Company lists · Data verified August 2026

Top 25 Cybersecurity threat detection companies based in Spain

Name: Cybersecurity threat detection companies based in Spain
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 141 companies tracked

There are 141 cybersecurity threat detection companies headquartered in Spain (RevenueBase, August 2026). RevenueBase tracks 3,570 professional contacts across them, including 967 with verified work emails and 130 with mobile numbers. Madrid is the largest hub.

This list covers cybersecurity threat detection companies headquartered in 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.

141Companies

3,570Contacts tracked

967Verified emails

130Mobile numbers

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The 25 largest cybersecurity threat detection companies based in Spain

Ranked by team size

Top 25 of 141 cybersecurity threat detection companies based in 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	Panda Security	Bilbao	501-1,000	329	22
3	Socradar Extended Threat Intelligence	Madrid	201-500	259	139
4	Alhambra IT	Madrid	201-500	228	26
5	S21sec	Madrid	201-500	192	36
6	Attackiq	Barcelona	51-200	158	74
7	YARIX	Madrid	201-500	131	67
8	A3sec	Madrid	51-200	122	24
9	Tarlogic	n/a	51-200	122	21
10	Innotec Security	Madrid	501-1,000	105	14
11	Aiuken Cybersecurity	Boadilla Del Monte	51-200	104	21
12	Alto Intelligence	Madrid	51-200	80	24
13	Hispasec	Malaga	51-200	68	11
14	Neverhack Spain	Barcelona	51-200	65	13
15	Ackcent Cybersecurity	n/a	51-200	48	12
16	Virustotal	Malaga	51-200	44	10
17	Lazarus Technology	San Sebastian De Los Reyes	51-200	43	12
18	Countercraft	San Sebastian	51-200	39	18
19	Zepo Intelligence	Madrid	11-50	39	3
20	Apolo Cybersecurity	Barcelona	11-50	37	5
21	Alias Robotics	Vitoria	11-50	31	12
22	Muttii Technologies	Madrid	51-200	26	1
23	Redborder	Zamudio	11-50	21	5
24	Hard2bit Cybersecurity	Leganes	11-50	21	2
25	Outpost24 Spain Ex-Blueliv	Barcelona	51-200	20	4

Showing 25 of 141 cybersecurity threat detection companies based in Spain

See the full list, filter by size, metro and specialty, and get verified emails and direct dials for all 967 reachable decision-makers.

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Cybersecurity threat detection companies based in Spain at a glance

As of Aug 28, 2026

1-10Median size (employees)

MadridLargest hub · 43 HQs

130Contacts with mobile numbers

1Emails re-verified in last 30 days

Companies by employee count

1-10

11-50

51-200

201-500

501-1,000

1,001-5,000

5,001-10,000

Cybersecurity threat detection companies by metro

Metro	Companies
Cybersecurity threat detection companies in Madrid	43
Cybersecurity threat detection companies in Barcelona	31
Cybersecurity threat detection companies in Malaga	11
Cybersecurity threat detection companies in Sevilla	3
Cybersecurity threat detection companies in Valencia	3
Cybersecurity threat detection companies in Palma	2
Cybersecurity threat detection companies in San Sebastian	2

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 threat detection companies”, with match quality audited by blind human judging, and headquartered in 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; 1 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 threat detection companies are there based in Spain?

There are 141 cybersecurity threat detection companies headquartered in 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 cybersecurity threat detection companies?

Madrid leads with 43 headquartered companies, followed by Barcelona (31) and Malaga (11).

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 967 verified decision-maker contacts tracked across these 141 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.