| Company | Timeline | Status | |
| The M.S. Therapy Centre (Oxford) Ltd Director • Accountant | 14 May 1992←1 Year 5 Months→9 Nov 1993 | Active | |
| Oxford Instruments Industrial Products Limited Secretary • Unreported | 14 Aug 1991←4 Months→20 Dec 1991 | Active | |
| Oxford Instruments Nanotechnology Tools Limited Secretary • Unreported | 14 Aug 1991←4 Months→20 Dec 1991 | Active | |
Oxford Semicon Limited Secretary • Unreported | 14 Aug 1991←4 Months→20 Dec 1991 | Dissolved | |
Oxbridge Instruments Limited Secretary • Unreported | 16 Jul 1991←5 Months→20 Dec 1991 | Dissolved | |
