| Company | Timeline | Status | |
Highbell Limited Director • Company Director | 28 Jan 2005←12 Years→23 May 2017 | Dissolved | |
| Duncan-Lynch Precision Tools Limited Director • Toolmaker | 12 Sep 1992←33 Years→Current | Active | |
| Duncan-Lynch Precision Tools Limited Director • Unreported | 1 Jan 1970←56 Years→Current | Active | |
