| Company | Timeline | Status | |
| Thomas Jemmeson Engineering Ltd Director • Engineer | 9 Apr 2024←4 Months→1 Sep 2024 | Active | |
| Controlworks Limited Director • Engineer | 31 Dec 1990←35 Years→Current | Active | |
| Controlworks Limited Director • Unreported | 1 Jan 1970←56 Years→Current | Active | |
