplifying cybersecurity for all organizations.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Balwurkbalwurk.comHQ: Lisbon, PortugalReported employees: 11-50 | Lisbon, Portugal | 11-50 | Exact match | 10 contacts → |
“We are consulting services company specialising in cyber security with a focus on Application Security & GRC.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Proxsys Solutionsproxsys.ptHQ: Ermesinde, PortugalReported employees: 11-50 | Ermesinde, Portugal | 11-50 | Exact match | 8 contacts → |
“A PROXSYS SOLUTIONS é uma empresa integradora de soluções tecnológicas, com vasta experiência na área de Sistemas de Informação e Segurança.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Thales Edisoft Portugalthalesgroup.comHQ: Paco De Arcos, PortugalReported employees: 201-500 | Paco De Arcos, Portugal | 201-500 | Exact match | 6 contacts → |
“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…” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Vigionvigion.comHQ: Vila Nova De Gaia, PortugalReported employees: 11-50 | Vila Nova De Gaia, Portugal | 11-50 | Exact match | 6 contacts → |
“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.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  SOC Segurança Privadasoc.com.ptHQ: Lisbon, PortugalReported employees: 51-200 | Lisbon, Portugal | 51-200 | Exact match | 6 contacts → |
“A SOC · Segurança Privada é uma empresa especializada na análise e prevenção de riscos, no desenvolvimento de Soluções e Serviços na área da Segurança e Vigilância.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Previchamaprevichama.ptHQ: Lousã, PortugalReported employees: 51-200 | Lousã, Portugal | 51-200 | Exact match | 4 contacts → |
“Previchama is a company based out of Portugal.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Switch Digital Consultingswitch.ptHQ: Porto, PortugalReported employees: 1-10 | Porto, Portugal | 1-10 | Exact match | 4 contacts → |
“A Switch Digital Consulting (SDC) é uma consultora especializada em cibersegurança, focada na definição e implementação de estratégias que reforçam a resiliência digital.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Extinçorextincor.ptHQ: Ponta Delgada, PortugalReported employees: 11-50 | Ponta Delgada, Portugal | 11-50 | Exact match | 3 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 21 |  3 Strategy3strategy.ptHQ: Odivelas, PortugalReported employees: 1-10 | Odivelas, Portugal | 1-10 | Exact match | 3 contacts → |
“3|Strategy helps organizations get ready for cyber threats.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Sysvaluesysvalue.comHQ: Lisbon, PortugalReported employees: 11-50 | Lisbon, Portugal | 11-50 | Exact match | 2 contacts → |
“Sysvalue is specialized in consulting, integration and security services.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Proundpround.ptHQ: Maceda, PortugalReported employees: 1-10 | Maceda, Portugal | 1-10 | Exact match | 2 contacts → |
“A nossa missão é proteger o seu negócio e garantir que seus dados estejam sempre seguros.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Takemoretakemore.ptHQ: Rebordosa, PortugalReported employees: 1-10 | Rebordosa, Portugal | 1-10 | Exact match | 2 contacts → |
“A TakeMore é uma empresa de consultoria em TI e Cibersegurança, especializada na concepção, implementação e gestão de sistemas de informação, soluções de produção e…” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 24 of 79 company matches
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Critical infrastructure defense: dataset insights
September 16, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
79 records in the displayed employee bands.
0 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
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 79 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: September 16, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Questions about this company list
What does Exact match mean for critical infrastructure defense?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many critical infrastructure defense did RevenueBase find based in Portugal?
