Company lists · Data refreshed September 2026

Top 11 Multilingual contact center companies based in Sao Paulo, Brazil

RevenueBase identified 37 company matches for multilingual contact center companies associated with Sao Paulo, Brazil as of September 2026 and tracks 8,905 professional contacts across them, including 310 with verified work emails. Across Brazil, Sao Paulo is the largest hub for this category.

This list covers company matches for multilingual contact center companies associated with Sao Paulo, Brazil, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed September 29, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.

How to read this list RevenueBase SmartSearch · Exact Recorded Sep 29, 2026 How this list was built
37Companies
8,905Contacts tracked
310Verified emails
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The 11 largest multilingual contact center companies based in Sao Paulo, Brazil

Ranked by team size
Top 11 of 37 company matches for multilingual contact center companies based in Sao Paulo, Brazil, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 29, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchSao Paulo, BrazilHQ recorded Sep 29, 202610001+3,914 contacts →

Exact match

“Vikstar is one of the biggest contact centers of Brazil.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
2Exact matchSao Paulo, BrazilHQ recorded Sep 29, 202610001+305 contacts →

Exact match

“Fundada em 2006, a AlmavivA do Brasil é uma das principais empresas do segmento de contact center e a única a oferecer soluções inovadoras de Business Process Outsourcing (BPO)…”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
3Exact matchSao Paulo, BrazilHQ recorded Sep 29, 202651-20065 contacts →

Exact match

“Somos uma empresa jovem com excelência para operações de Contact Center, herdamos o Know-how de profissionais com 20 anos no mercado brasileiro.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
4Exact matchSao Paulo, BrazilHQ recorded Sep 29, 202651-20062 contacts →

Exact match

“A Amaro atua no mercado desde oferecendo soluções concretas para o desenvolvimento de projetos dirigidos ao atendimento de seu cliente.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
5Exact matchSao Paulo, BrazilHQ recorded Sep 29, 202651-20053 contacts →

Exact match

“A XGEN é uma plataforma de atendimento omnichannel com inteligência artificial que unifica todos os canais de contato com o cliente, voz, WhatsApp, chat, e-mail e redes sociais -…”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
6Exact matchSao Paulo, BrazilHQ recorded Sep 29, 202611-5040 contacts →

Exact match

“A sua empresa disponibiliza uma estrutura moderna e eficiente de atendimento e relacionamento aos seus clientes?”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
7Exact matchSao Paulo, BrazilHQ recorded Sep 29, 202651-20038 contacts →

Exact match

“A Information Systems é uma multinacional especialista em serviços e soluções para Contact Center Omnichannel, baseadas em inovação e tecnologias integradas.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
8Exact matchSao Paulo, BrazilHQ recorded Sep 29, 20261,001-5,00035 contacts →

Exact match

“Com um modelo de gestão ímpar e um parque tecnológico de ponta, o Voxline Contact Center foi fundado em 2002 por um Grupo investidor com mais de 30 Empresas no Brasil.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
9Exact matchSao Paulo, BrazilHQ recorded Sep 29, 20261-1017 contacts →

Exact match

“Atuamos no mercado de contact center desde 2008, fornecendo aos nossos clientes serviços de SAC (via contato telefônico, Chat ou e-mail) Cobrança e Televendas.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
10Exact matchSao Paulo, BrazilHQ recorded Sep 29, 202651-20013 contacts →

Exact match

“AHEAD é uma empresa especializada em oferecer a melhor infraestrutura para seu Contact Center.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
11Exact matchSao Paulo, BrazilHQ recorded Sep 29, 202611-507 contacts →

Exact match

“A Synapsis é composta por agentes de atendimento, cujo perfil profissional é desenhado de acordo com as particularidades de cada campanha.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase

Showing 11 of 37 multilingual contact center companies based in Sao Paulo, Brazil

See the full list, filter by size, metro and specialty, and access 310 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Multilingual contact center companies based in Sao Paulo, Brazil at a glance

As of Sep 29, 2026
3.5%Verified-email coverage
240.7Average contacts per company
51-200Median size (employees)
Sep 29, 2026Page data refreshed

Companies by employee count

1-10
4
11-50
11
51-200
11
201-500
3
501-1,000
3
1,001-5,000
1
10001+
4

Email recency for this list is measured across the whole Brazil list rather than for Sao Paulo, so it is reported there. Company counts and contact totals on this page are exact for Sao Paulo, over 37 companies.

How this list was built

The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.

Source
The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
What qualifies
Company records associated with Sao Paulo, Brazil whose business descriptions match “multilingual contact center companies” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
RevenueBase SmartSearch
Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
Public preview
The public preview omits records without a verified work email. Where headquarters information is recorded, preview rows are also filtered to this page’s location. Dataset totals and geographic summaries describe the full matched records before these preview filters.
Match quality
RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
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
Every displayed company carries at least one verified work email. RevenueBase tracks 310 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
Refresh
This page's figures were pulled from the company graph on September 29, 2026. Lists refresh periodically as the graph is re-checked.
Record context
Company records and descriptions can change. Check the company's website for its current services and locations.

Frequently asked

What is RevenueBase SmartSearch?

RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “multilingual contact center companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many multilingual contact center companies are there based in Sao Paulo, Brazil?

RevenueBase identified 37 company matches for multilingual contact center companies associated with Sao Paulo, Brazil as of September 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.

What is the largest company on this list?

Vikstar Contact Center tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city in Brazil has the most multilingual contact center companies?

Sao Paulo leads Brazil with 37 company records, followed by Curitiba (11) 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 limited free results with 500 credits to start. Upgrading provides access to the 310 professional contacts with verified work emails tracked across these 37 companies; direct dials are available where recorded.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 29, 2026.

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About this data

RevenueBase is a B2B data infrastructure company. Its company graph covers 60 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 with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.