| Company | Timeline | Status | |
| Mott Macdonald Engineering Consultants Limited Director • Unreported | 1 Oct 1997←1 Year 1 Month→20 Nov 1998 | Active | |
| MRT Consulting Engineers Limited Director • Chartered Engineer | 17 Oct 1992←4 Years→1 Oct 1997 | Dissolved | |
| Mott Macdonald Holdco Limited Director • Chartered Engineer | 10 May 1992←6 Years→20 Nov 1998 | Active | |
| Mott Macdonald Group Limited Director • Chartered Engineer | 10 May 1992←6 Years→20 Nov 1998 | Active | |
| Mott Hay & Anderson International Limited Director • Chartered Engineer | 10 May 1992←5 Years→1 Oct 1997 | Active | |
| Mott Macdonald Limited Director • Chartered Engineer | 9 May 1992←6 Years→20 Nov 1998 | Active | |
| Sir M Macdonald & Partners Limited Director • Chartered Engineer | 30 Apr 1992←5 Years→1 Oct 1997 | Active | |
| Mott Macdonald International Limited Director • Chartered Engineer | 9 May 1991←7 Years→20 Nov 1998 | Active | |
