| Company | Timeline | Status | |
| JF Cambridge Ltd Director • Director | 3 Jul 2012←1 Year 7 Months→11 Feb 2014 | Dissolved | |
| Tony Chapman Electronics Limited Director • Director | 17 Jan 2007←13 Years→1 Jan 2021 | Active | |
| Electron House Limited Director • Electronic Component Sales | 7 Mar 2005←11 Years→7 Feb 2017 | Dissolved | |
| Electron House Limited Secretary • Unreported | 10 Aug 2004←10 Years→1 Nov 2014 | Dissolved | |
