| Company | Timeline | Status | |
| DKMY Consultant Limited Director • Civil & Structural Engineer | 24 Feb 1999←19 Years→19 Mar 2018 | Dissolved | |
| Thirty Seven Emanuel Avenue Limited Director • Civil Engineer | 28 Jul 1991←10 Years→1 Jun 2002 | Active | |
| Thirty Seven Emanuel Avenue Limited Director • Unreported | 1 Jan 1970←32 Years→1 Jun 2002 | Active | |
