Company lists · Data refreshed September 2026

Top 25 Clinical network security companies based in Brazil

RevenueBase identified 94 company matches for clinical network security companies associated with Brazil as of September 2026 and tracks 854 professional contacts across them, including 309 with verified work emails. Sao Paulo is the largest hub.

This list covers company matches for clinical network security companies associated with Brazil, 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 27, 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 27, 2026 How this list was built
94Companies
854Contacts tracked
309Verified emails
Explore this list → Free signup · no credit card · 500 free credits

The 25 largest clinical network security companies based in Brazil

Ranked by team size
Top 25 of 94 company matches for clinical network security companies based in Brazil, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 27, 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 matchBrasília, BrazilHQ recorded Sep 27, 202651-20058 contacts →

Exact match

“Fundada em 2003, com sede em Brasília/DF e presente em todo território nacional, a FastHelp oferece soluções líderes de mercado no segmento de Segurança da Informação e…”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
2Exact matchSão Paulo, BrazilHQ recorded Sep 27, 202651-20053 contacts →

Exact match

“Há mais de duas décadas, somos mais do que uma provedora de segurança cibernética, e sim a força estratégica na proteção de ambientes críticos e no aumento da maturidade em…”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
3Exact matchBarueri, BrazilHQ recorded Sep 27, 202611-5051 contacts →

Exact match

“A VIWSEC foi fundada em para proteção de serviços corporativos e de e-commerce no início da Internet empresarial no Brasil.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
4Exact matchSão Paulo, BrazilHQ recorded Sep 27, 202651-20049 contacts →

Exact match

“A TDec Network Group atua desde 1992 como um integrador de redes locais, remotas e wi-fi, com forte atuação na área de segurança de redes e Cyber Security.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
5Exact matchSão Paulo, BrazilHQ recorded Sep 27, 202651-20047 contacts →

Exact match

“A CYLK Technologing se dedica àqueles profissionais e empresas que estão sempre se aperfeiçoando, que buscam soluções de TI criativas e inovadoras para reduzir custos, mitigar…”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
6Exact matchSão Paulo, BrazilHQ recorded Sep 27, 202651-20044 contacts →

Exact match

“Cyber threats grow in an advanced and strategic way every day, resulting in great risks for businesses.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
7Exact matchBlumenau, BrazilHQ recorded Sep 27, 202611-5041 contacts →

Exact match

“A DataRunk é uma empresa de inteligência em dados e cibersegurança parceira dos melhores fabricantes do mercado.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
8Exact matchPorto Alegre, BrazilHQ recorded Sep 27, 202651-20038 contacts →

Exact match

“A Gruppen oferece ao mercado as melhores soluções de segurança, dos mais renomados fabricantes globais.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
9Exact matchBelo Horizonte, BrazilHQ recorded Sep 27, 202611-5032 contacts →

Exact match

“Desde 2004, a Strema tem um compromisso claro: proteger empresas contra as ameaças digitais que evoluem todos os dias.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
10Exact matchSao Paulo, BrazilHQ recorded Sep 27, 202651-20032 contacts →

Exact match

“A It4us Cyber Security atua no mercado corporativo e possui uma trajetória de Sucesso na monitoração ativa de nossos clientes, com seu profissionalismo, qualidade e principalmente…”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
11Exact matchSalvador, BrazilHQ recorded Sep 27, 202611-5025 contacts →

Exact match

“A XLOGIC é a sua aliada em cibersegurança e oferece soluções completas e integradas - serviços, produtos e estratégia.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
12Exact matchMinas Gerais, BrazilHQ recorded Sep 27, 202611-5023 contacts →

Exact match

“Há 20 anos na LDC Soluções, nossa missão é liderar o cenário da cibersegurança, oferecendo soluções inovadoras em Tecnologia de Segurança de Redes e Internet, Disponibilidade e…”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
13Exact matchJaraguá Do Sul, BrazilHQ recorded Sep 27, 202611-5021 contacts →

