Company lists · Data verified August 2026

Top 8 AI cybersecurity companies based in Portugal

Name: AI cybersecurity companies based in Portugal
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 25 companies tracked

There are 25 AI cybersecurity companies headquartered in Portugal (RevenueBase, August 2026). RevenueBase tracks 2,011 professional contacts across them, including 1,296 with verified work emails and 300 with mobile numbers. Lisboa is the largest hub.

This list covers AI cybersecurity companies headquartered in Portugal, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Data current as of August 28, 2026.

25Companies

2,011Contacts tracked

1,296Verified emails

300Mobile numbers

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The 8 largest AI cybersecurity companies based in Portugal

Ranked by team size

Top 8 of 25 AI cybersecurity companies based in Portugal, ranked by team size, largest first. Data verified Aug 28, 2026. Click a count to unlock that company's people.
#	Company	HQ	Employees	Contacts	Verified emails
1	N-Able	Lisboa	1,001-5,000	1,881	1,243
2	Cybersafe	Alfragide	11-50	55	37
3	Cyberprotech	Loule	1-10	12	2
4	Securityside, Cybersecurity Services	Porto	11-50	7	6
5	3coresec	Lisbon	1-10	4	4
6	Pround	Maceda	1-10	2	2
7	Ubixploit	Lisboa	1-10	2	1
8	Cyberops	Alfragide	11-50	1	1

Showing 8 of 25 AI cybersecurity companies based in Portugal

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AI cybersecurity companies based in Portugal at a glance

As of Aug 28, 2026

1-10Median size (employees)

LisboaLargest hub · 6 HQs

300Contacts with mobile numbers

9Emails re-verified in last 30 days

Companies by employee count

1-10

11-50

51-200

1,001-5,000

AI cybersecurity companies by metro

Metro	Companies
AI cybersecurity companies in Lisboa	6
AI cybersecurity companies in Porto	4
AI cybersecurity companies in Lisbon	4
AI cybersecurity companies in Alfragide	2
AI cybersecurity companies in Oeiras	2
AI cybersecurity companies in Malveira Malveira	1
AI cybersecurity companies in Loule	1
AI cybersecurity companies in Maceda	1

How this list was built

Source: The RevenueBase company graph: 21.3 million companies and 398.9 million professional contacts resolved from primary sources.
Inclusion: Companies whose own business descriptions match “AI cybersecurity companies”, with match quality audited by blind human judging, and headquartered in Portugal.
Ranking: Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
Verification: Contact records re-verify on a rolling cadence; 9 contacts on this list were re-verified in the last 30 days.
Refresh: Lists are refreshed periodically as the underlying company graph is re-verified. Last verified Aug 28, 2026.

Frequently asked

How many AI cybersecurity companies are there based in Portugal?

There are 25 AI cybersecurity companies headquartered in Portugal as of August 2026 (RevenueBase).

What is the largest company on this list?

N-Able, headquartered in Lisboa, tops this list with the largest team on record.

Which city has the most AI cybersecurity companies?

Lisboa leads with 6 headquartered companies, followed by Porto (4) and Lisbon (4).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 1,296 verified decision-maker contacts tracked across these 25 companies.

How current is this list?

The list is refreshed periodically as the underlying company graph is re-verified. It was last verified on August 28, 2026.

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About this data

RevenueBase is a B2B contact data platform. Its company graph covers 21.3 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph, the same data that powers RevenueBase's B2B data products and the free research portal.