| Company | Timeline | Status | |
| Summerfield Racing Limited Director • Director  | 23 Mar 2005←17 Years→19 Jul 2022  | Dissolved  | |
| MMD Summerfield Ltd Secretary • Unreported  | 2 Mar 1991←13 Years→30 Jun 2004  | Active  | |
| MMD Summerfield Ltd Director • Engineer  | 2 Mar 1991←13 Years→30 Jun 2004  | Active  | |
