Invoicing & accounting software | O2tax

o2tax - Hassle-free Accounting!

Create invoices & estimates and automate your accounting

Entspannt Rechnungen schreiben

Simply do your own accounting

With o2tax, you can digitally file your documents easily and clearly. Our accounting software automatically creates a revenue-surplus invoice for you. Even provisional VAT returns can be easily created directly in o2tax.

Professionelle Rechnungen schreiben

Create professional invoices

You can create invoices and estimates with the o2tax accounting program easily and intuitively. You can print out your invoice with just one click, send it via e-mail or directly forward it through an interface to the Post.

Many features waiting for you

  • Connect to your favorite apps
  • Online Banking
  • Receipt can be easily
  • Customer relationship management
  • Multipla user per account
  • Warehouse management
  • Automatic Evaluations

Over 65.000 Amazed Customers

With the registration, you accept our terms & conditions and our data protection declaration. term & conditions Data protection declaration .