Company lists · Data refreshed September 2026
Top 17 Enterprise telephony providers based in Sao Paulo, Brazil
RevenueBase identified 113 company matches for enterprise telephony providers associated with Sao Paulo, Brazil as of September 2026 and tracks 1,547 professional contacts across them, including 201 with verified work emails. Across Brazil, Sao Paulo is the largest hub for this category.
This list covers company matches for enterprise telephony providers 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 28, 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 17 largest enterprise telephony providers based in Sao Paulo, Brazil
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 44 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 · Sep 28, 2026 · View company records in RevenueBase | |||||
| 2 | 30 contacts → | ||||
Exact match “A Fale Paco entrega para seus clientes uma experiência única de qualidade, inovação e economia.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 3 | 20 contacts → | ||||
Exact match “Há 28 anos ajudando empresas a melhorar suas comunicações Criamos a ARC Telecom em 1995 inicialmente com o foco de ofertar serviços e soluções customizadas em telecomunicações…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 4 | 18 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 · Sep 28, 2026 · View company records in RevenueBase | |||||
| 5 | 16 contacts → | ||||
Exact match “Operadora de Telefonia Fixa | Agilidade | Escalabilidade | Flexibilidade Voiicr atua como um Hub de Interconexão de Voz escalável, oferecendo a maior cobertura para portabilidade…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 6 | 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 · Sep 28, 2026 · View company records in RevenueBase | |||||
| 7 | 15 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 8 | 12 contacts → | ||||
Exact match “A IK Solution dispõe de diversas soluções inovadoras para seu negócio sair na frente.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 9 | 6 contacts → | ||||
Exact match “Somos especializados em soluções de comunicação para empresas.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 10 | 6 contacts → | ||||
Exact match “Temos como objetivo prestar consultoria criando soluções customizadas para empresas de médio e pequeno porte na área telecomunicação através do PABX Cloud, visando minimizar…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 11 | 6 contacts → | ||||
Exact match “A VoIPConsult é uma empresa integradora de soluções e tecnologias para voz e dados.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 12 | 5 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 13 | 4 contacts → | ||||
Exact match “QUEM SOMOS A Tech Inn Teleinformática é uma integradora de soluções em telecomunicação que atua nos segmentos de telefonia, dados, rede de telefone / computador e Circuito fechado…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 14 | 4 contacts → | ||||
Exact match “Tudo para que seus negócios possam expandir com qualidade na comunicação entre clientes, fornecedores, colaboradores e funcionários.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 15 | 3 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 16 | 2 contacts → | ||||
Exact match “A D.lextel Telecomunicações é uma provedora de soluções de comunicação, especializada em projetos personalizados de PABX Virtual & Telefonia VOIP.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 17 | 2 contacts → | ||||
Exact match “A LCR Comunicação Multimídia é uma das principais operadoras VoIP do Brasil.” Recorded in the RevenueBase company graph · Sep 28, 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 “enterprise telephony providers”. 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 17 of 113 enterprise telephony providers based in Sao Paulo, Brazil
See the full list, filter by size, metro and specialty, and access 201 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Enterprise telephony providers based in Sao Paulo, Brazil at a glance
As of Sep 28, 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 113 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 “enterprise telephony providers” 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 201 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 28, 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 “enterprise telephony providers”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many enterprise telephony providers are there based in Sao Paulo, Brazil?
RevenueBase identified 113 company matches for enterprise telephony providers 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?
Grupo Union Telecom tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city in Brazil has the most enterprise telephony providers?
Sao Paulo leads Brazil with 113 company records, followed by Curitiba (22) and Belo Horizonte (18).
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 201 professional contacts with verified work emails tracked across these 113 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 28, 2026.
Ready to reach these companies? Verified emails and direct dials for all 113 enterprise telephony providers based in Sao Paulo, Brazil. Start with a free account, no credit card.
Download this list →Related lists
Enterprise telephony providers by geography
- Enterprise telephony providers based in Sydney, Australia
- Enterprise telephony providers based in Toronto, Canada
- Enterprise telephony providers based in Paris, France
- Enterprise telephony providers based in Singapore, Singapore
- Enterprise telephony providers based in Johannesburg, South Africa
- Enterprise telephony providers based in Madrid, Spain
- Enterprise telephony providers based in London, United Kingdom
- Enterprise telephony providers based in Dallas, United States
- Enterprise telephony providers based in Houston, United States
- Enterprise telephony providers based in New York, United States
- Enterprise telephony providers based in Australia
- Enterprise telephony providers based in Austria
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.
