| Company | Timeline | Status | |
| Raphael Stern & Company Limited Director • Consultant | 28 Sep 1991←34 Years→Current | Active | |
| Exceptional Investments Limited Director • Consultant | 28 Sep 1991←34 Years→Current | Active | |
| Col-Reno Limited Director • Consultant | 3 Dec 1990←35 Years→Current | Active | |
