| Company | Timeline | Status | |
| Sig Offsite Limited Director • Management Consultant | 25 Sep 1996←5 Months→28 Feb 1997 | Dissolved | |
| Ois Limited Director • Company Director | 27 Feb 1995←11 Months→8 Feb 1996 | Active | |
| Brompton Holdings Limited Director • Company Director | 27 Feb 1995←11 Months→8 Feb 1996 | Active | |
| 01175729 Limited Director • Company Director | 27 Feb 1995←11 Months→8 Feb 1996 | Dissolved | |
| Ois International Inspection Limited Director • Company Director | 18 Jan 1995←1 Year→8 Feb 1996 | Active | |
| Costain Oil, Gas & Process Limited Director • Civil Engineer | 1 Jul 1993←1 Year 4 Months→31 Oct 1994 | Active | |
| Costain Oil, Gas & Process (Overseas) Limited Director • Civil Engineer | 1 Jul 1993←1 Year 4 Months→31 Oct 1994 | Active | |
| Balfour Beatty Living Places Limited Director • Engineer | 21 Sep 1992←6 Months→31 Mar 1993 | Active | |
| Balfour Beatty Power Construction Limited Director • Engineer | 21 Sep 1992←7 Months→30 Apr 1993 | Liquidation | |
| Bical Construction Limited Director • Chartered Engineer | 4 May 1992←9 Months→12 Feb 1993 | Active | |
