Guides
Guides to Latin American company registries, in English.
How the official registers work, what their codes mean and how to load them, written from rebuilding them every month.
What is a CNPJ?
Brazil's 14-character company tax ID: how to read it, the alphanumeric CNPJ from July 2026, status codes, and who holds one.
Download and load the CNPJ database
Where the Receita's monthly files are now, what each of the 37 files holds, a DuckDB load and eleven pitfalls.
CNAE codes in English
All 1,359 CNAE subclasses translated, mapped to ISIC Rev.4 and counted on Brazil's active companies, plus a free CSV.
Look up a company, country by country
Brazil · CNPJ lookupMexico · RFC lookupChile · RUT lookupColombia · NIT lookupPeru · RUC lookupArgentina · CUIT lookupEcuador · RUC lookupParaguay · RUC lookupDominican Republic · RNC lookup
Comparisons
Method behind all of them: methodology.