Company lists · Data verified August 2026

Top 25 Cybersecurity audit companies based in Spain

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

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 220 companies tracked

There are 220 cybersecurity audit companies headquartered in Spain (RevenueBase, August 2026). RevenueBase tracks 3,379 professional contacts across them, including 769 with verified work emails and 94 with mobile numbers. Madrid is the largest hub.

This list covers cybersecurity audit 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.

220Companies

3,379Contacts tracked

769Verified emails

94Mobile numbers

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The 25 largest cybersecurity audit companies based in Spain

Ranked by team size

Top 25 of 220 cybersecurity audit 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	S21sec	Madrid	201-500	192	36
3	Govertis	Valencia	51-200	182	44
4	Attackiq	Barcelona	51-200	158	74
5	Secure&it	Las Rozas De Madrid	51-200	145	9
6	A3sec	Madrid	51-200	122	24
7	Tarlogic	n/a	51-200	122	21
8	A2secure	Madrid	51-200	115	24
9	Wise Security Global	Barcelona	51-200	107	18
10	Innotec Security	Madrid	501-1,000	105	14
11	Áudea Seguridad DE LA Información	Madrid	51-200	76	6
12	Hispasec	Malaga	51-200	68	11
13	Neverhack Spain	Barcelona	51-200	65	13
14	Jtsec Beyond IT Security	Granada	11-50	63	8
15	Ackcent Cybersecurity	n/a	51-200	48	12
16	Lazarus Technology	San Sebastian De Los Reyes	51-200	43	12
17	Internet Security Auditors	Madrid	11-50	41	6
18	Zepo Intelligence	Madrid	11-50	39	3
19	Apolo Cybersecurity	Barcelona	11-50	37	5
20	Madcoms Networks	Barcelona	11-50	32	13
21	Optimumtic	Barcelona	11-50	29	1
22	Legitec, Legislación Y Técnología	Murcia	11-50	28	5
23	Cies Ciberseguridad Y Cumplimiento	Llanera	51-200	22	3
24	Redborder	Zamudio	11-50	21	5
25	Hard2bit Cybersecurity	Leganes	11-50	21	2

Showing 25 of 220 cybersecurity audit companies based in Spain

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Cybersecurity audit companies based in Spain at a glance

As of Aug 28, 2026

1-10Median size (employees)

MadridLargest hub · 65 HQs

94Contacts with mobile numbers

1Emails re-verified in last 30 days

Companies by employee count

1-10

136

11-50

51-200

201-500

501-1,000

1,001-5,000

Cybersecurity audit companies by metro

Metro	Companies
Cybersecurity audit companies in Madrid	65
Cybersecurity audit companies in Barcelona	36
Cybersecurity audit companies in Malaga	11
Cybersecurity audit companies in Murcia	8
Cybersecurity audit companies in Valencia	7
Cybersecurity audit companies in Sevilla	4
Cybersecurity audit companies in Granada	3

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 audit 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 audit companies are there based in Spain?

There are 220 cybersecurity audit 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 audit companies?

Madrid leads with 65 headquartered companies, followed by Barcelona (36) 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 769 verified decision-maker contacts tracked across these 220 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.