Company lists · Data refreshed September 2026

Top 25 Data breach response consultants based in Spain

RevenueBase identified 189 data breach response consultants headquartered in Spain as of September 2026 and tracks 2,377 professional contacts across them, including 372 with verified work emails. Madrid is the largest hub.

This list covers data breach response consultants headquartered in Spain, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 19, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.

How to read this list HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 19, 2026 86% judged on-target in blind review
189Companies
2,377Contacts tracked
372Verified emails
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The 25 largest data breach response consultants based in Spain

Ranked by team size
Top 25 of 189 data breach response consultants based in Spain, ranked by team size, largest first. Data refreshed Sep 19, 2026. RevenueBase Smart Search rates how each company's information relates to data breach response consultants: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#CompanyRevenueBase Smart SearchHeadquartersEmployeesContacts
1Indirect evidenceMadrid, SpainHQ checked Sep 19, 2026201-500191 contacts →

Indirect evidence

“S21Sec, Cyber Solutions by Thales, is a leading European Cybersecurity pure-player, with more than 400 security experts and an Iberian SOC.”

Source: RevenueBase Database · checked Sep 19, 2026
2Indirect evidenceMadrid, SpainHQ checked Sep 19, 202651-200183 contacts →

Indirect evidence

“Expertos en Ciberseguridad, Privacidad, GRC, IRM y Cumplimiento Normativo unificando la perspectiva Legal y Tecnológica GOVERTIS es la mayor firma de Advisory 100% especializada…”

Source: RevenueBase Database · checked Sep 19, 2026
3Indirect evidenceLas Rozas De Madrid, SpainHQ checked Sep 19, 202651-200145 contacts →

Indirect evidence

“Secure & IT es una empresa especializada en seguridad de la información que trabaja en cinco líneas: compliance, procesos y gobierno IT, sistemas y seguridad IT, seguridad…”

Source: RevenueBase Database · checked Sep 19, 2026
4Indirect evidenceMadrid, SpainHQ checked Sep 19, 202651-200123 contacts →

Indirect evidence

“Tarlogic is an international company that specializes in cyber intelligence and cybersecurity.”

Source: RevenueBase Database · checked Sep 19, 2026
5Indirect evidenceBarcelona, SpainHQ checked Sep 19, 202651-200114 contacts →

Indirect evidence

“A2SECURE is a global cybersecurity expert based in Spain, founded in 2009 with private capital and now established as a leading MSSP provider.”

Source: RevenueBase Database · checked Sep 19, 2026
6Indirect evidenceCastellón De La Plana, SpainHQ checked Sep 19, 2026201-500110 contacts →

Indirect evidence

“IT Security Consulting and Deployment- Sofistic is a cybersecurity company, born from researchers in this field, with offices in USA, Spain, Panama, Colombia, Chile and the…”

Source: RevenueBase Database · checked Sep 19, 2026
7Indirect evidenceMadrid, SpainHQ checked Sep 19, 2026501-1,000106 contacts →

Indirect evidence

“Si andas por aquí, significa que te dedicas a la ciberseguridad, que te gustaría trabajar con nosotros o quizá que necesitas que te ayudemos con alguno de nuestros servicios.”

Source: RevenueBase Database · checked Sep 19, 2026
8Indirect evidenceMadrid, SpainHQ checked Sep 19, 202651-20076 contacts →

Indirect evidence

“Áudea Seguridad de la Información es una consultora tecnológica, con 10 años de experiencia, que presta servicios profesionales relacionados con la gestión de la seguridad de la…”

Source: RevenueBase Database · checked Sep 19, 2026
9Indirect evidenceMadrid, SpainHQ checked Sep 19, 202651-20064 contacts →

Indirect evidence

“As of 2024, Innovery, a leading group in the Italian and European market with a wide range of solutions and services in the field of cybersecurity, has joined Neverhack.”

Source: RevenueBase Database · checked Sep 19, 2026
10Indirect evidenceBarcelona, SpainHQ checked Sep 19, 202651-20048 contacts →

Indirect evidence

“At Ackcent, we focus exclusively on cybersecurity and on delivering outcomes our clients can measure.”

Source: RevenueBase Database · checked Sep 19, 2026
11Indirect evidenceValencia/valència, SpainHQ checked Sep 19, 202651-20048 contacts →

Indirect evidence

“Seguridad y Privacidad de Datos S.L.(FORLOPD) es una consultora de ámbito nacional e internacional especializada en dar completo cumplimiento y asesoramiento a empresas, tanto en…”

Source: RevenueBase Database · checked Sep 19, 2026
12Indirect evidenceSan Sebastián De Los Reyes, SpainHQ checked Sep 19, 202651-20043 contacts →

Indirect evidence

“Somos una empresa especializada en ciberseguridad, que acompaña, protege y asesora al cliente en todo su ciclo de vida digital a través de 3 grandes fases: 1.”

Source: RevenueBase Database · checked Sep 19, 2026
13Indirect evidenceBarcelona, SpainHQ checked Sep 19, 202611-5032 contacts →

Indirect evidence

“Madcoms serves companies from all sectors helping them to secure their communications and network infrastructures with the most appropriate technology and advanced design…”

Source: RevenueBase Database · checked Sep 19, 2026
14Indirect evidenceDerio, SpainHQ checked Sep 19, 202611-5032 contacts →

Indirect evidence

“POR QUÉ PERSEUS?”

