| Company | Timeline | Status | |
| Bridgend Custodial Services Limited Director • Company Director | 5 Oct 1995←2 Years 10 Months→31 Jul 1998 | Liquidation | |
| Costain Group Plc Director • Director | 27 Sep 1995←10 Months→31 Jul 1996 | Active | |
| Costain Engineering & Construction (Overseas) Limited Director • Director | 28 Feb 1993←1 Year 8 Months→1 Nov 1994 | Active | |
| Costain Engineering & Construction Limited Director • Director | 28 Feb 1993←5 Years→31 Jul 1998 | Active | |
| Costain Management Design Limited Director • Director | 28 Feb 1993←5 Years→31 Jul 1998 | Dissolved | |
| Costain Building & Civil Engineering Limited Director • Director | 28 Feb 1993←5 Years→31 Jul 1998 | Active | |
| Costain Construction Limited Director • Director | 28 Feb 1993←5 Years→31 Jul 1998 | Active | |
| Westminster Plant Co. Limited Director • Director | 28 Feb 1993←5 Years→31 Jul 1998 | Dissolved | |
