| Company | Timeline | Status | |
| The Diamond Trust Trading Company Limited Director • Unreported | 18 Mar 1997←28 Years→Current | Active | |
| The Diamond Trust Trading Company Limited Secretary • Unreported | 18 Mar 1997←3 Years→17 Aug 2000 | Active | |
| Hennell Of Bond Street Limited Director • Jeweller | 1 Nov 1992←10 Months→16 Sep 1993 | Active | |
| Farm Road Residents (Northwood) Limited Director • Jeweller | 31 Dec 1991←3 Years→31 Mar 1995 | Active | |
| Farm Road Residents (Northwood) Limited Secretary • Unreported | 31 Dec 1991←3 Years→28 Feb 1995 | Active | |
| The Gemmological Association Of Great Britain Director • Jeweller | 28 Sep 1991←13 Years→26 May 2005 | Active | |
| P.J. Watson Limited Director • Unreported | 1 Jan 1970←55 Years→Current | Active | |
