| Company | Timeline | Status | |
| Hillier Ecology Limited Director • Ecologist | 10 Jul 2017←8 Years→Current | Liquidation | |
| Hillier Ecology Limited Director • Ecology | 21 Mar 2011←3 Months→11 Jul 2011 | Liquidation | |
Hillier Ecological Associates Limited Director • Ecological Consultant | 19 Oct 2005←12 Years→10 Nov 2017 | Dissolved | |
