Company lists · Data verified August 2026

Top 25 Cyber-physical security companies based in Brazil

Name: Cyber-physical security companies based in Brazil
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 1,275 companies tracked

There are 1,275 cyber-physical security companies headquartered in Brazil (RevenueBase, August 2026). RevenueBase tracks 34,724 professional contacts across them, including 2,380 with verified work emails and 387 with mobile numbers. Sao Paulo is the largest hub.

This list covers cyber-physical security companies headquartered in Brazil, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Data current as of August 28, 2026.

1,275Companies

34,724Contacts tracked

2,380Verified emails

387Mobile numbers

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The 25 largest cyber-physical security companies based in Brazil

Ranked by team size

Top 25 of 1,275 cyber-physical security companies based in Brazil, ranked by team size, largest first. Data verified Aug 28, 2026. Click a count to unlock that company's people.
#	Company	HQ	Employees	Contacts	Verified emails
1	Security Segurança E Serviços	Sao Paulo	5,001-10,000	2,152	169
2	Comando G8	Sao Paulo	5,001-10,000	1,356	1
3	Servis Eletrônica	Sao Luis	501-1,000	923	7
4	Proguarda Vigilância E Segurança	Aparecida De Goiania	1,001-5,000	843	28
5	Grupo Khronos	Florianopolis	1,001-5,000	621	25
6	Grupo Evik	Sao Paulo	1,001-5,000	612	34
7	Anjos DA Guarda Segurança	Belo Horizonte	1,001-5,000	607	8
8	Fort Knox	Sao Paulo	5,001-10,000	564	9
9	Seguro Segurança	Fortaleza	1,001-5,000	514	11
10	ASTER	Sao Paulo	1,001-5,000	414	38
11	Safeway	Rio De Janeiro	201-500	397	11
12	Grupo Macor	Sao Paulo	1,001-5,000	335	32
13	Teltex Technology	Sao Paulo	201-500	301	34
14	Grupo Ntsec	Brasilia Df	201-500	296	99
15	Grupo SEI Segurança E Inteligência	Serra	1,001-5,000	283	1
16	JEM Systems	Joinville	201-500	237	129
17	Grupo Invicta	Paulo	1,001-5,000	231	30
18	Oplium	Rio De Janeiro	201-500	228	104
19	Stefanini Cyber	Sao Paulo	501-1,000	197	4
20	Grupo Starseg	Sao Bernardo Do Campo	501-1,000	184	18
21	Autodefesa Brasil	Campinas	201-500	171	76
22	Veolink Sistemas Integrados DE Segurança Eletronica	Belo Horizonte	501-1,000	141	54
23	Gruposeg Oficial	Recife	501-1,000	141	6
24	NTS - Segurança	Natal	201-500	119	4
25	Grupo Hawk	Rio De Janeiro	501-1,000	111	2

Showing 25 of 1,275 cyber-physical security companies based in Brazil

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Cyber-physical security companies based in Brazil at a glance

As of Aug 28, 2026

11-50Median size (employees)

Sao PauloLargest hub · 287 HQs

387Contacts with mobile numbers

7Emails re-verified in last 30 days

Companies by employee count

1-10

544

11-50

470

51-200

155

201-500

501-1,000

1,001-5,000

5,001-10,000

Cyber-physical security companies by metro

Metro	Companies
Cyber-physical security companies in Sao Paulo	287
Cyber-physical security companies in Rio De Janeiro	82
Cyber-physical security companies in Belo Horizonte	43
Cyber-physical security companies in Curitiba	35
Cyber-physical security companies in Campinas	34
Cyber-physical security companies in Porto Alegre	28
Cyber-physical security companies in Brasilia	24
Cyber-physical security companies in Salvador	22

How this list was built

Source: The RevenueBase company graph: 21.3 million companies and 398.9 million professional contacts resolved from primary sources.
Inclusion: Companies whose own business descriptions match “cyber-physical security companies”, with match quality audited by blind human judging, and headquartered in Brazil.
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: Contact records re-verify on a rolling cadence; 7 contacts on this list were re-verified in the last 30 days.
Refresh: Lists are refreshed periodically as the underlying company graph is re-verified. Last verified Aug 28, 2026.

Frequently asked

How many cyber-physical security companies are there based in Brazil?

There are 1,275 cyber-physical security companies headquartered in Brazil as of August 2026 (RevenueBase).

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 cyber-physical security companies?

Sao Paulo leads with 287 headquartered companies, followed by Rio De Janeiro (82) and Belo Horizonte (43).

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 2,380 verified decision-maker contacts tracked across these 1,275 companies.

How current is this list?

The list is refreshed periodically as the underlying company graph is re-verified. It was last verified on August 28, 2026.

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About this data

RevenueBase is a B2B contact data platform. Its company graph covers 21.3 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, the same data that powers RevenueBase's B2B data products and the free research portal.