CNAE 8630-5/04 · Brazil
Atividade odontológica
128,128 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
- 128,128
- 47th of 1,329 activities
- Opened in 12 months
- 21,786
- +11.6% · 49th by openings
- Of every 100 companies in the country
- 0.5
- do this activity
- Openings per 100 active
- 17
- 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.- CLIDEC - CLINICA DENTARIA ESPECIALIZADA CURA D'ARS LTDA.Barueri (SP)
- CLINIPREV ODONTOLOGIA LTDACuiabá (MT)
- INSTITUTO RAVEL DE ENSINO SUPERIOR LTDAMaringá (PR)
- CENTRO ODONTOLOGICO VAMOS SORRIR SUMARE LTDASumaré (SP)
- ALBUS DENTE SERVICOS ODONTOLOGICOS E MEDICOS LTDASão Paulo (SP)
- CLINICA ODONTOLOGICA SORRISO LINDO LTDAFeira de Santana (BA)
- CENTRO ODONTOLOGICO DO POVO DE SAO JOSE DOS CAMPOS II LTDASão José dos Campos (SP)
- PAIVA E MORENO SERVICOS EM ODONTOLOGIA LTDARibeirão Preto (SP)
- INSTITUTO ELEVA DE ENSINO LTDASanta Maria (RS)
- FUNDACAO SORRIAOuro Preto (MG)
- ORTO SYSTEM SERVICOS ODONTOLOGICOS LTDAFortaleza (CE)
- DC ODONTOLOGIA LTDASão José do Rio Preto (SP)
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
- 0.4 – 0.5
- 0.5
- 0.5
- 0.6 – 0.7
- 0.7 – 0.8
Federative units with the most companies
- 1 São Paulo 33,316
- 2 Minas Gerais 15,439
- 3 Paraná 10,084
- 4 Rio de Janeiro 8,250
- 5 Rio Grande do Sul 7,449
- 6 Bahia 7,443
- 7 Santa Catarina 6,632
- 8 Goiás 4,987
- 9 Distrito Federal 3,782
- 10 Ceará 3,689
See the 27 federative units
- 11 Pernambuco 3,396
- 12 Mato Grosso 3,034
- 13 Espírito Santo 2,844
- 14 Maranhão 2,497
- 15 Pará 2,431
- 16 Paraíba 1,755
- 17 Mato Grosso do Sul 1,650
- 18 Piauí 1,559
- 19 Amazonas 1,462
- 20 Rio Grande do Norte 1,418
- 21 Rondônia 1,178
- 22 Sergipe 962
- 23 Tocantins 928
- 24 Alagoas 911
- 25 Amapá 380
- 26 Acre 323
- 27 Roraima 323
Cities with the most companies
active companies by head office
- 1 São Paulo (SP) 11,706
- 2 Rio de Janeiro (RJ) 4,050
- 3 Brasília (DF) 3,782
- 4 Belo Horizonte (MG) 3,138
- 5 Curitiba (PR) 2,625
- 6 Fortaleza (CE) 1,859
- 7 Salvador (BA) 1,847
- 8 Goiânia (GO) 1,633
- 9 Porto Alegre (RS) 1,433
- 10 Manaus (AM) 1,200
See the 30 cities
- 11 Recife (PE) 1,015
- 12 Guarulhos (SP) 990
- 13 São Luís (MA) 958
- 14 Campinas (SP) 951
- 15 Florianópolis (SC) 844
- 16 Ribeirão Preto (SP) 772
- 17 Cuiabá (MT) 749
- 18 João Pessoa (PB) 737
- 19 Teresina (PI) 724
- 20 Uberlândia (MG) 719
- 21 Campo Grande (MS) 672
- 22 Belém (PA) 655
- 23 Santo André (SP) 650
- 24 Maringá (PR) 650
- 25 Natal (RN) 646
- 26 Vitória (ES) 635
- 27 São Bernardo do Campo (SP) 603
- 28 Londrina (PR) 589
- 29 Osasco (SP) 578
- 30 Sorocaba (SP) 552
What activity 8630-5/04 is
- Section Q — Saúde humana e serviços sociais
- Division — Atividades de atenção à saúde humana
- Group — Atividades de atenção ambulatorial executadas por médicos e odontólogos
- Class — Atividades de atenção ambulatorial executadas por médicos e odontólogos
What it covers
- As atividades de consultas e tratamento odontológico, de qualquer tipo, prestadas a pacientes em clínicas e consultórios odontológicos, em hospitais, em clínicas de empresas, bem como, no domicílio do paciente
- As atividades de unidades móveis terrestres equipadas de consultório odontológico
- As atividades de unidades móveis fluviais equipadas de consultório odontológico
What it does not cover
- Os laboratórios de prótese dentária (3250-7/06)Classified under: 3250-7/06 Serviços de prótese dentária
Typical activities
- Ambulatório odontológico
- Atividades de dentistas
- Atividades de odontologia
- Consultório dentário
- Consultório odontológico
- Pronto socorro odontológico
- Pública ou particular clínica odontológica
- Unidades móveis terrestres para consulta odontológica
The activities of class 8630-5
atividades de atenção ambulatorial executadas por médicos e odontólogos, by subclass| Subclass | Active | Openings | Change |
|---|---|---|---|
| 8630-5/01 Atividade médica ambulatorial com recursos para realização de procedimentos cirúrgicos | 30,529 | 3,271 | +7.6% |
| 8630-5/02 Atividade médica ambulatorial com recursos para realização de exames complementares | 36,208 | 2,988 | −36.7% |
| 8630-5/03 Atividade médica ambulatorial restrita a consultas | 219,880 | 34,091 | +7.3% |
| 8630-5/04 Atividade odontológica · this one | 128,128 | 21,786 | +11.6% |
| 8630-5/06 Serviços de vacinação e imunização humana | 1,416 | 143 | −2.1% |
| 8630-5/07 Atividades de reprodução humana assistida | 283 | 22 | −33.3% |
| 8630-5/99 Atividades de atenção ambulatorial não especificadas anteriormente | 46,899 | 13,160 | +11.8% |
Frequently asked questions about CNAE 8630-5/04
How many CNAE 8630-5/04 companies are there in Brazil?
128,128 active companies have CNAE 8630-5/04 as their main activity, according to the Receita Federal's October 2026 publication. It is 47th among the country's activities by companies.
Which activities make up class 8630-5?
Class 8630-5 has 7 subclasses: 8630-5/01; 8630-5/02; 8630-5/03; 8630-5/04; 8630-5/06; 8630-5/07; 8630-5/99. 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 33,316. There, 0.4 of every 100 active companies have this main activity, against 0.5 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.