Imprint
Last updated: July 2026
The German Impressum is authoritative for Swiss legal purposes.
Identity and contact details under Art. 3 para. 1 lit. s UWG (Swiss Unfair Competition Act).
Operator
Pillar5 GmbH
Limited liability company (GmbH)
Address:
4052 Basel
Basel-Stadt, Switzerland
Email: gian@pillar-5.com
Contact: email only (no phone)
Authorised representative: Gian Seyitcan Senpinar, member and Managing Director (sole signature)
Corporate purpose
Advisory services in strategy, corporate structure, real estate, and digital assets, and related activities; trade in goods (especially online trade), operation of online platforms, and acquisition, holding, financing, and sale of participations; as set out in the articles of association of Pillar5 GmbH.
Commercial register and UID
Commercial register: Commercial Register Office of the Canton of Basel-Stadt (CH-270-4010389-6)
UID: CHE-459.121.192
VAT number: not subject to VAT
Swiss commercial register entry: Pillar5 GmbH on zefix.ch · Cantonal excerpt (Basel-Stadt).
Further legal information
- Privacy Policy (personal data under nDSG)
- Legal Notice (liability, financial services, real estate, digital assets)
Copyright
© 2026 Pillar5 GmbH. Pillar5 logos and emblems are intellectual property of the Senpinar family. Reproduction only with written consent.