| Company | Timeline | Status | |
| Crown Windley Limited Director • Metrologist | 22 Mar 2002←23 Years→Current | Active | |
| Eley Metrology (Software) Limited Secretary • Engineer | 8 Jun 1998←4 Years→6 Oct 2002 | Active | |
| Eley Metrology (Software) Limited Director • Engineer | 27 May 1997←28 Years→Current | Active | |
| Eml Realisations Limited Secretary • Unreported | 1 Jul 1995←30 Years→Current | Liquidation | |
| Eml Realisations Limited Director • Engineer | 28 Feb 1992←33 Years→Current | Liquidation | |
