| Company | Timeline | Status | |
| The Cornwall Garden Society Director • Estate Manager | 3 Jun 2024←1 Year 6 Months→Current | Active | |
| Trevince Retail Limited Director • Estate Manager | 7 Jun 2016←9 Years→Current | Active | |
| Cornwall Gardens Trust Director • Estate Manager | 9 Apr 2013←12 Years→1 Jul 2025 | Dissolved | |
| Trevince Energy Limited Director • Company Director | 29 Sep 2011←14 Years→Current | Active | |
| Trevince Estate Limited Director • Estate Manager | 7 Mar 2007←18 Years→Current | Active | |
