Company lists · Data verified August 2026

Top 25 Cybersecurity risk assessment firms based in Spain

There are 281 cybersecurity risk assessment firms headquartered in Spain (RevenueBase, August 2026). RevenueBase tracks 3,836 professional contacts across them, including 905 with verified work emails and 110 with mobile numbers. Madrid is the largest hub.

This list covers cybersecurity risk assessment firms 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.

281Companies
3,836Contacts tracked
905Verified emails
110Mobile numbers
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The 25 largest cybersecurity risk assessment firms based in Spain

Ranked by team size
Top 25 of 281 cybersecurity risk assessment firms based in Spain, ranked by team size, largest first. Data verified Aug 28, 2026. Click a count to unlock that company's people.
#CompanyHQEmployeesContactsVerified emails
1AdvensBarcelona501-1,000588314
2S21secMadrid201-50019236
3GovertisValencia51-20018244
4AttackiqBarcelona51-20015874
5Secure&itLas Rozas De Madrid51-2001459
6YARIXMadrid201-50013167
7A3secMadrid51-20012224
8Tarlogicn/a51-20012221
9A2secureMadrid51-20011524
10Innotec SecurityMadrid501-1,00010514
11HispasecMalaga51-2006811
12Neverhack SpainBarcelona51-2006513
13Jtsec Beyond IT SecurityGranada11-50638
14Ackcent Cybersecurityn/a51-2004812
15Lazarus TechnologySan Sebastian De Los Reyes51-2004312
16Zepo IntelligenceMadrid11-50393
17DenexusMadrid11-503713
18ZerolynxAlcorcon51-2003710
19Madcoms NetworksBarcelona11-503213
20Perseus Cybersecurity ServicesDerio11-50329
21OptimumticBarcelona11-50291
22Serval NetworksAlcobendas51-200283
23Blackarrow Tarlogicn/a51-200275
24JakincodeVitoria-Gasteiz11-50263
25Cies Ciberseguridad Y CumplimientoLlanera51-200223

Showing 25 of 281 cybersecurity risk assessment firms based in Spain

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Cybersecurity risk assessment firms based in Spain at a glance

As of Aug 28, 2026
1-10Median size (employees)
MadridLargest hub · 87 HQs
110Contacts with mobile numbers
2Emails re-verified in last 30 days

Companies by employee count

1-10
168
11-50
79
51-200
24
201-500
4
501-1,000
3
1,001-5,000
2

Cybersecurity risk assessment firms by metro

MetroCompanies
Cybersecurity risk assessment firms in Madrid87
Cybersecurity risk assessment firms in Barcelona46
Cybersecurity risk assessment firms in Malaga13
Cybersecurity risk assessment firms in Valencia10
Cybersecurity risk assessment firms in Murcia8
Cybersecurity risk assessment firms in Sevilla5
Cybersecurity risk assessment firms in Granada4

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 risk assessment firms”, 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; 2 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 risk assessment firms are there based in Spain?

There are 281 cybersecurity risk assessment firms 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 risk assessment firms?

Madrid leads with 87 headquartered companies, followed by Barcelona (46) and Malaga (13).

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 905 verified decision-maker contacts tracked across these 281 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.