| Company | Timeline | Status | |
| Silverwell Energy Limited Director • Consultant | 27 Nov 2000←7 Years→31 Jul 2008 | Active | |
| Silverwell Technology Limited Director • Business Consultant | 27 Nov 2000←7 Years→31 Jul 2008 | Active | |
| G.W. International Limited Director • Consultant | 23 Jun 2000←22 Years→24 Jan 2023 | Dissolved | |
| The Friends Of Michaelhouse Limited Director • Business Consultant | 14 May 1997←16 Years→14 Jul 2013 | Active | |