Exact match

“Na era digital, a cibersegurança não é uma opção, é uma necessidade estratégica.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
14Exact matchSão Paulo, BrazilHQ recorded Sep 27, 202611-5019 contacts →

Exact match

“We are specialized on integration and intelligence and fast support for all business type with a qualified team and strategic cybersecurity partners.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
15Exact matchSao Paulo, BrazilHQ recorded Sep 27, 20261-1017 contacts →

Exact match

“Segurança Cibernética para o seu negócio.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
16Exact matchSão Caetano Do Sul, BrazilHQ recorded Sep 27, 20261-1016 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
17Exact matchBrasilia, BrazilHQ recorded Sep 27, 202611-5015 contacts →

Exact match

“NGSX is a technical and modern company 100% focused in Information Security Services.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
18Exact matchCuiabá, BrazilHQ recorded Sep 27, 202611-5013 contacts →

Exact match

“Comercializamos produtos e serviços de cibersegurança para empresas nas áreas de indústria, comércio, agronegócio, educação, saúde, governo, segurança pública, cooperativas e…”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
19Exact matchSão Paulo, BrazilHQ recorded Sep 27, 202611-5012 contacts →

Exact match

“A Segurança da Informação é fundamental em um cenário cada dia mais digital.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
20Exact matchPorto Alegre, BrazilHQ recorded Sep 27, 202611-5010 contacts →

Exact match

“A Five IT presta Consultoria de Tecnologia com os melhores players globais, especializada em Segurança da Informação, Infraestrutura e Cloud.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
21Exact matchSão Paulo, BrazilHQ recorded Sep 27, 202611-508 contacts →

Exact match

“A Eversafe é uma empresa especializada em cibersegurança para empresas de médio porte, com foco na proteção de ambientes corporativos, continuidade operacional e redução de riscos.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
22Exact matchBrasilia, BrazilHQ recorded Sep 27, 202611-508 contacts →

Exact match

“A Hafen Tecnologia surgiu em 2014, em Brasília, para prestar serviços de excelência em Segurança de Redes, Dados e Aplicações.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
23Exact matchRio De Janeiro, BrazilHQ recorded Sep 27, 202611-508 contacts →

Exact match

“A Cysfera oferece experiência global para necessidades locais, motivada pela criação de um futuro digital mais seguro.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
24Exact matchSão Paulo, BrazilHQ recorded Sep 27, 20261-108 contacts →

Exact match

“We help healthcare organizations grow and evolve through technology, with security as the foundation.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
25Exact matchSão Paulo, BrazilHQ recorded Sep 27, 202611-507 contacts →

Exact match

“Proteção e transferência segura de dados para empresas que não podem correr riscos.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase

Showing 25 of 94 clinical network security companies based in Brazil

See the full list, filter by size, metro and specialty, and access 309 tracked professional contacts with verified work emails. Direct dials are available where recorded.

Free signup · no credit card

View the full list →

Clinical network security companies based in Brazil at a glance

As of Sep 27, 2026
36.2%Verified-email coverage
9.1Average contacts per company
1-10Median size (employees)
34.0%Largest-city concentration · Sao Paulo
Sep 27, 2026Page data refreshed

Companies by employee count

1-10
49
11-50
35
51-200
8
201-500
1
1,001-5,000
1

Email recency for this list is measured worldwide rather than for Brazil, so it is reported there. Company counts and contact totals on this page are exact for Brazil, over 94 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 Brazil whose business descriptions match “clinical network 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 309 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 27, 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 “clinical network security companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many clinical network security companies are there based in Brazil?

RevenueBase identified 94 company matches for clinical network security companies associated with Brazil 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?

Fasthelp Segurança DA Informação tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most clinical network security companies?

Sao Paulo leads with 32 company records, followed by Brasilia (6) and Curitiba (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 309 professional contacts with verified work emails tracked across these 94 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 27, 2026.

Ready to reach these companies? Verified emails and direct dials for all 94 clinical network security companies based in Brazil. Start with a free account, no credit card.

Download this list →

Related lists

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.