Company lists · Data refreshed November 2026
Top 21 Ciso services based in Barcelona, Spain
RevenueBase identified 138 company matches for ciso services associated with Barcelona, Spain as of November 2026 and tracks 2,918 professional contacts across them, including 451 with verified work emails. Across Spain, Madrid is the largest hub for this category (277 companies); Barcelona follows with 138.
This list covers company matches for ciso services associated with Barcelona, 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 6, 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.
The 21 largest ciso services based in Barcelona, Spain
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 495 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 · Nov 6, 2026 · View company records in RevenueBase | |||||
| 2 | 254 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 · Nov 6, 2026 · View company records in RevenueBase | |||||
| 3 | 238 contacts → | ||||
Exact match “SOBRE NOSOTROS Nuestra compañía inicia su actividad en el año 1985 con una clara vocación hacia la excelencia en la prestación de todos los servicios.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 4 | 225 contacts → | ||||
Exact match “We help large private groups, companies in all sectors and sizes, and CIOS/CTOs, with their support needs in digital technologies.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 5 | 122 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 · Nov 6, 2026 · View company records in RevenueBase | |||||
| 6 | 93 contacts → | ||||
Exact match “IT Systems integrator company especialized in IT storage systems, backup disaster recovery and server virtualization.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 7 | 59 contacts → | ||||
Exact match “Micro BR, fundada en 1987 por profesionales del ámbito del Networking, es la empresa nacional especializada en soluciones de comunicaciones y seguridad IT para el sector…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 8 | 50 contacts → | ||||
Exact match “CEMOEL, es una empresa nacida en 1991, dedicada a la realización de instalaciones y mantenimiento de Sistemas de Seguridad Integral.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 9 | 45 contacts → | ||||
Exact match “Somos una consultora tecnológica especialista en digitalización y ciberseguridad, Top Partner Cloud de Microsoft.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 10 | 36 contacts → | ||||
Exact match “Apolo Cybersecurity, con sede en Barcelona, ofrece ciberseguridad impulsada por IA: SOC 24/7, CISO as a Service, pentesting, análisis de vulnerabilidades y consultoría…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 11 | 36 contacts → | ||||
Exact match “OptimumTIC es una empresa especialista en CiberSeguridad creada en 2009, dedicada a ofrecer servicios transversales y plataformas gestionadas de los mejores soluciones y equipo…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 12 | 35 contacts → | ||||
Exact match “Madcoms serves companies from all sectors helping them to secure their communications and network infrastructures with the most appropriate technology and advanced design…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 13 | 32 contacts → | ||||
Exact match “Do you run an IT company?” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 14 | 32 contacts → | ||||
Exact match “The Easiest and Most Secure File Transfer & Storage Solution Suite for Your Organization Founded in Barcelona in 2013, Tranxfer is a leading cybersecurity company specializing in…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 15 | 22 contacts → | ||||
Exact match “La mayor oportunidad de una empresa es también su mayor riesgo.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 16 | 19 contacts → | ||||
Exact match “Our Skills are focused on cloud platforms and our expertise with Internet projects bring us a lot of resources with projects like migration to cloud, DRS, resilience architecture…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 17 | 17 contacts → | ||||
Exact match “Nordic Solutions proporciona soluciones de TI basados en la prevención y en la continuidad de negocio.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 18 | 15 contacts → | ||||
Exact match “En Interwor T-SIC se gestionan los proyectos de TI desde la parte de diseño, implementación y mantenimiento, aportando soluciones de sistemas, comunicaciones y seguridad de…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 19 | 12 contacts → | ||||
Exact match “En EsceniT Digital Development ayudamos a las empresas a optimizar sus procesos, mejorar su productividad y acelerar su crecimiento mediante soluciones tecnológicas adaptadas a…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 20 | 12 contacts → | ||||
Exact match “Somos una empresa especializada en soporte y asesoramiento tecnológico.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 21 | 11 contacts → | ||||
Exact match “Internet: Constituye un elementro de gran valor para la empresa, a través nuestro usted puede estar presente y ser conocido en la red de redes.* Proyectos y desarrollos: Esta…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
RevenueBase SmartSearch
Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.
