Company lists · Data verified August 2026

Top 25 Customer service call centers based in Brazil

Name: Customer service call centers based in Brazil
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 123 companies tracked

There are 123 customer service call centers headquartered in Brazil (RevenueBase, August 2026). RevenueBase tracks 25,580 professional contacts across them, including 762 with verified work emails and 109 with mobile numbers. Sao Paulo is the largest hub.

This list covers customer service call centers 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.

123Companies

25,580Contacts tracked

762Verified emails

109Mobile numbers

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The 25 largest customer service call centers based in Brazil

Ranked by team size

Top 25 of 123 customer service call centers 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	Vikstar Contact Center	Sao Paulo	10001+	3,912	68
2	Sercom	Taboao Da Serra	5,001-10,000	3,788	158
3	Vemsertahto	Goiania	5,001-10,000	2,174	109
4	DBM Contact Center	Curitiba	1,001-5,000	1,313	36
5	Parla Contact Center	Barueri	1,001-5,000	1,234	20
6	Logos Serviços	Sao Luis	1,001-5,000	1,161	33
7	Btcc Call Center	Goiania	10001+	1,059	13
8	Youtility Center DO Brasil	Barra Mansa	1,001-5,000	924	2
9	Vector	Fortaleza	1,001-5,000	700	3
10	ATN Contact Center	Rio De Janeiro	501-1,000	530	2
11	Home Agent	Sao Paulo	201-500	468	167
12	Almaviva DO Brasil	Sao Paulo	10001+	318	76
13	ITS Customer Service	Ribeirao Preto	501-1,000	247	2
14	Proativa Contact Center	Sete Lagoas	201-500	138	1
15	Ivox Contact Center	Vitoria	51-200	94	11
16	GVP	Barueri	51-200	94	7
17	Quality Contact Center	Taboao Da Serra	501-1,000	88	5
18	Bizpro Processos DE Negócios	Sao Paulo	201-500	71	1
19	Criativa Call Center	Belem	51-200	62	6
20	Grupo Amaro	Sao Paulo	51-200	60	7
21	Totalcare Serv Tmkt Ltda	n/a	51-200	60	1
22	Motiva Contact Center	Campinas	1,001-5,000	42	3
23	WA Contact Center	Niteroi	501-1,000	39	2
24	Sirius Assessoria	Pouso Alegre	51-200	23	2
25	On Line SAC	Barueri	51-200	15	2

Showing 25 of 123 customer service call centers based in Brazil

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Customer service call centers based in Brazil at a glance

As of Aug 28, 2026

51-200Median size (employees)

Sao PauloLargest hub · 31 HQs

109Contacts 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

1,001-5,000

5,001-10,000

10001+

Customer service call centers by metro

Metro	Companies
Customer service call centers in Sao Paulo	31
Customer service call centers in Barueri	8
Customer service call centers in Porto Alegre	7
Customer service call centers in Rio De Janeiro	6
Customer service call centers in Curitiba	6
Customer service call centers in Florianopolis	3
Customer service call centers in Taboao Da Serra	3
Customer service call centers in Brasilia	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 “customer service call centers”, 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 customer service call centers are there based in Brazil?

There are 123 customer service call centers headquartered in Brazil as of August 2026 (RevenueBase).

What is the largest company on this list?

Vikstar Contact Center, headquartered in Sao Paulo, tops this list with the largest team on record.

Which city has the most customer service call centers?

Sao Paulo leads with 31 headquartered companies, followed by Barueri (8) and Porto Alegre (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 762 verified decision-maker contacts tracked across these 123 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.