Say it. Factosyn invoices.
Type or dictate what you did: AI prepares the invoice or quote, you review it, it goes out via Peppol. Belgian VAT, payment QR and reminders are handled for you.
From creation to payment, without a second thought
Follow one invoice from start to finish: AI prepares it, Factosyn handles the rest.
- 1Create
You say it, it’s ready
Type or dictate one sentence, as you would to a colleague. AI finds the client and fills in the lines, VAT, legal mentions and structured communication. You review, you issue.
“Invoice Agence Lumen: October social media campaign, €1,250 excl. VAT”
✨ Invoice ready to review

- 2Send
It goes out via Peppol, in one click
The invoice lands straight in your client’s software. You see the exact moment it is delivered.

- 3Collect
It gets paid faster
The payment QR code and structured communication make the transfer easy. Your CODA bank statements match payments automatically.


- 4Declare
Your accountant already has everything
VAT grids are calculated, your photographed receipts and purchase invoices are read by AI, and everything reaches your accountant in a format ready to import into their software.


Everything Factosyn does for you
Artificial intelligence
Invoices and quotes in one sentence, dictation, purchases read by AI.
Discover →All features
Belgian VAT, payment QR, reminders, CODA banking, accounting exports.
Discover →Peppol, mandatory since 2026
Check whether your business is ready and understand Peppol in 5 pictures.
Discover →Pricing
Simple plans, with a 7-day free trial.
Discover →For accountants
A free console to follow all your clients.
Discover →Apps
Factosyn on Windows, iPhone and Android: invoice wherever you are.
Discover →Made for everyone who invoices in Belgium
Freelancers
Invoice from your phone, between two meetings, without knowing accounting.
Small businesses and teams
Several users, clear roles and shared numbering for the whole team.
Accountants and fiduciaries
Follow all your clients from one account: VAT, missing documents, bank. Factosyn connects with your accounting software: exports are tailored to your program, ready to be imported.
Save time starting today.
7 days of full trial, no credit card and no commitment.