Company lists · Data verified August 2026

Top 25 Enterprise voice solutions companies based in Brazil

Name: Enterprise voice solutions companies based in Brazil
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 405 companies tracked

There are 405 enterprise voice solutions companies headquartered in Brazil (RevenueBase, August 2026). RevenueBase tracks 6,787 professional contacts across them, including 952 with verified work emails and 75 with mobile numbers. Sao Paulo is the largest hub.

This list covers enterprise voice solutions 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.

405Companies

6,787Contacts tracked

952Verified emails

75Mobile numbers

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The 25 largest enterprise voice solutions companies based in Brazil

Ranked by team size

Top 25 of 405 enterprise voice solutions 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	Unifique	Timbo	1,001-5,000	1,812	14
2	IK	Rio De Janeiro	201-500	277	74
3	A5 Solutions	Sao Paulo	201-500	241	109
4	Telium Networks	Porto Alegre	201-500	232	1
5	Método Telecom	Belo Horizonte	51-200	218	90
6	KHOMP	Florianopolis	201-500	209	99
7	a.telecom	Sao Paulo	51-200	139	29
8	Phonoway	Sao Paulo	201-500	135	48
9	Olitel Brasil S A	Sao Paulo	51-200	71	3
10	Agil Telecom	Sao Paulo Sp	11-50	59	23
11	Quality Technology	Sao Paulo	51-200	54	13
12	Grupo Union Telecom	Sao Paulo	51-200	45	14
13	Redt Telecom	Petropolis	51-200	41	14
14	Utech Tecnologia	Florianopolis	11-50	41	14
15	Facilita Telecom	Uba	11-50	38	21
16	Alhambrait BR	Sao Paulo	201-500	37	14
17	BR Conecta	Boituva	51-200	36	4
18	Tellfree Brasil Telefonia IP S.A	Sao Paulo	51-200	32	2
19	ZAFEX	Sao Mateus	51-200	31	3
20	COMM	Sao Paulo	11-50	30	10
21	Fale Paco	Sao Paulo	51-200	28	3
22	Newscon	Rio De Janeiro	51-200	27	3
23	Base Telco	Sao Paulo	51-200	26	14
24	VDS Tecnologia	Belo Horizonte	11-50	23	11
25	Mundo Telecom	Belo Horizonte	51-200	23	6

Showing 25 of 405 enterprise voice solutions companies based in Brazil

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Enterprise voice solutions companies based in Brazil at a glance

As of Aug 28, 2026

11-50Median size (employees)

Sao PauloLargest hub · 111 HQs

75Contacts with mobile numbers

0Emails re-verified in last 30 days

Companies by employee count

1-10

170

11-50

180

51-200

201-500

1,001-5,000

5,001-10,000

10001+

Enterprise voice solutions companies by metro

Metro	Companies
Enterprise voice solutions companies in Sao Paulo	111
Enterprise voice solutions companies in Rio De Janeiro	21
Enterprise voice solutions companies in Curitiba	19
Enterprise voice solutions companies in Belo Horizonte	17
Enterprise voice solutions companies in Porto Alegre	15
Enterprise voice solutions companies in Campinas	10
Enterprise voice solutions companies in Jundiai	8

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 “enterprise voice solutions 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 enterprise voice solutions companies are there based in Brazil?

There are 405 enterprise voice solutions companies headquartered in Brazil as of August 2026 (RevenueBase).

What is the largest company on this list?

Unifique, headquartered in Timbo, tops this list with the largest team on record.

Which city has the most enterprise voice solutions companies?

Sao Paulo leads with 111 headquartered companies, followed by Rio De Janeiro (21) and Curitiba (19).

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 952 verified decision-maker contacts tracked across these 405 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.