Company lists · Data refreshed September 2026
Top 25 Cancer organizations based in Brazil
RevenueBase identified 230 cancer organizations headquartered in Brazil as of September 2026 and tracks 20,320 professional contacts across them, including 2,581 with verified work emails. Sao Paulo is the largest hub.
This list covers cancer organizations headquartered in Brazil, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 15, 2026.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, 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 25 largest cancer organizations based in Brazil
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 6,380 contacts → | ||||
Strong evidence “Você sabe a diferença entre um Cancer Center e um hospital geral?” Source: RevenueBase Database · checked Sep 15, 2026Thanks. The Data Team will review it. | |||||
| 2 | 2,911 contacts → | ||||
Indirect evidence “Na década de 1960, o único hospital especializado para tratamento de câncer estava na capital do estado de São Paulo e os pacientes que apareciam com a doença, no Hospital São…” Source: RevenueBase Database · checked Sep 15, 2026Thanks. The Data Team will review it. | |||||
| 3 | 1,049 contacts → | ||||
Indirect evidence “Nos anos de 1920 o câncer era tratado - tanto para médicos, quanto para a sociedade em geral – com tabu, mas o médico Erasto Gaertner via a doença com outros olhos.” Source: RevenueBase Database · checked Sep 15, 2026Thanks. The Data Team will review it. | |||||
| 4 | 686 contacts → | ||||
Indirect evidence “Fundada em 1.968, o IBCC Oncologia é conhecida por ser um Centro de Tratamento Oncológico de alta complexidade e possuir um Centro de Pesquisa Clínica com mais de 130 estudos…” Source: RevenueBase Database · checked Sep 15, 2026Thanks. The Data Team will review it. | |||||
| 5 | 680 contacts → | ||||
Indirect evidence “O Hospital de Câncer de Pernambuco iniciou suas atividades em 9 de novembro de 1945 já com o objetivo de ser uma instituição de saúde de direito privado, sem fins lucrativos e de…” Source: RevenueBase Database · checked Sep 15, 2026Thanks. The Data Team will review it. | |||||
| 6 | 621 contacts → | ||||
Indirect evidence “O Instituto Mário Penna é uma instituição filantrópica de saúde especializada em tratamentos contra o câncer.” Source: RevenueBase Database · checked Sep 15, 2026Thanks. The Data Team will review it. | |||||
| 7 | 613 contacts → | ||||
Indirect evidence “Com mais de 40 anos de história, o Hospital Santa Rita de Cássia é uma entidade filantrópica reconhecida em todo o Estado do Espírito Santo como referência em tratamento de…” Source: RevenueBase Database · checked Sep 15, 2026Thanks. The Data Team will review it. | |||||
| 8 | 457 contacts → | ||||
Indirect evidence “Desde 1995, a Fundação Cristiano Varella, criada por Lael Varella em memória de seu filho Cristiano, se destaca como um pilar no combate ao câncer.” Source: RevenueBase Database · checked Sep 15, 2026Thanks. The Data Team will review it. | |||||
| 9 | 307 contacts → | ||||
Indirect evidence “Instituição filantrópica privada, sem fins lucrativos e reconhecida como entidade beneficente de assistência social com a finalidade preponderante de prestação de serviços na área…” Source: RevenueBase Database · checked Sep 15, 2026Thanks. The Data Team will review it. | |||||
| 10 | 274 contacts → | ||||
Indirect evidence “O Centro de Pesquisa Oncológica (CEPON), unidade da Secretaria de Estado da Saúde (SES), é Serviço Público de referência no tratamento oncológico em Santa Catarina e Centro de…” Source: RevenueBase Database · checked Sep 15, 2026Thanks. The Data Team will review it. | |||||
| 11 | 207 contacts → | ||||
Indirect evidence Source: RevenueBase Database · checked Sep 15, 2026Thanks. The Data Team will review it. | |||||
| 12 | 173 contacts → | ||||
Indirect evidence Source: RevenueBase Database · checked Sep 15, 2026Thanks. The Data Team will review it. | |||||
| 13 | 144 contacts → | ||||
Indirect evidence “O Grupo Luta Pela Vida é uma organização sem fins lucrativos de Uberlândia – MG, fundada em 1996, que mobiliza a sociedade para garantir tratamento oncológico e suporte social…” Source: RevenueBase Database · checked Sep 15, 2026Thanks. The Data Team will review it. | |||||
| 14 | 140 contacts → | ||||
Indirect evidence “MISSÃO: Prestar atendimento humanizado e de excelência aos pacientes com câncer do Estado do Maranhão.” Source: RevenueBase Database · checked Sep 15, 2026Thanks. The Data Team will review it. | |||||
| 15 | 100 contacts → | ||||
Indirect evidence “A Abrale (Associação Brasileira de Câncer do Sangue) é uma organização sem fins lucrativos, de abrangência nacional, criada em 2002 por pacientes e familiares com a missão de…” Source: RevenueBase Database · checked Sep 15, 2026Thanks. The Data Team will review it. | |||||
| 16 | 91 contacts → | ||||
Indirect evidence “Quando estamos diante de um grande desafio, precisamos saber em quem confiar.” Source: RevenueBase Database · checked Sep 15, 2026Thanks. The Data Team will review it. | |||||
| 17 | 88 contacts → | ||||
Strong evidence “The Latin American Cooperative Oncology Group (LACOG) is a nonprofit organization dedicated to cancer research.” Source: RevenueBase Database · checked Sep 15, 2026Thanks. The Data Team will review it. | |||||
| 18 | 87 contacts → | ||||
Indirect evidence “Oncológica do Brasil: Tecnologia, Inovação e Humanização no Combate ao Câncer A Oncológica do Brasil é uma rede de excelência no diagnóstico e tratamento do câncer, com uma…” Source: RevenueBase Database · checked Sep 15, 2026Thanks. The Data Team will review it. | |||||
