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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 start invoicing in Excel or Word. Makes sense, it's free. But what does it really cost you in time and risk, and when is in...

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.

Unique, sequential and logically structured: this is how you choose your invoice numbers. With the rules, examples of good numbers and the m...

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?