Company lists · Data refreshed October 2026
Top 15 Telecom services providers for call centers based in Sao Paulo, Brazil
RevenueBase identified 152 company matches for telecom services providers for call centers associated with Sao Paulo, Brazil as of October 2026 and tracks 5,478 professional contacts across them, including 646 with verified work emails. Across Brazil, Sao Paulo is the largest hub for this category.
This list covers company matches for telecom services providers for call centers 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 October 20, 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.
The 15 largest telecom services providers for call centers based in Sao Paulo, Brazil
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 60 contacts → | ||||
Exact match “O Grupo Claricell comercializa serviços e produtos das empresas de telecomunicações, Claro e Embratel.” Recorded in the RevenueBase company graph · Oct 20, 2026 · View company records in RevenueBase | |||||
| 2 | 50 contacts → | ||||
Exact match “A Quality Telecom é uma empresa voltada à área de integração para soluções ligadas a telecomunicações e tecnologia da Informação que desenvolve projetos para pequenas, médias e…” Recorded in the RevenueBase company graph · Oct 20, 2026 · View company records in RevenueBase | |||||
| 3 | 45 contacts → | ||||
Exact match “O Grupo Union Telecom é referência em telecomunicações, oferecendo aos clientes e parceiros 20 anos de experiência, com profissionais capacitados, certificados e experientes.” Recorded in the RevenueBase company graph · Oct 20, 2026 · View company records in RevenueBase | |||||
| 4 | 44 contacts → | ||||
Exact match “A Talk Communications foi criada em São Paulo/SP no ano de 1998.” Recorded in the RevenueBase company graph · Oct 20, 2026 · View company records in RevenueBase | |||||
| 5 | 29 contacts → | ||||
Exact match “A Fale Paco entrega para seus clientes uma experiência única de qualidade, inovação e economia.” Recorded in the RevenueBase company graph · Oct 20, 2026 · View company records in RevenueBase | |||||
| 6 | 22 contacts → | ||||
Exact match “A tecnologia que aparece para o usuário depende de muita coisa que permanece invisível.” Recorded in the RevenueBase company graph · Oct 20, 2026 · View company records in RevenueBase | |||||
| 7 | 22 contacts → | ||||
Exact match “A PCS Professional Call Center Solutions, é uma empresa de TI e Telecom, especializada no desenvolvimento de soluções profissionais de alta tecnologia para centrais de atendimento.” Recorded in the RevenueBase company graph · Oct 20, 2026 · View company records in RevenueBase | |||||
| 8 | 16 contacts → | ||||
Exact match “A Agotec é especializada em T.I e serviços de Telefonia Voip, oferecendo soluções adaptáveis para empresas de todos os tamanhos.” Recorded in the RevenueBase company graph · Oct 20, 2026 · View company records in RevenueBase | |||||
| 9 | 15 contacts → | ||||
Exact match “A Flex Telecom é uma empresa formada por profissionais da área de telecomunicações altamente capacitados e com vasta experiência neste mercado.” Recorded in the RevenueBase company graph · Oct 20, 2026 · View company records in RevenueBase | |||||
| 10 | 14 contacts → | ||||
Exact match “Fundada em 2004, a iK1 é uma empresa especializada em soluções on demand de TI com ênfase em gerenciamento de processos - e telecomunicações para o mercado corporativo.” Recorded in the RevenueBase company graph · Oct 20, 2026 · View company records in RevenueBase | |||||
| 11 | 14 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 20, 2026 · View company records in RevenueBase | |||||
| 12 | 13 contacts → | ||||
Exact match “Pentagono Telecom é uma empresa com mais de 12 anos de experiência em soluções de telecom, especializada em serviços de Telefonia VoIP, cloud para telemarketing, call centers…” Recorded in the RevenueBase company graph · Oct 20, 2026 · View company records in RevenueBase | |||||
| 13 | 11 contacts → | ||||
Exact match “Atuamos como facilitadores na implantação e gestão de sistemas de Tecnologia da Informação e Comunicação (TIC).” Recorded in the RevenueBase company graph · Oct 20, 2026 · View company records in RevenueBase | |||||
| 14 | 11 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 20, 2026 · View company records in RevenueBase | |||||
| 15 | 10 contacts → | ||||
Exact match “A ADVANCE está entre as principais operadoras de Telecomunicações das Américas, promovemos a conectividade empresarial e sua integração, ofertando soluções completas e…” Recorded in the RevenueBase company graph · Oct 20, 2026 · View company records in RevenueBase | |||||
RevenueBase SmartSearch
Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.
This list uses Exact for “telecom services providers for call centers”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.
Showing 15 of 152 telecom services providers for call centers based in Sao Paulo, Brazil
See the full list, filter by size, metro and specialty, and access 646 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Telecom services providers for call centers based in Sao Paulo, Brazil at a glance
As of Oct 20, 2026Companies by employee count
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 152 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 “telecom services providers for call centers” 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 646 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 October 20, 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.
