Company lists · Data refreshed November 2026
Top 25 Critical infrastructure security services based in Brazil
RevenueBase identified 810 company matches for critical infrastructure security services associated with Brazil as of November 2026 and tracks 38,004 professional contacts across them, including 3,491 with verified work emails. Sao Paulo is the largest hub.
This list covers company matches for critical infrastructure security services 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 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.
The 25 largest critical infrastructure security services based in Brazil
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 5,254 contacts → | ||||
Exact match “A SegurPro é o próximo passo em segurança privada.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 2 | 4,705 contacts → | ||||
Exact match “O que é trabalhar no Grupo Haganá?” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 3 | 2,369 contacts → | ||||
Exact match “Com mais de 8 mil colaboradores, presente em 11 estados, vencedora do Prêmio Valor Carreira por sete vezes consecutivas, certificada pela GPTW e única empresa brasileira membro do…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 4 | 1,548 contacts → | ||||
Exact match “O Grupo Comando G8 é referência nacional na implantação e operação de soluções integradas em segurança e serviços.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 5 | 692 contacts → | ||||
Exact match “O Grupo Evik é uma empresa especialista no gerenciamento de projetos integrados de segurança patrimonial, tendo como propósito utilizar toda sua experiência adquirida ao longo dos…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 6 | 683 contacts → | ||||
Exact match “TBI segurança atua na área de vigilância e segurança patrimonial privada oferecendo ao mercado profissionais altamente treinados, dotados de qualificação e postura diferenciadas…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 7 | 566 contacts → | ||||
Exact match “A base de um sólido relacionamento deve estar sempre alicerçada em um valor: confiança.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 8 | 462 contacts → | ||||
Exact match “A ASTER Sistemas de Segurança vem desde 2004, se notabilizando pelo uso de tecnologia e inovadores processos operacionais na prestação de serviços a condomínios residenciais…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 9 | 401 contacts → | ||||
Exact match “O GRUPO MEGAVIG se consolida entre as empresas mais renomadas do setor de segurança e serviços terceirizados.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 10 | 364 contacts → | ||||
Exact match “Há mais de 25 anos no mercado, com atuação nacional e com uma estrutura moderna, o Grupo Liberdade tem se destacado na execução de serviços de segurança que não se limitam a…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 11 | 359 contacts → | ||||
Exact match “A SAFEWAY empresa que integra a plataforma de cibersegurança do Grupo Stefanini se une a Protega.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 12 | 357 contacts → | ||||
Exact match “A OBSERVE nasceu com o desafio de construir novos valores que sustentem não apenas a segurança minimizada e periférica, mas sim, uma gestão de riscos incorporada a todos os…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 13 | 306 contacts → | ||||
Exact match “Grupo SEI - is a facilities services company based out of Brazil.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 14 | 290 contacts → | ||||
Exact match “O Grupo SCHIMITD é composto por três empresas: SCHIMITD Serviços de Segurança, a SCHIMITD Eletrônica e a SCHIMITD Serviços Gerais.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 15 | 274 contacts → | ||||
Exact match “We are a young company, founded in 2019 in Brazil, with the aim of bringing an innovative approach to the information security market, with state-of-the-art proprietary and…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 16 | 270 contacts → | ||||
Exact match “A Solor protege, opera e evolui ambientes críticos com inteligência e automação.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 17 | 265 contacts → | ||||
Exact match “O Grupo Invicta é uma empresa consolidada no setor de Segurança Corporativa, oferecendo soluções 360°.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 18 | 265 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 19 | 211 contacts → | ||||
Exact match “O nosso trabalho é proteger o seu.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 20 | 195 contacts → | ||||
Exact match “Oferecemos soluções avançadas em Infraestrutura de TI, Cibersegurança e Inteligência Artificial, projetadas para ambientes de missão crítica e alta complexidade tecnológica.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 21 | 183 contacts → | ||||
Exact match “Referência nacional em gestão e tecnologia de segurança, a AutoDefesa Brasil Atua com uma abordagem 360°, oferecendo soluções inovadoras que vão desde a concepção até a…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 22 | 181 contacts → | ||||
Exact match “At iT.eam, we deliver more than technology: we create results.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 23 | 177 contacts → | ||||
Exact match “Com 19 anos de atuação no mercado brasileiro, o Grupo SCSEG se orgulha em ser referência nos segmentos de Segurança Humana e Eletrônica, além da Terceirização de Serviços…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 24 | 174 contacts → | ||||
Exact match “Future has been active in the information security market since 1997, bringing confidentiality, integrity, availability and compliance to our customers.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 25 | 167 contacts → | ||||
Exact match “O GrupoSEG é uma empresa pernambucana líder no mercado de vigilância eletrônica, com sede no Recife-PE e filiais no interior do Estado e nas capitais do Nordeste.” Recorded in the RevenueBase company graph · Nov 5, 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 “critical infrastructure security 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 25 of 810 critical infrastructure security services based in Brazil
See the full list, filter by size, metro and specialty, and access 3,491 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Critical infrastructure security services based in Brazil at a glance
As of Nov 5, 2026Companies by employee count
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 810 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 “critical infrastructure security 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 3,491 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.
