| Company | Timeline | Status | |
| New World Philatelic Jobbers Limited Director • Director | 30 Dec 1991←19 Years→4 Jan 2011 | Active | |
| Marine Parade Management Limited Director • Financial Consultant | 22 Aug 1991←9 Years→31 Mar 2001 | Active | |
| New World Philatelic Jobbers Limited Director • Unreported | 1 Jan 1970←41 Years→4 Jan 2011 | Active | |
