| 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 | |
