| Company | Timeline | Status | |
| Alltherm Engineering Limited Director • Heat Treatment Engineer | 24 May 2012←10 Years→25 Apr 2023 | Dissolved | |
| Thermal Engineering Services Ltd Director • Heat Treatment Engineer | 16 May 2003←1 Year 3 Months→3 Sep 2004 | Active | |
| Thermal Engineering Services Ltd Secretary • Heat Treatment Engineer | 16 May 2003←1 Year 3 Months→3 Sep 2004 | Active | |
| Blackprint Limited Director • Heat Treatment Engineer | 13 Sep 1991←32 Years→21 May 2024 | Active | |
| Blackprint Limited Secretary • Unreported | 13 Sep 1991←8 Years→15 Mar 2000 | Active | |
