| Company | Timeline | Status | |
Marktforschung Ltd Director • Coach | 19 Aug 2015←3 Years→22 Jan 2019 | Dissolved | |
| Derhoehenflug Ltd Director • Tour Operator Travel Agent Landlord | 19 Dec 2012←8 Years→22 Apr 2021 | Dissolved | |
| Climber Ltd Director • Unreported | 4 Jan 2011←14 Years→Current | Active | |
Holzarbeit Ltd Director • Travel Agent, Tour Operator, Landlord | 22 Nov 2010←7 Years→12 Dec 2017 | Dissolved | |
