| Company | Timeline | Status | |
| Lsi Projects Limited Director • Unreported | 28 Jul 1998←27 Years→Current | Active | |
| Lsi Projects Limited Secretary • General Manager | 28 Jul 1998←27 Years→Current | Active | |
| ADB Stage And Studio Lighting Limited Secretary • Unreported | 19 Feb 1991←34 Years→Current | Active | |
| ADB Stage And Studio Lighting Limited Director • Unreported | 19 Feb 1991←34 Years→Current | Active | |
