| Company | Timeline | Status | |
| A Woods Holdings Limited Director • Unreported | 17 Dec 2025←1 Month→Current | Active | |
| Optoplus Ltd Director • Unreported | 13 Jan 2006←20 Years→Current | Active | |
| Luminanz Limited Director • Unreported | 14 Apr 2005←20 Days→4 May 2005 | Dissolved | |
| Plus Opto (Holdings) Limited Director • Unreported | 20 Oct 1999←26 Years→Current | Active | |
| Plus Opto Limited Director • Unreported | 22 Nov 1994←31 Years→Current | Active | |
