| Company | Timeline | Status | |
| Almondvalley Developments Limited Director • Training Manager | 8 Sep 2014←11 Years→Current | Active | |
| Doug Holden (Enterprises) Limited Director • Unreported | 8 Sep 2014←11 Years→Current | Active | |
| Holden Environmental Limited Director • Training Manager | 6 Sep 2013←8 Years→26 Jul 2022 | Dissolved | |
