Company lists · Data refreshed August 2026
Top 10 Api security companies based in Madrid, Spain
RevenueBase identified 32 company matches for api security companies associated with Madrid, Spain as of August 2026 and tracks 668 professional contacts across them, including 113 with verified work emails and 8 with mobile numbers. Across Spain, Madrid is the largest hub for this category.
This list covers company matches for api security companies 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 August 31, 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 10 largest api security companies based in Madrid, Spain
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 192 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 · Aug 31, 2026 · View company records in RevenueBase | |||||
| 2 | 122 contacts → | ||||
Exact match “Empresa de Ciberseguridad soportada en Datos.” Recorded in the RevenueBase company graph · Aug 31, 2026 · View company records in RevenueBase | |||||
| 3 | 115 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 · Aug 31, 2026 · View company records in RevenueBase | |||||
| 4 | 105 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 · Aug 31, 2026 · View company records in RevenueBase | |||||
| 5 | 39 contacts → | ||||
Exact match “The average cost of a data breach to your business can range from to $1.24 million.” Recorded in the RevenueBase company graph · Aug 31, 2026 · View company records in RevenueBase | |||||
| 6 | 20 contacts → | ||||
Exact match “Expertos en seguridad de la información con amplia experiencia en el sector ubicados en Madrid.” Recorded in the RevenueBase company graph · Aug 31, 2026 · View company records in RevenueBase | |||||
| 7 | 14 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 · Aug 31, 2026 · View company records in RevenueBase | |||||
| 8 | 11 contacts → | ||||
Exact match “We are a passionate group of security experts with wide experience in Incident Response, Cybersecurity, Infrastructure, Industrial Security and Red Team- We combine our efforts…” Recorded in the RevenueBase company graph · Aug 31, 2026 · View company records in RevenueBase | |||||
| 9 | 4 contacts → | ||||
Exact match “AO Data Cloud es una empresa especializada en infraestructura IT y servicios de ciberseguridad.” Recorded in the RevenueBase company graph · Aug 31, 2026 · View company records in RevenueBase | |||||
| 10 | 2 contacts → | ||||
Exact match “Somos una consultora especializada en Seguridad, Inteligencia y Derecho Digital para hacer frente a las amenazas cibernéticas.” Recorded in the RevenueBase company graph · Aug 31, 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 “api security companies”. 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 10 of 32 api security companies based in Madrid, Spain
See the full list, filter by size, metro and specialty, and access 113 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Api security companies based in Madrid, Spain at a glance
As of Aug 31, 2026Companies by employee count
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 “api security companies” 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 113 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 August 31, 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 “api security companies”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many api security companies are there based in Madrid, Spain?
RevenueBase identified 32 company matches for api security companies associated with Madrid, Spain as of August 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?
S21sec tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city in Spain has the most api security companies?
Madrid leads Spain with 32 company records, followed by Barcelona (18) and Malaga (6).
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 113 professional contacts with verified work emails tracked across these 32 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 August 31, 2026.
Ready to reach these companies? Verified emails and direct dials for all 32 api security companies based in Madrid, Spain. Start with a free account, no credit card.
Download this list →Related lists
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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.
More company lists
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- New lists
- Api security companies based in the United States
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Company intelligence · public preview
Top 10 api security companies based in Madrid, Spain
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 32 matching company records for api security companies based in Madrid, Spain, with 668 tracked contacts and 113 verified work emails.
