| Company | Timeline | Status | |
| Wincote Developments Limited Director • Director | 24 Nov 2015←9 Years→11 Feb 2025 | Dissolved | |
| P A Harper Associates Limited Director • Engineer | 20 Sep 2002←23 Years→Current | Active | |
| P A Harper Associates Limited Secretary • Unreported | 15 Nov 1995←30 Years→Current | Active | |
