| Company | Timeline | Status | |
| North Wales Gas Limited Director • Director  | 9 Oct 1995←8 Months→30 Jun 1996  | Dissolved  | |
| UK Onshore Geophysical Library Director • Engineer  | 5 May 1994←4 Years→8 Jun 1998  | Active  | |
SC017578 Limited Director • Engineer  | 19 Aug 1993←3 Months→10 Dec 1993  | Dissolved  | |
Enron Direct Limited Secretary • Unreported  | 4 Mar 1993←3 Years→30 Jun 1996  | Dissolved  | |
Enron Direct Limited Director • Chartered Engineer & Company Director  | 4 Mar 1993←3 Years→30 Jun 1996  | Dissolved  | |
| Ilsley Holdings Limited Director • Company Director  | 17 May 1991←9 Years→26 Mar 2001  | Active  | |
| Ilsley Holdings Limited Secretary • Company Director  | 17 May 1991←9 Years→26 Mar 2001  | Active  | |
