Everything you need to know about CNPJ: how to open, look up, validate and more.
Learn what CNPJ is, what it is used for, how it is formed and how to look it up. Complete guide on the Brazilian company registration number.
Step by step guide to opening a CNPJ. Learn how to register your company and get your CNPJ from the Federal Revenue.
Learn how to issue the CNPJ Card (registration certificate) from the Federal Revenue. Step by step to download the document.
Learn everything about MEI CNPJ: how to open, look up, costs and obligations of the Individual Microentrepreneur in Brazil.
Learn what inactive CNPJ (inapto) means, consequences and how to regularize your company registration status.
Understand what the alphanumeric CNPJ is, when it will be implemented and what changes for Brazilian companies.
Learn how to cancel or close a CNPJ with the Federal Revenue. Step by step guide to shutting down a company.
Learn everything about Simples Nacional: what it is, who can opt in, revenue limits and how to check if a company is enrolled.
Find out how much it costs to open a CNPJ and the monthly costs to maintain your company. Updated values for 2026.
Understand the types of CNPJ registration status: active, suspended, inactive, closed and null. Learn what each status means.