Company lists · Data refreshed November 2026

Top 19 IT security consultancies based in Madrid, Spain

RevenueBase identified 158 company matches for IT security consultancies associated with Madrid, Spain as of November 2026 and tracks 3,338 professional contacts across them, including 633 with verified work emails. Across Spain, Madrid is the largest hub for this category.

This list covers company matches for IT security consultancies associated with Madrid, 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 November 5, 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 Nov 5, 2026 How this list was built
158Companies
3,338Contacts tracked
633Verified emails
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The 19 largest IT security consultancies based in Madrid, Spain

Ranked by team size
Top 19 of 158 company matches for IT security consultancies based in Madrid, Spain, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 5, 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 matchMadrid, SpainHQ recorded Nov 5, 2026501-1,000473 contacts →

Exact match

“MNEMO: We are #DigitalChallengers.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
2Exact matchMadrid, SpainHQ recorded Nov 5, 2026201-500248 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 · Nov 5, 2026 · View company records in RevenueBase
3Exact matchMadrid, SpainHQ recorded Nov 5, 202651-200191 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 · Nov 5, 2026 · View company records in RevenueBase
4Exact matchMadrid, SpainHQ recorded Nov 5, 202651-200128 contacts →

Exact match

“Empresa de Ciberseguridad soportada en Datos.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
5Exact matchMadrid, SpainHQ recorded Nov 5, 2026201-50094 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 · Nov 5, 2026 · View company records in RevenueBase
6Exact matchMadrid, SpainHQ recorded Nov 5, 202651-20086 contacts →

Exact match

“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…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
7Exact matchMadrid, SpainHQ recorded Nov 5, 202651-20080 contacts →

Exact match

“Protect the data" With only 3 words we define the fundamental mission of Sidertia.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
8Exact matchMadrid, SpainHQ recorded Nov 5, 2026501-1,00079 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 · Nov 5, 2026 · View company records in RevenueBase
9Exact matchMadrid, SpainHQ recorded Nov 5, 202651-20046 contacts →

Exact match

“BeDisruptive is a multinational technology boutique specialising in cybersecurity that supports its clients in designing solutions and maintaining a secure environment in which…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
10Exact matchMadrid, SpainHQ recorded Nov 5, 202651-20044 contacts →

Exact match

“Somos SmartHC, una consultora española con alcance internacional especializada en Seguridad, Inteligencia, Formación y Concienciación, Derecho Tecnológico y Servicios IT.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
11Exact matchMadrid, SpainHQ recorded Nov 5, 202651-20042 contacts →

Exact match

“Atalanta is a company specialising in cybersecurity, digital transformation and training.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
12Exact matchMadrid, SpainHQ recorded Nov 5, 202611-5034 contacts →

Exact match

“Cumplimos 20 años siendo protagonistas de la innovación y el avance tecnológico.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
13Exact matchMadrid, SpainHQ recorded Nov 5, 202611-5019 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
14Exact matchMadrid, SpainHQ recorded Nov 5, 202611-5018 contacts →

Exact match

“Protegemos tu empresa frente a riesgos digitales que amenazan su operativa, reputación y crecimiento.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
15Exact matchMadrid, SpainHQ recorded Nov 5, 20261,001-5,00016 contacts →

Exact match

“Ciberso nace para responder a los desafíos de seguridad que la digitalización acelerada y los nuevos modelos de negocio traen consigo sobre aplicaciones, infraestructuras, datos y…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
16Exact matchMadrid, SpainHQ recorded Nov 5, 202611-5012 contacts →

Exact match

“Consultoria Informatica.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
17Exact matchMadrid, SpainHQ recorded Nov 5, 20261-1011 contacts →

Exact match

“At SIXE, we believe in a cooperative model that allows us to deliver high-value IT services based on reasonable agreements, realistic planning, and competitive pricing.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
18Exact matchMadrid, SpainHQ recorded Nov 5, 202611-508 contacts →

Exact match

“Fojenet es una compañía de informática con sede en Madrid especializada en mantenimiento y seguridad de redes informáticas para mediana y pequeña empresa, con más de 20 años de…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
19Exact matchMadrid, SpainHQ recorded Nov 5, 202611-508 contacts →

Exact match

“Consultoría IT para Empresas especializada en redes informáticas y seguridad informática.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase

Showing 19 of 158 IT security consultancies based in Madrid, Spain

See the full list, filter by size, metro and specialty, and access 633 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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IT security consultancies based in Madrid, Spain at a glance

As of Nov 5, 2026
19.0%Verified-email coverage
21.1Average contacts per company
1-10Median size (employees)
Nov 5, 2026Page data refreshed

Companies by employee count

1-10
93
11-50
41
51-200
13
201-500
4
501-1,000
5
1,001-5,000
1

Email recency for this list is measured across the whole Spain list rather than for Madrid, so it is reported there. Company counts and contact totals on this page are exact for Madrid, over 158 companies.

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 Madrid, Spain whose business descriptions match “IT security consultancies” 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 633 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 November 5, 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.

IT security consultancies by metro in Spain

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 “IT security consultancies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many IT security consultancies are there based in Madrid, Spain?

RevenueBase identified 158 company matches for IT security consultancies associated with Madrid, Spain as of November 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?

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

Which city in Spain has the most IT security consultancies?

Madrid leads Spain with 158 company records, followed by Barcelona (84) and Malaga (21).

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 633 professional contacts with verified work emails tracked across these 158 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 November 5, 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.