| Company | Timeline | Status | |
| Schwarzmilan Limited Director • Director | 4 Apr 2013←12 Years→Current | Active | |
| Deutsche Property Limited Director • Director | 24 Jul 2007←18 Years→Current | Active | |
| Berlin Ventures Limited Director • Director | 24 Jul 2006←19 Years→Current | Active | |
| Black Communications Limited Director • Company Director | 31 Aug 1999←26 Years→Current | Active | |