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Enterprise telephony providers based in Sydney, Australia
- Enterprise telephony providers based in Toronto, Canada
- Enterprise telephony providers based in Paris, France
- Enterprise telephony providers based in Singapore, Singapore
- Enterprise telephony providers based in Johannesburg, South Africa
- Enterprise telephony providers based in Madrid, Spain
Company intelligence · public preview
Top 17 enterprise telephony providers 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 113 matching company records for enterprise telephony providers based in Sao Paulo, Brazil, with 1,547 tracked contacts and 201 verified work emails.
This public preview shows 17 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 28, 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 17 enterprise telephony providers 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 Union Telecomuniontelecom.com.brHQ: Sao Paulo, BrazilReported employees: 51-200 | Sao Paulo, Brazil | 51-200 | Exact match | 44 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 · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Fale Pacofalepaco.com.brHQ: Sao Paulo, BrazilReported employees: 51-200 | Sao Paulo, Brazil | 51-200 | Exact match | 30 contacts → |
“A Fale Paco entrega para seus clientes uma experiência única de qualidade, inovação e economia.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  ARC Telecomarctelecom.com.brHQ: Sao Paulo, BrazilReported employees: 11-50 | Sao Paulo, Brazil | 11-50 | Exact match | 20 contacts → |
“Há 28 anos ajudando empresas a melhorar suas comunicações Criamos a ARC Telecom em 1995 inicialmente com o foco de ofertar serviços e soluções customizadas em telecomunicações…” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Agotecagotec.com.brHQ: Sao Paulo, BrazilReported employees: 11-50 | Sao Paulo, Brazil | 11-50 | Exact match | 18 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 · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Voiicrvoiicr.com HQ: Sao Paulo, BrazilReported employees: 11-50 | Sao Paulo, Brazil | 11-50 | Exact match | 16 contacts → |
“Operadora de Telefonia Fixa | Agilidade | Escalabilidade | Flexibilidade Voiicr atua como um Hub de Interconexão de Voz escalável, oferecendo a maior cobertura para portabilidade…” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  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 · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Global OSI Brasil Telecomunicacoes E Conectividadesositelecom.com.br HQ: Sao Paulo, BrazilReported employees: 1-10 | Sao Paulo, Brazil | 1-10 | Exact match | 15 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 8 |  IKik.com.brHQ: Sao Paulo, BrazilReported employees: 201-500 | Sao Paulo, Brazil | 201-500 | Exact match | 12 contacts → |
“A IK Solution dispõe de diversas soluções inovadoras para seu negócio sair na frente.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Servstar Telecom E Networkservstartelecom.com.brHQ: Sao Paulo, BrazilReported employees: 1-10 | Sao Paulo, Brazil | 1-10 | Exact match | 6 contacts → |
“Somos especializados em soluções de comunicação para empresas.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Ligue Mais Telecomliguemaistelecom.com.brHQ: Sao Paulo, BrazilReported employees: 11-50 | Sao Paulo, Brazil | 11-50 | Exact match | 6 contacts → |
“Temos como objetivo prestar consultoria criando soluções customizadas para empresas de médio e pequeno porte na área telecomunicação através do PABX Cloud, visando minimizar…” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Voipconsultvoipconsult.com.brHQ: Sao Paulo, BrazilReported employees: 1-10 | Sao Paulo, Brazil | 1-10 | Exact match | 6 contacts → |
“A VoIPConsult é uma empresa integradora de soluções e tecnologias para voz e dados.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Across Comercio E Prestacao DE Servicos EM Telecomunicacoesacrosstelecom.com.br HQ: Sao Paulo, BrazilReported employees: 1-10 | Sao Paulo, Brazil | 1-10 | Exact match | 5 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 13 |  Tech INN Teleinformatica Ltdatechinn.com.brHQ: Sao Paulo, BrazilReported employees: 11-50 | Sao Paulo, Brazil | 11-50 | Exact match | 4 contacts → |
“QUEM SOMOS A Tech Inn Teleinformática é uma integradora de soluções em telecomunicação que atua nos segmentos de telefonia, dados, rede de telefone / computador e Circuito fechado…” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Cosmos Comércio E Serviços DE Telecomunicações Ltdacosmostelecom.com.brHQ: Sao Paulo, BrazilReported employees: 1-10 | Sao Paulo, Brazil | 1-10 | Exact match | 4 contacts → |
“Tudo para que seus negócios possam expandir com qualidade na comunicação entre clientes, fornecedores, colaboradores e funcionários.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Hello Brazil Telecomunicacoeshellobrazil.com.br HQ: Sao Paulo, BrazilReported employees: 51-200 | Sao Paulo, Brazil | 51-200 | Exact match | 3 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 16 |  D.Lextel Telecomunicaçõesdlextel.com.brHQ: Sao Paulo, BrazilReported employees: 1-10 | Sao Paulo, Brazil | 1-10 | Exact match | 2 contacts → |
“A D.lextel Telecomunicações é uma provedora de soluções de comunicação, especializada em projetos personalizados de PABX Virtual & Telefonia VOIP.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  LCR Comunicação Multimidialcrcm.com.brHQ: Sao Paulo, BrazilReported employees: 11-50 | Sao Paulo, Brazil | 11-50 | Exact match | 2 contacts → |
“A LCR Comunicação Multimídia é uma das principais operadoras VoIP do Brasil.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 17 of 113 company matches
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Enterprise telephony providers: dataset insights
September 28, 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
113 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 113 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: September 28, 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 ↗
Questions about this company list
What does Exact match mean for enterprise telephony providers?