This public preview shows 10 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: August 31, 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 10 api security companies based in Madrid, 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 | S21secs21sec.com HQ: HQ not recorded; location: Madrid, SpainReported employees: 201-500 | HQ not recorded; location: Madrid, Spain | 201-500 | Exact match | 192 contacts → |
“S21Sec, Cyber Solutions by Thales, is a leading European Cybersecurity pure-player, with more than 400 security experts and an Iberian SOC.” Recorded description excerpt · August 31, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  A3seca3sec.comHQ: HQ not recorded; location: Madrid, SpainReported employees: 51-200 | HQ not recorded; location: Madrid, Spain | 51-200 | Exact match | 122 contacts → |
“Empresa de Ciberseguridad soportada en Datos.” Recorded description excerpt · August 31, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  A2securea2secure.comHQ: HQ not recorded; location: Madrid, SpainReported employees: 51-200 | HQ not recorded; location: Madrid, Spain | 51-200 | Exact match | 115 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 · August 31, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Innotec Securityinnotec.security HQ: HQ not recorded; location: Madrid, SpainReported employees: 501-1,000 | HQ not recorded; location: Madrid, Spain | 501-1,000 | Exact match | 105 contacts → |
“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 description excerpt · August 31, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Zepo Intelligencezepo.aiHQ: HQ not recorded; location: Madrid, SpainReported employees: 11-50 | HQ not recorded; location: Madrid, Spain | 11-50 | Exact match | 39 contacts → |
“The average cost of a data breach to your business can range from to $1.24 million.” Recorded description excerpt · August 31, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Tecnek Ciberseguridadtecnek.comHQ: HQ not recorded; location: Madrid, SpainReported employees: 11-50 | HQ not recorded; location: Madrid, Spain | 11-50 | Exact match | 20 contacts → |
“Expertos en seguridad de la información con amplia experiencia en el sector ubicados en Madrid.” Recorded description excerpt · August 31, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Cibersociberso.comHQ: HQ not recorded; location: Madrid, SpainReported employees: 1,001-5,000 | HQ not recorded; location: Madrid, Spain | 1,001-5,000 | Exact match | 14 contacts → |
“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 description excerpt · August 31, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Alpine Securityalpinesec.ioHQ: HQ not recorded; location: Madrid, SpainReported employees: 1-10 | HQ not recorded; location: Madrid, Spain | 1-10 | Exact match | 11 contacts → |
“We are a passionate group of security experts with wide experience in Incident Response, Cybersecurity, Infrastructure, Industrial Security and Red Team- We combine our efforts…” Recorded description excerpt · August 31, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  AO Data Cloudaodatacloud.esHQ: HQ not recorded; location: Madrid, SpainReported employees: 11-50 | HQ not recorded; location: Madrid, Spain | 11-50 | Exact match | 4 contacts → |
“AO Data Cloud es una empresa especializada en infraestructura IT y servicios de ciberseguridad.” Recorded description excerpt · August 31, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Haveniohavenio.techHQ: HQ not recorded; location: Madrid, SpainReported employees: 1-10 | HQ not recorded; location: Madrid, Spain | 1-10 | Exact match | 2 contacts → |
“Somos una consultora especializada en Seguridad, Inteligencia y Derecho Digital para hacer frente a las amenazas cibernéticas.” Recorded description excerpt · August 31, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 10 of 32 company matches
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Api security companies: dataset insights
August 31, 2026These summaries describe recorded coverage in this saved dataset. Coverage describes records in RevenueBase, rather than a census of every business in this market.
Reported company sizes
32 records in the displayed employee bands.
0 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
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.
Coverage describes records in RevenueBase, rather than a census of every business in this market.
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: August 31, 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 ↗
Questions about this company list
What does Exact match mean for api security companies?
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 api security companies did RevenueBase find based in Madrid, Spain?
The saved snapshot records 32 matching company records, 668 tracked contacts and 113 verified emails. The public preview displays 10 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: August 31, 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
Api security companies by geography
- Api security companies based in the United States
- Api security companies based in the United Kingdom
- Api security companies based in Canada
- Api security companies based in Australia
- Api security companies based in France
- Api security companies based in Brazil
- Api security companies based in Germany
- Api security companies based in the Netherlands
- Api security companies based in Spain
- Api security companies based in Israel
- Api security companies based in Italy
- Api security companies based in Mexico
Cite this list
RevenueBase Data Team. Top 10 api security companies based in Madrid, Spain. Snapshot: August 31, 2026. https://revenuebase.ai/companies/api-security-companies/spain/madrid.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Api security companies based in the United States
- Api security companies based in the United Kingdom
- Api security companies based in Canada
- Api security companies based in Australia
- Api security companies based in France
- Api security companies based in Brazil
Company intelligence · public preview
Top 10 api security companies based in Madrid, Spain
RevenueBase records 32 matching company records for api security companies based in Madrid, Spain, with 668 tracked contacts and 113 verified work emails.
