Legal Notice
Mandatory information under § 5 TMG (German Telemedia Act)~ minenity ~
21 Strategy GmbH
Daumstraße 83a
13599 Berlin
Germany
Email: info@21strategy.de
Phone: +49 (30) 2000 43 496
Commercial register
Court of registration: Amtsgericht Charlottenburg (Berlin-Charlottenburg District Court)
Registration number: HRB 158158 B
VAT identification number
29/276/30442
Legal representatives
Michel Hartleben, Managing Director
Responsible for content under § 55 (2) RStV
Michel Hartleben
21 Strategy GmbH
Daumstraße 83a, 13599 Berlin, Germany
Online dispute resolution (EU)
The European Commission provides a platform for online dispute resolution (ODR), available at https://ec.europa.eu/consumers/odr. We are neither obliged nor willing to participate in dispute resolution proceedings before a consumer arbitration body.
Note on translation
This legal notice is provided in English for international clients. The legally binding original is the German Impressum. In case of doubt or conflict between the language versions, the German text prevails.
Effective date
This legal notice is valid as of 18 December 2025.