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 enterprise telephony providers did RevenueBase find based in Sao Paulo, Brazil?
The saved snapshot records 113 matching company records, 1,547 tracked contacts and 201 verified emails. The public preview displays 17 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: September 28, 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
Enterprise telephony providers by geography
- Enterprise telephony providers based in Sydney, Australia
- Enterprise telephony providers based in Toronto, Canada
- Enterprise telephony providers based in Paris, France
- Enterprise telephony providers based in Singapore, Singapore
- Enterprise telephony providers based in Johannesburg, South Africa
- Enterprise telephony providers based in Madrid, Spain
- Enterprise telephony providers based in London, United Kingdom
- Enterprise telephony providers based in Dallas, United States
- Enterprise telephony providers based in Houston, United States
- Enterprise telephony providers based in New York, United States
- Enterprise telephony providers based in Australia
- Enterprise telephony providers based in Austria
Cite this list
RevenueBase Data Team. Top 17 enterprise telephony providers based in Sao Paulo, Brazil. Snapshot: September 28, 2026. https://revenuebase.ai/companies/enterprise-telephony-providers/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
- Enterprise telephony providers based in Sydney, Australia
- Enterprise telephony providers based in Toronto, Canada
- Enterprise telephony providers based in Paris, France
- Enterprise telephony providers based in Singapore, Singapore
- Enterprise telephony providers based in Johannesburg, South Africa
- Enterprise telephony providers based in Madrid, Spain
Company intelligence · public preview
Top 17 enterprise telephony providers based in Sao Paulo, Brazil
RevenueBase records 113 matching company records for enterprise telephony providers based in Sao Paulo, Brazil, with 1,547 tracked contacts and 201 verified work emails.
This public preview shows 17 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 28, 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 17 enterprise telephony providers 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 Union Telecomuniontelecom.com.br HQ: Sao Paulo, BrazilReported employees: 51-200 | Sao Paulo, Brazil | 51-200 | Exact match | 44 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 · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Fale Pacofalepaco.com.br HQ: Sao Paulo, BrazilReported employees: 51-200 | Sao Paulo, Brazil | 51-200 | Exact match | 30 contacts → |
“A Fale Paco entrega para seus clientes uma experiência única de qualidade, inovação e economia.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | ARC Telecomarctelecom.com.br HQ: Sao Paulo, BrazilReported employees: 11-50 | Sao Paulo, Brazil | 11-50 | Exact match | 20 contacts → |
“Há 28 anos ajudando empresas a melhorar suas comunicações Criamos a ARC Telecom em 1995 inicialmente com o foco de ofertar serviços e soluções customizadas em telecomunicações…” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Agotecagotec.com.br HQ: Sao Paulo, BrazilReported employees: 11-50 | Sao Paulo, Brazil | 11-50 | Exact match | 18 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 · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Voiicrvoiicr.com HQ: Sao Paulo, BrazilReported employees: 11-50 | Sao Paulo, Brazil | 11-50 | Exact match | 16 contacts → |
“Operadora de Telefonia Fixa | Agilidade | Escalabilidade | Flexibilidade Voiicr atua como um Hub de Interconexão de Voz escalável, oferecendo a maior cobertura para portabilidade…” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | 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 · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Global OSI Brasil Telecomunicacoes E Conectividadesositelecom.com.br HQ: Sao Paulo, BrazilReported employees: 1-10 | Sao Paulo, Brazil | 1-10 | Exact match | 15 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 8 | IKik.com.br HQ: Sao Paulo, BrazilReported employees: 201-500 | Sao Paulo, Brazil | 201-500 | Exact match | 12 contacts → |
“A IK Solution dispõe de diversas soluções inovadoras para seu negócio sair na frente.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Servstar Telecom E Networkservstartelecom.com.br HQ: Sao Paulo, BrazilReported employees: 1-10 | Sao Paulo, Brazil | 1-10 | Exact match | 6 contacts → |
“Somos especializados em soluções de comunicação para empresas.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Ligue Mais Telecomliguemaistelecom.com.br HQ: Sao Paulo, BrazilReported employees: 11-50 | Sao Paulo, Brazil | 11-50 | Exact match | 6 contacts → |
