Company lists · Data verified August 2026

Top 16 Application security companies based in Barcelona, Spain

Name: Application security companies based in Barcelona, Spain
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 34 companies tracked

There are 34 application security companies headquartered in Barcelona, Spain (RevenueBase, August 2026). RevenueBase tracks 1,071 professional contacts across them, including 458 with verified work emails and 70 with mobile numbers. Madrid is the largest hub.

This list covers application security companies headquartered in Barcelona, Spain, 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.

34Companies

1,071Contacts tracked

458Verified emails

70Mobile numbers

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The 16 largest application security companies based in Barcelona, Spain

Ranked by team size

Top 16 of 34 application security companies based in Barcelona, Spain, 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	Advens	Barcelona	501-1,000	588	314
2	Attackiq	Barcelona	51-200	158	74
3	Neverhack Spain	Barcelona	51-200	65	13
4	Build38	Barcelona	51-200	48	19
5	Apolo Cybersecurity	Barcelona	11-50	37	5
6	Madcoms Networks	Barcelona	11-50	32	13
7	Optimumtic	Barcelona	11-50	29	1
8	ZEROD	Barcelona	11-50	11	4
9	Axelia Cybersecurity	Barcelona	1-10	10	4
10	CYBER	Barcelona	11-50	9	2
11	Blackdogs	Barcelona	1-10	8	1
12	Estratec360	Barcelona	11-50	6	2
13	Bcnsoluciona Ciberseguridad DE Confianza, Siempre Existe UNA Solución	Barcelona	1-10	6	2
14	Quasar Cyber Security	Barcelona	1-10	3	1
15	Asperis Security	Barcelona	1-10	2	2
16	Peakmaven	Barcelona	1-10	1	1

Showing 16 of 34 application security companies based in Barcelona, Spain

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Application security companies based in Barcelona, Spain at a glance

As of Aug 28, 2026

11-50Median size (employees)

MadridLargest hub · 65 HQs

70Contacts with mobile numbers

3Emails re-verified in last 30 days

Companies by employee count

1-10

11-50

51-200

501-1,000

1,001-5,000

Application security companies by metro in Spain

Metro	Companies
Application security companies in Madrid	65
Application security companies in Barcelona	34
Application security companies in Malaga	10
Application security companies in Valencia	7
Application security companies in Murcia	6
Application security companies in Palma	4
Application security companies in Sevilla	4

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 companies”, with match quality audited by blind human judging, and headquartered in Barcelona, Spain.
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; 3 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 companies are there based in Barcelona, Spain?

There are 34 application security companies headquartered in Barcelona, Spain as of August 2026 (RevenueBase).

What is the largest company on this list?

Advens, headquartered in Barcelona, tops this list with the largest team on record.

Which city has the most application security companies?

Madrid leads with 65 headquartered companies, followed by Barcelona (34) and Malaga (10).

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 458 verified decision-maker contacts tracked across these 34 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.