| Company | Timeline | Status | |
| Philip Cave Associates Ltd Director • Director | 26 Feb 2021←4 Years→Current | Active | |
| Ascerta (Landscape, Trees, Ecology) Ltd Director • Director | 12 Feb 2019←6 Years→Current | Active | |
| Ascerta Consulting Ltd Director • Director | 21 Mar 2011←2 Years 7 Months→18 Oct 2013 | Active | |
Pinnacle Tree & Landscape Solutions Limited Director • Director | 6 Apr 2009←6 Years→20 Feb 2016 | Dissolved | |
Pinnacle Tree & Landscape Solutions Limited Director • Director | 12 Feb 2007←1 Year→26 Feb 2008 | Dissolved | |
