Company lists · Data verified August 2026

Top 11 Application security consulting firms based in Portugal

Name: Application security consulting firms 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 application security consulting firms headquartered in Portugal (RevenueBase, August 2026). RevenueBase tracks 253 professional contacts across them, including 133 with verified work emails and 16 with mobile numbers. Lisboa is the largest hub.

This list covers application security consulting firms 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

253Contacts tracked

133Verified emails

16Mobile numbers

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The 11 largest application security consulting firms based in Portugal

Ranked by team size

Top 11 of 25 application security consulting firms 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	Layer8	Porto	51-200	98	74
2	Defensepoint	Lisbon	51-200	44	16
3	Ethiack	Paranhos	11-50	41	24
4	Balwurk	Lisboa	11-50	10	7
5	Grupo Oruss	Lisboa	51-200	9	1
6	Vicxer	Lisbon	11-50	6	3
7	Bytenuts	Funchal	1-10	4	1
8	Interpretica	Porto	1-10	3	2
9	Sysvalue	Lisboa	11-50	2	2
10	Takemore	Rebordosa Rebordosa	1-10	2	2
11	South BAY Warriors, LDA	Almada	1-10	1	1

Showing 11 of 25 application security consulting firms based in Portugal

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Application security consulting firms based in Portugal at a glance

As of Aug 28, 2026

1-10Median size (employees)

LisboaLargest hub · 6 HQs

16Contacts with mobile numbers

2Emails re-verified in last 30 days

Companies by employee count

1-10

11-50

51-200

Application security consulting firms by metro

Metro	Companies
Application security consulting firms in Lisboa	6
Application security consulting firms in Lisbon	5
Application security consulting firms in Porto	3
Application security consulting firms in Sao Domingos De Rana	1
Application security consulting firms in Avenidas Novas	1
Application security consulting firms in Santarem	1
Application security consulting firms in Paranhos	1
Application security consulting firms in Portugal	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 “application security consulting firms”, 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; 2 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 application security consulting firms are there based in Portugal?

There are 25 application security consulting firms headquartered in Portugal as of August 2026 (RevenueBase).

What is the largest company on this list?

Layer8, headquartered in Porto, tops this list with the largest team on record.

Which city has the most application security consulting firms?

Lisboa leads with 6 headquartered companies, followed by Lisbon (5) and Porto (3).

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 133 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.