Company lists · Data verified August 2026

Top 25 Application security consulting firms based in Brazil

Name: Application security consulting firms based in Brazil
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 253 companies tracked

There are 253 application security consulting firms headquartered in Brazil (RevenueBase, August 2026). RevenueBase tracks 2,726 professional contacts across them, including 681 with verified work emails and 180 with mobile numbers. Sao Paulo is the largest hub.

This list covers application security consulting firms 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.

253Companies

2,726Contacts tracked

681Verified emails

180Mobile numbers

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The 25 largest application security consulting firms based in Brazil

Ranked by team size

Top 25 of 253 application security consulting firms 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	Safeway	Rio De Janeiro	201-500	397	11
2	Oplium	Rio De Janeiro	201-500	228	104
3	Redbelt Security	Sao Paulo	51-200	214	91
4	Under Protection	Pinhais Alphaville	51-200	125	57
5	Conviso Application Security	Curitiba	51-200	70	14
6	E-Safer Consultoria	Barueri	51-200	69	37
7	RSEC	Brasilia	51-200	55	5
8	Berghem	Sao Paulo	51-200	54	21
9	Viwsec	Barueri	11-50	51	10
10	Ibestsec Segurança DA Informação	Barueri	51-200	35	17
11	Pacific SEC	Belo Horizonte	51-200	34	15
12	Athena Security Ltda	Sao Paulo	11-50	28	15
13	Nox5 Offensive Security	Goiania	11-50	25	11
14	Sempre Safe	Sao Paulo	11-50	23	13
15	Ibliss Digital Security	Sao Paulo	51-200	23	10
16	Access Security	Barueri	11-50	20	5
17	L8 Security	Curitiba	11-50	20	5
18	Esecurity	Sao Paulo	11-50	18	4
19	Castle Security Services	Sao Paulo	11-50	17	9
20	Abctec	Sao Paulo	11-50	15	2
21	Symbioti	Ribeirao Preto	11-50	14	8
22	W9 TI	Rio Do Sul	11-50	14	4
23	Ksecurity	Sao Paulo	11-50	12	5
24	S4ti Solutions	Brasilia	11-50	11	4
25	Netconsulting	Sao Caetano Do Sul	11-50	11	3

Showing 25 of 253 application security consulting firms based in Brazil

See the full list, filter by size, metro and specialty, and get verified emails and direct dials for all 681 reachable decision-makers.

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Application security consulting firms based in Brazil at a glance

As of Aug 28, 2026

1-10Median size (employees)

Sao PauloLargest hub · 82 HQs

180Contacts with mobile numbers

2Emails re-verified in last 30 days

Companies by employee count

1-10

150

11-50

51-200

201-500

Application security consulting firms by metro

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 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; 2 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 Brazil?

There are 253 application security consulting firms headquartered in Brazil as of August 2026 (RevenueBase).

What is the largest company on this list?

Safeway, headquartered in Rio De Janeiro, 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 681 verified decision-maker contacts tracked across these 253 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.