| Company | Timeline | Status | |
| Denholm Holdings Limited Director • Unreported | 12 Nov 2021←4 Years→Current | Active | |
| C.E. Edwards (Engineers) Limited Director • Production Director | 21 Jan 2013←9 Years→9 May 2022 | Dissolved | |
| Denholm Rees & O'Donnell Limited Director • Unreported | 1 Jan 2002←23 Years→Current | Active | |
