Company lists · Data refreshed November 2026

Top 25 Security engineering firms based in Brazil

RevenueBase identified 1,080 company matches for security engineering firms associated with Brazil as of November 2026 and tracks 14,194 professional contacts across them, including 950 with verified work emails. Sao Paulo is the largest hub.

This list covers company matches for security engineering firms 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.

How to read this list RevenueBase SmartSearch · Exact Recorded Nov 5, 2026 How this list was built
1,080Companies
14,194Contacts tracked
950Verified emails
Explore this list → Free signup · no credit card · 500 free credits

The 25 largest security engineering firms based in Brazil

Ranked by team size
Top 25 of 1,080 company matches for security engineering firms based in Brazil, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 5, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchSantos, BrazilHQ recorded Nov 5, 20261,001-5,000375 contacts →

Exact match

“A empresa oferece profissionais qualificados para diversas funções, entre elas, portaria e/ou controlador de acesso, auxiliar de serviços gerais, zeladoria, atendente, auxiliar…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
2Exact matchSão Paulo, BrazilHQ recorded Nov 5, 2026201-500336 contacts →

Exact match

“Há mais de 32 anos, desenvolvemos projetos centrados na segurança de pessoas, bens e informações, agregando tecnologias de padrão mundial e excelência nos serviços.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
3Exact matchSerra, BrazilHQ recorded Nov 5, 20261,001-5,000306 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
4Exact matchSanta Rita Do Sapucaí, BrazilHQ recorded Nov 5, 2026201-500285 contacts →

Exact match

“A JFL Alarmes é reconhecida como a maior fabricante de alarmes e cercas elétricas do Brasil, uma empresa 100% brasileira que desenvolve um vasto leque de produtos de alta…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
5Exact matchCampinas, BrazilHQ recorded Nov 5, 2026201-500183 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
6Exact matchRecife, BrazilHQ recorded Nov 5, 2026501-1,000167 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
7Exact matchSao Paulo, BrazilHQ recorded Nov 5, 202651-200154 contacts →

Exact match

“A Sekron Digital é uma das principais empresas de segurança eletrônica e monitoramento corporativo do Brasil, com atuação nacional e mais de 30 anos de experiência na proteção de…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
8Exact matchCampinas, BrazilHQ recorded Nov 5, 2026201-500150 contacts →

Exact match

“Estruturada para atender em todo o território nacional, a ATGB Sistemas atua desde a etapa de projeto à implantação e manutenção de sistemas de Automação Predial, CFTV, Controle…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
9Exact matchPinhais - Alphaville, BrazilHQ recorded Nov 5, 202651-200117 contacts →

Exact match

“Inspirar confiança é a meta que guia todas as nossas ações.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
10Exact matchRio De Janeiro, BrazilHQ recorded Nov 5, 2026501-1,000112 contacts →

Exact match

“A company specialized in Property Surveillance, Electronic Monitoring, Risk Analysis, Security Projects, and Facilities Services for a wide range of institutions, commercial…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
11Exact matchSão Caetano Do Sul, BrazilHQ recorded Nov 5, 202651-200106 contacts →

Exact match

“A M3 Tecnologia é uma empresa que alia tecnologia da informação, equipamento e conhecimento em gestão para solucionar problemas de Proteção Patrimonial e Segurança Empresarial dos…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
12Exact matchSão Paulo, BrazilHQ recorded Nov 5, 202651-200105 contacts →

Exact match

“Uma empresa com foco em liderar pela excelência em serviços.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
13Exact matchSão Paulo, BrazilHQ recorded Nov 5, 202651-200100 contacts →

Exact match

“Autobras is one of the best options in the country in installation and maintenance of electronic systems for security and building automation.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
14Exact matchSão Paulo, BrazilHQ recorded Nov 5, 2026501-1,00091 contacts →

Exact match

“Nascemos com a missão de proporcionar a integração harmoniosa entre seres humanos e tecnologia, a fim de oferecer soluções abrangentes para a proteção de pessoas e patrimônios.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
15Exact matchSão José, BrazilHQ recorded Nov 5, 202651-20090 contacts →

Exact match

“A High Link é uma empresa de segurança especializada em sistemas eletrônicos integrados.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
16Exact matchBelo Horizonte, BrazilHQ recorded Nov 5, 2026501-1,00085 contacts →

Exact match

“A VEOLINK é uma integradora de sistemas eletrônicos de segurança, automação e gestão de dados do Grupo Graber, que fornece desde soluções simples destinadas a proteção das pessoas…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
17Exact matchBarueri, BrazilHQ recorded Nov 5, 202651-20084 contacts →

Exact match

“A Alarmtek atua no mercado brasileiro de Sistemas Eletrônicos de segurança e monitoramento desde 1998.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
18Exact matchSp - Rj - Bh, BrazilHQ recorded Nov 5, 202651-20079 contacts →

Exact match

“A VEOTEX é uma empresa nacional consolidada no setor de segurança há mais de 10 anos e temos como missão disponibilizar aos nossos clientes as melhores soluções integradas de…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
19Exact matchSao Paulo, BrazilHQ recorded Nov 5, 202651-20079 contacts →

Exact match

“Radcom Alarmes, Monitoramento de Alarmes e Imagens 24 horas.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
20Exact matchSão Paulo, BrazilHQ recorded Nov 5, 202651-20065 contacts →

Exact match

“Empresa especializada no segmento de Segurança Eletrônica, voltada a Alarme, CFTV - circuito fechado de televisão e rastreamento veicular, nas respectivas áreas atua com o…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
21Exact matchPelotas, BrazilHQ recorded Nov 5, 202651-20059 contacts →

Exact match

“Telealarme Brasil is an information technology and services company based out of Brazil.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
22Exact matchLauro De Freitas, BrazilHQ recorded Nov 5, 202651-20058 contacts →

Exact match

“A Estrela Sistemas Eletrônicos é uma empresa integrante do Grupo Estrela.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
23Exact matchBarueri, BrazilHQ recorded Nov 5, 202611-5053 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 · Nov 5, 2026 · View company records in RevenueBase
24Exact matchSao Paulo, BrazilHQ recorded Nov 5, 202651-20050 contacts →

Exact match

“Formada por especialistas em segurança, há mais de 25 anos a RPW desenvolve projetos personalizados, com tecnologia de ponta, voltados à prevenção de riscos.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
25Exact matchSão José Dos Campos, BrazilHQ recorded Nov 5, 202651-20046 contacts →

Exact match

“Há mais de 30 anos, a Segtrônica desenvolve soluções inteligentes para proteger operações, pessoas e ativos com eficiência, confiabilidade e visão de longo prazo.”

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

Showing 25 of 1,080 security engineering firms based in Brazil

See the full list, filter by size, metro and specialty, and access 950 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Security engineering firms based in Brazil at a glance

As of Nov 5, 2026
6.7%Verified-email coverage
13.1Average contacts per company
1-10Median size (employees)
21.7%Largest-city concentration · Sao Paulo
Nov 5, 2026Page data refreshed

Companies by employee count

1-10
558
11-50
350
51-200
106
201-500
22
501-1,000
10
1,001-5,000
11
5,001-10,000
1
10001+
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 1,080 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 “security engineering firms” 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 950 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.

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

How many security engineering firms are there based in Brazil?

RevenueBase identified 1,080 company matches for security engineering firms 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?

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

Which city has the most security engineering firms?

Sao Paulo leads with 234 company records, followed by Rio De Janeiro (68) and Belo Horizonte (45).

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 950 professional contacts with verified work emails tracked across these 1,080 companies; direct dials are available where recorded.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on November 5, 2026.

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About this data

RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.