CNAE 8599-6/05 · Rio das Ostras (RJ)
Cursos preparatórios para concursos in Rio das Ostras (RJ)
30 active companies are headquartered in Rio das Ostras (RJ) with this CNAE as their main activity. They represent less than 0.1% 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 · Rio de Janeiro 3,247
What this list shows
We count each active company once, by its head office in the city 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 das Ostras (RJ)
- 30
- less than 0.1% of Brazil's
- Of every 100 companies in Rio das Ostras (RJ)
- 0.1
- do this activity
- Among Rio de Janeiro's cities
- 16th
- by companies in this activity
Active companies in Rio das Ostras (RJ)
More active establishments and higher registered capital first. This order is not a quality assessment or recommendation.- DA VINCI RIO DAS OSTRAS CENTRO EDUCACIONAL LTDARio das Ostras (RJ)
- DA VINCI CURSOS E TREINAMENTOS LTDARio das Ostras (RJ)
- CURSO MAIA VALIM LTDARio das Ostras (RJ)
- SISTEMA SOMATORIO DE ENSINO E TECNOLOGIAS LTDARio das Ostras (RJ)
- ROX CURSOS PROFISSIONALIZANTES LTDARio das Ostras (RJ)
- TOP PRE-VESTIBULAR LTDARio das Ostras (RJ)
- UNIDADE DE ENSINO MICHELE G B GOUDARD LTDARio das Ostras (RJ)
- ANTONY RAYDES DE FREITAS GALVAORio das Ostras (RJ)
- PEDRO HENRIQUE MARVILA FERREIRARio das Ostras (RJ)
- WALTER FERREIRA MENDES FILHORio das Ostras (RJ)
- KALINA KELLY DE SOUSARio das Ostras (RJ)
- LUCAS MARINS BAETARio das Ostras (RJ)
- JACKSON MASCARENHAS AFONSORio das Ostras (RJ)
- FERNANDO RODRIGO DOS ANJOS LUCASRio das Ostras (RJ)
- ALFEU ZACARONE BRASILRio das Ostras (RJ)
- DANILO LOPES RISCADO RITA FORTESRio das Ostras (RJ)
- EMILENE MOREIRA SANTOSRio das Ostras (RJ)
- LEON RAFAEL CASTRO ZAMBRANORio das Ostras (RJ)
- LILIA DA SILVA SANTOSRio das Ostras (RJ)
- LILIANE DE SOUZA FERREIRA CARMORio das Ostras (RJ)
- RAFAEL ANTONIO DE FREITAS JUNIORRio das Ostras (RJ)
- ROGERIO AUGUSTO AFFONSO DE OLIVEIRA MAIARio das Ostras (RJ)
- RAPHAEL DE BRITO PAIVARio das Ostras (RJ)
- ALEXANDRE PINTO RIBEIRORio das Ostras (RJ)
- SIDNEYA SILVARio das Ostras (RJ)
- MARIA EDUARDA DA SILVA SANTANARio das Ostras (RJ)
- JOAO PAULO DA SILVA MOURAORio das Ostras (RJ)
- JOANA MANSUR DE SOUZARio das Ostras (RJ)
- ANDREA CECILIA MARTINS DUTRARio das Ostras (RJ)
- TATIANA LATINI COELHORio das Ostras (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.
How much the activity weighs
of every 100 active companies, how many do this activity
- Rio das Ostras (RJ)0.1
- Rio de Janeiro0.1
- Brazil0.1
In Rio das Ostras (RJ), 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 das Ostras (RJ)
atividades de ensino não especificadas anteriormente, by subclass| Subclass | Active |
|---|---|
| 8599-6/01 Formação de condutores | 14 |
| 8599-6/02 Cursos de pilotagem | 1 |
| 8599-6/03 Treinamento em informática | 41 |
| 8599-6/04 Treinamento em desenvolvimento profissional e gerencial | 284 |
| 8599-6/05 Cursos preparatórios para concursos · this one | 30 |
| 8599-6/99 Outras atividades de ensino não especificadas anteriormente | 294 |
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 das Ostras (RJ)?
30 active companies have CNAE 8599-6/05 as their main activity in Rio das Ostras (RJ), 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 the city?
This scope counts active companies by their head office and registered main activity. A company may operate in the city 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 das Ostras (RJ).