“Temos como objetivo prestar consultoria criando soluções customizadas para empresas de médio e pequeno porte na área telecomunicação através do PABX Cloud, visando minimizar…” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Voipconsultvoipconsult.com.br HQ: Sao Paulo, BrazilReported employees: 1-10 | Sao Paulo, Brazil | 1-10 | Exact match | 6 contacts → |
“A VoIPConsult é uma empresa integradora de soluções e tecnologias para voz e dados.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Across Comercio E Prestacao DE Servicos EM Telecomunicacoesacrosstelecom.com.br HQ: Sao Paulo, BrazilReported employees: 1-10 | Sao Paulo, Brazil | 1-10 | Exact match | 5 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 13 | Tech INN Teleinformatica Ltdatechinn.com.br HQ: Sao Paulo, BrazilReported employees: 11-50 | Sao Paulo, Brazil | 11-50 | Exact match | 4 contacts → |
“QUEM SOMOS A Tech Inn Teleinformática é uma integradora de soluções em telecomunicação que atua nos segmentos de telefonia, dados, rede de telefone / computador e Circuito fechado…” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Cosmos Comércio E Serviços DE Telecomunicações Ltdacosmostelecom.com.br HQ: Sao Paulo, BrazilReported employees: 1-10 | Sao Paulo, Brazil | 1-10 | Exact match | 4 contacts → |
“Tudo para que seus negócios possam expandir com qualidade na comunicação entre clientes, fornecedores, colaboradores e funcionários.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Hello Brazil Telecomunicacoeshellobrazil.com.br HQ: Sao Paulo, BrazilReported employees: 51-200 | Sao Paulo, Brazil | 51-200 | Exact match | 3 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 16 | D.Lextel Telecomunicaçõesdlextel.com.br HQ: Sao Paulo, BrazilReported employees: 1-10 | Sao Paulo, Brazil | 1-10 | Exact match | 2 contacts → |
“A D.lextel Telecomunicações é uma provedora de soluções de comunicação, especializada em projetos personalizados de PABX Virtual & Telefonia VOIP.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | LCR Comunicação Multimidialcrcm.com.br HQ: Sao Paulo, BrazilReported employees: 11-50 | Sao Paulo, Brazil | 11-50 | Exact match | 2 contacts → |
“A LCR Comunicação Multimídia é uma das principais operadoras VoIP do Brasil.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 17 of 113 company matches
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Enterprise telephony providers: dataset insights
September 28, 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
113 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 113 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: September 28, 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 ↗
Questions about this company list
What does Exact match mean for enterprise telephony providers?
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 enterprise telephony providers did RevenueBase find based in Sao Paulo, Brazil?
The saved snapshot records 113 matching company records, 1,547 tracked contacts and 201 verified emails. The public preview displays 17 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: September 28, 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
Enterprise telephony providers by geography
- Enterprise telephony providers based in Sydney, Australia
- Enterprise telephony providers based in Toronto, Canada
- Enterprise telephony providers based in Paris, France
- Enterprise telephony providers based in Singapore, Singapore
- Enterprise telephony providers based in Johannesburg, South Africa
- Enterprise telephony providers based in Madrid, Spain
- Enterprise telephony providers based in London, United Kingdom
- Enterprise telephony providers based in Dallas, United States
- Enterprise telephony providers based in Houston, United States
- Enterprise telephony providers based in New York, United States
- Enterprise telephony providers based in Australia
- Enterprise telephony providers based in Austria
Cite this list
RevenueBase Data Team. Top 17 enterprise telephony providers based in Sao Paulo, Brazil. Snapshot: September 28, 2026. https://revenuebase.ai/companies/enterprise-telephony-providers/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
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- Enterprise telephony providers based in Sydney, Australia
- Enterprise telephony providers based in Toronto, Canada
- Enterprise telephony providers based in Paris, France
- Enterprise telephony providers based in Singapore, Singapore
- Enterprise telephony providers based in Johannesburg, South Africa
- Enterprise telephony providers based in Madrid, Spain