| Company | Timeline | Status | |
| Aspect Electronics Limited Director • Director | 12 Jan 2004←21 Years→Current | Active | |
Dialight Lumidrives Limited Director • Director | 10 Sep 2001←9 Months→1 Jul 2002 | Dissolved | |
| GSPK Design Limited Director • Technical | 2 Jan 2001←2 Years 3 Months→30 Apr 2003 | Active | |
