CNAE 8593-7/00 · Rio das Ostras (RJ)
Ensino de idiomas in Rio das Ostras (RJ)
53 active companies are headquartered in Rio das Ostras (RJ) with this CNAE as their main activity. They represent 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 35,460 · Rio de Janeiro 4,031
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)
- 53
- 0.1% of Brazil's
- Of every 100 companies in Rio das Ostras (RJ)
- 0.2
- do this activity
- Among Rio de Janeiro's cities
- 11th
- 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. · page 1 of 2- RIOS LANGUAGE SCHOOL LTDARio das Ostras (RJ)
- DEL - CENTRO DE ENSINO LTDARio das Ostras (RJ)
- SETTE E PERES ENSINO DE IDIOMAS LTDARio das Ostras (RJ)
- G S CURSO DE IDIOMAS LTDARio das Ostras (RJ)
- C.E.R. ENSINO DE IDIOMAS LTDARio das Ostras (RJ)
- SPEAKING CLUB COM A GRINGA LTDARio das Ostras (RJ)
- SPINDOLA IDIOMAS LTDARio das Ostras (RJ)
- WINWORDS ENGLISH SCHOOLRio das Ostras (RJ)
- SETTE E PERES ESCOLA DE IDIOMAS LTDARio das Ostras (RJ)
- LMJ CURSOS DE INGLES LTDARio das Ostras (RJ)
- CENTRO DE ENSINO RIO DAS OSTRAS LTDARio das Ostras (RJ)
- ROBERTA FONSECA ENSINO DE INGLES LTDARio das Ostras (RJ)
- SAYS RIO DAS OSTRAS CENTRO DE ENSINO LTDARio das Ostras (RJ)
- CENTRO DE ENSINO QUALIFICADO RIO DAS OSTRAS LTDARio das Ostras (RJ)
- WORK AND TALK LTDARio das Ostras (RJ)
- CAROLLINA DUTRA DE OLIVEIRARio das Ostras (RJ)
- MANUELLA BELLO DE CAMPOS RODRIGUES DE LACERDA GAMARio das Ostras (RJ)
- RENATA CRISTINA PAULINO DOS SANTOSRio das Ostras (RJ)
- LAURA WERLY DUTRARio das Ostras (RJ)
- CARMEN ELVIRA DE OLIVEIRARio das Ostras (RJ)
- MARCIA VAZ FIGUEIREDORio das Ostras (RJ)
- LUIZ ALBERTO CORREA GONZAGARio das Ostras (RJ)
- VITOR DIAS BATISTARio das Ostras (RJ)
- ANDREZA LIMA DA SILVARio das Ostras (RJ)
- MARIA LAURA FIGUEROARio das Ostras (RJ)
- JULLIA CAMILLA RODRIGUES RIBEIRORio das Ostras (RJ)
- BIANCA GENEROSO JERONIMORio das Ostras (RJ)
- TATIANA RIBEIRO GRIPPRio das Ostras (RJ)
- SHARON VAZ DE OLIVEIRARio das Ostras (RJ)
- KARLA ALICE MACEDO DE SOUZARio das Ostras (RJ)
List limited to 53 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 das Ostras (RJ)0.2
- Rio de Janeiro0.2
- Brazil0.1
In Rio das Ostras (RJ), the activity weighs 1.8 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 51.9% 2,094
- 2 Niterói 7.1% 285
- 3 Petrópolis 2.6% 106
- 4 Duque de Caxias 2.6% 105
- 5 Nova Iguaçu 2.6% 105
- 6 São Gonçalo 2.6% 104
- 7 Macaé 2.2% 88
- 8 Campos dos Goytacazes 1.9% 78
- 9 Volta Redonda 1.9% 76
- 10 Cabo Frio 1.6% 64
20 more cities
- 11 Rio das Ostras 53
- 12 Nova Friburgo 52
- 13 Resende 49
- 14 Maricá 47
- 15 São João de Meriti 45
- 16 Teresópolis 43
- 17 Itaguaí 37
- 18 Belford Roxo 36
- 19 Angra dos Reis 36
- 20 Araruama 29
- 21 Barra Mansa 29
- 22 Nilópolis 24
- 23 Itaboraí 22
- 24 Magé 22
- 25 Itaperuna 21
- 26 Queimados 20
- 27 São Pedro da Aldeia 19
- 28 Três Rios 19
- 29 Mesquita 18
- 30 Barra do Piraí 18
What activity 8593-7/00 is
- O ensino de idiomas em cursos especializados
- As atividades dos professores de idiomas independentes
Frequently asked questions
How many companies have main CNAE 8593-7/00 in Rio das Ostras (RJ)?
53 active companies have CNAE 8593-7/00 as their main activity in Rio das Ostras (RJ), according to the Receita Federal's October 2026 publication. That is 0.2 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 2,094, 51.9% 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).