Company lists · Data verified August 2026

Top 25 Cybersecurity companies based in Sao Paulo, Brazil

Name: Cybersecurity companies based in Sao Paulo, Brazil
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 366 companies tracked

Our directory lists 366 cybersecurity companies based in Sao Paulo, Brazil, with 5,741 professional contacts and 1,793 email addresses. The list was last updated in August 2026, and Sao Paulo is the single most-represented city among the companies listed.

Cybersecurity companies provide products and services that protect systems, networks, applications, devices, and data from unauthorized access, disruption, or misuse. This list covers companies that provide cybersecurity products, services, consulting, assessments, monitoring, incident response, or related protection for digital systems and data. Ranked by team size, largest first. Data current as of August 28, 2026.

366Companies

5,741Contacts tracked

1,793Verified emails

98Mobile numbers

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The 25 largest cybersecurity companies based in Sao Paulo, Brazil

Ranked by team size

Top 25 of 366 cybersecurity companies based in Sao Paulo, 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	Neosecure By SEK	Sao Paulo	501-1,000	416	130
2	Tripla	Sao Paulo	51-200	224	87
3	Redbelt Security	Sao Paulo	51-200	214	91
4	Stefanini Cyber	Sao Paulo	501-1,000	197	4
5	Agility	Sao Paulo	51-200	185	74
6	Clavis Segurança DA Informação	Sao Paulo	201-500	182	92
7	Logical IT	Sao Paulo	51-200	150	37
8	Sekron Digital Brasil	Sao Paulo	51-200	122	29
9	CG ONE	Sao Paulo	51-200	119	30
10	Netsecurity	Sao Paulo	51-200	109	64
11	Strati	Sao Paulo	51-200	109	47
12	EVAL	Sao Paulo	51-200	87	31
13	Alleasy	Sao Paulo	51-200	87	11
14	Foregenix	Sao Paulo	51-200	80	61
15	Netconn	Sao Paulo	51-200	78	25
16	Blockbit	Sao Paulo	51-200	78	20
17	Securityfirst	Sao Paulo	51-200	77	37
18	OL Tecnologia	Sao Paulo	51-200	68	23
19	Deltapoint	Sao Paulo	51-200	57	22
20	Bricon IT Solutions	Sao Paulo	51-200	57	11
21	Dfense	Sao Paulo	51-200	55	22
22	Berghem	Sao Paulo	51-200	54	21
23	TDEC	Sao Paulo	51-200	49	25
24	Cylk Technologing	Sao Paulo	51-200	49	21
25	M3corp	Sao Paulo	51-200	48	25

Showing 25 of 366 cybersecurity companies based in Sao Paulo, Brazil

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Cybersecurity companies based in Sao Paulo, Brazil at a glance

As of Aug 28, 2026

11-50Median size (employees)

Sao PauloLargest hub · 366 HQs

98Contacts with mobile numbers

17Emails re-verified in last 30 days

Companies by employee count

1-10

165

11-50

141

51-200

201-500

501-1,000

1,001-5,000

5,001-10,000

Cybersecurity companies by metro in Brazil

Metro	Companies
Cybersecurity companies in Sao Paulo	366
Cybersecurity companies in Rio De Janeiro	78
Cybersecurity companies in Belo Horizonte	43
Cybersecurity companies in Brasilia	42
Cybersecurity companies in Curitiba	41
Cybersecurity companies in Barueri	32
Cybersecurity companies in Campinas	23
Cybersecurity companies in Recife	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 “cybersecurity companies”, with match quality audited by blind human judging, and headquartered in Sao Paulo, 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; 17 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 cybersecurity companies are in the directory?

The directory lists 366 cybersecurity companies based in Sao Paulo, Brazil.

Which city has the most cybersecurity companies?

Sao Paulo is the single most-represented city among the cybersecurity companies on the list.

How many contacts are available for cybersecurity companies?

The directory includes 5,741 professional contacts and 1,793 email addresses for the listed cybersecurity companies.

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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.