Company lists · Data verified August 2026

Top 22 Cybersecurity energy sector companies based in Spain

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

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 56 companies tracked

There are 56 cybersecurity energy sector companies headquartered in Spain (RevenueBase, August 2026). RevenueBase tracks 1,093 professional contacts across them, including 152 with verified work emails and 6 with mobile numbers. Madrid is the largest hub.

This list covers cybersecurity energy sector 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.

56Companies

1,093Contacts tracked

152Verified emails

6Mobile numbers

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The 22 largest cybersecurity energy sector companies based in Spain

Ranked by team size

Top 22 of 56 cybersecurity energy sector 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	S21sec	Madrid	201-500	192	36
2	Tarlogic	n/a	51-200	122	21
3	A2secure	Madrid	51-200	115	24
4	Innotec Security	Madrid	501-1,000	105	14
5	Hispasec	Malaga	51-200	68	11
6	Titanium Industrial Security S.L	San Sebastian	11-50	45	8
7	Madcoms Networks	Barcelona	11-50	32	13
8	Minery Report	Madrid	11-50	24	2
9	Hard2bit Cybersecurity	Leganes	11-50	21	2
10	Beonesec Cybersecurity	Sevilla	11-50	20	3
11	Ciberso	Madrid	1,001-5,000	14	1
12	Cibertrs	Valencia	11-50	14	1
13	Cross Mind Technology	San Sebastian De Los Reyes	11-50	13	1
14	CYBER	Barcelona	11-50	9	2
15	Synergial Cybersecurity	Olesa De Montserrat	11-50	8	4
16	Cibersare	Barakaldo	1-10	8	1
17	Black9 Cybersecurity	Las Palmas De Gran Canaria	11-50	4	1
18	Cibersegura	n/a	1-10	3	2
19	Alisec Soluciones S.L	Llanera	1-10	2	2
20	Otpoint	Barcelona	11-50	2	1
21	Bluntcore Smart Security	Madrid	1-10	1	1
22	Pelion Consulting	n/a	1-10	1	1

Showing 22 of 56 cybersecurity energy sector companies based in Spain

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Cybersecurity energy sector companies based in Spain at a glance

As of Aug 28, 2026

1-10Median size (employees)

MadridLargest hub · 17 HQs

6Contacts 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

1,001-5,000

Cybersecurity energy sector companies by metro

Metro	Companies
Cybersecurity energy sector companies in Madrid	17
Cybersecurity energy sector companies in Barcelona	7
Cybersecurity energy sector companies in Sevilla	3
Cybersecurity energy sector companies in Murcia	2
Cybersecurity energy sector companies in Malaga	2
Cybersecurity energy sector companies in Ourense	1
Cybersecurity energy sector companies in Valencia	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 “cybersecurity energy sector 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; 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 cybersecurity energy sector companies are there based in Spain?

There are 56 cybersecurity energy sector companies 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 cybersecurity energy sector companies?

Madrid leads with 17 headquartered companies, followed by Barcelona (7) and Sevilla (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 152 verified decision-maker contacts tracked across these 56 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.