Company lists · Data verified August 2026

Top 25 Cloud communications companies based in Brazil

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

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 130 companies tracked

There are 130 cloud communications companies headquartered in Brazil (RevenueBase, August 2026). RevenueBase tracks 2,055 professional contacts across them, including 366 with verified work emails and 19 with mobile numbers. Sao Paulo is the largest hub.

This list covers cloud communications 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.

130Companies

2,055Contacts tracked

366Verified emails

19Mobile numbers

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The 25 largest cloud communications companies based in Brazil

Ranked by team size

Top 25 of 130 cloud communications 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	Central 24 Horas	Aracaju	201-500	280	24
2	Telium Networks	Porto Alegre	201-500	232	1
3	Absolut Technologies	Lauro De Freitas	51-200	151	83
4	3c Plus	Guarapuava	51-200	127	28
5	North Tecnologia	Belo Horizonte	51-200	92	15
6	Baldussi Telecom	Curitiba	51-200	72	23
7	TEN Internet	Capim Grosso	51-200	67	3
8	Loupen Tecnologia	Cascavel	51-200	57	1
9	UC Technology	Campinas	11-50	54	12
10	Grupo Union Telecom	Sao Paulo	51-200	45	14
11	NVOIP	Juiz De Fora	51-200	39	9
12	Alhambrait BR	Sao Paulo	201-500	37	14
13	BR Conecta	Boituva	51-200	36	4
14	Tellfree Brasil Telefonia IP S.A	Sao Paulo	51-200	32	2
15	Voice Technology	Sao Paulo	51-200	30	17
16	Fale Paco	Sao Paulo	51-200	28	3
17	United World Telecom	Sao Paulo	11-50	26	17
18	Base Telco	Sao Paulo	51-200	26	14
19	Phonevox Group	Santo Anastacio	51-200	26	1
20	wetalk.it	Curitiba	11-50	23	13
21	Pontual Telecom	Canoas	11-50	22	10
22	Inovacomm Comunicações Unificadas	Rio	11-50	18	4
23	Krolik	Ribeirao Preto	11-50	18	3
24	WAN Tecnologia	n/a	11-50	12	2
25	Smartel Inteligência EM Conectividade	Veranopolis	11-50	9	6

Showing 25 of 130 cloud communications companies based in Brazil

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Cloud communications companies based in Brazil at a glance

As of Aug 28, 2026

11-50Median size (employees)

Sao PauloLargest hub · 42 HQs

19Contacts with mobile numbers

8Emails re-verified in last 30 days

Companies by employee count

1-10

11-50

51-200

201-500

501-1,000

1,001-5,000

Cloud communications companies by metro

Metro	Companies
Cloud communications companies in Sao Paulo	42
Cloud communications companies in Curitiba	7
Cloud communications companies in Cascavel	4
Cloud communications companies in Porto Alegre	4
Cloud communications companies in Rio De Janeiro	3
Cloud communications companies in Ribeirao Preto	3
Cloud communications companies in Recife	3
Cloud communications companies in Barueri	3

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 communications 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; 8 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 communications companies are there based in Brazil?

There are 130 cloud communications companies headquartered in Brazil as of August 2026 (RevenueBase).

What is the largest company on this list?

Central 24 Horas, headquartered in Aracaju, tops this list with the largest team on record.

Which city has the most cloud communications companies?

Sao Paulo leads with 42 headquartered companies, followed by Curitiba (7) and Cascavel (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 366 verified decision-maker contacts tracked across these 130 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.