This list uses Exact for “ciso services”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.
Showing 21 of 138 ciso services based in Barcelona, Spain
See the full list, filter by size, metro and specialty, and access 451 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Ciso services based in Barcelona, Spain at a glance
As of Nov 6, 2026Companies by employee count
Email recency for this list is measured across the whole Spain list rather than for Barcelona, so it is reported there. Company counts and contact totals on this page are exact for Barcelona, over 138 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 Barcelona, Spain whose business descriptions match “ciso 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 451 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 6, 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.
Ciso services 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 “ciso services”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many ciso services are there based in Barcelona, Spain?
RevenueBase identified 138 company matches for ciso services associated with Barcelona, 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?
SIRT tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city in Spain has the most ciso services?
Madrid leads Spain with 277 company records, followed by Barcelona (138) and Valencia (31).
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 451 professional contacts with verified work emails tracked across these 138 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 6, 2026.
Ready to reach these companies? Verified emails and direct dials for all 138 ciso services based in Barcelona, Spain. Start with a free account, no credit card.
Download this list →Related lists
Ciso services by geography
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- Ciso services based in Canada
- Ciso services based in Australia
- Ciso services based in Italy
- Ciso services based in Spain
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- Ciso services based in Switzerland
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.
More company lists
Company intelligence · public preview
Top 21 ciso services based in Barcelona, Spain
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 138 matching company records for ciso services based in Barcelona, Spain, with 2,918 tracked contacts and 451 verified work emails.
This public preview shows 21 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: November 6, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 21 ciso services based in Barcelona, Spain
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | HQ: Barcelona, SpainReported employees: 201-500 | Barcelona, Spain | 201-500 | Exact match | 495 contacts → |
“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 description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | HQ: Barcelona, SpainReported employees: 201-500 | Barcelona, Spain | 201-500 | Exact match | 254 contacts → |
“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 description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | HQ: Barcelona, SpainReported employees: 501-1,000 | Barcelona, Spain | 501-1,000 | Exact match | 238 contacts → |
“SOBRE NOSOTROS Nuestra compañía inicia su actividad en el año 1985 con una clara vocación hacia la excelencia en la prestación de todos los servicios.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | HQ: Barcelona, SpainReported employees: 201-500 | Barcelona, Spain | 201-500 | Exact match | 225 contacts → |
“We help large private groups, companies in all sectors and sizes, and CIOS/CTOs, with their support needs in digital technologies.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | HQ: Barcelona, SpainReported employees: 51-200 | Barcelona, Spain | 51-200 | Exact match | 122 contacts → |
“A2SECURE is a global cybersecurity expert based in Spain, founded in 2009 with private capital and now established as a leading MSSP provider.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | HQ: Barcelona, SpainReported employees: 51-200 | Barcelona, Spain | 51-200 | Exact match | 93 contacts → |
“IT Systems integrator company especialized in IT storage systems, backup disaster recovery and server virtualization.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | HQ: Barcelona, SpainReported employees: 11-50 | Barcelona, Spain | 11-50 | Exact match | 59 contacts → |
“Micro BR, fundada en 1987 por profesionales del ámbito del Networking, es la empresa nacional especializada en soluciones de comunicaciones y seguridad IT para el sector…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | HQ: Barcelona, SpainReported employees: 11-50 | Barcelona, Spain | 11-50 | Exact match | 50 contacts → |