Critical infrastructure security services by metro
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 “critical infrastructure security services”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many critical infrastructure security services are there based in Brazil?
RevenueBase identified 810 company matches for critical infrastructure security services associated with Brazil 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?
Segurpro tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most critical infrastructure security services?
Sao Paulo leads with 229 company records, followed by Rio De Janeiro (63) and Belo Horizonte (32).
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 3,491 professional contacts with verified work emails tracked across these 810 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.
Ready to reach these companies? Verified emails and direct dials for all 810 critical infrastructure security services based in Brazil. Start with a free account, no credit card.
Download this list →Related lists
Critical infrastructure security services by geography
- Critical infrastructure security services based in Buenos Aires, Argentina
- Critical infrastructure security services based in Brisbane, Australia
- Critical infrastructure security services based in Melbourne, Australia
- Critical infrastructure security services based in Perth, Australia
- Critical infrastructure security services based in Sydney, Australia
- Critical infrastructure security services based in Vienna, Austria
- Critical infrastructure security services based in Belo Horizonte, Brazil
- Critical infrastructure security services based in Rio De Janeiro, Brazil
- Critical infrastructure security services based in Sao Paulo, Brazil
- Critical infrastructure security services based in Calgary, Canada
- Critical infrastructure security services based in Montreal, Canada
- Critical infrastructure security services based in Ottawa, Canada
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.
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Company intelligence · public preview
Top 25 critical infrastructure security services based in Brazil
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 810 matching company records for critical infrastructure security services based in Brazil, with 38,004 tracked contacts and 3,491 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: November 5, 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 25 critical infrastructure security services based in Brazil
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 |  Segurprosegurpro.com.brHQ: Sao Paulo, BrazilReported employees: 10001+ | Sao Paulo, Brazil | 10001+ | Exact match | 5,254 contacts → |
“A SegurPro é o próximo passo em segurança privada.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Grupo Haganáhagana.com.brHQ: Sao Paulo, BrazilReported employees: 10001+ | Sao Paulo, Brazil | 10001+ | Exact match | 4,705 contacts → |
“O que é trabalhar no Grupo Haganá?” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Security Segurança E Serviçossousecurity.com.brHQ: São Paulo, BrazilReported employees: 5,001-10,000 | São Paulo, Brazil | 5,001-10,000 | Exact match | 2,369 contacts → |
“Com mais de 8 mil colaboradores, presente em 11 estados, vencedora do Prêmio Valor Carreira por sete vezes consecutivas, certificada pela GPTW e única empresa brasileira membro do…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Comando G8comandog8.com.brHQ: São Paulo, BrazilReported employees: 5,001-10,000 | São Paulo, Brazil | 5,001-10,000 | Exact match | 1,548 contacts → |
“O Grupo Comando G8 é referência nacional na implantação e operação de soluções integradas em segurança e serviços.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Grupo Evikevik.com.brHQ: Sao Paulo, BrazilReported employees: 1,001-5,000 | Sao Paulo, Brazil | 1,001-5,000 | Exact match | 692 contacts → |
“O Grupo Evik é uma empresa especialista no gerenciamento de projetos integrados de segurança patrimonial, tendo como propósito utilizar toda sua experiência adquirida ao longo dos…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  TBI Segurançatbiseguranca.com.brHQ: Belo Horizonte, BrazilReported employees: 1,001-5,000 | Belo Horizonte, Brazil | 1,001-5,000 | Exact match | 683 contacts → |
“TBI segurança atua na área de vigilância e segurança patrimonial privada oferecendo ao mercado profissionais altamente treinados, dotados de qualificação e postura diferenciadas…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Rudder Segurançarudder.com.brHQ: Porto Alegre, BrazilReported employees: 201-500 | Porto Alegre, Brazil | 201-500 | Exact match | 566 contacts → |
“A base de um sólido relacionamento deve estar sempre alicerçada em um valor: confiança.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  ASTERaster.com.brHQ: São Paulo, BrazilReported employees: 1,001-5,000 | São Paulo, Brazil | 1,001-5,000 | Exact match | 462 contacts → |