Telecom services providers for call centers by metro in Brazil
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 “telecom services providers for call centers”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many telecom services providers for call centers are there based in Sao Paulo, Brazil?
RevenueBase identified 152 company matches for telecom services providers for call centers associated with Sao Paulo, Brazil as of October 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?
Grupo Claricell tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city in Brazil has the most telecom services providers for call centers?
Sao Paulo leads Brazil with 152 company records, followed by Rio De Janeiro (35) and Belo Horizonte (25).
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 646 professional contacts with verified work emails tracked across these 152 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 October 20, 2026.
Ready to reach these companies? Verified emails and direct dials for all 152 telecom services providers for call centers based in Sao Paulo, Brazil. Start with a free account, no credit card.
Download this list →Related lists
Telecom services providers for call centers by geography
- Telecom services providers for call centers based in Melbourne, Australia
- Telecom services providers for call centers based in Sydney, Australia
- Telecom services providers for call centers based in Curitiba, Brazil
- Telecom services providers for call centers based in Rio De Janeiro, Brazil
- Telecom services providers for call centers based in Toronto, Canada
- Telecom services providers for call centers based in Paris, France
- Telecom services providers for call centers based in Bangalore, India
- Telecom services providers for call centers based in New Delhi, India
- Telecom services providers for call centers based in Singapore, Singapore
- Telecom services providers for call centers based in Johannesburg, South Africa
- Telecom services providers for call centers based in Madrid, Spain
- Telecom services providers for call centers based in Istanbul, Türkiye
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.
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Company intelligence · public preview
Top 15 telecom services providers for call centers based in Sao Paulo, Brazil
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 152 matching company records for telecom services providers for call centers based in Sao Paulo, Brazil, with 5,478 tracked contacts and 646 verified work emails.
This public preview shows 15 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: October 20, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 15 telecom services providers for call centers based in Sao Paulo, Brazil
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 |  Grupo Claricellclaricell.com.brHQ: Sao Paulo, BrazilReported employees: 51-200 | Sao Paulo, Brazil | 51-200 | Exact match | 60 contacts → |
“O Grupo Claricell comercializa serviços e produtos das empresas de telecomunicações, Claro e Embratel.” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Quality Technologyqualitytechnology.com.brHQ: Sao Paulo, BrazilReported employees: 51-200 | Sao Paulo, Brazil | 51-200 | Exact match | 50 contacts → |
“A Quality Telecom é uma empresa voltada à área de integração para soluções ligadas a telecomunicações e tecnologia da Informação que desenvolve projetos para pequenas, médias e…” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Grupo Union Telecomuniontelecom.com.brHQ: Sao Paulo, BrazilReported employees: 51-200 | Sao Paulo, Brazil | 51-200 | Exact match | 45 contacts → |
“O Grupo Union Telecom é referência em telecomunicações, oferecendo aos clientes e parceiros 20 anos de experiência, com profissionais capacitados, certificados e experientes.” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Talk Communications DO Brasiltalkcomm.com.brHQ: Sao Paulo, BrazilReported employees: 51-200 | Sao Paulo, Brazil | 51-200 | Exact match | 44 contacts → |
“A Talk Communications foi criada em São Paulo/SP no ano de 1998.” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Fale Pacofalepaco.com.brHQ: Sao Paulo, BrazilReported employees: 51-200 | Sao Paulo, Brazil | 51-200 | Exact match | 29 contacts → |
“A Fale Paco entrega para seus clientes uma experiência única de qualidade, inovação e economia.” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  ARC Telecomarctelecom.com.brHQ: Sao Paulo, BrazilReported employees: 11-50 | Sao Paulo, Brazil | 11-50 | Exact match | 22 contacts → |
“A tecnologia que aparece para o usuário depende de muita coisa que permanece invisível.” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  PCSpcsbrasil.com.brHQ: Sao Paulo, BrazilReported employees: 11-50 | Sao Paulo, Brazil | 11-50 | Exact match | 22 contacts → |
“A PCS Professional Call Center Solutions, é uma empresa de TI e Telecom, especializada no desenvolvimento de soluções profissionais de alta tecnologia para centrais de atendimento.” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Agotecagotec.com.brHQ: Sao Paulo, BrazilReported employees: 11-50 | Sao Paulo, Brazil | 11-50 | Exact match | 16 contacts → |
