| Company | Timeline | Status | |
| Trenoweth Horticultural Centre Limited Director • Farmer | 1 Aug 1992←33 Years→11 Nov 2025 | Dissolved | |
| Mainland Marketing Limited Director • Farmer | 22 Oct 1991←34 Years→Current | Active | |
| Mainland Marketing Limited Director • Unreported | 1 Jan 1970←56 Years→Current | Active | |
