Company lists · Data verified August 2026

Top 25 Application security consulting firms based in Sao Paulo, Brazil

Name: Application security consulting firms 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 82 companies tracked

There are 82 application security consulting firms headquartered in Sao Paulo, Brazil (RevenueBase, August 2026). RevenueBase tracks 727 professional contacts across them, including 244 with verified work emails and 6 with mobile numbers. Sao Paulo is the largest hub.

This list covers application security consulting firms headquartered in Sao Paulo, 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.

82Companies

727Contacts tracked

244Verified emails

6Mobile numbers

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The 25 largest application security consulting firms based in Sao Paulo, Brazil

Ranked by team size

Top 25 of 82 application security consulting firms 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	Redbelt Security	Sao Paulo	51-200	214	91
2	Berghem	Sao Paulo	51-200	54	21
3	Athena Security Ltda	Sao Paulo	11-50	28	15
4	Sempre Safe	Sao Paulo	11-50	23	13
5	Ibliss Digital Security	Sao Paulo	51-200	23	10
6	Pride Security	Sao Paulo	11-50	22	9
7	TRTEC	Sao Paulo	11-50	19	7
8	Esecurity	Sao Paulo	11-50	18	4
9	Castle Security Services	Sao Paulo	11-50	17	9
10	Abctec	Sao Paulo	11-50	15	2
11	Cherokee	Sao Paulo	11-50	14	3
12	Vertros Technology And Security	Sao Paulo	11-50	13	5
13	Ksecurity	Sao Paulo	11-50	12	5
14	Resolvesec	Sao Paulo	11-50	11	4
15	Secure Tecnologia	Sao Paulo	11-50	10	5
16	BR Flecha Cybersecurity	Sao Paulo	51-200	7	3
17	Vulneri Segurança Digital	Sao Paulo	1-10	7	3
18	Virtuaworks Cibersegurança	Sao Paulo	11-50	7	2
19	Sunlit Technologies	Sao Paulo	1-10	7	1
20	Secureonebr	Sao Paulo	11-50	6	4
21	Leonnes Cybersecurity	Sao Paulo	11-50	6	1
22	Rede Segura Tecnologia	Sao Paulo	11-50	5	2
23	SUAT	Sao Paulo	11-50	4	3
24	Mitm Cyber Security Consulting	Sao Paulo	11-50	4	2
25	Deltafox Consultoria	Sao Paulo	11-50	4	1

Showing 25 of 82 application security consulting firms based in Sao Paulo, Brazil

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Application security consulting firms based in Sao Paulo, Brazil at a glance

As of Aug 28, 2026

1-10Median size (employees)

Sao PauloLargest hub · 82 HQs

6Contacts with mobile numbers

1Emails re-verified in last 30 days

Companies by employee count

1-10

11-50

51-200

Application security consulting firms by metro in Brazil

Metro	Companies
Application security consulting firms in Sao Paulo	82
Application security consulting firms in Rio De Janeiro	19
Application security consulting firms in Belo Horizonte	16
Application security consulting firms in Curitiba	12
Application security consulting firms in Brasilia	8
Application security consulting firms in Barueri	6
Application security consulting firms in Goiania	5
Application security consulting firms in Florianopolis	5

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 “application security consulting firms”, 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; 1 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 application security consulting firms are there based in Sao Paulo, Brazil?

There are 82 application security consulting firms headquartered in Sao Paulo, Brazil as of August 2026 (RevenueBase).

What is the largest company on this list?

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

Which city has the most application security consulting firms?

Sao Paulo leads with 82 headquartered companies, followed by Rio De Janeiro (19) and Belo Horizonte (16).

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 244 verified decision-maker contacts tracked across these 82 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.