“CEMOEL, es una empresa nacida en 1991, dedicada a la realización de instalaciones y mantenimiento de Sistemas de Seguridad Integral.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | HQ: Barcelona, SpainReported employees: 11-50 | Barcelona, Spain | 11-50 | Exact match | 45 contacts → |
“Somos una consultora tecnológica especialista en digitalización y ciberseguridad, Top Partner Cloud de Microsoft.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | HQ: Barcelona, SpainReported employees: 11-50 | Barcelona, Spain | 11-50 | Exact match | 36 contacts → |
“Apolo Cybersecurity, con sede en Barcelona, ofrece ciberseguridad impulsada por IA: SOC 24/7, CISO as a Service, pentesting, análisis de vulnerabilidades y consultoría…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | HQ: Barcelona, SpainReported employees: 11-50 | Barcelona, Spain | 11-50 | Exact match | 36 contacts → |
“OptimumTIC es una empresa especialista en CiberSeguridad creada en 2009, dedicada a ofrecer servicios transversales y plataformas gestionadas de los mejores soluciones y equipo…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | HQ: Barcelona, SpainReported employees: 11-50 | Barcelona, Spain | 11-50 | Exact match | 35 contacts → |
“Madcoms serves companies from all sectors helping them to secure their communications and network infrastructures with the most appropriate technology and advanced design…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | HQ: Barcelona, SpainReported employees: 11-50 | Barcelona, Spain | 11-50 | Exact match | 32 contacts → |
“Do you run an IT company?” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | HQ: Barcelona, SpainReported employees: 51-200 | Barcelona, Spain | 51-200 | Exact match | 32 contacts → |
“The Easiest and Most Secure File Transfer & Storage Solution Suite for Your Organization Founded in Barcelona in 2013, Tranxfer is a leading cybersecurity company specializing in…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | HQ: Barcelona, SpainReported employees: 11-50 | Barcelona, Spain | 11-50 | Exact match | 22 contacts → |
“La mayor oportunidad de una empresa es también su mayor riesgo.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | HQ: Barcelona, SpainReported employees: 11-50 | Barcelona, Spain | 11-50 | Exact match | 19 contacts → |
“Our Skills are focused on cloud platforms and our expertise with Internet projects bring us a lot of resources with projects like migration to cloud, DRS, resilience architecture…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | HQ: Barcelona, SpainReported employees: 11-50 | Barcelona, Spain | 11-50 | Exact match | 17 contacts → |
“Nordic Solutions proporciona soluciones de TI basados en la prevención y en la continuidad de negocio.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | HQ: Barcelona, SpainReported employees: 11-50 | Barcelona, Spain | 11-50 | Exact match | 15 contacts → |
“En Interwor T-SIC se gestionan los proyectos de TI desde la parte de diseño, implementación y mantenimiento, aportando soluciones de sistemas, comunicaciones y seguridad de…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | HQ: Barcelona, SpainReported employees: 1-10 | Barcelona, Spain | 1-10 | Exact match | 12 contacts → |
“En EsceniT Digital Development ayudamos a las empresas a optimizar sus procesos, mejorar su productividad y acelerar su crecimiento mediante soluciones tecnológicas adaptadas a…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | HQ: Barcelona, SpainReported employees: 1-10 | Barcelona, Spain | 1-10 | Exact match | 12 contacts → |
“Somos una empresa especializada en soporte y asesoramiento tecnológico.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | HQ: Barcelona, SpainReported employees: 1-10 | Barcelona, Spain | 1-10 | Exact match | 11 contacts → |
“Internet: Constituye un elementro de gran valor para la empresa, a través nuestro usted puede estar presente y ser conocido en la red de redes.* Proyectos y desarrollos: Esta…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 21 of 138 company matches
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Ciso services: dataset insights
November 6, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
137 records in the displayed employee bands.
1 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured across the whole Spain list rather than for Barcelona, so it is reported there. Company counts and contact totals on this page are exact for Barcelona, over 138 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: November 6, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Ciso services by metro in Spain
Questions about this company list
What does Exact match mean for ciso services?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many ciso services did RevenueBase find based in Barcelona, Spain?
