| Company | Timeline | Status | |
| Derbyshire Agricultural And Horticultural Society Limited Director • Retired | 22 Jan 2025←9 Months→Current | Active | |
| Graham Markwell Associates Limited Director • Architect | 19 Mar 2003←22 Years→Current | Active | |
| Mascotta Properties Limited Director • Architect | 1 Jan 1970←55 Years→Current | Active | |
