According to § 5 TMG:

Tech Open GmbH
Managing Director: Nikolas Woischnik (Twitter: https://twitter.com/techberlin)
Prenzlauer Allee 242
10405, Berlin

District Court of Charlottenburg (Berlin).

File number: HRB 147074 B

Contact

Email:  hi@toaberlin.com
Email: accounting@toaberlin.com

Sales tax identification number according to §27 a sales tax law:
DE288544419
Responsible for the content according to § 55 Abs. 2 RStV:

Nikolas Woischnik
Prenzlauer Allee 242
10405, Berlin

Complaints procedure via online dispute resolution for consumers (OS):  www.ec.europa.eu/consumers/odr . We are obliged to settle disputes with consumers before the following consumer arbitration board. Consumers can contact the following consumer
arbitration board: General consumer arbitration board of the Center for Arbitration e. V. Straßburger Str. 8, 77694 Kehl, https://www.verbraucher-schlichter.de/