| Company | Timeline | Status | |
| Epsilon Engineering Limited Director • Chartered Surveyor | 12 Dec 1991←15 Years→23 Mar 2007 | Active | |
| Rope Walk Securities Limited Director • Chartered Surveyor | 31 Mar 1991←17 Years→31 Mar 2008 | Active | |
| Rope Walk Investments Limited Director • Chartered Surveyor | 31 Mar 1991←20 Years→22 Jul 2011 | Dissolved | |