| 19 | 85 contacts → | ||||
Indirect evidence “A Fundação do Câncer é uma instituição privada e sem fins lucrativos que há mais de 35 anos atua na pesquisa, prevenção e controle da doença.” Source: RevenueBase Database · checked Sep 15, 2026Thanks. The Data Team will review it. | |||||
| 20 | 78 contacts → | ||||
Indirect evidence “Instituto do Radium de Campinas (Radium Instituto de Oncologia) é um centro de tratamento oncológico, localizado na Av.” Source: RevenueBase Database · checked Sep 15, 2026Thanks. The Data Team will review it. | |||||
| 21 | 74 contacts → | ||||
Indirect evidence “A Sociedade Brasileira de Oncologia Clínica (SBOC) é a entidade nacional que representa os médicos oncologistas clínicos.” Source: RevenueBase Database · checked Sep 15, 2026Thanks. The Data Team will review it. | |||||
| 22 | 64 contacts → | ||||
Indirect evidence “CEBROM foi inaugurado em abril de 1998 com o objetivo de oferecer um tratamento de alta qualidade técnica na área de Oncologia.” Source: RevenueBase Database · checked Sep 15, 2026Thanks. The Data Team will review it. | |||||
| 23 | 57 contacts → | ||||
Indirect evidence “Além de oferecer o mais moderno e adequado tratamento ao paciente com câncer, o ICB Medicina Especializada disponibiliza profissionais altamente capacitados, em diferentes…” Source: RevenueBase Database · checked Sep 15, 2026Thanks. The Data Team will review it. | |||||
| 24 | 42 contacts → | ||||
Indirect evidence “O Instituto Oncoguia, uma associação sem fins lucrativos tem como missão ajudar o paciente com câncer a viver melhor por meio de informação de qualidade e do empoderamento da…” Source: RevenueBase Database · checked Sep 15, 2026Thanks. The Data Team will review it. | |||||
| 25 | 40 contacts → | ||||
Indirect evidence “Nós somos a TUCCA, uma associação sem fins lucrativos, que há 28 anos se dedica 100% pela cura do câncer infantojuvenil, em parceria com o Santa Marcelina Saúde.” Source: RevenueBase Database · checked Sep 15, 2026Thanks. The Data Team will review it. | |||||
RevenueBase Smart Search
RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: cancer organizations. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.
- Strong evidence
- The company's own public description of its business names cancer organizations.
- Partial evidence
- Its own public description names part of cancer organizations, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name cancer organizations. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.
RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.
Showing 25 of 230 cancer organizations based in Brazil
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Cancer organizations based in Brazil at a glance
As of Sep 15, 2026Companies by employee count
Email recency for this list is measured worldwide rather than for Brazil, so it is reported there. Company counts and contact totals on this page are exact for Brazil, over 230 companies.
How this list was built
Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among cancer organizations, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.
- Source
- The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
- What qualifies
- Companies headquartered in Brazil whose own description of what they do matches “cancer organizations”. Matching reads each company's description, not its industry code or its name.
- RevenueBase Smart Search
- RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names cancer organizations), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
- What we exclude
- Companies whose own description does not clearly place them among cancer organizations, and records with no verified work email. Companies headquartered outside Brazil are excluded even when they keep an office there.
- Match quality
- In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
- 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 listed company carries at least one verified work email, 2,581 across the full list. 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 15, 2026. Lists refresh periodically as the graph is re-checked.
- Corrections
- Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.
Cancer organizations by metro
- Cancer organizations in Sao Paulo40
Frequently asked
What is RevenueBase Smart Search?
RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names cancer organizations, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.
How many cancer organizations are there based in Brazil?
RevenueBase identified 230 cancer organizations headquartered in Brazil as of September 2026, matched on each company's own description of what it does rather than its industry code.
What is the largest company on this list?
A.C.Camargo Cancer Center, headquartered in Sao Paulo, tops this list with the largest team on record.
Which city has the most cancer organizations?
Sao Paulo leads with 40 headquartered companies, followed by Rio De Janeiro (13) 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 2,581 verified decision-maker contacts tracked across these 230 companies.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 15, 2026.
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Browse the directory
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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 Smart Search, 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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