This public preview shows 10 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: August 31, 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 10 api security companies based in Madrid, 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 | S21secs21sec.com HQ: HQ not recorded; location: Madrid, SpainReported employees: 201-500 | HQ not recorded; location: Madrid, Spain | 201-500 | Exact match | 192 contacts → |
“S21Sec, Cyber Solutions by Thales, is a leading European Cybersecurity pure-player, with more than 400 security experts and an Iberian SOC.” Recorded description excerpt · August 31, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | A3seca3sec.com HQ: HQ not recorded; location: Madrid, SpainReported employees: 51-200 | HQ not recorded; location: Madrid, Spain | 51-200 | Exact match | 122 contacts → |
“Empresa de Ciberseguridad soportada en Datos.” Recorded description excerpt · August 31, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | A2securea2secure.com HQ: HQ not recorded; location: Madrid, SpainReported employees: 51-200 | HQ not recorded; location: Madrid, Spain | 51-200 | Exact match | 115 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 · August 31, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Innotec Securityinnotec.security HQ: HQ not recorded; location: Madrid, SpainReported employees: 501-1,000 | HQ not recorded; location: Madrid, Spain | 501-1,000 | Exact match | 105 contacts → |
“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 description excerpt · August 31, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Zepo Intelligencezepo.ai HQ: HQ not recorded; location: Madrid, SpainReported employees: 11-50 | HQ not recorded; location: Madrid, Spain | 11-50 | Exact match | 39 contacts → |
“The average cost of a data breach to your business can range from to $1.24 million.” Recorded description excerpt · August 31, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Tecnek Ciberseguridadtecnek.com HQ: HQ not recorded; location: Madrid, SpainReported employees: 11-50 | HQ not recorded; location: Madrid, Spain | 11-50 | Exact match | 20 contacts → |
“Expertos en seguridad de la información con amplia experiencia en el sector ubicados en Madrid.” Recorded description excerpt · August 31, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Cibersociberso.com HQ: HQ not recorded; location: Madrid, SpainReported employees: 1,001-5,000 | HQ not recorded; location: Madrid, Spain | 1,001-5,000 | Exact match | 14 contacts → |
“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 description excerpt · August 31, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Alpine Securityalpinesec.io HQ: HQ not recorded; location: Madrid, SpainReported employees: 1-10 | HQ not recorded; location: Madrid, Spain | 1-10 | Exact match | 11 contacts → |
“We are a passionate group of security experts with wide experience in Incident Response, Cybersecurity, Infrastructure, Industrial Security and Red Team- We combine our efforts…” Recorded description excerpt · August 31, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | AO Data Cloudaodatacloud.es HQ: HQ not recorded; location: Madrid, SpainReported employees: 11-50 | HQ not recorded; location: Madrid, Spain | 11-50 | Exact match | 4 contacts → |
“AO Data Cloud es una empresa especializada en infraestructura IT y servicios de ciberseguridad.” Recorded description excerpt · August 31, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Haveniohavenio.tech HQ: HQ not recorded; location: Madrid, SpainReported employees: 1-10 | HQ not recorded; location: Madrid, Spain | 1-10 | Exact match | 2 contacts → |
“Somos una consultora especializada en Seguridad, Inteligencia y Derecho Digital para hacer frente a las amenazas cibernéticas.” Recorded description excerpt · August 31, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 10 of 32 company matches
Build a targeted audience, find relevant contacts and export available records to your workflow.
Free signup · 500 credits · limited free results
Api security companies: dataset insights
August 31, 2026These summaries describe recorded coverage in this saved dataset. Coverage describes records in RevenueBase, rather than a census of every business in this market.
Reported company sizes
32 records in the displayed employee bands.
0 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
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.
Coverage describes records in RevenueBase, rather than a census of every business in this market.
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: August 31, 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 ↗
Questions about this company list
What does Exact match mean for api security companies?
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 api security companies did RevenueBase find based in Madrid, Spain?
The saved snapshot records 32 matching company records, 668 tracked contacts and 113 verified emails. The public preview displays 10 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: August 31, 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
Api security companies by geography
- Api security companies based in the United States
- Api security companies based in the United Kingdom
- Api security companies based in Canada
- Api security companies based in Australia
- Api security companies based in France
- Api security companies based in Brazil
- Api security companies based in Germany
- Api security companies based in the Netherlands
- Api security companies based in Spain
- Api security companies based in Israel
- Api security companies based in Italy
- Api security companies based in Mexico
Cite this list
RevenueBase Data Team. Top 10 api security companies based in Madrid, Spain. Snapshot: August 31, 2026. https://revenuebase.ai/companies/api-security-companies/spain/madrid.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Api security companies based in the United States
- Api security companies based in the United Kingdom
- Api security companies based in Canada
- Api security companies based in Australia
- Api security companies based in France
- Api security companies based in Brazil