Company lists · Data verified August 2026

Top 25 Cybersecurity services companies based in Brazil

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

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 837 companies tracked

There are 837 cybersecurity services companies headquartered in Brazil (RevenueBase, August 2026). RevenueBase tracks 9,886 professional contacts across them, including 3,068 with verified work emails and 310 with mobile numbers. Sao Paulo is the largest hub.

This list covers cybersecurity services 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.

837Companies

9,886Contacts tracked

3,068Verified emails

310Mobile numbers

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The 25 largest cybersecurity services companies based in Brazil

Ranked by team size

Top 25 of 837 cybersecurity services 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	Neosecure By SEK	Sao Paulo	501-1,000	416	130
2	Safeway	Rio De Janeiro	201-500	397	11
3	Tempest Security Intelligence	Recife	201-500	384	182
4	ASPER	Florianopolis	201-500	327	158
5	Oplium	Rio De Janeiro	201-500	228	104
6	Stefanini Cyber	Sao Paulo	501-1,000	197	4
7	Agility	Sao Paulo	51-200	185	74
8	Future Technologies	Petropolis	51-200	144	60
9	Under Protection	Pinhais Alphaville	51-200	125	57
10	Network Secure	Fortaleza	51-200	116	60
11	Netsecurity	Sao Paulo	51-200	109	64
12	Inorpel Cybersecurity	Cabedelo	51-200	103	24
13	EVAL	Sao Paulo	51-200	87	31
14	Alleasy	Sao Paulo	51-200	87	11
15	Apura Cyber Corp	Brasilia	51-200	82	53
16	Foregenix	Sao Paulo	51-200	80	61
17	Securityfirst	Sao Paulo	51-200	77	37
18	Altasnet	Belo Horizonte	51-200	71	34
19	OL Tecnologia	Sao Paulo	51-200	68	23
20	Scunna	Porto Alegre	51-200	66	38
21	Xsite Segurança DA Informação	Salvador	51-200	60	32
22	Deltapoint	Sao Paulo	51-200	57	22
23	Bricon IT Solutions	Sao Paulo	51-200	57	11
24	Fasthelp Segurança DA Informação	Brasilia	51-200	56	26
25	Dfense	Sao Paulo	51-200	55	22

Showing 25 of 837 cybersecurity services companies based in Brazil

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Cybersecurity services companies based in Brazil at a glance

As of Aug 28, 2026

1-10Median size (employees)

Sao PauloLargest hub · 277 HQs

310Contacts with mobile numbers

10Emails re-verified in last 30 days

Companies by employee count

1-10

457

11-50

286

51-200

201-500

501-1,000

1,001-5,000

5,001-10,000

Cybersecurity services companies by metro

Metro	Companies
Cybersecurity services companies in Sao Paulo	277
Cybersecurity services companies in Rio De Janeiro	59
Cybersecurity services companies in Belo Horizonte	31
Cybersecurity services companies in Brasilia	29
Cybersecurity services companies in Curitiba	24
Cybersecurity services companies in Barueri	22
Cybersecurity services companies in Recife	18
Cybersecurity services companies in Campinas	18

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 services 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; 10 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 services companies are there based in Brazil?

There are 837 cybersecurity services companies headquartered in Brazil as of August 2026 (RevenueBase).

What is the largest company on this list?

Neosecure By SEK, headquartered in Sao Paulo, tops this list with the largest team on record.

Which city has the most cybersecurity services companies?

Sao Paulo leads with 277 headquartered companies, followed by Rio De Janeiro (59) and Belo Horizonte (31).

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 3,068 verified decision-maker contacts tracked across these 837 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.