The saved snapshot records 138 matching company records, 2,918 tracked contacts and 451 verified emails. The public preview displays 21 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: November 6, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Ciso services by geography
- Ciso services based in the United States
- Ciso services based in the United Kingdom
- Ciso services based in Brazil
- Ciso services based in France
- Ciso services based in Germany
- Ciso services based in Canada
- Ciso services based in Australia
- Ciso services based in Italy
- Ciso services based in Spain
- Ciso services based in the Netherlands
- Ciso services based in Mexico
- Ciso services based in Switzerland
Cite this list
RevenueBase Data Team. Top 21 ciso services based in Barcelona, Spain. Snapshot: November 6, 2026. https://revenuebase.ai/companies/ciso-services/spain/barcelona.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
Company intelligence · public preview
Top 21 ciso services based in Barcelona, Spain
RevenueBase records 138 matching company records for ciso services based in Barcelona, Spain, with 2,918 tracked contacts and 451 verified work emails.
This public preview shows 21 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: November 6, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 21 ciso services based in Barcelona, Spain
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | HQ: Barcelona, SpainReported employees: 201-500 | Barcelona, Spain | 201-500 | Exact match | 495 contacts → |
“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 description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | HQ: Barcelona, SpainReported employees: 201-500 | Barcelona, Spain | 201-500 | Exact match | 254 contacts → |
“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 description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | HQ: Barcelona, SpainReported employees: 501-1,000 | Barcelona, Spain | 501-1,000 | Exact match | 238 contacts → |
“SOBRE NOSOTROS Nuestra compañía inicia su actividad en el año 1985 con una clara vocación hacia la excelencia en la prestación de todos los servicios.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | HQ: Barcelona, SpainReported employees: 201-500 | Barcelona, Spain | 201-500 | Exact match | 225 contacts → |
“We help large private groups, companies in all sectors and sizes, and CIOS/CTOs, with their support needs in digital technologies.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | HQ: Barcelona, SpainReported employees: 51-200 | Barcelona, Spain | 51-200 | Exact match | 122 contacts → |
“A2SECURE is a global cybersecurity expert based in Spain, founded in 2009 with private capital and now established as a leading MSSP provider.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | HQ: Barcelona, SpainReported employees: 51-200 | Barcelona, Spain | 51-200 | Exact match | 93 contacts → |
“IT Systems integrator company especialized in IT storage systems, backup disaster recovery and server virtualization.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | HQ: Barcelona, SpainReported employees: 11-50 | Barcelona, Spain | 11-50 | Exact match | 59 contacts → |
“Micro BR, fundada en 1987 por profesionales del ámbito del Networking, es la empresa nacional especializada en soluciones de comunicaciones y seguridad IT para el sector…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | HQ: Barcelona, SpainReported employees: 11-50 | Barcelona, Spain | 11-50 | Exact match | 50 contacts → |
“CEMOEL, es una empresa nacida en 1991, dedicada a la realización de instalaciones y mantenimiento de Sistemas de Seguridad Integral.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | HQ: Barcelona, SpainReported employees: 11-50 | Barcelona, Spain | 11-50 | Exact match | 45 contacts → |
“Somos una consultora tecnológica especialista en digitalización y ciberseguridad, Top Partner Cloud de Microsoft.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | HQ: Barcelona, SpainReported employees: 11-50 | Barcelona, Spain | 11-50 | Exact match | 36 contacts → |
“Apolo Cybersecurity, con sede en Barcelona, ofrece ciberseguridad impulsada por IA: SOC 24/7, CISO as a Service, pentesting, análisis de vulnerabilidades y consultoría…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | HQ: Barcelona, SpainReported employees: 11-50 | Barcelona, Spain | 11-50 | Exact match | 36 contacts → |
“OptimumTIC es una empresa especialista en CiberSeguridad creada en 2009, dedicada a ofrecer servicios transversales y plataformas gestionadas de los mejores soluciones y equipo…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | HQ: Barcelona, SpainReported employees: 11-50 | Barcelona, Spain | 11-50 | Exact match | 35 contacts → |
