| Company | Timeline | Status | |
| Cribba Sound Ltd Director • Mussel Farmer | 3 Aug 2022←3 Years→Current | Active | |
| Collafirth Shellfish Ltd Director • Mussel Farmer | 10 Jan 2019←6 Years→Current | Active | |
Si Seafarms (2) Limited Director • Mussel Farmer | 5 Jan 2017←1 Year→9 Jan 2018 | Dissolved | |
| Si Seafarms Limited Director • Mussel Farmer | 5 Jan 2017←8 Years→30 Aug 2025 | Dissolved | |
Blaaskjell Limited Director • Mussel Farmer | 5 Jan 2017←2 Years→22 Jan 2019 | Dissolved | |
| Seafield Mussels Limited Director • Mussel Farmer | 5 Apr 2015←10 Years→Current | Active | |
| Shetland Crab Ltd Director • Director | 12 Dec 2012←11 Years→17 Sep 2024 | Dissolved | |
| Blueshell Mussels Limited Director • Mussel Farmer | 1 Sep 2003←22 Years→Current | Active | |
