| Company | Timeline | Status | |
| Wlune Internat. Logistic Limited Director • Manager | 1 Mar 2025←9 Months→Current | Active | |
| Festcar Trading Limited Director • Manager | 12 Apr 2019←6 Years→Current | Active | |
| Kontrakonform-Verlag Ltd Director • Manager | 4 Apr 2019←6 Years→Current | Active | |
| S. RÜttgers Facility Management Limited Director • Manager | 1 Jan 2012←3 Years→20 Feb 2015 | Active | |
| Dr. A. Ahnert & Partner Limited Director • Manager | 1 Jan 2012←6 Months→1 Jul 2012 | Active | |