“A ASTER Sistemas de Segurança vem desde 2004, se notabilizando pelo uso de tecnologia e inovadores processos operacionais na prestação de serviços a condomínios residenciais…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Grupo Megavigmegavig.com.brHQ: São Paulo, BrazilReported employees: 1,001-5,000 | São Paulo, Brazil | 1,001-5,000 | Exact match | 401 contacts → |
“O GRUPO MEGAVIG se consolida entre as empresas mais renomadas do setor de segurança e serviços terceirizados.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Grupo Liberdadegrupoliberdade.com.brHQ: São Paulo, BrazilReported employees: 1,001-5,000 | São Paulo, Brazil | 1,001-5,000 | Exact match | 364 contacts → |
“Há mais de 25 anos no mercado, com atuação nacional e com uma estrutura moderna, o Grupo Liberdade tem se destacado na execução de serviços de segurança que não se limitam a…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Safewaysafewayconsultoria.comHQ: Sao Paulo, BrazilReported employees: 201-500 | Sao Paulo, Brazil | 201-500 | Exact match | 359 contacts → |
“A SAFEWAY empresa que integra a plataforma de cibersegurança do Grupo Stefanini se une a Protega.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Observe Segurançaobserveseguranca.com.brHQ: Ribeirão Preto - Sp, BrazilReported employees: 501-1,000 | Ribeirão Preto - Sp, Brazil | 501-1,000 | Exact match | 357 contacts → |
“A OBSERVE nasceu com o desafio de construir novos valores que sustentem não apenas a segurança minimizada e periférica, mas sim, uma gestão de riscos incorporada a todos os…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Grupo SEI Segurança E Inteligênciaseiinteligencia.com.brHQ: Serra, BrazilReported employees: 1,001-5,000 | Serra, Brazil | 1,001-5,000 | Exact match | 306 contacts → |
“Grupo SEI - is a facilities services company based out of Brazil.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Grupo Schimitd Serviçosschimitd.com.brHQ: Diadema, BrazilReported employees: 1,001-5,000 | Diadema, Brazil | 1,001-5,000 | Exact match | 290 contacts → |
“O Grupo SCHIMITD é composto por três empresas: SCHIMITD Serviços de Segurança, a SCHIMITD Eletrônica e a SCHIMITD Serviços Gerais.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Opliumoplium.comHQ: Sao Paulo, BrazilReported employees: 201-500 | Sao Paulo, Brazil | 201-500 | Exact match | 274 contacts → |
“We are a young company, founded in 2019 in Brazil, with the aim of bringing an innovative approach to the information security market, with state-of-the-art proprietary and…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  SOLORsolor.com.brHQ: Rio De Janeiro, BrazilReported employees: 201-500 | Rio De Janeiro, Brazil | 201-500 | Exact match | 270 contacts → |
“A Solor protege, opera e evolui ambientes críticos com inteligência e automação.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Grupo Invictagrupoinvicta.seg.brHQ: Sao Paulo, BrazilReported employees: 1,001-5,000 | Sao Paulo, Brazil | 1,001-5,000 | Exact match | 265 contacts → |
“O Grupo Invicta é uma empresa consolidada no setor de Segurança Corporativa, oferecendo soluções 360°.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Servis Segurancaservis.com.br HQ: Eusebio, BrazilReported employees: 1,001-5,000 | Eusebio, Brazil | 1,001-5,000 | Exact match | 265 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 19 |  Redbelt Securityredbelt.com.brHQ: Sao Paulo, BrazilReported employees: 51-200 | Sao Paulo, Brazil | 51-200 | Exact match | 211 contacts → |
“O nosso trabalho é proteger o seu.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Agilitysomosagility.com.brHQ: São Paulo, BrazilReported employees: 51-200 | São Paulo, Brazil | 51-200 | Exact match | 195 contacts → |
“Oferecemos soluções avançadas em Infraestrutura de TI, Cibersegurança e Inteligência Artificial, projetadas para ambientes de missão crítica e alta complexidade tecnológica.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Autodefesa Brasilautodefesabrasil.com.brHQ: Campinas, BrazilReported employees: 201-500 | Campinas, Brazil | 201-500 | Exact match | 183 contacts → |
“Referência nacional em gestão e tecnologia de segurança, a AutoDefesa Brasil Atua com uma abordagem 360°, oferecendo soluções inovadoras que vão desde a concepção até a…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  it.eamit-eam.comHQ: Belo Horizonte, BrazilReported employees: 51-200 | Belo Horizonte, Brazil | 51-200 | Exact match | 181 contacts → |
“At iT.eam, we deliver more than technology: we create results.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  SCSEGscseg.com.brHQ: Palhoça, BrazilReported employees: 51-200 | Palhoça, Brazil | 51-200 | Exact match | 177 contacts → |
