| Company | Timeline | Status | |
| McLaren Past Personnel Association Director • Director  | 4 Nov 2024←1 Year→Current  | Active  | |
| Aether Vehicle Technologies Ltd Director • Mechanical Engineer  | 18 May 2023←2 Years 5 Months→Current  | Active  | |
| Chronos Creative Capital Ltd Director • Mechanical Engineer  | 17 May 2023←2 Years 5 Months→Current  | Active  | |
| 4four Associates Ltd Director • Mechanical Engineer  | 26 Apr 2022←3 Years→26 Aug 2025  | Dissolved  | |
B3 Technologies Limited Director • Engineer  | 21 May 2008←7 Years→2 Jun 2015  | Dissolved  | |
Matthew Jeffreys Consulting Limited Director • Mechanical Engineer  | 19 May 2006←14 Years→13 Oct 2020  | Dissolved  | |
