| Company | Timeline | Status | |
| SM (2012) Realisations Limited Director • Engineer | 28 Feb 1992←11 Years→5 Apr 2003 | Dissolved | |
| Quickstep Investments Limited Director • Engineer | 9 Nov 1991←11 Years→5 Apr 2003 | Active | |
| Quickstep Holdings Limited Director • Engineer | 9 Nov 1991←11 Years→5 Apr 2003 | Active | |
