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Home/Guide
Guide & Tips

Invoicing & Accounting Guide

Practical articles on e-invoicing, taxes, and financial management for freelancers and companies.

Topic:#FreelancerClear filter
How to Write an Invoice in Germany: A Beginner Guide
#Invoice8 min read

How to Write an Invoice in Germany: A Beginner Guide

Step-by-step guide for freelancers and the self-employed: how to start invoicing in Germany in 2026 - from tax registration to your first e-invoice.

Redaktion Solobuch

Sep 27, 2026

Invoicing as a Photographer: Usage Rights & E-Invoicing Mandate
#Photographer3 min read

Invoicing as a Photographer: Usage Rights & E-Invoicing Mandate

How to write legally compliant invoices as a photographer. Everything about usage rights (7% vs 19% VAT) and the new 2025 e-invoicing mandate.

Redaktion Solobuch

Aug 27, 2026

How to Write a Correct Invoice in Germany: Mandatory Fields
#Invoice6 min read

How to Write a Correct Invoice in Germany: Mandatory Fields

Which mandatory fields belong on a B2B invoice in Germany? Avoid mistakes, protect your VAT deduction, and get ready for e-invoicing in 2026.

Redaktion Solobuch

Jul 17, 2026