Company lists · Data refreshed September 2026

Top 25 Cybersecurity advisory and data privacy consulting services based in Spain

RevenueBase identified 1,177 company matches for cybersecurity advisory and data privacy consulting services associated with Spain as of September 2026 and tracks 56,118 professional contacts across them, including 5,150 with verified work emails and 550 with mobile numbers. Madrid is the largest hub.

This list covers company matches for cybersecurity advisory and data privacy consulting services associated with Spain, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed September 24, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, 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 RevenueBase SmartSearch · Exact Recorded Sep 24, 2026 How this list was built
1,177Companies
56,118Contacts tracked
5,150Verified emails
550Mobile numbers
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The 25 largest cybersecurity advisory and data privacy consulting services based in Spain

Ranked by team size
Top 25 of 1,177 company matches for cybersecurity advisory and data privacy consulting services based in Spain, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 24, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchAlcobendas, SpainHQ recorded Sep 24, 202610001+15,041 contacts →

Exact match

“We are one of the world's leading consultancies in technological services for companies and the public sector.”

Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
2Exact matchAlcobendas, SpainHQ recorded Sep 24, 20261,001-5,000702 contacts →

Exact match

“SIA is the leading cybersecurity company in Spain and Portugal, both in terms of turnover and expert talent, with more than 1,600 specialists.”

Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
3Exact matchValencia, SpainHQ recorded Sep 24, 2026501-1,000683 contacts →

Exact match

“We are a European company specialising in cybersecurity, cyberintelligence and cyberdefence, with more than 20 years of experience protecting critical infrastructures and…”

Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
4Exact matchBarcelona, SpainHQ recorded Sep 24, 2026201-500449 contacts →

Exact match

“Experiencia, especialización y calidad de servicio son los tres valores clave en los que SIRT basa su actividad y la relación con sus clientes.”

Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
5Exact matchMadrid, SpainHQ recorded Sep 24, 2026501-1,000442 contacts →

Exact match

“MNEMO: We are #DigitalChallengers.”

Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
6Exact matchBarcelona, SpainHQ recorded Sep 24, 2026201-500238 contacts →

Exact match

“At NexTReT we are specialized in optimizing the ICT area of our clients and we help them acquire a high level of security with specialized solutions and services in…”

Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
7Exact matchMadrid, SpainHQ recorded Sep 24, 2026201-500229 contacts →

Exact match

“Alhambra es una compañía IT que ayuda a cualquier tipo de organización a proteger sus datos, sus comunicaciones y sus procesos contra todo tipo de incidentes a través de Servicios…”

Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
8Exact matchMadrid, SpainHQ recorded Sep 24, 2026201-500191 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
9Exact matchMadrid, SpainHQ recorded Sep 24, 202651-200183 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
10Exact matchMadrid, SpainHQ recorded Sep 24, 202651-200171 contacts →

Exact match

“Somos una empresa líder en Ciberseguridad, ofrecemos productos y servicios de la más alta calidad.”

Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
11Exact matchMadrid, SpainHQ recorded Sep 24, 2026201-500157 contacts →

Exact match

“Procesia es un grupo innovador experto en tecnología, formación y consultoría para la modernización de la Administración pública y el sector privado.”

Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
12Exact matchA Coruña, SpainHQ recorded Sep 24, 202651-200148 contacts →

Exact match

“Somos ALDABA.”

Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
13Exact matchLas Rozas De Madrid, SpainHQ recorded Sep 24, 202651-200145 contacts →

Exact match

“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…”

Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
14Exact matchMadrid, SpainHQ recorded Sep 24, 202651-200143 contacts →

Exact match

“Search Information Technologies & Communication es una empresa innovadora y dinámica especializada en brindar soluciones tecnológicas avanzadas en el ámbito de las tecnologías de…”

Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
15Exact matchBarcelona, SpainHQ recorded Sep 24, 202651-200132 contacts →

Exact match

“En fhios somos mucho más que una consultora tecnológica, lo somos T-O-D-O: creamos experiencias digitales que transforman a través del marketing digital, la ciberseguridad y el…”

Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
16Exact matchBarcelona, SpainHQ recorded Sep 24, 202651-200132 contacts →

Exact match

“Aktios nace en 2013 con el objetivo de convertir la complejidad tecnológica en crecimiento real de negocio.”

Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
17Exact matchMadrid, SpainHQ recorded Sep 24, 202651-200124 contacts →

Exact match

“Empresa de Ciberseguridad soportada en Datos.”

Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
18Exact matchMadrid, SpainHQ recorded Sep 24, 202651-200123 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
19Exact matchMadrid, SpainHQ recorded Sep 24, 2026201-500119 contacts →

Exact match

“We build and operate complex digital systems in an intelligent, secure and efficient manner, integrating AI where it delivers genuine and controlled value.”

Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
20Exact matchBarcelona, SpainHQ recorded Sep 24, 202651-200114 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
21Exact matchCastellón De La Plana, SpainHQ recorded Sep 24, 2026201-500110 contacts →

Exact match

“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…”

Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
22Exact matchMadrid, SpainHQ recorded Sep 24, 202651-200110 contacts →

Exact match

“Audidat Protección de Datos lleva en el mercado desde 2003, cuando un grupo de abogados y profesionales especializados en economía, marketing y empresa con más de veinte años de…”

Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
23Exact matchMadrid, SpainHQ recorded Sep 24, 202651-200107 contacts →

Exact match

“Cybertrust & Cybersecurity Wise Security is a technology company that is part of Var Group Spain.”

Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
24Exact matchMadrid, SpainHQ recorded Sep 24, 2026501-1,000106 contacts →

Exact match

“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.”

Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
25Exact matchBoadilla Del Monte, SpainHQ recorded Sep 24, 202651-200104 contacts →

Exact match

“Your hybrid infrastructure, cloud and network cybersecurity partner Aiuken Cybersecurity is TOP Vendor 2020 for MDR by Gartner.”

Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase

Showing 25 of 1,177 cybersecurity advisory and data privacy consulting services based in Spain

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Cybersecurity advisory and data privacy consulting services based in Spain at a glance

As of Sep 24, 2026
9.2%Verified-email coverage
1.0%Mobile-number coverage
47.7Average contacts per company
1-10Median size (employees)
23.6%Largest-city concentration · Madrid
Sep 24, 2026Page data refreshed

Companies by employee count

1-10
802
11-50
282
51-200
65
201-500
12
501-1,000
5
1,001-5,000
6
5,001-10,000
1
10001+
1

Freshness & accuracy

How recently the business emails were verified and the company information checked

Email last verified

Median 27.0d

Company record updated

Median 74.0d

How this list was built

The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.

Source
The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
What qualifies
Company records associated with Spain whose business descriptions match “cybersecurity advisory and data privacy consulting services” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
RevenueBase SmartSearch
Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
Public preview
The public preview omits records without a verified work email. Where headquarters information is recorded, preview rows are also filtered to this page’s location. Dataset totals and geographic summaries describe the full matched records before these preview filters.
Match quality
RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
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 displayed company carries at least one verified work email. RevenueBase tracks 5,150 professional contacts with verified work emails across the full matched dataset. 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 24, 2026. Lists refresh periodically as the graph is re-checked.
Record context
Company records and descriptions can change. Check the company's website for its current services and locations.

Frequently asked

What is RevenueBase SmartSearch?

RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “cybersecurity advisory and data privacy consulting services”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many cybersecurity advisory and data privacy consulting services are there based in Spain?

RevenueBase identified 1,177 company matches for cybersecurity advisory and data privacy consulting services associated with Spain as of September 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.

What is the largest company on this list?

Minsait tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most cybersecurity advisory and data privacy consulting services?

Madrid leads with 278 company records, followed by Barcelona (149) and Valencia (40).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 5,150 professional contacts with verified work emails tracked across these 1,177 companies; direct dials are available where recorded.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 24, 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 SmartSearch, 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.