Blog

Blog — Tips and guides on invoicing, VAT and freelancing

Practical guides for freelancers and SMEs on invoicing, VAT, KOR, PEPPOL and bookkeeping.

Verifactu requires invoicing software in Spain to record every invoice immutably and report it to the tax authority. Final deadlines: 1 Janu...

Many freelancers starting out use Excel or Word for invoices. Makes sense — it's free. But are you factoring in the time and risks too?

Most freelancers hate accounting because they tackle it once a quarter in one long session. A short monthly routine of 30 minutes keeps ever...

A customer who doesn't pay wreaks havoc on your cash flow. A professional reminder sequence solves 80% of cases — before you need to call a...

You've sent an invoice that's no longer correct. Can you adjust it? Or do you need a credit note? The difference — and the legal rules.

Sequential, unique and without gaps — the rules for invoice numbering sound simple, but in practice things often go wrong.

Selling services or goods to a business in another EU country? Then you often invoice without VAT, provided you do it correctly.

Tax authorities require 7 years of retention (10 years for real estate). Can that be digital? And what if you have a shoebox full of paper?

From 2030 onwards, e-invoicing via PEPPOL will be mandatory within the EU. What exactly is PEPPOL, and how do you prepare?