| Company | Timeline | Status | |
| Carlton Mansions Property Company Limited Director • Antique Dealer | 18 Jan 1992←34 Years→Current | Active | |
| Japanese Gallery Limited Director • Antique Dealer | 29 Aug 1991←34 Years→Current | Active | |
| Carlton Mansions Property Company Limited Director • Unreported | 1 Jan 1970←56 Years→Current | Active | |
