| Company | Timeline | Status | |
| Professional Practical Electrician Limited Director • Company Director  | 4 Aug 2022←3 Years→Current  | Active  | |
Marshall Sparks Limited Director • Director  | 13 Dec 2012←6 Years→5 Apr 2019  | Dissolved  | |
| Ecurie Royal Oak Motor Club Limited Director • Electrician  | 26 Apr 2004←12 Months→25 Apr 2005  | Active  | |
| Ecurie Royal Oak Motor Club Limited Director • Engineer  | 12 Nov 2001←2 Years→24 Nov 2003  | Active  | |