The saved snapshot records 79 matching company records, 1,598 tracked contacts and 358 verified emails. The public preview displays 24 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: September 16, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Critical infrastructure defense by geography
- Critical infrastructure defense based in Adelaide, Australia
- Critical infrastructure defense based in Brisbane, Australia
- Critical infrastructure defense based in Canberra, Australia
- Critical infrastructure defense based in Melbourne, Australia
- Critical infrastructure defense based in Perth, Australia
- Critical infrastructure defense based in Sydney, Australia
- Critical infrastructure defense based in Belo Horizonte, Brazil
- Critical infrastructure defense based in Brasilia, Brazil
- Critical infrastructure defense based in Curitiba, Brazil
- Critical infrastructure defense based in Porto Alegre, Brazil
- Critical infrastructure defense based in Rio De Janeiro, Brazil
- Critical infrastructure defense based in Sao Paulo, Brazil
Cite this list
RevenueBase Data Team. Top 24 critical infrastructure defense based in Portugal. Snapshot: September 16, 2026. https://revenuebase.ai/companies/critical-infrastructure-defense/portugal.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Critical infrastructure defense based in Adelaide, Australia
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- Critical infrastructure defense based in Canberra, Australia
- Critical infrastructure defense based in Melbourne, Australia
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- Critical infrastructure defense based in Sydney, Australia
Company intelligence · public preview
Top 24 critical infrastructure defense based in Portugal
RevenueBase records 79 matching company records for critical infrastructure defense based in Portugal, with 1,598 tracked contacts and 358 verified work emails.
This public preview shows 24 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 16, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 24 critical infrastructure defense based in Portugal
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | Securnetsecurnet.pt HQ: Ermesinde, PortugalReported employees: 51-200 | Ermesinde, Portugal | 51-200 | Exact match | 129 contacts → |
“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…” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Layer8layer8.pt HQ: Lisbon, PortugalReported employees: 51-200 | Lisbon, Portugal | 51-200 | Exact match | 96 contacts → |
“A LAYER8 é uma empresa de Segurança da Informação e Gestão de Conformidade dedicada à proteção dos seus ativos digitais e à garantia da conformidade regulamentar.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Global Segurançaglobal-seguranca.pt HQ: Carnaxide, PortugalReported employees: 11-50 | Carnaxide, Portugal | 11-50 | Exact match | 70 contacts → |
“Engenharia de Segurança O Grupo Global Segurança foi fundado em 1985, e é actualmente um dos mais antigos na actividade da segurança.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Cybersafecybersafe.pt HQ: Alfragide, PortugalReported employees: 11-50 | Alfragide, Portugal | 11-50 | Exact match | 56 contacts → |
“CyberSafe is a Portuguese company focused on cybersecurity.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | HQ: Lisbon, PortugalReported employees: 11-50 | Lisbon, Portugal | 11-50 | Exact match | 43 contacts → |
“Chief Security Officers it's a company of the group Art of Knowledge, specialized in the field of information security.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Defensepointdefensepoint.com HQ: Lisbon, PortugalReported employees: 51-200 | Lisbon, Portugal | 51-200 | Exact match | 40 contacts → |
“DefensePoint builds secure software and delivers cybersecurity services for regulated industries - defense, finance, healthcare, and energy.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Metaveirometaveiro.com HQ: Aveiro, PortugalReported employees: 11-50 | Aveiro, Portugal | 11-50 | Exact match | 27 contacts → |
“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…” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Sensorpointsensorpoint.pt HQ: Sacavém, PortugalReported employees: 11-50 | Sacavém, Portugal | 11-50 | Exact match | 25 contacts → |
“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.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Next ITnext-it.pt HQ: Vila Nova De Gaia, PortugalReported employees: 11-50 | Vila Nova De Gaia, Portugal | 11-50 | Exact match | 25 contacts → |
“Your partner for IT managed services and cybersecurity.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Gloone For Critical Environmentsgloone.com HQ: Matosinhos, PortugalReported employees: 11-50 | Matosinhos, Portugal | 11-50 | Exact match | 20 contacts → |
“GLOONE is a company incorporated in 2004.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Agora SYSagorasystems.com HQ: Lisbon, PortugalReported employees: 11-50 | Lisbon, Portugal | 11-50 | Exact match | 15 contacts → |
“AGORA is a software engineering company focused on developing applications for physical security services and management.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Cyberarmcyberarm.ai HQ: Viana Do Castelo, PortugalReported employees: 51-200 | Viana Do Castelo, Portugal | 51-200 | Exact match | 13 contacts → |
