| Company | Timeline | Status | |
| Protheroes Service Centre Limited Director • Director | 17 Mar 2020←4 Years→14 Jan 2025 | Dissolved | |
| Protheroes Of Market Harborough Limited Director • Director | 17 Mar 2020←4 Years→7 Jan 2025 | Dissolved | |
| Protheroe Motor Group Limited (The) Director • Unreported | 3 Nov 2005←20 Years→Current | Active | |
| Marand Motors Limited Director • Unreported | 1 Jan 1970←55 Years→Current | Active | |