“A Agotec é especializada em T.I e serviços de Telefonia Voip, oferecendo soluções adaptáveis para empresas de todos os tamanhos.” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Flex Businessflexb.com.brHQ: Sao Paulo, BrazilReported employees: 11-50 | Sao Paulo, Brazil | 11-50 | Exact match | 15 contacts → |
“A Flex Telecom é uma empresa formada por profissionais da área de telecomunicações altamente capacitados e com vasta experiência neste mercado.” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Ik1 Tecnologiaik1.com.brHQ: Sao Paulo, BrazilReported employees: 11-50 | Sao Paulo, Brazil | 11-50 | Exact match | 14 contacts → |
“Fundada em 2004, a iK1 é uma empresa especializada em soluções on demand de TI com ênfase em gerenciamento de processos - e telecomunicações para o mercado corporativo.” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Global OSI Brasil Telecomunicacoes E Conectividadesositelecom.com.br HQ: Sao Paulo, BrazilReported employees: 1-10 | Sao Paulo, Brazil | 1-10 | Exact match | 14 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 12 | Pentágono Telecompentagonotelecom.com.br HQ: Sao Paulo, BrazilReported employees: 11-50 | Sao Paulo, Brazil | 11-50 | Exact match | 13 contacts → |
“Pentagono Telecom é uma empresa com mais de 12 anos de experiência em soluções de telecom, especializada em serviços de Telefonia VoIP, cloud para telemarketing, call centers…” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Wicorp Conexões Inteligenteswicorp.com.brHQ: Sao Paulo, BrazilReported employees: 11-50 | Sao Paulo, Brazil | 11-50 | Exact match | 11 contacts → |
“Atuamos como facilitadores na implantação e gestão de sistemas de Tecnologia da Informação e Comunicação (TIC).” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Primordial Comercio DE Telecomunicacoesprimordialtelecom.com.br HQ: Sao Paulo, BrazilReported employees: 11-50 | Sao Paulo, Brazil | 11-50 | Exact match | 11 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 15 |  Advance Telecomunicações Ltdaadvancetelecom.com.brHQ: Sao Paulo, BrazilReported employees: 11-50 | Sao Paulo, Brazil | 11-50 | Exact match | 10 contacts → |
“A ADVANCE está entre as principais operadoras de Telecomunicações das Américas, promovemos a conectividade empresarial e sua integração, ofertando soluções completas e…” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 15 of 152 company matches
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Telecom services providers for call centers: dataset insights
October 20, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
152 records in the displayed employee bands.
0 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
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 152 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: October 20, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Telecom services providers for call centers by metro in Brazil
Questions about this company list
What does Exact match mean for telecom services providers for call centers?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many telecom services providers for call centers did RevenueBase find based in Sao Paulo, Brazil?
The saved snapshot records 152 matching company records, 5,478 tracked contacts and 646 verified emails. The public preview displays 15 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: October 20, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Telecom services providers for call centers by geography
- Telecom services providers for call centers based in Melbourne, Australia
- Telecom services providers for call centers based in Sydney, Australia
- Telecom services providers for call centers based in Curitiba, Brazil
- Telecom services providers for call centers based in Rio De Janeiro, Brazil
- Telecom services providers for call centers based in Toronto, Canada
- Telecom services providers for call centers based in Paris, France
- Telecom services providers for call centers based in Bangalore, India
- Telecom services providers for call centers based in New Delhi, India
- Telecom services providers for call centers based in Singapore, Singapore
- Telecom services providers for call centers based in Johannesburg, South Africa
- Telecom services providers for call centers based in Madrid, Spain
- Telecom services providers for call centers based in Istanbul, Türkiye
Cite this list
RevenueBase Data Team. Top 15 telecom services providers for call centers based in Sao Paulo, Brazil. Snapshot: October 20, 2026. https://revenuebase.ai/companies/telecom-services-providers-for-call-centers/brazil/sao-paulo.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Telecom services providers for call centers based in Melbourne, Australia
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Company intelligence · public preview
Top 15 telecom services providers for call centers based in Sao Paulo, Brazil
RevenueBase records 152 matching company records for telecom services providers for call centers based in Sao Paulo, Brazil, with 5,478 tracked contacts and 646 verified work emails.
