Company lists · Data verified August 2026

Top 25 Cybersecurity support companies based in Brazil

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

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 808 companies tracked

There are 808 cybersecurity support companies headquartered in Brazil (RevenueBase, August 2026). RevenueBase tracks 9,007 professional contacts across them, including 2,691 with verified work emails and 297 with mobile numbers. Sao Paulo is the largest hub.

This list covers cybersecurity support 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.

808Companies

9,007Contacts tracked

2,691Verified emails

297Mobile numbers

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The 25 largest cybersecurity support companies based in Brazil

Ranked by team size

Top 25 of 808 cybersecurity support 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	ASPER	Florianopolis	201-500	327	158
4	Oplium	Rio De Janeiro	201-500	228	104
5	Redbelt Security	Sao Paulo	51-200	214	91
6	Stefanini Cyber	Sao Paulo	501-1,000	197	4
7	Under Protection	Pinhais Alphaville	51-200	125	57
8	Network Secure	Fortaleza	51-200	116	60
9	Oakmont Group	Barueri	51-200	113	37
10	Netsecurity	Sao Paulo	51-200	109	64
11	Inorpel Cybersecurity	Cabedelo	51-200	103	24
12	EVAL	Sao Paulo	51-200	87	31
13	Alleasy	Sao Paulo	51-200	87	11
14	Apura Cyber Corp	Brasilia	51-200	82	53
15	Foregenix	Sao Paulo	51-200	80	61
16	Securityfirst	Sao Paulo	51-200	77	37
17	OL Tecnologia	Sao Paulo	51-200	68	23
18	Scunna	Porto Alegre	51-200	66	38
19	Xsite Segurança DA Informação	Salvador	51-200	60	32
20	Deltapoint	Sao Paulo	51-200	57	22
21	Bricon IT Solutions	Sao Paulo	51-200	57	11
22	Fasthelp Segurança DA Informação	Brasilia	51-200	56	26
23	Dfense	Sao Paulo	51-200	55	22
24	RSEC	Brasilia	51-200	55	5
25	Berghem	Sao Paulo	51-200	54	21

Showing 25 of 808 cybersecurity support companies based in Brazil

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Cybersecurity support companies based in Brazil at a glance

As of Aug 28, 2026

1-10Median size (employees)

Sao PauloLargest hub · 259 HQs

297Contacts with mobile numbers

9Emails re-verified in last 30 days

Companies by employee count

1-10

456

11-50

270

51-200

201-500

501-1,000

1,001-5,000

Cybersecurity support companies by metro

Metro	Companies
Cybersecurity support companies in Sao Paulo	259
Cybersecurity support companies in Rio De Janeiro	60
Cybersecurity support companies in Belo Horizonte	30
Cybersecurity support companies in Brasilia	27
Cybersecurity support companies in Curitiba	24
Cybersecurity support companies in Barueri	22
Cybersecurity support companies in Porto Alegre	16
Cybersecurity support companies in Campinas	13

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 support 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; 9 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 support companies are there based in Brazil?

There are 808 cybersecurity support 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 support companies?

Sao Paulo leads with 259 headquartered companies, followed by Rio De Janeiro (60) and Belo Horizonte (30).

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 2,691 verified decision-maker contacts tracked across these 808 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.