| Company | Timeline | Status | |
| Relate Berkshire Ltd Director • Retired | 27 Jan 1999←5 Months→30 Jun 1999 | Dissolved | |
| English China Clays Director • Mining Engineer | 1 Jul 1993←4 Years→30 Jun 1997 | Active | |
| Calgon Europe Limited Director • Mining Engineer | 30 Jun 1993←4 Years→30 Jun 1997 | Dissolved | |
| Valencia Waste Management Limited Director • Mining Engineer | 16 Jan 1993←20 Days→5 Feb 1993 | Active | |
| Restored Properties Limited Director • Mining Engineer | 16 Jan 1993←1 Year 2 Months→11 Apr 1994 | Active | |
Ecc Overseas Investments Director • Mining Engineer | 16 Jan 1993←4 Years→30 Jun 1997 | Dissolved | |
| Valencia Waste Management Limited Director • Unreported | 1 Jan 1970←23 Years→5 Feb 1993 | Active | |