Source: RevenueBase Database · checked Sep 19, 2026
15Indirect evidenceBarcelona, SpainHQ checked Sep 19, 202611-5030 contacts →

Indirect evidence

“OptimumTIC es una empresa especialista en CiberSeguridad creada en 2009, dedicada a ofrecer servicios transversales y plataformas gestionadas de los mejores soluciones y equipo…”

Source: RevenueBase Database · checked Sep 19, 2026
16Indirect evidenceAlcobendas, SpainHQ checked Sep 19, 202651-20028 contacts →

Indirect evidence

“SERVAL NETWORKS somos una empresa consultora de Ciberseguridad e Infraestructura de Comunicaciones, con foco en el mercado español de grandes y medianas empresas y operadores de…”

Source: RevenueBase Database · checked Sep 19, 2026
17Indirect evidenceVitoria-gasteiz, SpainHQ checked Sep 19, 202611-5027 contacts →

Indirect evidence

“Expertos en ciberseguridad y compliance en el entorno empresarial.”

Source: RevenueBase Database · checked Sep 19, 2026
18Indirect evidenceMurcia, SpainHQ checked Sep 19, 202611-5025 contacts →

Indirect evidence

“ITRES is the result of the strategic alliance of two companies, SG6 and SYS4NET, with a 15 year experience in new technologies.”

Source: RevenueBase Database · checked Sep 19, 2026
19Indirect evidenceLeganés, SpainHQ checked Sep 19, 202611-5021 contacts →

Indirect evidence

“Hard2bit ayuda a empresas de todos los sectores a reducir riesgo tecnológico y elevar su nivel de ciberseguridad con un enfoque técnico, práctico y orientado a negocio.”

Source: RevenueBase Database · checked Sep 19, 2026
20Indirect evidenceMadrid, SpainHQ checked Sep 19, 202611-5020 contacts →

Indirect evidence

“Expertos en seguridad de la información con amplia experiencia en el sector ubicados en Madrid.”

Source: RevenueBase Database · checked Sep 19, 2026
21Indirect evidenceMurcia, SpainHQ checked Sep 19, 20261-1020 contacts →

Indirect evidence

“Empresa de servicios informáticos dedicada a la tecnología de la información y las comunicaciones.”

Source: RevenueBase Database · checked Sep 19, 2026
22Indirect evidenceMataró, SpainHQ checked Sep 19, 202611-5019 contacts →

Indirect evidence

“Somos una Consultoría especializada en Protección de Datos y Seguridad de la Información.”

Source: RevenueBase Database · checked Sep 19, 2026
23Indirect evidenceCórdoba, SpainHQ checked Sep 19, 202611-5016 contacts →

Indirect evidence

“En GrayHats llevamos más de 13 años ayudando a empresas a proteger lo que realmente importa: su información, su reputación y su continuidad.”

Source: RevenueBase Database · checked Sep 19, 2026
24Indirect evidenceAlcobendas, SpainHQ checked Sep 19, 202611-5015 contacts →

Indirect evidence

“Hacemos soluciones personalizadas y eficientes en ciberseguridad, protección de datos, servicios de datos y consultoría tecnológica para satisfacer las necesidades específicas de…”

Source: RevenueBase Database · checked Sep 19, 2026
25Indirect evidenceValencia, SpainHQ checked Sep 19, 202611-5015 contacts →

Indirect evidence

“Somos un equipo multidisciplinar de 35 profesionales, entre expertos y colaboradores, con una sólida trayectoria en ciberseguridad y una base tecnológica respaldada por nuestro…”

Source: RevenueBase Database · checked Sep 19, 2026

Showing 25 of 189 data breach response consultants based in Spain

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Data breach response consultants based in Spain at a glance

As of Sep 19, 2026
15.6%Verified-email coverage
12.6Average contacts per company
1-10Median size (employees)
25.9%Largest-city concentration · Madrid
Sep 19, 2026Page data refreshed

Companies by employee count

1-10
111
11-50
55
51-200
17
201-500
4
501-1,000
1
1,001-5,000
1

Email recency for this list is measured worldwide rather than for Spain, so it is reported there. Company counts and contact totals on this page are exact for Spain, over 189 companies.

How this list was built

Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among data breach response consultants, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.

Source
The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
What qualifies
Companies headquartered in Spain whose own description of what they do matches “data breach response consultants”. Matching reads each company's description, not its industry code or its name.
RevenueBase Smart Search
RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names data breach response consultants), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
What we exclude
Companies whose own description does not clearly place them among data breach response consultants, and records with no verified work email. Companies headquartered outside Spain are excluded even when they keep an office there.
Match quality
In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
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
Every listed company carries at least one verified work email, 372 across the full list. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
Refresh
This page's figures were pulled from the company graph on September 19, 2026. Lists refresh periodically as the graph is re-checked.
Corrections
Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.

Data breach response consultants by metro

  • Data breach response consultants in Madrid49
  • Data breach response consultants in Barcelona29

Frequently asked

What is RevenueBase Smart Search?

RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names data breach response consultants, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.

How many data breach response consultants are there based in Spain?

RevenueBase identified 189 data breach response consultants headquartered in Spain as of September 2026, matched on each company's own description of what it does rather than its industry code.

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 data breach response consultants?

Madrid leads with 49 headquartered companies, followed by Barcelona (29) and Malaga (7).

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 372 verified decision-maker contacts tracked across these 189 companies.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 19, 2026.

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About this data

RevenueBase is a B2B data infrastructure company. Its company graph covers 60 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 with RevenueBase Smart Search, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.