The online tax return software is provided by study clever GmbH in Berlin and is hosted on modern and highly secured servers in Germany. The goal of study clever is to help users submit their tax forms with an easy and safe online application, as well as providing them with technical assistance that allows a fast and simple generation and electronic transfer of the tax declaration.

wundertax GmbH


Skalitzer Straße 33
10999 Berlin

Managing Director

David Czaniecki & Steffen Harting

Commercial Register

Amtsgericht Berlin (Charlottenburg), HRB 172114 B

Responsible for content (§ 55 (2) RStV)

David Czaniecki


Skalitzer Straße 33
10999 Berlin
E-Mail-Adresse: [email protected]

Important Information:

It is prohibited to receive tax consultancy service over the customer hotline. As a online tax software provider we are not authorised to provide answers to individual tax questions and have to limit ourselves to technical enquiries.