Company lists · Data verified August 2026

Top 25 Cybersecurity companies based in Barcelona, Spain

Name: Cybersecurity 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 97 companies tracked

Our directory lists 97 cybersecurity companies based in Barcelona, Spain, with 1,476 professional contacts and 535 email addresses. The list was last updated in August 2026, and Madrid 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.

97Companies

1,476Contacts tracked

535Verified emails

78Mobile numbers

Unlock all 97 companies Free account · no credit card · 2 minutes

The 25 largest cybersecurity companies based in Barcelona, Spain

Ranked by team size

Top 25 of 97 cybersecurity 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	Wise Security Global	Barcelona	51-200	107	18
4	Neverhack Spain	Barcelona	51-200	65	13
5	Apolo Cybersecurity	Barcelona	11-50	37	5
6	Madcoms Networks	Barcelona	11-50	32	13
7	Optimumtic	Barcelona	11-50	29	1
8	Mārs Seguridad	Barcelona	51-200	26	5
9	ZOKYO	Barcelona	11-50	24	6
10	Outpost24 Spain Ex-Blueliv	Barcelona	51-200	20	4
11	Interbel	Barcelona	11-50	17	4
12	Amberwolf	Barcelona	11-50	15	9
13	QALEA	Barcelona	1-10	14	7
14	Invisible Bits	Barcelona	11-50	12	5
15	Lupasafe	Barcelona	11-50	11	7
16	overe.io	Barcelona	11-50	11	6
17	ZEROD	Barcelona	11-50	11	4
18	Bloock	Barcelona	11-50	10	4
19	Axelia Cybersecurity	Barcelona	1-10	10	4
20	Xtree Serveis Informàtics	Barcelona	1-10	10	4
21	Secrets Vault	Barcelona	1-10	10	3
22	CYBER	Barcelona	11-50	9	2
23	Controlcat Seguretat Intel Ligent	Barcelona	1-10	8	1
24	Blackdogs	Barcelona	1-10	8	1
25	Satinfo SL	Barcelona	11-50	7	1

Showing 25 of 97 cybersecurity companies based in Barcelona, Spain

See the full list, filter by size, metro and specialty, and get verified emails and direct dials for all 535 reachable decision-makers.

Free account · no credit card

See all 97 companies

Cybersecurity companies based in Barcelona, Spain at a glance

As of Aug 28, 2026

1-10Median size (employees)

MadridLargest hub · 190 HQs

78Contacts 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

Cybersecurity companies by metro in Spain

Metro	Companies
Cybersecurity companies in Madrid	190
Cybersecurity companies in Barcelona	97
Cybersecurity companies in Malaga	26
Cybersecurity companies in Valencia	13
Cybersecurity companies in Murcia	13
Cybersecurity companies in San Sebastian	9
Cybersecurity companies in Zaragoza	8

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 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 cybersecurity companies are in the directory?

The directory lists 97 cybersecurity companies based in Barcelona, Spain.

Which city has the most cybersecurity companies?

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

How many contacts are available for cybersecurity companies?

The directory includes 1,476 professional contacts and 535 email addresses for the listed cybersecurity companies.

Ready to reach these companies? Verified emails and direct dials for all 97 cybersecurity companies based in Barcelona, Spain. Start with a free account, no credit card.

Get the full list

Related lists

Cybersecurity companies by geography

Browse the directory

Browse: Companies home · Cybersecurity companies in Spain · All Spain lists · All Cybersecurity companies lists · New lists

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.