E-Invoicing for Freelancers
Many freelancers only send a handful of invoices each month. Even so, the mandatory e-invoicing rules can apply — especially if you work with companies or public-sector clients.
Read more →E-Invoicing Basics
Knowledge & Background
Clear explanations about E-Invoicing, XRechnung, ZUGFeRD, and the requirements for small businesses.
E-Invoicing for Public Authorities
When invoicing public-sector clients, stricter requirements often apply. An XRechnung is frequently expected.
Read more →E-Invoicing for Tradespeople (Handwerker)
Many trades businesses still use industry-specific software, Word, Excel, or plain PDF to create invoices. That works day-to-day — but can become a problem under mandatory e-invoicing rules.
Read more →FAQ
A standard PDF is generally not a genuine e-invoice. An e-invoice must contain structured data that can be processed automatically by software.
Read more →Mandatory E-Invoicing Explained Simply
Mandatory e-invoicing means that invoices between businesses must increasingly be created, received, and processed in a machine-readable format.
Read more →Notice
These contents do not constitute legal advice. Please assess your individual situation on a case-by-case basis or consult a qualified professional.