In short Your company formation is ready on the Guichet unique, but the signature is blocking? Sign your summary document here in a few minutes.
Format expected by the Guichet unique, Advanced eIDAS signature
From €19.90 incl. VAT, One-time payment, no subscription
Don’t have your document yet? Here’s where to find it

Follow the steps, or read the guide that matches your situation.
The declarant named on the summary document: the future director, or the business owner for a sole proprietorship.
Upload your summary document here: it receives an advanced electronic signature (eIDAS). Then upload the signed document to your filing.
From €19.90 incl. VAT, as a one‑off payment. The exact price is shown before any payment.
No. An email address is all you need to receive the validation code and your signed document.
Updated on 12 October 2026
A few minutes. You upload your document, you sign, you receive the signed document by email. The INPI processing time does not depend on the signature. See in the Help
No. Choose “Type my name”: your signature is written in a clean handwritten font, with the same value. You can also draw it with your finger or mouse. See in the Help
Upload your signed document as is, without re-saving it. If the rejection persists, write to us with a screenshot. We look at your file 7 days a week. No signature within 24 hours: full refund on simple request. See in the Help
Upload your summary document, sign and receive your signed document by email. It’s simple, secure and built for the Guichet unique.