| Company | Timeline | Status | |
| Lab M Limited Director • Company Director | 18 Mar 1994←1 Month→3 May 1994 | Dissolved | |
| Struers Limited Director • Company Director | 9 Sep 1992←5 Years→30 Jan 1998 | Active | |
| Logitech Limited Director • Company Director | 9 Sep 1992←5 Years→30 Jan 1998 | Active | |
| Radiometer Limited Director • Company Director | 12 Mar 1992←11 Years→8 Mar 2004 | Active | |
| Trek Diagnostic Systems Limited Director • Company Director | 28 Sep 1991←3 Years→8 Feb 1995 | Active | |
Malthus Instruments Limited Director • Company Director | 28 Sep 1991←2 Years 7 Months→3 May 1994 | Dissolved | |
