Company lists · Data verified August 2026

Top 25 Cloud pbx companies based in Brazil

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

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 150 companies tracked

There are 150 cloud pbx companies headquartered in Brazil (RevenueBase, August 2026). RevenueBase tracks 1,996 professional contacts across them, including 385 with verified work emails and 24 with mobile numbers. Sao Paulo is the largest hub.

This list covers cloud pbx 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.

150Companies

1,996Contacts tracked

385Verified emails

24Mobile numbers

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The 25 largest cloud pbx companies based in Brazil

Ranked by team size

Top 25 of 150 cloud pbx 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	3c Plus	Guarapuava	51-200	127	28
4	Baldussi Telecom	Curitiba	51-200	72	23
5	Agil Telecom	Sao Paulo Sp	11-50	59	23
6	UC Technology	Campinas	11-50	54	12
7	Grupo Union Telecom	Sao Paulo	51-200	45	14
8	Redt Telecom	Petropolis	51-200	41	14
9	IUNGO	Santo Andre	51-200	38	25
10	Voitel Soluções DE Comunicação	Sao Paulo	11-50	37	19
11	BR Conecta	Boituva	51-200	36	4
12	Tellfree Brasil Telefonia IP S.A	Sao Paulo	51-200	32	2
13	Fale Paco	Sao Paulo	51-200	28	3
14	United World Telecom	Sao Paulo	11-50	26	17
15	Base Telco	Sao Paulo	51-200	26	14
16	Phonevox Group	Santo Anastacio	51-200	26	1
17	Flexus Soluções	Sao Paulo	11-50	22	8
18	ARC Telecom	Sao Paulo	11-50	20	6
19	Inovacomm Comunicações Unificadas	Rio	11-50	18	4
20	Agotec	Sao Paulo	11-50	18	1
21	Stel Tecnologia	Varginha	11-50	13	5
22	Smartel Inteligência EM Conectividade	Veranopolis	11-50	9	6
23	PCM Soluções	Goiania	11-50	9	2
24	MBX Pabx EM Nuvem	Cascavel	11-50	7	6
25	Digital VOX Telecom	Palhoca	11-50	7	2

Showing 25 of 150 cloud pbx companies based in Brazil

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Cloud pbx companies based in Brazil at a glance

As of Aug 28, 2026

11-50Median size (employees)

Sao PauloLargest hub · 50 HQs

24Contacts with mobile numbers

3Emails re-verified in last 30 days

Companies by employee count

1-10

11-50

51-200

201-500

501-1,000

Cloud pbx companies by metro

Metro	Companies
Cloud pbx companies in Sao Paulo	50
Cloud pbx companies in Curitiba	8
Cloud pbx companies in Belo Horizonte	7
Cloud pbx companies in Porto Alegre	4
Cloud pbx companies in Jundiai	4
Cloud pbx companies in Campinas	4
Cloud pbx companies in Recife	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 pbx 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; 3 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 pbx companies are there based in Brazil?

There are 150 cloud pbx 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 pbx companies?

Sao Paulo leads with 50 headquartered companies, followed by Curitiba (8) and Belo Horizonte (7).

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 385 verified decision-maker contacts tracked across these 150 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.