| Company | Timeline | Status | |
| Aquamarsh Ltd Director • Unreported | 2 Dec 2020←5 Years→Current | Active | |
| Biomarsh Environmental Ltd Director • Transport Contractor | 31 Dec 1990←35 Years→Current | Active | |
| Hartsmil Limited Director • Transport Contractor | 31 Dec 1990←35 Years→Current | Active | |
Biomarsh Western Ltd Director • Transport Contractor | 31 Dec 1990←26 Years→15 Jun 2017 | Dissolved | |
| Biomarsh Environmental Ltd Director • Unreported | 1 Jan 1970←56 Years→Current | Active | |
