Login Area

Client login to Addison OneClick

Submit your documents and receipts simply and with no hassle digitally. We provide our clients with the service from Addison OneClick. Just log in, upload files and benefit from additional services such as fast reports.


Client login to ASP

The sooner we receive your current accounting data, the faster we can analyse the data and advise you in a sound manner. As a client with ASP access you can record your accounting entries quickly, easily and without hassle using this secure connection.


Employee login

Our employees can flexibly arrange their working hours – or even work from home. Anyone who wants to access our systems from a home office and check their emails can log in easily and conveniently.


Client magazine tatort:Steuern (crime scene:​taxes)

Read our client magazine tatort:Steuern also available in digital format! In addition to your print copy, we provide you with an online version for computers, tablets or smartphones.

Read our digital issue in the original layout. To do this, simply click on the respective tatort:Steuern display. This will allow you to read a sample of the current issue and the last three issues in full.