Guide & Tips
Invoicing & Accounting Guide
Practical articles on e-invoicing, taxes, and financial management for freelancers and companies.

#Kleinunternehmer4 min read
Invoicing as a Kleinunternehmer in Germany (§ 19 UStG)
How to correctly issue invoices without VAT as a small business (Kleinunternehmer) in Germany. Includes mandatory requirements and the 2025 e-invoicing mandate.

#ZUGFeRD 2.34 min read
ZUGFeRD 2.3 & Factur-X Explained: The B2B Guide
Learn how ZUGFeRD 2.3 and Factur-X work. We explain profiles, B2B benefits in Germany, and how to prepare for the 2025 e-invoicing mandate.

#XRechnung7 min read
What is XRechnung? The Ultimate Guide for B2B
Learn everything about XRechnung: definitions, formats, the 2025 e-invoicing mandate in Germany, and how to create compliant B2B electronic invoices.
