| Company | Timeline | Status | |
| Tolent Plc Director • Chartered Engineer | 30 Jul 1999←4 Years→14 Sep 2003 | Dissolved | |
Amco Plant Limited Director • Mining Engineer | 2 Dec 1994←2 Years 9 Months→28 Aug 1997 | Dissolved | |
| Amco Rail Limited Director • Mining Engineer | 9 May 1994←3 Years→28 Aug 1997 | Dissolved | |
| Billington Holdings Plc Director • Chartered Engineer | 23 May 1992←11 Years→14 Sep 2003 | Active | |
| Amalgamated Construction Ltd Director • Chartered Engineer | 9 Jun 1991←8 Years→22 Dec 1999 | Active | |
| Amco Rail Engineering Limited Director • Chartered Engineer | 23 May 1991←12 Years→14 Sep 2003 | Dissolved | |
