Impressum
Last updated: February 10, 2026
Company
Sumosmash UG (haftungsbeschränkt)
Operating as: HALVDAY (halvday.com)
Seydelstr. 12
10117 Berlin, Germany
Contact
Email: hello@halvday.com
Management
Managing Director: Christian Gruber
Commercial Register
Amtsgericht Berlin-Charlottenburg
Registration Number: HRB 159301 B
VAT Identification Number
DE321237036
Supervisory Authority
Berlin Chamber of Commerce and Industry
Professional Liability Insurance
Allianz Versicherungs-AG — Coverage: Germany and the EU
Dispute Resolution
The European Commission provides an online dispute resolution platform: ec.europa.eu/consumers/odr. We are not obligated to participate in consumer arbitration proceedings and do not do so voluntarily.
Liability for Content
As a service provider, we are responsible for our own content on these pages under general law. We are not obligated to monitor transmitted or stored third-party information or to investigate circumstances that indicate illegal activity. Obligations to remove or block the use of information under general law remain unaffected. Liability in this regard is only possible from the point in time at which a concrete infringement of the law becomes known. We will remove such content immediately upon becoming aware of any infringement.
Copyright
The content and works created by the site operators on these pages are subject to German copyright law. Downloads and copies of this site are only permitted for private, non-commercial use. Insofar as the content on this site was not created by the operator, the copyrights of third parties are respected.