CNAE 8640-2/10 · Brazil
Serviços de quimioterapia
410 active companies in the Brazilian CNPJ registry have this CNAE as their main activity. Look up companies and explore their distribution by state and city.
Source: Receita Federal, CNPJ Open Data · October 2026 publication
What this list shows
We count each active company in the Brazilian CNPJ registry once, by its head office and this CNAE as its main activity. Branches and secondary activities are excluded from this scope. The total describes the registry, not market revenue or company quality.
- Active companies
- 410
- 917th of 1,329 activities
- Opened in 12 months
- 24
- 952nd by openings
- Of every 100 companies in the country
- 0.0
- do this activity
- Openings per 100 active
- 6
- in the country: 21
Active companies in this activity
More active establishments and higher registered capital first. This order is not a quality assessment or recommendation.- ONCOLOGIA REDE D'OR S.A.Rio de Janeiro (RJ)
- ONCOLOGICA DO BRASILBelém (PA)
- COI CLINICAS ONCOLOGICAS INTEGRADAS SARio de Janeiro (RJ)
- HEMOMED INSTITUTO DE ONCOLOGIA E HEMATOLOGIASão Paulo (SP)
- CENTRO PAULISTA DE ONCOLOGIA S.A.São Paulo (SP)
- HEMOMED ONCOLOGIA E HEMATOLOGIA LTDASão Paulo (SP)
- ACREDITAR ONCOLOGIA S.ABrasília (DF)
- ALIANCA INSTITUTO DE ONCOLOGIA S.A.Brasília (DF)
- CENTRO MEDICO JAGUARUNA LTDA.Rio de Janeiro (RJ)
- ONCOLOG CLINICA DE TRATAMENTO E PESQUISA EM HEMATOLOGIA E ONCOLOGIA LTDACuiabá (MT)
- ONKO SOL ASSISTENCIA MEDICA ONCOLOGICA LTDACabo Frio (RJ)
- ONCOMED CLINICA ONCOLOGICA LTDANiterói (RJ)
How to assess a company's data
When you open a company's record, use these guides to check the data and understand what each field can establish.
- How to look up a CNPJ
Check identifiers, dates and registry fields against official sources.
- What an active CNPJ means
Active status does not show that a company is debt-free, licensed or able to operate.
- How to read partner and administrator records
Understand QSA roles and the limits on ownership and representation information.
Where the companies are
Weight in each federative unit: of every 100 active companies, how many have this main activity
- 0.0
- 0.0
- 0.0
- 0.0
- 0.0
Federative units with the most companies
- 1 São Paulo 89
- 2 Rio Grande do Sul 52
- 3 Minas Gerais 48
- 4 Rio de Janeiro 32
- 5 Paraná 26
- 6 Mato Grosso 22
- 7 Pernambuco 19
- 8 Bahia 15
- 9 Espírito Santo 13
- 10 Santa Catarina 12
Cities with the most companies
active companies by head office
- 1 São Paulo (SP) 32
- 2 Curitiba (PR) 19
- 3 Porto Alegre (RS) 14
- 4 Rio de Janeiro (RJ) 11
- 5 Cuiabá (MT) 11
- 6 Fortaleza (CE) 10
- 7 Recife (PE) 10
- 8 Salvador (BA) 9
- 9 Belém (PA) 7
- 10 Belo Horizonte (MG) 7
See the 30 cities
- 11 Brasília (DF) 7
- 12 Goiânia (GO) 6
- 13 Natal (RN) 5
- 14 João Pessoa (PB) 5
- 15 Muriaé (MG) 5
- 16 Niterói (RJ) 5
- 17 São Luís (MA) 4
- 18 Petrolina (PE) 4
- 19 Juiz de Fora (MG) 4
- 20 Serra (ES) 4
- 21 Campinas (SP) 4
- 22 Ribeirão Preto (SP) 4
- 23 Caxias do Sul (RS) 4
- 24 Porto Velho (RO) 3
- 25 Caruaru (PE) 3
- 26 Maceió (AL) 3
- 27 Aracaju (SE) 3
- 28 Uberlândia (MG) 3
- 29 Cachoeiro de Itapemirim (ES) 3
- 30 Petrópolis (RJ) 3
What activity 8640-2/10 is
- Section Q — Saúde humana e serviços sociais
- Division — Atividades de atenção à saúde humana
- Group — Atividades de serviços de complementação diagnóstica e terapêutica
- Class — Atividades de serviços de complementação diagnóstica e terapêutica
What it covers
- Os serviços que realizam quimioterapia, isto é, a administração de drogas citostásticas para o tratamento de pacientes com neoplasias, devidamente estruturados para tal finalidade
What it does not cover
- Os serviços que realizam radioterapia (8640-2/11)Classified under: 8640-2/11 Serviços de radioterapia
Typical activities
- Serviços de quimioterapia
The activities of class 8640-2
atividades de serviços de complementação diagnóstica e terapêutica, by subclassFrequently asked questions about CNAE 8640-2/10
How many CNAE 8640-2/10 companies are there in Brazil?
410 active companies have CNAE 8640-2/10 as their main activity, according to the Receita Federal's October 2026 publication. It is 917th among the country's activities by companies.
Which activities make up class 8640-2?
Class 8640-2 has 15 subclasses: 8640-2/01; 8640-2/02; 8640-2/03; 8640-2/04; 8640-2/05; 8640-2/06; 8640-2/07; 8640-2/08; 8640-2/09; 8640-2/10; 8640-2/11; 8640-2/12; 8640-2/13; 8640-2/14; 8640-2/99. The official names are in the subclass table. A company declares one main activity and may declare others as secondary activities.
Which federative unit has the most companies in this activity?
São Paulo, with 89. There, 0.0 of every 100 active companies have this main activity, against 0.0 in the national registry.
Does this total include branches and secondary activities?
No. Each active company is counted once, by its head office and registered main activity. A company may carry out this activity as a secondary activity and be excluded from the count. Geographic distribution uses the registered location; records without a recognized federative unit may be counted nationally without appearing in local groups.
Does active status mean a company is qualified for a contract?
No. Active status describes the Receita Federal registration. It does not establish tax compliance, creditworthiness, licences, ability to fulfil a contract or quality. Check the relevant official documents and the contract's requirements.
How we count
Active companies in the Brazilian CNPJ registry with this as their main activity, counted once by head office. Location is taken from the registry. Where available, openings are for the last 12 months, compared with the previous 12 months.