| Company | Timeline | Status | |
| Colston Homes Limited Director • Chartered Accountant | 5 Mar 1997←14 Years→14 Feb 2012 | Active | |
| Aquamaster (Propulsion) Limited Director • Chartered Accountant | 1 Feb 1994←3 Years→11 Aug 1997 | Dissolved | |
| Marine Systems (UK) Limited Secretary • Unreported | 12 Jul 1993←18 Years→14 Feb 2012 | Active | |
| Aquamaster (Propulsion) Limited Secretary • Unreported | 18 May 1991←2 Years 8 Months→1 Feb 1994 | Dissolved | |
Form Land Support Limited Director • Chartered Accountant | 31 Mar 1991←2 Years 2 Months→25 Jun 1993 | Dissolved | |
| Kort Propulsion Company Limited Director • Chartered Accountant | 12 Jan 1991←11 Years→31 Mar 2002 | Active | |
