| Company | Timeline | Status | |
| The Sir Henry Royce Memorial Foundation Director • Mechanic | 20 May 2020←1 Year 6 Months→15 Dec 2021 | Active | |
| Sir Henry Royce Limited Director • Mechanic | 20 May 2020←1 Year 6 Months→15 Dec 2021 | Active | |
| Lisburn Auto Salvage Limited Director • Garage Owner | 8 Jul 2010←15 Years→Current | Active | |
| James Black Restorations Limited Director • Garage Owner | 15 Mar 2010←15 Years→Current | Active | |
| The Belfast ARMS Company Limited Director • Garage Owner | 1 Apr 2005←20 Years→Current | Active | |
