Company lists · Data verified August 2026

Top 25 Cloud email security companies based in Brazil

Name: Cloud email security companies based in Brazil
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 76 companies tracked

There are 76 cloud email security companies headquartered in Brazil (RevenueBase, August 2026). RevenueBase tracks 745 professional contacts across them, including 193 with verified work emails and 12 with mobile numbers. Sao Paulo is the largest hub.

This list covers cloud email security 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.

76Companies

745Contacts tracked

193Verified emails

12Mobile numbers

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The 25 largest cloud email security companies based in Brazil

Ranked by team size

Top 25 of 76 cloud email security 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	OL Tecnologia	Sao Paulo	51-200	68	23
2	Innuvem Consultoria	Rio De Janeiro	11-50	51	21
3	Defcon1	Sao Paulo	11-50	48	21
4	I DO	Rio De Janeiro	11-50	47	2
5	MAV Tecnologia	Belo Horizonte	11-50	45	1
6	Next4sec Security Intelligence	Sao Paulo	51-200	43	13
7	Ostec Business Security	Tubarao	51-200	38	16
8	Teamti	Cuiaba	11-50	25	6
9	Stronit	Jaragua Do Sul	11-50	21	5
10	Trend Micro Brasil	Sao Paulo	n/a	14	8
11	At Hand Tecnologia	Sao Luis	1-10	14	6
12	Webplus	Sao Jose Do Rio Preto	1-10	13	4
13	Exceda	Sao Paulo	51-200	13	1
14	WAN Tecnologia	n/a	11-50	12	2
15	Pronnus Tecnologia	Joacaba	1-10	10	6
16	E-Mith Tecnologia	Sao Paulo	1-10	10	5
17	Ananim Cloud	Sao Paulo	51-200	9	4
18	Dotfile Segurança Digital	Criciuma	1-10	9	2
19	Global Gate	Blumenau	51-200	8	3
20	Cysfera	Rio De Janeiro	11-50	8	2
21	Nuvem JTI	Limeira	1-10	7	5
22	Tidatta Cloud Para Evoluir	Curitiba	11-50	6	1
23	Bravul	Sao Paulo	1-10	5	1
24	Tarx Tecnologia	Timbo	1-10	5	1
25	Callister Soluções EM TI	Cotia	1-10	4	3

Showing 25 of 76 cloud email security companies based in Brazil

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Cloud email security companies based in Brazil at a glance

As of Aug 28, 2026

1-10Median size (employees)

Sao PauloLargest hub · 23 HQs

12Contacts with mobile numbers

0Emails re-verified in last 30 days

Companies by employee count

1-10

11-50

51-200

1,001-5,000

5,001-10,000

Cloud email security companies by metro

Metro	Companies
Cloud email security companies in Sao Paulo	23
Cloud email security companies in Rio De Janeiro	5
Cloud email security companies in Curitiba	4
Cloud email security companies in Recife	3
Cloud email security companies in Goiania	2
Cloud email security companies in Jaragua Do Sul	2
Cloud email security companies in Belo Horizonte	2
Cloud email security companies in Limeira	2

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 “cloud email security 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; 0 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 cloud email security companies are there based in Brazil?

There are 76 cloud email security companies headquartered in Brazil as of August 2026 (RevenueBase).

What is the largest company on this list?

OL Tecnologia, headquartered in Sao Paulo, tops this list with the largest team on record.

Which city has the most cloud email security companies?

Sao Paulo leads with 23 headquartered companies, followed by Rio De Janeiro (5) and Curitiba (4).

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 193 verified decision-maker contacts tracked across these 76 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.