“Madcoms serves companies from all sectors helping them to secure their communications and network infrastructures with the most appropriate technology and advanced design…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | HQ: Barcelona, SpainReported employees: 11-50 | Barcelona, Spain | 11-50 | Exact match | 32 contacts → |
“Do you run an IT company?” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | HQ: Barcelona, SpainReported employees: 51-200 | Barcelona, Spain | 51-200 | Exact match | 32 contacts → |
“The Easiest and Most Secure File Transfer & Storage Solution Suite for Your Organization Founded in Barcelona in 2013, Tranxfer is a leading cybersecurity company specializing in…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | HQ: Barcelona, SpainReported employees: 11-50 | Barcelona, Spain | 11-50 | Exact match | 22 contacts → |
“La mayor oportunidad de una empresa es también su mayor riesgo.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | HQ: Barcelona, SpainReported employees: 11-50 | Barcelona, Spain | 11-50 | Exact match | 19 contacts → |
“Our Skills are focused on cloud platforms and our expertise with Internet projects bring us a lot of resources with projects like migration to cloud, DRS, resilience architecture…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | HQ: Barcelona, SpainReported employees: 11-50 | Barcelona, Spain | 11-50 | Exact match | 17 contacts → |
“Nordic Solutions proporciona soluciones de TI basados en la prevención y en la continuidad de negocio.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | HQ: Barcelona, SpainReported employees: 11-50 | Barcelona, Spain | 11-50 | Exact match | 15 contacts → |
“En Interwor T-SIC se gestionan los proyectos de TI desde la parte de diseño, implementación y mantenimiento, aportando soluciones de sistemas, comunicaciones y seguridad de…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | HQ: Barcelona, SpainReported employees: 1-10 | Barcelona, Spain | 1-10 | Exact match | 12 contacts → |
“En EsceniT Digital Development ayudamos a las empresas a optimizar sus procesos, mejorar su productividad y acelerar su crecimiento mediante soluciones tecnológicas adaptadas a…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | HQ: Barcelona, SpainReported employees: 1-10 | Barcelona, Spain | 1-10 | Exact match | 12 contacts → |
“Somos una empresa especializada en soporte y asesoramiento tecnológico.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | HQ: Barcelona, SpainReported employees: 1-10 | Barcelona, Spain | 1-10 | Exact match | 11 contacts → |
“Internet: Constituye un elementro de gran valor para la empresa, a través nuestro usted puede estar presente y ser conocido en la red de redes.* Proyectos y desarrollos: Esta…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 21 of 138 company matches
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Ciso services: dataset insights
November 6, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
137 records in the displayed employee bands.
1 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured across the whole Spain list rather than for Barcelona, so it is reported there. Company counts and contact totals on this page are exact for Barcelona, over 138 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: November 6, 2026.
Publisher-reported method study
The published RevenueBase SmartSearch benchmark
86% good or better at Exact
RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. It reports 86% of Exact matches judged good or better, and 77% for a 240-pair sample of one- or two-word categories. This evaluates the method across study queries rather than auditing this individual list.
Read the study and full methodology ↗RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Ciso services by metro in Spain
Questions about this company list
What does Exact match mean for ciso services?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many ciso services did RevenueBase find based in Barcelona, Spain?
The saved snapshot records 138 matching company records, 2,918 tracked contacts and 451 verified emails. The public preview displays 21 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: November 6, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Ciso services by geography
- Ciso services based in the United States
- Ciso services based in the United Kingdom
- Ciso services based in Brazil
- Ciso services based in France
- Ciso services based in Germany
- Ciso services based in Canada
- Ciso services based in Australia
- Ciso services based in Italy
- Ciso services based in Spain
- Ciso services based in the Netherlands
- Ciso services based in Mexico
- Ciso services based in Switzerland
Cite this list
RevenueBase Data Team. Top 21 ciso services based in Barcelona, Spain. Snapshot: November 6, 2026. https://revenuebase.ai/companies/ciso-services/spain/barcelona.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