
For Belgian small companies · BTW · Peppol
Send a message, get real results. Ask what you owe, send a receipt as a photo, approve a bill — and it is booked. The full app is there when you want it, on the web, for any small Belgian company.
Works with your Odoo books
Works with the rails your books already run on

Whatever your company does, the work is the same. Accounticus makes each move a single tap.

Peppol invoices, WhatsApp uploads, and manual entries land in your inbox as drafts — already parsed.
Accounticus classifies each line to the right Belgian account and tax code, with a confidence score you can trust.
One tap posts the move in Odoo. No double entry, no spreadsheets, no end-of-quarter panic.
Your BTW declaration updates live. When the deadline lands, you already know the number.
Accounticus is for Belgian SMEs and one-person companies. Web for the office, WhatsApp on the road. Same books, same VAT, whatever you do.
Send your invoices by Peppol, snap the odd expense, and see your VAT build up as you go.
Uber and Bolt invoices arrive by Peppol. Fuel receipts go in by WhatsApp. The VAT split is done for you.
Supplier invoices land in your inbox. Daily takings and card slips take one photo.
Material receipts from the van, quotes that become invoices, and the right VAT rule on each job.
Project invoices go out, software subscriptions come in. Know what is left after VAT.
Send invoices, keep every receipt, and let the app watch the VAT deadlines for you.
Every approved document updates your declaration live. By the time the quarter ends, the number is already there — and it's the right number.

Peppol is the spine. WhatsApp and manual entry fill the gaps. Each source is colour-coded so you know what's trustworthy at a glance.
Invoices in, invoices out — UBL 380 & 389.
Snap a receipt on WhatsApp, it lands here.
Old-school entry, flagged for review.
Accounticus's answers are software-assisted information about your own books — never sold as tax advice. The accounting engine stays Odoo/OCA; the compliance logic stays pure-Python under the AGPL boundary. Your books remain yours.
Open the app, clear your inbox, and you'll know what you owe the BTW man before lunch.