| Company | Timeline | Status | |
| Buttercup Enterprises Limited Director • Director | 14 Jun 2010←15 Years→Current | Active | |
| Actech Holdings Limited Director • Director | 10 Oct 1995←1 Year 8 Months→13 Jun 1997 | Active | |
| Advanced Crystal Technology Limited Director • Director | 31 Dec 1990←6 Years→13 Jun 1997 | Active | |
