| Company | Timeline | Status | |
| Haverfordwest Airport Limited Director • Farmer | 16 Feb 2024←1 Year 11 Months→Current | Active | |
| Poyston Group Aviation Ltd Director • Director | 10 Jul 2023←2 Years 7 Months→Current | Active | |
| Haverfordwest Flight Centre Limited Director • Unreported | 28 Jan 2011←15 Years→Current | Active | |
| West Farms Limited Director • Unreported | 19 Oct 2004←21 Years→Current | Active | |
| Haverfordwest Air Charter Services Limited Director • Farmer | 6 Oct 2004←21 Years→Current | Active | |
| Haverfordwest School Of Flying Limited Director • Unreported | 6 Oct 2004←21 Years→Current | Active | |
| Poyston Farm Limited Director • Unreported | 3 Apr 2003←22 Years→Current | Active | |
