| Company | Timeline | Status | |
| Screening Trees Limited Director • Unreported | 30 Oct 2015←9 Years→15 Apr 2025 | Dissolved | |
| Screening Trees Limited Secretary • Unreported | 18 Jul 2005←10 Years→29 Oct 2015 | Dissolved | |
| Ruskins Trees & Soil Biology Ltd Director • Unreported | 15 Oct 2003←22 Years→Current | Active | |
| Ruskins Trees & Soil Biology Ltd Secretary • Unreported | 15 Oct 2003←9 Years→8 May 2013 | Active | |
