| Company | Timeline | Status | |
| Sherburn Aero Club Limited Director • Director | 30 Dec 2020←5 Years→Current | Active | |
| Calder Electrical Services Ltd Director • Unreported | 27 Jan 2020←6 Years→Current | Active | |
| Calder Security Limited Director • Unreported | 20 Oct 2006←19 Years→Current | Active | |
