| Company | Timeline | Status | |
| C. & C. Marshall Limited Director • Chairman | 5 Dec 1991←9 Years→15 Nov 2001 | Active | |
| Marshall-Tufflex International Limited Director • Chairman | 5 Dec 1991←9 Years→15 Nov 2001 | Active | |
| Tufflex Limited Director • Chairman | 5 Dec 1991←9 Years→15 Nov 2001 | Active | |
| Marshall-Tufflex Limited Director • Chairman | 5 Dec 1991←9 Years→15 Nov 2001 | Active | |
| Marshall-Tufflex Windows Limited Director • Chairman | 7 Mar 1991←10 Years→15 Nov 2001 | Dissolved | |
| Newlite Windows Limited Director • Director | 6 Dec 1990←10 Years→15 Nov 2001 | Dissolved | |
