| Company | Timeline | Status | |
| Holmwood House Management Limited Director • Director | 5 Nov 1996←9 Years→30 Aug 2006 | Active | |
| White & Street(Engineering)Limited Director • Engineer | 27 Jul 1992←17 Years→17 Jan 2010 | Dissolved | |
| White & Street International Limited Director • Engineer | 21 Jul 1992←17 Years→17 Jan 2010 | Active | |
