Company lists · Data refreshed September 2026

Top 25 Surveillance companies based in Brazil

Name: Surveillance companies based in Brazil
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 21, 2026 1,240 companies tracked

RevenueBase identified 1,240 surveillance companies headquartered in Brazil as of September 2026 and tracks 27,502 professional contacts across them, including 956 with verified work emails. Sao Paulo is the largest hub.

This list covers surveillance companies headquartered in Brazil, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 21, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, 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 HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 21, 2026 86% judged on-target in blind review

1,240Companies

27,502Contacts tracked

956Verified emails

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The 25 largest surveillance companies based in Brazil

Ranked by team size

Top 25 of 1,240 surveillance companies based in Brazil, ranked by team size, largest first. Data refreshed Sep 21, 2026. RevenueBase Smart Search rates how each company's information relates to surveillance companies: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#	Company	RevenueBase Smart Search	Headquarters	Employees	Contacts
1	Security Segurança E Serviços	Indirect evidence	São Paulo, BrazilHQ checked Sep 21, 2026	5,001-10,000	2,165 contacts →
	Indirect evidence “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…” Source: RevenueBase Database · checked Sep 21, 2026
2	Proguarda Vigilância E Segurança	Indirect evidence	Aparecida De Goiânia, BrazilHQ checked Sep 21, 2026	1,001-5,000	842 contacts →
	Indirect evidence “Proguarda é segurança.” Source: RevenueBase Database · checked Sep 21, 2026
3	Grupo Evik	Indirect evidence	Sao Paulo, BrazilHQ checked Sep 21, 2026	1,001-5,000	611 contacts →
	Indirect evidence “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…” Source: RevenueBase Database · checked Sep 21, 2026
4	Anjos DA Guarda Segurança	Indirect evidence	Belo Horizonte, BrazilHQ checked Sep 21, 2026	1,001-5,000	607 contacts →
	Indirect evidence “O grupo Anjos da Guarda iniciou atividades na década de 80.” Source: RevenueBase Database · checked Sep 21, 2026
5	Fort Knox	Indirect evidence	São Paulo, BrazilHQ checked Sep 21, 2026	5,001-10,000	563 contacts →
	Indirect evidence “Empresa especializada em soluções personalizadas de Segurança Privada, contando com serviços de Vigilância Patrimonial, Segurança Pessoal e Segurança Eletrônica.” Source: RevenueBase Database · checked Sep 21, 2026
6	Seguro Segurança	Indirect evidence	Fortaleza, BrazilHQ checked Sep 21, 2026	1,001-5,000	515 contacts →
	Indirect evidence “Desde 2012, a Seguro atua com excelência, oferecendo soluções completas em Segurança Patrimonial, Terceirização de Mão de Obra e Segurança Eletrônica.” Source: RevenueBase Database · checked Sep 21, 2026
7	Grupo SEI Segurança E Inteligência	Indirect evidence	Serra, BrazilHQ checked Sep 21, 2026	1,001-5,000	285 contacts →
	Indirect evidence “Grupo SEI - is a facilities services company based out of Brazil.” Source: RevenueBase Database · checked Sep 21, 2026
8	NEW Line Tecnologia EM Segurança	Indirect evidence	Goiânia, BrazilHQ checked Sep 21, 2026	501-1,000	281 contacts →
	Indirect evidence “Com mais de 30 anos de mercado, a New Line é referência em segurança patrimonial, protegendo o que é mais importante para empresas e famílias em todo o Brasil.” Source: RevenueBase Database · checked Sep 21, 2026
9	JFL Alarmes	Indirect evidence	Santa Rita Do Sapucaí, BrazilHQ checked Sep 21, 2026	201-500	260 contacts →
	Indirect evidence “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…” Source: RevenueBase Database · checked Sep 21, 2026
10	Nexus Vigilância	Indirect evidence	Belo Horizonte, BrazilHQ checked Sep 21, 2026	1,001-5,000	207 contacts →
	Indirect evidence “Há mais de 15 anos no mercado, a Nexus Vigilância está presente em mais de 600 cidades, distribuídas entre os estados de Minas Gerais, Rio de Janeiro, São Paulo e Espírito Santo…” Source: RevenueBase Database · checked Sep 21, 2026
11	Grupo Starseg	Indirect evidence	São Bernardo Do Campo, BrazilHQ checked Sep 21, 2026	501-1,000	184 contacts →
	Indirect evidence “No ano de 1996 nascia a primeira empresa do grupo, a Starseg Segurança Empresarial Ltda.” Source: RevenueBase Database · checked Sep 21, 2026
12	Autodefesa Brasil	Indirect evidence	Campinas, BrazilHQ checked Sep 21, 2026	201-500	171 contacts →
	Indirect evidence “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…” Source: RevenueBase Database · checked Sep 21, 2026
13	Alforge Seguranca Patrimonial	Indirect evidence	Recife, BrazilHQ checked Sep 21, 2026	1,001-5,000	165 contacts →
	Indirect evidence “Alforge Seguranca Patrimonial is a security and investigations company based out of Rua Jonatas de Vasconcelos 60, Recife, Pernambuco, Brazil.” Source: RevenueBase Database · checked Sep 21, 2026
14	Grupo Generall	Indirect evidence	Sao Paulo, BrazilHQ checked Sep 21, 2026	1,001-5,000	159 contacts →
	Indirect evidence “Com 3 décadas de experiência, nossos valores estão pautados na transparência dos relacionamentos, nas boas práticas organizacionais e na garantia do cumprimento das promessas de…” Source: RevenueBase Database · checked Sep 21, 2026
15	Grupo Combate	Indirect evidence	João Pessoa, BrazilHQ checked Sep 21, 2026	501-1,000	159 contacts →
	Indirect evidence “O Grupo Combate carrega quase três décadas de trajetória marcada por excelência e dedicação, consolidando-se como referência em segurança privada na Paraíba e em todo o Nordeste.” Source: RevenueBase Database · checked Sep 21, 2026
16	Gruposeg Oficial	Indirect evidence	Recife, BrazilHQ checked Sep 21, 2026	501-1,000	141 contacts →
	Indirect evidence “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.” Source: RevenueBase Database · checked Sep 21, 2026
17	Sekron Digital Brasil	Indirect evidence	Sao Paulo, BrazilHQ checked Sep 21, 2026	51-200	120 contacts →
	Indirect evidence “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…” Source: RevenueBase Database · checked Sep 21, 2026
18	NTS - Segurança	Indirect evidence	Natal, BrazilHQ checked Sep 21, 2026	201-500	119 contacts →
	Indirect evidence “Empresa de Segurança Eletrônica, Monitoramento, Rastreamento, Portaria Remota e facilites.” Source: RevenueBase Database · checked Sep 21, 2026
19	Grupo Força Tarefa	Indirect evidence	Uberlândia, BrazilHQ checked Sep 21, 2026	51-200	114 contacts →
	Indirect evidence “O Grupo Força Tarefa desenvolve soluções personalizadas de segurança patrimonial, atuando com os serviços de vigilância armada, portaria, portaria virtual e monitoramento de…” Source: RevenueBase Database · checked Sep 21, 2026
20	M3 Tecnologia	Indirect evidence	São Caetano Do Sul, BrazilHQ checked Sep 21, 2026	51-200	110 contacts →
	Indirect evidence “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…” Source: RevenueBase Database · checked Sep 21, 2026
21	Grupo Hawk	Strong evidence	Rio De Janeiro, BrazilHQ checked Sep 21, 2026	501-1,000	110 contacts →
	Strong evidence “A company specialized in Property Surveillance, Electronic Monitoring, Risk Analysis, Security Projects, and Facilities Services for a wide range of institutions, commercial…” Source: RevenueBase Database · checked Sep 21, 2026
22	Sefra Segurança	Indirect evidence	Sao Paulo, BrazilHQ checked Sep 21, 2026	51-200	105 contacts →
	Indirect evidence “A Sefra Segurança, empresa sediada na cidade de São Paulo, fundadaa em Setembro/2002 presta de serviços de segurança e vigilância privada, com ampla especialidade no segmento de…” Source: RevenueBase Database · checked Sep 21, 2026
23	Dotseg	Indirect evidence	Sao Paulo, BrazilHQ checked Sep 21, 2026	501-1,000	96 contacts →
	Indirect evidence “A DOTSEG nasceu com foco na entrega de soluções em segurança eletrônica, terceirização de mão de obra e segurança patrimonial em condomínios.” Source: RevenueBase Database · checked Sep 21, 2026
24	High Link	Indirect evidence	São José, BrazilHQ checked Sep 21, 2026	51-200	93 contacts →
	Indirect evidence “A High Link é uma empresa de segurança especializada em sistemas eletrônicos integrados.” Source: RevenueBase Database · checked Sep 21, 2026
25	Intersept-Porteiros Vigilantes Limpeza E Conservacao	Indirect evidence	Curitiba, BrazilHQ checked Sep 21, 2026	51-200	92 contacts →
	Indirect evidence Source: RevenueBase Database · checked Sep 21, 2026

