| Company | Timeline | Status | |
| O'Brien Racing Solutions Limited Director • Consultant | 4 Mar 2021←4 Years→Current | Active | |
Ace Rally & Events UK Limited Director • Director | 15 Apr 2016←2 Years 1 Month→29 May 2018 | Dissolved | |
| O'Brien Renewable Solutions Limited Director • Consultant | 19 Feb 2014←11 Years→Current | Active | |
