Guide Micro-Entreprise

Micro-enterprise guides 2026

Everything you need to know to create, manage and grow your micro-enterprise. Complete guides, practical tutorials and free simulators.

🚀
Essential25 min read

Create your micro-enterprise in 2026

Complete step-by-step guide: procedures, documents, INPI registration, tax choice, SIRET. Everything you need to know.

Learning paths

12 practical tutorials organized by theme. Follow the path that fits your situation.

🏗️
Creation Path
From one-stop shop registration to receiving SIRET and requesting ACRE.
1Register at the one-stop shop2Get your SIRET3Request ACRE
📋
Daily Management Path
Declare revenue, maintain revenue book and anticipate threshold overruns.
1Declare to URSSAF2Maintain revenue book3Handle threshold overrun
💶
Tax Path
Understand the 2042 declaration, flat-rate tax and optimize taxes.
12042-C-PRO declaration2Choose flat-rate tax
📄
Accounting & Invoicing Path
Issue compliant invoices and set up free accounting software.
1Create a compliant invoice2Set up Indy
📈
Business Development Path
Set your rates and find your first clients to launch your business.
1Set your rates2Find your first clients

Complementary tools

🧮 Revenue calculator📊 All simulators⚖️ Tool comparator🔍 APE code search

More tools to discover

💶

Flat-rate tax simulator

Compare flat-rate vs progressive tax

📊

URSSAF contributions simulator

Calculate contributions with/without ACRE

📈

VAT threshold simulator

Check your VAT status

🏠

CFE simulator

Estimate your CFE and exemptions

Frequently asked questions