| Company | Timeline | Status | |
| Tuffstrut Limited Director • Chairman | 24 Nov 2008←17 Years→Current | Active | |
| Marshall-Tufflex Windows Limited Director • Chairman | 24 Nov 2008←15 Years→16 Jul 2024 | Dissolved | |
| Newlite Windows Limited Director • Chairman | 24 Nov 2008←15 Years→16 Jul 2024 | Dissolved | |
| Tufflex Limited Director • Unreported | 21 Sep 2006←19 Years→Current | Active | |
| C. & C. Marshall Limited Director • Chairman | 1 Jun 2000←25 Years→Current | Active | |
| Marshall-Tufflex International Limited Director • Chairman | 1 Jun 2000←25 Years→Current | Active | |
| Marshall-Tufflex Limited Director • Chairman | 1 Jun 2000←25 Years→Current | Active | |
| Marshall-Tufflex Energy Management Limited Director • Chairman | 20 Jan 1998←27 Years→Current | Active | |
| Strata 21 Limited Director • Chairman | 20 Jan 1998←27 Years→Current | Active | |
| Marshall-Tufflex Windows Limited Secretary • Company Secretary | 1 Jun 1993←31 Years→16 Jul 2024 | Dissolved | |
