| Company | Timeline | Status | |
| Maidwell Hall School Director • Company Director | 27 Nov 2019←5 Years→21 Dec 2024 | Dissolved | |
| Parrhouses Limited Director • Director | 10 Dec 2004←20 Years→Current | Active | |
| Trevor Parr Associates Limited Director • Company Director | 1 Jan 1998←27 Years→Current | Active | |
| 33/34 Nevern Square Limited Director • Manager | 10 Jun 1996←3 Years→13 Dec 1999 | Active | |
