Company lists · Data refreshed September 2026

Top 25 Cybersecurity advisory and data privacy consulting services based in Portugal

RevenueBase identified 182 company matches for cybersecurity advisory and data privacy consulting services associated with Portugal as of September 2026 and tracks 1,641 professional contacts across them, including 613 with verified work emails and 102 with mobile numbers. Lisbon is the largest hub.

This list covers company matches for cybersecurity advisory and data privacy consulting 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 September 24, 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 Sep 24, 2026 How this list was built
182Companies
1,641Contacts tracked
613Verified emails
102Mobile numbers
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The 25 largest cybersecurity advisory and data privacy consulting services based in Portugal

Ranked by team size
Top 25 of 182 company matches for cybersecurity advisory and data privacy consulting services based in Portugal, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 24, 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 matchErmesinde, PortugalHQ recorded Sep 24, 202651-200129 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 24, 2026 · View company records in RevenueBase
2Exact matchPorto, PortugalHQ recorded Sep 24, 2026201-500115 contacts →

Exact match

“ARMIS is a technology group with more than 19 years of history, dedicated to innovation, development and implementation of solutions that improve the growth of its clients.”

Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
3Exact matchPorto, PortugalHQ recorded Sep 24, 202651-200105 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 · Sep 24, 2026 · View company records in RevenueBase
4Exact matchLisbon, PortugalHQ recorded Sep 24, 202651-20096 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 24, 2026 · View company records in RevenueBase
5Exact matchPorto, PortugalHQ recorded Sep 24, 202651-20088 contacts →

Exact match

“A VP atua nas áreas de Estratégia, Consultoria e Digital, com especial impacto nos domínios de Governance, Risk & Compliance (GRC) e Performance Empresarial (PRF).”

Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
6Exact matchMatosinhos, PortugalHQ recorded Sep 24, 202651-20070 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
7Exact matchAlfragide, PortugalHQ recorded Sep 24, 202611-5056 contacts →

Exact match

“CyberSafe is a Portuguese company focused on cybersecurity.”

Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
8Exact matchLisbon, PortugalHQ recorded Sep 24, 202651-20045 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
9Exact matchCoimbra, PortugalHQ recorded Sep 24, 202611-5043 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 · Sep 24, 2026 · View company records in RevenueBase
10Exact matchLisbon, PortugalHQ recorded Sep 24, 202651-20040 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 24, 2026 · View company records in RevenueBase
11Exact matchLisbon, PortugalHQ recorded Sep 24, 202651-20037 contacts →

Exact match

“We work, IT works.”

Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
12Exact matchEsposende, PortugalHQ recorded Sep 24, 202611-5029 contacts →

Exact match

“O Grupo Érre garante serviços de consultoria em diversas áreas de atuação no mercado nacional e internacional.”

Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
13Exact matchLisbon, PortugalHQ recorded Sep 24, 202611-5027 contacts →

Exact match

“Information technology consulting services”

Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
14Exact matchVila Nova De Gaia, PortugalHQ recorded Sep 24, 202611-5025 contacts →

Exact match

“Your partner for IT managed services and cybersecurity.”

Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
15Exact matchAlmada, PortugalHQ recorded Sep 24, 202651-20020 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 · Sep 24, 2026 · View company records in RevenueBase
16Exact matchSão João Da Madeira, PortugalHQ recorded Sep 24, 202611-5017 contacts →

Exact match

“Cyber1 is an information technology company that presents solutions in the areas of Cyber Security, IoT, Data Protection, Cloud Computing and Cryptocurrency Security.”

Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
17Exact matchPorto, PortugalHQ recorded Sep 24, 202611-5016 contacts →

Exact match

“ADYTA is a spin-off of the University of Porto, with exclusively Portuguese capitals, whose objective is the promotion of specialized solutions adapted to the needs of sovereign…”

Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
18Exact matchLisbon, PortugalHQ recorded Sep 24, 202611-5014 contacts →

Exact match

“FUTURA is a multidisciplinary consulting boutique that helps organizations understand the Digital Revolution 4.0, cyber risks as well as legal and regulatory requirements.”

Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
19Exact matchViana Do Castelo, PortugalHQ recorded Sep 24, 202651-20013 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 24, 2026 · View company records in RevenueBase
20Exact matchBraga, PortugalHQ recorded Sep 24, 202611-5012 contacts →

Exact match

“Rolling Space is an IT company.”

Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
21Exact matchLisbon, PortugalHQ recorded Sep 24, 202651-20012 contacts →

Exact match

“We run IT!”

Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
22Exact matchCarnaxide, PortugalHQ recorded Sep 24, 202611-5011 contacts →

Exact match

“Hexónio is focused on Information Technology Consulting, mainly in software and infrastructure.”

Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
23Exact matchLoulé, PortugalHQ recorded Sep 24, 20261-1011 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 · Sep 24, 2026 · View company records in RevenueBase
24Exact matchLisbon, PortugalHQ recorded Sep 24, 202611-5010 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 24, 2026 · View company records in RevenueBase
25Exact matchLisbon, PortugalHQ recorded Sep 24, 20261-1010 contacts →

Exact match

“KNOWLEDGE ON DATA PROTECTION!”

Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase

Showing 25 of 182 cybersecurity advisory and data privacy consulting services based in Portugal

See the full list, filter by size, metro and specialty, and access 613 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Cybersecurity advisory and data privacy consulting services based in Portugal at a glance

As of Sep 24, 2026
37.4%Verified-email coverage
6.2%Mobile-number coverage
9.0Average contacts per company
1-10Median size (employees)
34.1%Largest-city concentration · Lisbon
Sep 24, 2026Page data refreshed

Companies by employee count

1-10
125
11-50
39
51-200
15
201-500
2
501-1,000
1

Freshness & accuracy

How recently the business emails were verified and the company information checked

Email last verified

Median 26.0d

Company record updated

Median 68.0d

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 “cybersecurity advisory and data privacy consulting 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 613 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 24, 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 “cybersecurity advisory and data privacy consulting services”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many cybersecurity advisory and data privacy consulting services are there based in Portugal?

RevenueBase identified 182 company matches for cybersecurity advisory and data privacy consulting services 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 cybersecurity advisory and data privacy consulting services?

Lisbon leads with 62 company records, followed by Porto (19) and Leiria (4).

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 613 professional contacts with verified work emails tracked across these 182 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 24, 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.