Company lists · Data verified August 2026

Top 25 Contact center as a service providers based in Brazil

Name: Contact center as a service providers based in Brazil
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 281 companies tracked

There are 281 contact center as a service providers headquartered in Brazil (RevenueBase, August 2026). RevenueBase tracks 132,811 professional contacts across them, including 8,828 with verified work emails and 620 with mobile numbers. Sao Paulo is the largest hub.

This list covers contact center as a service providers 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.

281Companies

132,811Contacts tracked

8,828Verified emails

620Mobile numbers

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The 25 largest contact center as a service providers based in Brazil

Ranked by team size

Top 25 of 281 contact center as a service providers 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	Atento	Sao Paulo	10001+	77,086	4,111
2	AEC	Sao Paulo	10001+	20,081	2,568
3	Sercom	Taboao Da Serra	5,001-10,000	3,788	158
4	TMKT	Poa	5,001-10,000	3,320	6
5	VGX Contact Center	Belo Horizonte	1,001-5,000	2,938	115
6	Grupo Contax	Sao Paulo	10001+	2,857	21
7	Webhelp Onelink	Curitiba	10001+	2,250	421
8	Vemsertahto	Goiania	5,001-10,000	2,174	109
9	DBM Contact Center	Curitiba	1,001-5,000	1,313	36
10	Parla Contact Center	Barueri	1,001-5,000	1,234	20
11	Speedmais	Recife	1,001-5,000	971	3
12	Youtility Center DO Brasil	Barra Mansa	1,001-5,000	924	2
13	Vector	Fortaleza	1,001-5,000	700	3
14	ATN Contact Center	Rio De Janeiro	501-1,000	530	2
15	Home Agent	Sao Paulo	201-500	468	167
16	Vermont Xcenter	Sao Paulo	501-1,000	362	59
17	Scooto	Sao Paulo	201-500	351	38
18	Bcr.Cx, Zendesk Partner Of The Year 2026	Sao Paulo	201-500	312	63
19	Central 24 Horas	Aracaju	201-500	280	24
20	TLD Teledata Tecnologia EM Conectividade	Barueri Sp	201-500	261	16
21	Exsen Atende	Barueri	501-1,000	171	12
22	2cx	Sao Paulo	201-500	134	61
23	55pbx Telecom E Pabx NA Nuvem	Sao Paulo	51-200	119	40
24	LIGO	Sao Paulo	51-200	102	49
25	Mitrol	Sao Paulo	51-200	99	51

Showing 25 of 281 contact center as a service providers based in Brazil

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Contact center as a service providers based in Brazil at a glance

As of Aug 28, 2026

11-50Median size (employees)

Sao PauloLargest hub · 98 HQs

620Contacts with mobile numbers

18Emails 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+

Contact center as a service providers by metro

Metro	Companies
Contact center as a service providers in Sao Paulo	98
Contact center as a service providers in Curitiba	17
Contact center as a service providers in Porto Alegre	11
Contact center as a service providers in Fortaleza	10
Contact center as a service providers in Rio De Janeiro	8
Contact center as a service providers in Florianopolis	8
Contact center as a service providers in Uberlandia	7
Contact center as a service providers in Campinas	6

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 “contact center as a service providers”, 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; 18 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 contact center as a service providers are there based in Brazil?

There are 281 contact center as a service providers headquartered in Brazil as of August 2026 (RevenueBase).

What is the largest company on this list?

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

Which city has the most contact center as a service providers?

Sao Paulo leads with 98 headquartered companies, followed by Curitiba (17) and Porto Alegre (11).

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 8,828 verified decision-maker contacts tracked across these 281 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.