# CNPJCheck - Consulta de Empresas Brasileiras

> CNPJCheck is the largest public database of Brazilian companies, with information on 65+ million CNPJs from Receita Federal (Brazilian IRS). Search by CNPJ, partners, capital, CNAE codes, and registration status. All data is sourced from official Brazilian government records.

CNPJCheck provides comprehensive company information including:
- Company identification (CNPJ, legal name, trade name)
- Registration status (active, inactive, suspended)
- Address and contact information
- Partners/shareholders (socios) with CPF/CNPJ
- Capital social (share capital)
- CNAE codes (economic activity classification)
- Company size (ME, EPP, or large)
- Founding date and timeline of changes

## Main Pages

- [Search Companies](https://cnpjcheck.com.br/buscar): Search by company name, CNPJ, or partner name
- [CNAE Search](https://cnpjcheck.com.br/ferramentas/cnae): Search by economic activity (CNAE codes)
- [Partner Search](https://cnpjcheck.com.br/ferramentas/socios): Find companies by partner/shareholder name
- [Largest Companies Ranking](https://cnpjcheck.com.br/ranking/maiores-empresas): Top companies by capital

## API Documentation

- [API Docs](https://cnpjcheck.com.br/api/docs): REST API documentation for programmatic access

## Data Source

All company data is sourced from Receita Federal do Brasil (Brazilian IRS) public records. Data is updated regularly from official government databases.

## Sitemap

- [Sitemap Index](https://cnpjcheck.com.br/sitemap.xml): Full sitemap for all indexed pages

## Contact

- Website: https://cnpjcheck.com.br
- Company: Exato Digital Ltda