| Company | Timeline | Status | |
| Picadilly Consultancy Limited Secretary • Unreported | 16 Nov 2007←7 Months→23 Jun 2008 | Active | |
| Preferred Management Limited Secretary • Unreported | 3 Feb 2003←4 Years→26 Mar 2007 | Active | |
| Witton Chemical Co.Limited Secretary • Unreported | 21 Aug 1996←11 Years→30 Apr 2008 | Active | |