This public preview shows 15 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: October 20, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 15 telecom services providers for call centers based in Sao Paulo, Brazil
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | Grupo Claricellclaricell.com.br HQ: Sao Paulo, BrazilReported employees: 51-200 | Sao Paulo, Brazil | 51-200 | Exact match | 60 contacts → |
“O Grupo Claricell comercializa serviços e produtos das empresas de telecomunicações, Claro e Embratel.” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Quality Technologyqualitytechnology.com.br HQ: Sao Paulo, BrazilReported employees: 51-200 | Sao Paulo, Brazil | 51-200 | Exact match | 50 contacts → |
“A Quality Telecom é uma empresa voltada à área de integração para soluções ligadas a telecomunicações e tecnologia da Informação que desenvolve projetos para pequenas, médias e…” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Grupo Union Telecomuniontelecom.com.br HQ: Sao Paulo, BrazilReported employees: 51-200 | Sao Paulo, Brazil | 51-200 | Exact match | 45 contacts → |
“O Grupo Union Telecom é referência em telecomunicações, oferecendo aos clientes e parceiros 20 anos de experiência, com profissionais capacitados, certificados e experientes.” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Talk Communications DO Brasiltalkcomm.com.br HQ: Sao Paulo, BrazilReported employees: 51-200 | Sao Paulo, Brazil | 51-200 | Exact match | 44 contacts → |
“A Talk Communications foi criada em São Paulo/SP no ano de 1998.” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Fale Pacofalepaco.com.br HQ: Sao Paulo, BrazilReported employees: 51-200 | Sao Paulo, Brazil | 51-200 | Exact match | 29 contacts → |
“A Fale Paco entrega para seus clientes uma experiência única de qualidade, inovação e economia.” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | ARC Telecomarctelecom.com.br HQ: Sao Paulo, BrazilReported employees: 11-50 | Sao Paulo, Brazil | 11-50 | Exact match | 22 contacts → |
“A tecnologia que aparece para o usuário depende de muita coisa que permanece invisível.” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | PCSpcsbrasil.com.br HQ: Sao Paulo, BrazilReported employees: 11-50 | Sao Paulo, Brazil | 11-50 | Exact match | 22 contacts → |
“A PCS Professional Call Center Solutions, é uma empresa de TI e Telecom, especializada no desenvolvimento de soluções profissionais de alta tecnologia para centrais de atendimento.” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Agotecagotec.com.br HQ: Sao Paulo, BrazilReported employees: 11-50 | Sao Paulo, Brazil | 11-50 | Exact match | 16 contacts → |
“A Agotec é especializada em T.I e serviços de Telefonia Voip, oferecendo soluções adaptáveis para empresas de todos os tamanhos.” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Flex Businessflexb.com.br HQ: Sao Paulo, BrazilReported employees: 11-50 | Sao Paulo, Brazil | 11-50 | Exact match | 15 contacts → |
“A Flex Telecom é uma empresa formada por profissionais da área de telecomunicações altamente capacitados e com vasta experiência neste mercado.” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Ik1 Tecnologiaik1.com.br HQ: Sao Paulo, BrazilReported employees: 11-50 | Sao Paulo, Brazil | 11-50 | Exact match | 14 contacts → |
“Fundada em 2004, a iK1 é uma empresa especializada em soluções on demand de TI com ênfase em gerenciamento de processos - e telecomunicações para o mercado corporativo.” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Global OSI Brasil Telecomunicacoes E Conectividadesositelecom.com.br HQ: Sao Paulo, BrazilReported employees: 1-10 | Sao Paulo, Brazil | 1-10 | Exact match | 14 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 12 | Pentágono Telecompentagonotelecom.com.br HQ: Sao Paulo, BrazilReported employees: 11-50 | Sao Paulo, Brazil | 11-50 | Exact match | 13 contacts → |
“Pentagono Telecom é uma empresa com mais de 12 anos de experiência em soluções de telecom, especializada em serviços de Telefonia VoIP, cloud para telemarketing, call centers…” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Wicorp Conexões Inteligenteswicorp.com.br HQ: Sao Paulo, BrazilReported employees: 11-50 | Sao Paulo, Brazil | 11-50 | Exact match | 11 contacts → |
“Atuamos como facilitadores na implantação e gestão de sistemas de Tecnologia da Informação e Comunicação (TIC).” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Primordial Comercio DE Telecomunicacoesprimordialtelecom.com.br HQ: Sao Paulo, BrazilReported employees: 11-50 | Sao Paulo, Brazil | 11-50 | Exact match | 11 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 15 | Advance Telecomunicações Ltdaadvancetelecom.com.br HQ: Sao Paulo, BrazilReported employees: 11-50 | Sao Paulo, Brazil | 11-50 | Exact match | 10 contacts → |
“A ADVANCE está entre as principais operadoras de Telecomunicações das Américas, promovemos a conectividade empresarial e sua integração, ofertando soluções completas e…” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
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Telecom services providers for call centers: dataset insights
October 20, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
152 records in the displayed employee bands.
0 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
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 152 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: October 20, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Telecom services providers for call centers by metro in Brazil
Questions about this company list
What does Exact match mean for telecom services providers for call centers?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many telecom services providers for call centers did RevenueBase find based in Sao Paulo, Brazil?
The saved snapshot records 152 matching company records, 5,478 tracked contacts and 646 verified emails. The public preview displays 15 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: October 20, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
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Cite this list
RevenueBase Data Team. Top 15 telecom services providers for call centers based in Sao Paulo, Brazil. Snapshot: October 20, 2026. https://revenuebase.ai/companies/telecom-services-providers-for-call-centers/brazil/sao-paulo.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
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