“Established from the ground up in 2016 by Cybersecurity Professionals, CyberArm is unique in its goal of simplifying cybersecurity for all organizations.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Balwurkbalwurk.com HQ: Lisbon, PortugalReported employees: 11-50 | Lisbon, Portugal | 11-50 | Exact match | 10 contacts → |
“We are consulting services company specialising in cyber security with a focus on Application Security & GRC.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Proxsys Solutionsproxsys.pt HQ: Ermesinde, PortugalReported employees: 11-50 | Ermesinde, Portugal | 11-50 | Exact match | 8 contacts → |
“A PROXSYS SOLUTIONS é uma empresa integradora de soluções tecnológicas, com vasta experiência na área de Sistemas de Informação e Segurança.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Thales Edisoft Portugalthalesgroup.com HQ: Paco De Arcos, PortugalReported employees: 201-500 | Paco De Arcos, Portugal | 201-500 | Exact match | 6 contacts → |
“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…” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Vigionvigion.com HQ: Vila Nova De Gaia, PortugalReported employees: 11-50 | Vila Nova De Gaia, Portugal | 11-50 | Exact match | 6 contacts → |
“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.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | SOC Segurança Privadasoc.com.pt HQ: Lisbon, PortugalReported employees: 51-200 | Lisbon, Portugal | 51-200 | Exact match | 6 contacts → |
“A SOC · Segurança Privada é uma empresa especializada na análise e prevenção de riscos, no desenvolvimento de Soluções e Serviços na área da Segurança e Vigilância.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Previchamaprevichama.pt HQ: Lousã, PortugalReported employees: 51-200 | Lousã, Portugal | 51-200 | Exact match | 4 contacts → |
“Previchama is a company based out of Portugal.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Switch Digital Consultingswitch.pt HQ: Porto, PortugalReported employees: 1-10 | Porto, Portugal | 1-10 | Exact match | 4 contacts → |
“A Switch Digital Consulting (SDC) é uma consultora especializada em cibersegurança, focada na definição e implementação de estratégias que reforçam a resiliência digital.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Extinçorextincor.pt HQ: Ponta Delgada, PortugalReported employees: 11-50 | Ponta Delgada, Portugal | 11-50 | Exact match | 3 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 21 | 3 Strategy3strategy.pt HQ: Odivelas, PortugalReported employees: 1-10 | Odivelas, Portugal | 1-10 | Exact match | 3 contacts → |
“3|Strategy helps organizations get ready for cyber threats.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Sysvaluesysvalue.com HQ: Lisbon, PortugalReported employees: 11-50 | Lisbon, Portugal | 11-50 | Exact match | 2 contacts → |
“Sysvalue is specialized in consulting, integration and security services.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Proundpround.pt HQ: Maceda, PortugalReported employees: 1-10 | Maceda, Portugal | 1-10 | Exact match | 2 contacts → |
“A nossa missão é proteger o seu negócio e garantir que seus dados estejam sempre seguros.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Takemoretakemore.pt HQ: Rebordosa, PortugalReported employees: 1-10 | Rebordosa, Portugal | 1-10 | Exact match | 2 contacts → |
“A TakeMore é uma empresa de consultoria em TI e Cibersegurança, especializada na concepção, implementação e gestão de sistemas de informação, soluções de produção e…” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 24 of 79 company matches
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Critical infrastructure defense: dataset insights
September 16, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
79 records in the displayed employee bands.
0 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
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 79 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: September 16, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Questions about this company list
What does Exact match mean for critical infrastructure defense?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many critical infrastructure defense did RevenueBase find based in Portugal?
The saved snapshot records 79 matching company records, 1,598 tracked contacts and 358 verified emails. The public preview displays 24 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: September 16, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Critical infrastructure defense by geography
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- Critical infrastructure defense based in Curitiba, Brazil
- Critical infrastructure defense based in Porto Alegre, Brazil
- Critical infrastructure defense based in Rio De Janeiro, Brazil
- Critical infrastructure defense based in Sao Paulo, Brazil
Cite this list
RevenueBase Data Team. Top 24 critical infrastructure defense based in Portugal. Snapshot: September 16, 2026. https://revenuebase.ai/companies/critical-infrastructure-defense/portugal.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
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