| Company | Timeline | Status | |
| Tradpin Construction Limited Director • Director | 21 Aug 1991←9 Years→14 Nov 2000 | Active | |
| Washington Road Management Limited Director • Director | 1 Jan 1970←34 Years→9 Feb 2004 | Active | |
| Washington Road Management Limited Secretary • Unreported | 1 Jan 1970←31 Years→2 Mar 2001 | Active | |
