Company lists · Data verified August 2026

Top 25 Cybersecurity companies in Portugal

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

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 119 companies tracked

Our directory lists 119 cybersecurity companies in Portugal, with 3,306 professional contacts and 1,677 email addresses. The list was last updated in August 2026, and Lisboa is the single most-represented city among the companies listed.

Cybersecurity companies provide products and services that protect systems, networks, applications, devices, and data from unauthorized access, disruption, or misuse. This list covers companies that provide cybersecurity products, services, consulting, assessments, monitoring, incident response, or related protection for digital systems and data. Ranked by team size, largest first. Data current as of August 28, 2026.

119Companies

3,306Contacts tracked

1,677Verified emails

357Mobile numbers

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The 25 largest cybersecurity companies in Portugal

Ranked by team size

Top 25 of 119 cybersecurity companies 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	Securnet	Lisboa	51-200	134	85
3	Armis Group	Porto	201-500	115	5
4	Visionware	Porto	51-200	105	53
5	Layer8	Porto	51-200	98	74
6	Cybersafe	Alfragide	11-50	55	37
7	Defensepoint	Lisbon	51-200	44	16
8	Chief Security Officers, SA	Amadora	11-50	43	7
9	Ethiack	Paranhos	11-50	41	24
10	Next IT	Vila Nova De Gaia	11-50	25	12
11	Anubisnetworks	Almada	11-50	25	3
12	Itgest IS	Matosinhos	51-200	21	8
13	Rolling Space	Braga	11-50	12	5
14	Aegis Authentication Technologies	Talaide	11-50	12	3
15	Cyberprotech	Loule	1-10	12	2
16	Balwurk	Lisboa	11-50	10	7
17	Lockem	Porto Salvo	1-10	10	5
18	MGVSI	Trofa	1-10	9	6
19	Cyberx, LDA	Matosinhos	1-10	8	3
20	Securityside, Cybersecurity Services	Porto	11-50	7	6
21	Skill & Reach	Porto	1-10	7	4
22	Thales Edisoft Portugal	Paco De Arcos	201-500	6	3
23	Vicxer	Lisbon	11-50	6	3
24	Domusnet	Fatima	1-10	6	1
25	ALLBS	Lajes Do Pico	11-50	5	1
26	Abusetotal	Porto	1-10	4	4
27	Switch Digital Consulting	Porto	1-10	4	2
28	Bytenuts	Funchal	1-10	4	1

Showing 25 of 119 cybersecurity companies in Portugal

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Cybersecurity companies in Portugal at a glance

As of Aug 28, 2026

1-10Median size (employees)

LisboaLargest hub · 18 HQs

357Contacts with mobile numbers

12Emails re-verified in last 30 days

Companies by employee count

1-10

11-50

51-200

201-500

1,001-5,000

Companies by metro

Metro	Companies
Cybersecurity companies in Lisboa	18
Cybersecurity companies in Porto	17
Cybersecurity companies in Lisbon	17
Cybersecurity companies in Alfragide	3
Cybersecurity companies in Amadora	3
Cybersecurity companies in Odivelas	3
Cybersecurity companies in Oeiras	3

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 “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; 12 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 cybersecurity companies are in the directory?

The directory lists 119 cybersecurity companies in Portugal.

Which city has the most cybersecurity companies?

Lisboa is the single most-represented city among the cybersecurity companies on the list.

How many contacts are available for cybersecurity companies?

The directory includes 3,306 professional contacts and 1,677 email addresses for the listed cybersecurity companies.

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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.