“Com 19 anos de atuação no mercado brasileiro, o Grupo SCSEG se orgulha em ser referência nos segmentos de Segurança Humana e Eletrônica, além da Terceirização de Serviços…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Future Technologiesfuture.com.brHQ: Petrópolis, BrazilReported employees: 51-200 | Petrópolis, Brazil | 51-200 | Exact match | 174 contacts → |
“Future has been active in the information security market since 1997, bringing confidentiality, integrity, availability and compliance to our customers.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  Gruposeg Oficialgruposeg.comHQ: Recife, BrazilReported employees: 501-1,000 | Recife, Brazil | 501-1,000 | Exact match | 167 contacts → |
“O GrupoSEG é uma empresa pernambucana líder no mercado de vigilância eletrônica, com sede no Recife-PE e filiais no interior do Estado e nas capitais do Nordeste.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 810 company matches
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Critical infrastructure security services: dataset insights
November 5, 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
807 records in the displayed employee bands.
3 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 worldwide rather than for Brazil, so it is reported there. Company counts and contact totals on this page are exact for Brazil, over 810 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 5, 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 ↗
Critical infrastructure security services by metro
Questions about this company list
What does Exact match mean for critical infrastructure security 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 critical infrastructure security services did RevenueBase find based in Brazil?
The saved snapshot records 810 matching company records, 38,004 tracked contacts and 3,491 verified emails. The public preview displays 25 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 5, 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
Critical infrastructure security services by geography
- Critical infrastructure security services based in Buenos Aires, Argentina
- Critical infrastructure security services based in Brisbane, Australia
- Critical infrastructure security services based in Melbourne, Australia
- Critical infrastructure security services based in Perth, Australia
- Critical infrastructure security services based in Sydney, Australia
- Critical infrastructure security services based in Vienna, Austria
- Critical infrastructure security services based in Belo Horizonte, Brazil
- Critical infrastructure security services based in Rio De Janeiro, Brazil
- Critical infrastructure security services based in Sao Paulo, Brazil
- Critical infrastructure security services based in Calgary, Canada
- Critical infrastructure security services based in Montreal, Canada
- Critical infrastructure security services based in Ottawa, Canada
Cite this list
RevenueBase Data Team. Top 25 critical infrastructure security services based in Brazil. Snapshot: November 5, 2026. https://revenuebase.ai/companies/critical-infrastructure-security-services/brazil.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
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- Critical infrastructure security services based in Buenos Aires, Argentina
- Critical infrastructure security services based in Brisbane, Australia
- Critical infrastructure security services based in Melbourne, Australia
- Critical infrastructure security services based in Perth, Australia
- Critical infrastructure security services based in Sydney, Australia
- Critical infrastructure security services based in Vienna, Austria
Company intelligence · public preview
Top 25 critical infrastructure security services based in Brazil
RevenueBase records 810 matching company records for critical infrastructure security services based in Brazil, with 38,004 tracked contacts and 3,491 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: November 5, 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 25 critical infrastructure security services based in Brazil
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 | Segurprosegurpro.com.br HQ: Sao Paulo, BrazilReported employees: 10001+ | Sao Paulo, Brazil | 10001+ | Exact match | 5,254 contacts → |
“A SegurPro é o próximo passo em segurança privada.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Grupo Haganáhagana.com.br HQ: Sao Paulo, BrazilReported employees: 10001+ | Sao Paulo, Brazil | 10001+ | Exact match | 4,705 contacts → |
“O que é trabalhar no Grupo Haganá?” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Security Segurança E Serviçossousecurity.com.br HQ: São Paulo, BrazilReported employees: 5,001-10,000 | São Paulo, Brazil | 5,001-10,000 | Exact match | 2,369 contacts → |
“Com mais de 8 mil colaboradores, presente em 11 estados, vencedora do Prêmio Valor Carreira por sete vezes consecutivas, certificada pela GPTW e única empresa brasileira membro do…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Comando G8comandog8.com.br HQ: São Paulo, BrazilReported employees: 5,001-10,000 | São Paulo, Brazil | 5,001-10,000 | Exact match | 1,548 contacts → |
