| Company | Timeline | Status | |
| Hawkpost Limited Director • Civil Servant | 23 Jan 2002←1 Year 9 Months→31 Oct 2003 | Active | |
| Bowey Group Limited Director • Civil Engineer | 15 Nov 1999←2 Years 4 Months→28 Mar 2002 | Dissolved | |
| Surgo Construction Limited Director • Civil Engineer | 5 Nov 1999←3 Years→31 Oct 2003 | In Administration | |
Hall & Partners (Contract Management) Limited Director • Company Director | 23 Jun 1997←1 Year 3 Months→30 Sep 1998 | Dissolved | |
| Laing Construction Limited Director • Unreported | 29 Jun 1995←9 Months→31 Mar 1996 | Active | |
Laing Management Limited Director • Civil Engineer | 31 May 1992←4 Years→4 Oct 1996 | Dissolved | |
| John Laing Construction Limited Director • Civil Engineer | 31 May 1992←3 Years→31 Mar 1996 | Active | |
Laing Management (Scotland) Limited Director • Civil Engineer | 31 May 1989←6 Years→31 Mar 1996 | Dissolved | |