RevenueBase Smart Search

RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: surveillance companies. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.

Strong evidence: The company's own public description of its business names surveillance companies.
Partial evidence: Its own public description names part of surveillance companies, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name surveillance companies. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.

RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.

Showing 25 of 1,240 surveillance companies based in Brazil

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Surveillance companies based in Brazil at a glance

As of Sep 21, 2026

3.5%Verified-email coverage

22.2Average contacts per company

11-50Median size (employees)

16.0%Largest-city concentration · Sao Paulo

Sep 21, 2026Page data refreshed

Companies by employee count

1-10

470

11-50

422

51-200

201

201-500

501-1,000

1,001-5,000

5,001-10,000

10001+

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 1,240 companies.

How this list was built

Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among surveillance companies, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.

Source: The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
What qualifies: Companies headquartered in Brazil whose own description of what they do matches “surveillance companies”. Matching reads each company's description, not its industry code or its name.
RevenueBase Smart Search: RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names surveillance companies), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
What we exclude: Companies whose own description does not clearly place them among surveillance companies, and records with no verified work email. Companies headquartered outside Brazil are excluded even when they keep an office there.
Match quality: In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
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 listed company carries at least one verified work email, 956 across the full list. 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 21, 2026. Lists refresh periodically as the graph is re-checked.
Corrections: Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.

Surveillance companies by metro

Surveillance companies in Sao Paulo199
Surveillance companies in Rio De Janeiro64
Surveillance companies in Belo Horizonte44
Surveillance companies in Curitiba39
Surveillance companies in Porto Alegre28

Frequently asked

What is RevenueBase Smart Search?

RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names surveillance companies, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.

How many surveillance companies are there based in Brazil?

RevenueBase identified 1,240 surveillance companies headquartered in Brazil as of September 2026, matched on each company's own description of what it does rather than its industry code.

What is the largest company on this list?

Security Segurança E Serviços, headquartered in Sao Paulo, tops this list with the largest team on record.

Which city has the most surveillance companies?

Sao Paulo leads with 199 headquartered companies, followed by Rio De Janeiro (64) and Belo Horizonte (44).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 956 verified decision-maker contacts tracked across these 1,240 companies.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 21, 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 Smart Search, 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.