| Company | Timeline | Status | |
| Philatelic Traders Society Limited(The) Director • Stamp Dealer | 30 Nov 1998←12 Years→7 Sep 2011 | Active | |
| Ross-Shiells Limited Director • Stamp Dealer | 20 Feb 1991←34 Years→Current | Active | |
| Ross-Shiells Limited Secretary • Unreported | 20 Feb 1991←34 Years→Current | Active | |
