| Company | Timeline | Status | |
Idiner Limited Director • None | 14 Feb 2011←7 Years→17 Jul 2018 | Dissolved | |
| Projektentwicklung UND -Management STNU Limited Director • Director | 7 Dec 2006←18 Years→Current | Active | |
| Projektentwicklung UND -Management STNU Limited Director • Director | 7 Dec 2006←18 Years→20 May 2025 | Active | |
| Engelmann Consulting Limited Director • Unreported | 23 Jan 2006←19 Years→Current | Active | |
