Company lists · Data verified August 2026

Top 22 Cyber security services for utilities based in Spain

Name: Cyber security services for utilities based in Spain
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 69 companies tracked

There are 69 cyber security services for utilities headquartered in Spain (RevenueBase, August 2026). RevenueBase tracks 932 professional contacts across them, including 136 with verified work emails and 5 with mobile numbers. Madrid is the largest hub.

This list covers cyber security services for utilities 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.

69Companies

932Contacts tracked

136Verified emails

5Mobile numbers

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The 22 largest cyber security services for utilities based in Spain

Ranked by team size

Top 22 of 69 cyber security services for utilities 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	S21sec	Madrid	201-500	192	36
2	A2secure	Madrid	51-200	115	24
3	Ackcent Cybersecurity	n/a	51-200	48	12
4	Titanium Industrial Security S.L	San Sebastian	11-50	45	8
5	Cyberpeace	Sant Cugat Del Valles	51-200	41	8
6	Madcoms Networks	Barcelona	11-50	32	13
7	Grupo Linka	Rivas-Vaciamadrid	11-50	30	8
8	Hard2bit Cybersecurity	Leganes	11-50	21	2
9	Beonesec Cybersecurity	Sevilla	11-50	20	3
10	Tecnek Ciberseguridad	Madrid	11-50	20	3
11	Auditech	Madrid	11-50	14	2
12	Ciberso	Madrid	1,001-5,000	14	1
13	Cibertrs	Valencia	11-50	14	1
14	Alpine Security	Madrid	1-10	11	5
15	CYBER	Barcelona	11-50	9	2
16	Osane Consulting	Minano	11-50	7	1
17	Black9 Cybersecurity	Las Palmas De Gran Canaria	11-50	4	1
18	Automática Integral	Tarragona	1-10	4	1
19	Havenio	Madrid	1-10	2	2
20	Otpoint	Barcelona	11-50	2	1
21	Pelion Consulting	n/a	1-10	1	1
22	Peakmaven	Barcelona	1-10	1	1

Showing 22 of 69 cyber security services for utilities based in Spain

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Cyber security services for utilities based in Spain at a glance

As of Aug 28, 2026

1-10Median size (employees)

MadridLargest hub · 18 HQs

5Contacts with mobile numbers

0Emails re-verified in last 30 days

Companies by employee count

1-10

11-50

51-200

201-500

1,001-5,000

Cyber security services for utilities by metro

Metro	Companies
Cyber security services for utilities in Madrid	18
Cyber security services for utilities in Barcelona	11
Cyber security services for utilities in Valencia	3
Cyber security services for utilities in Sevilla	3
Cyber security services for utilities in Malaga	2
Cyber security services for utilities in Tarragona	1
Cyber security services for utilities in Navarra	1

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 “cyber security services for utilities”, 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; 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 cyber security services for utilities are there based in Spain?

There are 69 cyber security services for utilities headquartered in Spain as of August 2026 (RevenueBase).

What is the largest company on this list?

S21sec, headquartered in Madrid, tops this list with the largest team on record.

Which city has the most cyber security services for utilities?

Madrid leads with 18 headquartered companies, followed by Barcelona (11) and Valencia (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 136 verified decision-maker contacts tracked across these 69 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.