| Company | Timeline | Status | |
| Society Of Model Aeronautical Engineers Limited(The) Director • Engineer | 24 Nov 2007←14 Years→19 Nov 2022 | Active | |
| Ripmax Limited Director • Engineer | 1 Jun 2004←18 Years→12 May 2023 | In Administration | |
| Irvine Limited Director • Unreported | 1 Jan 1970←55 Years→Current | Active | |
