Company lists · Data verified August 2026

Top 12 AI security companies based in Madrid, Spain

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

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 27 companies tracked

There are 27 AI security companies headquartered in Madrid, Spain (RevenueBase, August 2026). RevenueBase tracks 1,850 professional contacts across them, including 292 with verified work emails and 32 with mobile numbers. Madrid is the largest hub.

This list covers AI security companies headquartered in Madrid, 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.

27Companies

1,850Contacts tracked

292Verified emails

32Mobile numbers

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The 12 largest AI security companies based in Madrid, Spain

Ranked by team size

Top 12 of 27 AI security companies based in Madrid, 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	Risco Group	Madrid	501-1,000	294	182
2	Alhambra IT	Madrid	201-500	228	26
3	S21sec	Madrid	201-500	192	36
4	A3sec	Madrid	51-200	122	24
5	Covert Security Plana Fābrega	Madrid	51-200	39	8
6	Muttii Technologies	Madrid	51-200	26	1
7	Enthec	Madrid	11-50	20	4
8	Tecisa	Madrid	11-50	16	2
9	Areani	Madrid	11-50	9	3
10	Byron Labs	Madrid	1-10	7	2
11	Sumwall Technology	Madrid	1-10	7	1
12	Flameera	Madrid	1-10	4	3

Showing 12 of 27 AI security companies based in Madrid, Spain

See the full list, filter by size, metro and specialty, and get verified emails and direct dials for all 292 reachable decision-makers.

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AI security companies based in Madrid, Spain at a glance

As of Aug 28, 2026

11-50Median size (employees)

MadridLargest hub · 27 HQs

32Contacts with mobile numbers

0Emails re-verified in last 30 days

Companies by employee count

1-10

11-50

51-200

201-500

501-1,000

5,001-10,000

AI security companies by metro in Spain

Metro	Companies
AI security companies in Madrid	27
AI security companies in Barcelona	17
AI security companies in Malaga	3
AI security companies in Vigo	3
AI security companies in Valencia	2
AI security companies in Vitoria	2
AI security companies in Zaragoza	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 “AI security companies”, with match quality audited by blind human judging, and headquartered in Madrid, 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; 0 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 AI security companies are there based in Madrid, Spain?

There are 27 AI security companies headquartered in Madrid, Spain as of August 2026 (RevenueBase).

What is the largest company on this list?

Risco Group, headquartered in Madrid, tops this list with the largest team on record.

Which city has the most AI security companies?

Madrid leads with 27 headquartered companies, followed by Barcelona (17) and Malaga (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 292 verified decision-maker contacts tracked across these 27 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.