The First Steps to Opening a Business and Becoming a MEI (Individual Microentrepreneur)

Do you have a business idea and want to start in a simple, legal, and safe way?
To become MEI (Individual Microentrepreneur) It is one of the fastest and most advantageous paths for those who wish to... working for yourself and begin building an entrepreneurial career in Brazil.
In this guide, you will learn What is MEI?, How to open your CNPJ (Brazilian company registration number) e What are the first steps to get started on the right foot?.

What is MEI?

The MEI was created for Formalize small entrepreneurs., allowing self-employed professionals to issue invoices, obtain a CNPJ (Brazilian tax ID), and access social security benefits.
It is ideal for those who works alone, without partners, and invoice up to R$ 81,000.00 per year (or approximately R$ 6,750.00 per month).

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Benefits of being a MEI (Individual Microentrepreneur)

  • Free and quick CNPJ opening process.
  • Issuing invoices
  • Social security coverage (INSS) — retirement, sick pay, maternity leave
  • Easier access to bank credit and financing lines.
  • Less bureaucracy and low monthly cost (DAS)

💬 On average, a MEI (Individual Microentrepreneur) pays between R$ 70 and R$ 90 per month, depending on the activity.

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How to open your MEI (Individual Microentrepreneur) step by step.

1️⃣ – Access the Entrepreneur Portal
👉 https://www.gov.br/mei

2️⃣ – Click on “I want to be a MEI” and then on “Formalize yourself”
Log in with your account. Gov.br (silver or gold level).

3️⃣ – Fill in your personal details and choose your main activity.
Use the CNAE (National Classification of Economic Activities) that best describes their performance.

4️⃣ – Enter the business address and complete the registration.
In the end, you will already have your Active CNPJ, automatic permit e MEI certificate.

Obligations of the MEI (Individual Microentrepreneur)

Even though it's simple, the MEI has some... important obligations:

  • Pay the DAS monthly. (National Simplified Tax Collection Document);
  • Declare annual revenue (DASN-SIMEI) until May 31;
  • Issue invoices whenever you sell to businesses;
  • Keep track of income and expenses..

Extra tip: keep your personal finances separate from your business finances.

A common mistake among beginners is mixing everything up.
Open a corporate bank account (free at digital banks) and maintain control of your cash flow from the start.

🧠 An owner's mindset starts with financial organization.

Opening a MEI (Individual Microentrepreneur) CNPJ (Brazilian tax ID) is... The first step to turning your idea into reality..
With just a few clicks, you can move beyond informality, gain security, and begin building a professional future with autonomy and purpose.

🌟 Remember: every great business started small — the important thing is to start.

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