MEI CNPJ is the Individual Microentrepreneur registration with the Federal Revenue. It is the simplest and cheapest way to formalize a small business in Brazil, with annual revenue up to R$ 81,000 and a maximum of 1 employee.
MEI can be opened for free and 100% online through the Gov.br portal. The process takes just a few minutes and the CNPJ is generated immediately after registration.
MEI pays a fixed monthly amount (DAS) that includes social security (INSS), state tax (ICMS) and/or municipal tax (ISS). Additionally, an annual declaration (DASN-SIMEI) must be filed every year by May 31.
Opening is free. The monthly cost ranges from R$ 71.60 to R$ 76.60 (2026 values), depending on the activity type (commerce, industry or services).
No. MEI is exempt from having an accountant, but can hire one if desired.
Yes. MEI can issue invoices and is required to do so when selling to other companies.