You are the only one holding the shop together: the client work, the quote, the Urssaf, the unpaid invoice. Here are the calculations and the paperwork you are otherwise left to do by guesswork. Everything is free, with no account to create. Every figure is checked against the official source.
11,874 solopreneurs supported since 2018.
We'll tell you what's coming.
Camille, a consultant, found €1,059 more a year by switching her tax option. What about you?
Do you write for solopreneurs, on a blog, an accountancy firm's or an incubator's site? Every calculator can be embedded there for free, and stays up to date with nothing to do on your side.
The embed code is at the bottom of each tool, under “Embed this tool on your site”.
Connect Believemy to your assistant: it works out your net income, your rate, your status or your holding with our 2026 scales instead of answering from memory, and gives you the link to the full tool.
Add this address as a custom connector in the settings of ChatGPT, Claude or Gemini. No account, and nothing you ask is stored.
Embedding and AI assistants: see our terms of use for the tools.
