E-Invoice Software Comparison: Winner 2026
Which e-invoice software is right for you? Comparison of Lexware, SevDesk, DATEV, and free alternatives – with pros and cons.
Read more →E-Invoicing Basics
Knowledge & Background
Clear explanations about E-Invoicing, XRechnung, ZUGFeRD, and the requirements for small businesses.
E-Invoice for Small Businesses and the Self-Employed
Does the e-invoice mandate apply to small businesses too? Yes, the obligation is independent of small business status. What you need to know.
Read more →E-Invoices Abroad – EU and International Rules
Does the e-invoice mandate apply to cross-border invoices? What you need to know about EU countries, third countries, and international business.
Read more →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 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 →How to Create an E-Invoice – A Step-by-Step Guide
How do you create an e-invoice? We show you which tools you need, what free templates look like, and what to watch out for.
Read more →Informing Customers About E-Invoices – Templates & Tips
You need to inform your customers about the switch to e-invoices. Our sample letters and templates help you do it professionally and clearly.
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.