| Company | Timeline | Status | |
| Medical Engineering Resource Unit Director • Charterd Secretary (retired) | 11 Oct 1992←2 Years 2 Months→1 Jan 1995 | Liquidation | |
| Purley Downs Company Limited Director • Unreported | 7 Apr 1992←11 Years→19 Nov 2003 | Active | |
| Medical Engineering Resource Unit Director • Unreported | 1 Jan 1970←25 Years→1 Jan 1995 | Liquidation | |
