| Company | Timeline | Status | |
| Sassmear Limited Director • Horticulturalist | 12 Apr 2001←22 Years→27 Mar 2024 | Dissolved | |
| Coblands Ltd Director • Horticulturalist | 2 Feb 1991←4 Years→4 Apr 1995 | Dissolved | |
| Coblands Landscapes Limited Director • Horticulturalist | 2 Feb 1991←31 Years→9 Dec 2022 | Active | |
