| Company | Timeline | Status | |
| Avit Motorsport Limited Director • Unreported | 18 Mar 2021←4 Years→Current | Active | |
| Sergison Holdings Limited Director • Unreported | 10 Jan 2019←6 Years→Current | Active | |
| Monoposto Racing Club Limited Director • Race Engineer | 14 Feb 2015←10 Years→Current | Active | |
| Jock Sergison Garage Limited Director • Director | 17 Aug 2010←11 Years→28 Jul 2022 | Active | |
