| Company | Timeline | Status | |
| Ja Simpson Properties Limited Director • Company Director | 15 Aug 2024←1 Year 2 Months→Current | Active | |
Car Spares Of West Drayton Limited Director • None | 6 Dec 2010←9 Years→24 Apr 2020 | Dissolved | |
| Simpson Environmental Services Limited Director • Administrator | 5 Oct 2005←20 Years→Current | Active | |
| Simpson Environmental Services Limited Secretary • Unreported | 30 Jul 2001←24 Years→Current | Active | |