“O Grupo Comando G8 é referência nacional na implantação e operação de soluções integradas em segurança e serviços.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Grupo Evikevik.com.br HQ: Sao Paulo, BrazilReported employees: 1,001-5,000 | Sao Paulo, Brazil | 1,001-5,000 | Exact match | 692 contacts → |
“O Grupo Evik é uma empresa especialista no gerenciamento de projetos integrados de segurança patrimonial, tendo como propósito utilizar toda sua experiência adquirida ao longo dos…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | TBI Segurançatbiseguranca.com.br HQ: Belo Horizonte, BrazilReported employees: 1,001-5,000 | Belo Horizonte, Brazil | 1,001-5,000 | Exact match | 683 contacts → |
“TBI segurança atua na área de vigilância e segurança patrimonial privada oferecendo ao mercado profissionais altamente treinados, dotados de qualificação e postura diferenciadas…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Rudder Segurançarudder.com.br HQ: Porto Alegre, BrazilReported employees: 201-500 | Porto Alegre, Brazil | 201-500 | Exact match | 566 contacts → |
“A base de um sólido relacionamento deve estar sempre alicerçada em um valor: confiança.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | ASTERaster.com.br HQ: São Paulo, BrazilReported employees: 1,001-5,000 | São Paulo, Brazil | 1,001-5,000 | Exact match | 462 contacts → |
“A ASTER Sistemas de Segurança vem desde 2004, se notabilizando pelo uso de tecnologia e inovadores processos operacionais na prestação de serviços a condomínios residenciais…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Grupo Megavigmegavig.com.br HQ: São Paulo, BrazilReported employees: 1,001-5,000 | São Paulo, Brazil | 1,001-5,000 | Exact match | 401 contacts → |
“O GRUPO MEGAVIG se consolida entre as empresas mais renomadas do setor de segurança e serviços terceirizados.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Grupo Liberdadegrupoliberdade.com.br HQ: São Paulo, BrazilReported employees: 1,001-5,000 | São Paulo, Brazil | 1,001-5,000 | Exact match | 364 contacts → |
“Há mais de 25 anos no mercado, com atuação nacional e com uma estrutura moderna, o Grupo Liberdade tem se destacado na execução de serviços de segurança que não se limitam a…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Safewaysafewayconsultoria.com HQ: Sao Paulo, BrazilReported employees: 201-500 | Sao Paulo, Brazil | 201-500 | Exact match | 359 contacts → |
“A SAFEWAY empresa que integra a plataforma de cibersegurança do Grupo Stefanini se une a Protega.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Observe Segurançaobserveseguranca.com.br HQ: Ribeirão Preto - Sp, BrazilReported employees: 501-1,000 | Ribeirão Preto - Sp, Brazil | 501-1,000 | Exact match | 357 contacts → |
“A OBSERVE nasceu com o desafio de construir novos valores que sustentem não apenas a segurança minimizada e periférica, mas sim, uma gestão de riscos incorporada a todos os…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Grupo SEI Segurança E Inteligênciaseiinteligencia.com.br HQ: Serra, BrazilReported employees: 1,001-5,000 | Serra, Brazil | 1,001-5,000 | Exact match | 306 contacts → |
“Grupo SEI - is a facilities services company based out of Brazil.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Grupo Schimitd Serviçosschimitd.com.br HQ: Diadema, BrazilReported employees: 1,001-5,000 | Diadema, Brazil | 1,001-5,000 | Exact match | 290 contacts → |
“O Grupo SCHIMITD é composto por três empresas: SCHIMITD Serviços de Segurança, a SCHIMITD Eletrônica e a SCHIMITD Serviços Gerais.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Opliumoplium.com HQ: Sao Paulo, BrazilReported employees: 201-500 | Sao Paulo, Brazil | 201-500 | Exact match | 274 contacts → |
“We are a young company, founded in 2019 in Brazil, with the aim of bringing an innovative approach to the information security market, with state-of-the-art proprietary and…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | SOLORsolor.com.br HQ: Rio De Janeiro, BrazilReported employees: 201-500 | Rio De Janeiro, Brazil | 201-500 | Exact match | 270 contacts → |
“A Solor protege, opera e evolui ambientes críticos com inteligência e automação.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Grupo Invictagrupoinvicta.seg.br HQ: Sao Paulo, BrazilReported employees: 1,001-5,000 | Sao Paulo, Brazil | 1,001-5,000 | Exact match | 265 contacts → |
“O Grupo Invicta é uma empresa consolidada no setor de Segurança Corporativa, oferecendo soluções 360°.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Servis Segurancaservis.com.br HQ: Eusebio, BrazilReported employees: 1,001-5,000 | Eusebio, Brazil | 1,001-5,000 | Exact match | 265 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 19 | Redbelt Securityredbelt.com.br HQ: Sao Paulo, BrazilReported employees: 51-200 | Sao Paulo, Brazil | 51-200 | Exact match | 211 contacts → |
