| Company | Timeline | Status | |
| Mainprojects Limited Director • Director | 30 Apr 1995←30 Years→Current | Active | |
| Trac Management Limited Director • Contracts Manager | 27 Oct 1993←1 Year→1 Nov 1994 | Active | |
| Trac Management Limited Secretary • Contracts Manager | 27 Oct 1993←1 Year→1 Nov 1994 | Active | |
| The Projects Company (UK) Limited Director • Director | 16 Nov 1991←33 Years→Current | Active | |
| The Projects Company (UK) Limited Secretary • Unreported | 16 Nov 1991←10 Years→25 Oct 2002 | Active | |
