| Company | Timeline | Status | |
| Polytech Metals Limited Director • Director | 9 May 2002←6 Years→29 Aug 2008 | Active | |
| Polytech Food Systems Limited Director • Director | 29 Mar 1991←34 Years→Current | Active | |
| Clipper Tech Limited Director • Director | 2 Jul 1990←9 Months→5 Apr 1991 | Active | |
