CNAE 8599-6/05 · Rio de Janeiro
Cursos preparatórios para concursos in Rio de Janeiro
3,247 active companies are headquartered in Rio de Janeiro with this CNAE as their main activity. They represent 10.2% of Brazil's active companies with the same main activity.
Source: Receita Federal, CNPJ Open Data · October 2026 publication
The same activity in Brazil 31,965
What this list shows
We count each active company once, by its head office in this state 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.
- Companies in Rio de Janeiro
- 3,247
- 10.2% of Brazil's
- Of every 100 companies in Rio de Janeiro
- 0.1
- do this activity
- Among Brazil's federative units
- 2nd
- by companies in this activity
Active companies in Rio de Janeiro
More active establishments and higher registered capital first. This order is not a quality assessment or recommendation. · page 1 of 10- RMED CURSOS MEDICOS LTDARio de Janeiro (RJ)
- CURSO PREPARATORIO PROFESSOR ALCIDES AFFONSO LTDARio de Janeiro (RJ)
- COLEGIO E CURSO AVANCAR LTDADuque de Caxias (RJ)
- SISTEMA EDUCACIONAL RAIZ LTDARio de Janeiro (RJ)
- PBN CONCURSOS LTDARio de Janeiro (RJ)
- SISTEMA TD DE ENSINO LTDACabo Frio (RJ)
- MAISEAD CURSOS E TREINAMENTOS LTDAValença (RJ)
- CPCON - CURSOS LIVRES LTDARio de Janeiro (RJ)
- MDS CURSOS E CONCURSOS LTDARio de Janeiro (RJ)
- GRUPO DE ESTUDOS DE NITEROI LTDANiterói (RJ)
- STG MEDIO LTDARio de Janeiro (RJ)
- HRJ PRE VESTIBULAR MEDICINA LTDARio de Janeiro (RJ)
- GARRIDO EMPREENDIMENTOS EDUCACIONAIS LTDADuque de Caxias (RJ)
- CURSO ABRANTES LTDARio de Janeiro (RJ)
- MCI CURSOS PREPARATORIOS LTDARio de Janeiro (RJ)
- FOCUS CURSO PREPARATORIO LTDAVolta Redonda (RJ)
- PROJETO SUPERMEDICINA DE ENSINO, ESTUDOS, PESQUISAS E AULAS PARTICULARES LTDA.Rio de Janeiro (RJ)
- COLEGIO E CURSO METODO VIJ LTDARio de Janeiro (RJ)
- SOCIEDADE EDUCACIONAL ATIVIDADE LTDARio de Janeiro (RJ)
- REAL CURSOS PROFISSIONALIZANTES LTDARio de Janeiro (RJ)
- CURSO PREPARATORIO FALCON LTDARio de Janeiro (RJ)
- ITER OMNES - INSTITUTO SUPERIOR DE DEMOCRATIZACAO DE ENSINO LTDAMacaé (RJ)
- CURSO PRIMEIRA OPCAO LTDANova Iguaçu (RJ)
- VITORQUINTAN LTDASão Gonçalo (RJ)
- GEI - GRUPO DE ESTUDOS INTENSIVOS LTDAValença (RJ)
- CAAPRJ CENTRO DE APLICACAO E APRENDIZADO LTDARio de Janeiro (RJ)
- GRUPO EDUCACIONAL VJ LTDARio de Janeiro (RJ)
- P B CURSO PREPARATORIO LTDARio de Janeiro (RJ)
- METODO ELIAS DIEHL LTDARio de Janeiro (RJ)
- INSTITUICAO KML CONFEITARIA LTDARio de Janeiro (RJ)
List limited to 300 companies, 30 per page. Looking for a specific company? Search by name or CNPJ.
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.
How much the activity weighs
of every 100 active companies, how many do this activity
- Rio de Janeiro0.1
- Brazil0.1
In Rio de Janeiro, the activity weighs 1.2 times what it does in Brazil.
Rio de Janeiro's cities with the most companies in this activity
active companies and each city's share of the state
- 1 Rio de Janeiro 51.3% 1,666
- 2 Niterói 5.9% 191
- 3 São Gonçalo 4.0% 131
- 4 Nova Iguaçu 3.4% 109
- 5 Duque de Caxias 3.0% 97
- 6 Macaé 2.5% 81
- 7 Campos dos Goytacazes 2.3% 76
- 8 Cabo Frio 1.9% 62
- 9 Petrópolis 1.8% 58
- 10 Volta Redonda 1.6% 52
20 more cities
- 11 Maricá 49
- 12 São João de Meriti 49
- 13 Belford Roxo 40
- 14 Teresópolis 39
- 15 Nova Friburgo 37
- 16 Rio das Ostras 30
- 17 Itaboraí 28
- 18 Barra Mansa 27
- 19 Magé 26
- 20 Araruama 24
- 21 Nilópolis 24
- 22 Angra dos Reis 22
- 23 Três Rios 20
- 24 Itaperuna 16
- 25 Resende 16
- 26 São Pedro da Aldeia 15
- 27 Queimados 14
- 28 Mesquita 11
- 29 Saquarema 11
- 30 Valença 11
Class 8599-6 in Rio de Janeiro
atividades de ensino não especificadas anteriormente, by subclass| Subclass | Active |
|---|---|
| 8599-6/01 Formação de condutores | 1,233 |
| 8599-6/02 Cursos de pilotagem | 59 |
| 8599-6/03 Treinamento em informática | 4,766 |
| 8599-6/04 Treinamento em desenvolvimento profissional e gerencial | 25,985 |
| 8599-6/05 Cursos preparatórios para concursos · this one | 3,247 |
| 8599-6/99 Outras atividades de ensino não especificadas anteriormente | 39,368 |
What activity 8599-6/05 is
- As atividades dos cursos preparatórios para concursos em geral
Frequently asked questions
How many companies have main CNAE 8599-6/05 in Rio de Janeiro?
3,247 active companies have CNAE 8599-6/05 as their main activity in Rio de Janeiro, according to the Receita Federal's October 2026 publication. That is 0.1 of every 100 companies there, against 0.1 in Brazil.
Which of Rio de Janeiro's cities has the most companies in this activity?
Rio de Janeiro, with 1,666, 51.3% of the state's companies in this activity.
Why can this total differ from the companies operating in this state?
This scope counts active companies by their head office and registered main activity. A company may operate in this state through a branch or carry out the activity as a secondary activity and be excluded from the count. The registered address and CNAE do not establish every operating location or service.
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 with this as their main activity, counted by head office in Rio de Janeiro.