| Company | Timeline | Status | |
| The Gardens Trust Director • Solicitor | 24 Jul 2015←7 Years→8 Sep 2022 | Active | |
Sarah Dickinson Historic Landscapes Limited Director • Director | 17 Nov 2014←3 Years→25 Sep 2018 | Dissolved | |
| Spinney Lane Association Limited Director • Historic Landscape Consultant | 7 Mar 2014←2 Years 12 Months→4 Mar 2017 | Active | |
| Surrey Gardens Trust Director • Historic Landscape Consultant | 30 Nov 2013←11 Years→Current | Active | |
| The Historic Gardens Foundation Director • None | 14 Sep 2011←3 Years→31 Jul 2015 | Active | |
