Company lists · Data refreshed November 2026

Top 22 Ciso services based in Portugal

RevenueBase identified 231 company matches for ciso services associated with Portugal as of November 2026 and tracks 3,440 professional contacts across them, including 1,040 with verified work emails. Lisbon is the largest hub.

This list covers company matches for ciso services 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 November 6, 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.

How to read this list RevenueBase SmartSearch · Exact Recorded Nov 6, 2026 How this list was built
231Companies
3,440Contacts tracked
1,040Verified emails
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The 22 largest ciso services based in Portugal

Ranked by team size
Top 22 of 231 company matches for ciso services based in Portugal, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 6, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchLisbon, PortugalHQ recorded Nov 6, 202651-200174 contacts →

Exact match

“Founded in 2020 and headquartered in Lisbon, with an international presence, InnoTech supports Clients in accelerating digital transformation and delivering high-impact…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchErmesinde, PortugalHQ recorded Nov 6, 202651-200136 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 · Nov 6, 2026 · View company records in RevenueBase
3Exact matchPorto, PortugalHQ recorded Nov 6, 202651-200113 contacts →

Exact match

“A VisionWare é uma empresa 100% portuguesa, fundada em 2005 e altamente especializada em Segurança de Informação: Cibersegurança, TI, investigação forense, compliance, privacidade…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchLisbon, PortugalHQ recorded Nov 6, 202651-200112 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 · Nov 6, 2026 · View company records in RevenueBase
5Exact matchPorto, PortugalHQ recorded Nov 6, 202651-20092 contacts →

Exact match

“A Decsis é uma empresa de tecnologia fundada em 1994 que ajuda empresas a prosperarem com soluções de TI personalizadas e confiáveis.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchMatosinhos, PortugalHQ recorded Nov 6, 202651-20073 contacts →

Exact match

“At ORBCOM, we are passionate about technology and innovation.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchLisbon, PortugalHQ recorded Nov 6, 2026n/a67 contacts →

Exact match

“A IT Consulting é uma empresa que constrói soluções eficientes nas áreas das tecnologias de informação contribuindo para o desenvolvimento e continuidade do seu negócio.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchAlfragide, PortugalHQ recorded Nov 6, 202611-5056 contacts →

Exact match

“CyberSafe is a Portuguese company focused on cybersecurity.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchLisbon, PortugalHQ recorded Nov 6, 202611-5053 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 · Nov 6, 2026 · View company records in RevenueBase
10Exact matchLisbon, PortugalHQ recorded Nov 6, 202651-20049 contacts →

Exact match

“We work to secure and deliver the most fundamental force in business: trust.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchLisbon, PortugalHQ recorded Nov 6, 202651-20046 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 · Nov 6, 2026 · View company records in RevenueBase
12Exact matchCoimbra, PortugalHQ recorded Nov 6, 202611-5044 contacts →

Exact match

“OneSource is an IT company specialized in the fields of data communications, security, networking and systems management, including the consultancy, auditing, design, development…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchLisbon, PortugalHQ recorded Nov 6, 202651-20036 contacts →

Exact match

“We work, IT works.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchAvenidas Novas, PortugalHQ recorded Nov 6, 202611-5026 contacts →

Exact match

“We're an IT professional services company built on a foundation of wisdom, integrity, skills and experience.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchVila Nova De Gaia, PortugalHQ recorded Nov 6, 202611-5024 contacts →

Exact match

“Your partner for IT managed services and cybersecurity.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchAlmada, PortugalHQ recorded Nov 6, 202651-20022 contacts →

Exact match

“A ITGest IS é uma empresa especializada em infraestruturas tecnológicas, serviços geridos (IT Managed Services) e cibersegurança, posicionando-se como um parceiro estratégico na…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchLisbon, PortugalHQ recorded Nov 6, 202651-20021 contacts →

Exact match

“Founded in 1995, Lusorede is a leading player in the IT Portuguese industry, providing a diverse range of solutions in datacenters, electrical infrastructure, data cabling, data…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchMaia, PortugalHQ recorded Nov 6, 202611-5020 contacts →

Exact match

“IT PEERS offers specialized services in infrastructures optimization through end to end proven methodologies and analysis tools.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchLisbon, PortugalHQ recorded Nov 6, 202611-5019 contacts →

Exact match

“Tecnibite provides services in the field of information technology, such as the analysis and development of software solutions, systems integration, design and implementation of…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchLisbon, PortugalHQ recorded Nov 6, 202651-20018 contacts →

Exact match

“iCreate Consulting is an Inoweiser ecosystem company.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchParedes, PortugalHQ recorded Nov 6, 202611-5017 contacts →

Exact match

“A Base TX é uma empresa especializada no desenvolvimento e implementação de Software de Gestão, Infra-Estruturas e Segurança.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchLoulé, PortugalHQ recorded Nov 6, 20261-1017 contacts →

Exact match

“Empresa Especializada em Cibersegurança, Proteção de Dados e Integração de Tecnologias - Cyber Security as a Service (CSaaS)”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase

Showing 22 of 231 ciso services based in Portugal

See the full list, filter by size, metro and specialty, and access 1,040 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Ciso services based in Portugal at a glance

As of Nov 6, 2026
30.2%Verified-email coverage
14.9Average contacts per company
1-10Median size (employees)
29.0%Largest-city concentration · Lisbon
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
137
11-50
63
51-200
23
201-500
3
501-1,000
3
1,001-5,000
2

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 231 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 “ciso services” 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 1,040 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 November 6, 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.

Ciso services by metro

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 “ciso services”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many ciso services are there based in Portugal?

RevenueBase identified 231 company matches for ciso services associated with Portugal as of November 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?

Innotech tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most ciso services?

Lisbon leads with 67 company records, followed by Porto (17) and Vila Nova De Gaia (7).

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 1,040 professional contacts with verified work emails tracked across these 231 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 November 6, 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 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.