“O nosso trabalho é proteger o seu.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Agilitysomosagility.com.br HQ: São Paulo, BrazilReported employees: 51-200 | São Paulo, Brazil | 51-200 | Exact match | 195 contacts → |
“Oferecemos soluções avançadas em Infraestrutura de TI, Cibersegurança e Inteligência Artificial, projetadas para ambientes de missão crítica e alta complexidade tecnológica.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Autodefesa Brasilautodefesabrasil.com.br HQ: Campinas, BrazilReported employees: 201-500 | Campinas, Brazil | 201-500 | Exact match | 183 contacts → |
“Referência nacional em gestão e tecnologia de segurança, a AutoDefesa Brasil Atua com uma abordagem 360°, oferecendo soluções inovadoras que vão desde a concepção até a…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | it.eamit-eam.com HQ: Belo Horizonte, BrazilReported employees: 51-200 | Belo Horizonte, Brazil | 51-200 | Exact match | 181 contacts → |
“At iT.eam, we deliver more than technology: we create results.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | SCSEGscseg.com.br HQ: Palhoça, BrazilReported employees: 51-200 | Palhoça, Brazil | 51-200 | Exact match | 177 contacts → |
“Com 19 anos de atuação no mercado brasileiro, o Grupo SCSEG se orgulha em ser referência nos segmentos de Segurança Humana e Eletrônica, além da Terceirização de Serviços…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Future Technologiesfuture.com.br HQ: Petrópolis, BrazilReported employees: 51-200 | Petrópolis, Brazil | 51-200 | Exact match | 174 contacts → |
“Future has been active in the information security market since 1997, bringing confidentiality, integrity, availability and compliance to our customers.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Gruposeg Oficialgruposeg.com HQ: Recife, BrazilReported employees: 501-1,000 | Recife, Brazil | 501-1,000 | Exact match | 167 contacts → |
“O GrupoSEG é uma empresa pernambucana líder no mercado de vigilância eletrônica, com sede no Recife-PE e filiais no interior do Estado e nas capitais do Nordeste.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 810 company matches
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Critical infrastructure security services: dataset insights
November 5, 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
807 records in the displayed employee bands.
3 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 worldwide rather than for Brazil, so it is reported there. Company counts and contact totals on this page are exact for Brazil, over 810 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 5, 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 ↗
Critical infrastructure security services by metro
Questions about this company list
What does Exact match mean for critical infrastructure security 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 critical infrastructure security services did RevenueBase find based in Brazil?
The saved snapshot records 810 matching company records, 38,004 tracked contacts and 3,491 verified emails. The public preview displays 25 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 5, 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
Critical infrastructure security services by geography
- Critical infrastructure security services based in Buenos Aires, Argentina
- Critical infrastructure security services based in Brisbane, Australia
- Critical infrastructure security services based in Melbourne, Australia
- Critical infrastructure security services based in Perth, Australia
- Critical infrastructure security services based in Sydney, Australia
- Critical infrastructure security services based in Vienna, Austria
- Critical infrastructure security services based in Belo Horizonte, Brazil
- Critical infrastructure security services based in Rio De Janeiro, Brazil
- Critical infrastructure security services based in Sao Paulo, Brazil
- Critical infrastructure security services based in Calgary, Canada
- Critical infrastructure security services based in Montreal, Canada
- Critical infrastructure security services based in Ottawa, Canada
Cite this list
RevenueBase Data Team. Top 25 critical infrastructure security services based in Brazil. Snapshot: November 5, 2026. https://revenuebase.ai/companies/critical-infrastructure-security-services/brazil.
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
- Critical infrastructure security services based in Buenos Aires, Argentina
- Critical infrastructure security services based in Brisbane, Australia
- Critical infrastructure security services based in Melbourne, Australia
- Critical infrastructure security services based in Perth, Australia
- Critical infrastructure security services based in Sydney, Australia
- Critical infrastructure security services based in Vienna, Austria