Practical guides for freelancers and small businesses — from sending your first invoice to staying compliant across borders.
How to register your business for AADE's myDATA REST API — the exact portal, menu path, and what you'll get at the end, so you can connect it to your invoicing software.
Read guide →Which register numbers, courts, and director names your company must print on every invoice — by country.
Read guide →Missing the e-invoicing format isn't just a compliance footnote — Germany and Greece both attach real fines to it, and Greece's are surprisingly aggressive.
Read guide →Your German tax advisor almost certainly uses DATEV. Here's what that means for how you should hand over your invoices.
Read guide →E-invoicing is coming across Europe — Germany already has a deadline, Austria and others are following. Here's what it means for your business and what you need to do.
Read guide →Both are valid German e-invoice formats, but they serve different clients. Here's how to tell which one you need — and which one you almost certainly don't.
Read guide →A practical comparison of invoicing tools that meet Austrian legal requirements — Kleinunternehmer under §6 UStG, UID-Nummer, and UVA preparation.
Read guide →A practical comparison of invoicing tools for Cypriot freelancers — VAT exemption below €15,600, 19% VAT, and what each tool handles automatically.
Read guide →A practical comparison of invoicing tools that meet German legal requirements — §14 UStG fields, Kleinunternehmer support, and DATEV export.
Read guide →Germany draws a legal line between liberal professions and commercial traders. Here is what each means, how to tell which you are, and what changes.
Read guide →What every invoice must include, how to number them correctly, and how to handle VAT — so you get paid without the back-and-forth.
Read guide →What to file with FinanzOnline, when you need a Gewerbeschein, and how the SVS social insurance registration actually works.
Read guide →The exact paperwork to file with the Finanzamt, what you need before you start invoicing, and how long each step actually takes.
Read guide →A step-by-step guide to incorporating a private limited company (LTD) in Cyprus — from name reservation to tax registration and your first invoice.
Read guide →A practical step-by-step guide to incorporating a GmbH or UG in Germany — from notary to bank account to tax registration.
Read guide →How to incorporate an IKE in Greece — from articles of association to GEMI registration and tax number. A step-by-step guide for Greece's modern LLC.
Read guide →Three documents, three different jobs. Here's what each one is for, when you issue it, and what it legally represents.
Read guide →Once your buyer is in a different country, VAT rules change significantly — and the B2B vs. B2C distinction finally matters.
Read guide →Within the same country, the VAT rate depends on what you're selling — not on whether your buyer is a business or a consumer.
Read guide →A practical guide to all German business identifiers: Steuernummer, USt-IdNr., the new W-IdNr., and which one belongs where.
Read guide →Different products carry different VAT rates. Austria's four-bracket system is the clearest example of why — and how Billino handles it for you.
Read guide →A plain-English guide to VAT: what it is, whether you need to charge it, and where to find your VAT number on existing documents.
Read guide →There are several legitimate situations where you issue invoices with no VAT at all. Here's when each one applies and what you need to document.
Read guide →When a client doesn't pay, there's a clear sequence that works: a payment reminder, then a formal demand, then escalation. Here's the process.
Read guide →NET 30, due on receipt, Skonto — what these terms mean, which is standard where, and how to write them so you actually get paid on time.
Read guide →A scannable payment code on your invoice isn't a legal requirement — but it's a widely supported standard that eliminates typos and speeds up how fast you get paid.
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