| Company | Timeline | Status | |
| Acer Maintenance Services Ltd Secretary • Administrator | 2 Sep 2004←1 Year→30 Sep 2005 | Dissolved | |
| AJS Property Development Limited Secretary • Adminstrator | 1 Aug 2000←9 Years→31 Jul 2009 | Active | |
| Solus Testing Limited Secretary • Unreported | 17 Sep 1999←1 Year→1 Oct 2000 | Active | |
| He Contracts Limited Secretary • Unreported | 9 Mar 1998←10 Years→2 Apr 2008 | Active | |
