| Company | Timeline | Status | |
| GM Automotive Engineering Ltd Director • Director  | 29 Sep 2023←2 Years 1 Month→Current  | Active  | |
| Gelscoe Motorsport Limited Director • Motor Engineer  | 29 May 2003←22 Years→Current  | Liquidation  | |
| Gelscoe Motorsport Limited Secretary • Unreported  | 29 May 2003←22 Years→Current  | Liquidation  | |
| Tony Thompson Racing Limited Director • Engineer  | 7 Mar 2003←6 Months→23 Sep 2003  | Active  | |
| Tony Thompson Racing Limited Secretary • Unreported  | 7 Mar 2003←6 Months→23 Sep 2003  | Active  | |
