| Company | Timeline | Status | |
| Ham Oyster Fishery Company Ltd Director • Unreported | 20 Aug 2002←23 Years→Current | Active | |
Seasalter Continuous Algal Production Systems Limited Director • Aquaculture Consultant | 27 Jun 2000←9 Years→5 Jan 2010 | Dissolved | |
| Copley,Marshall & Co.,Limited Director • Biologist | 10 May 1991←13 Years→3 Nov 2004 | Active | |
| Seasalter Shellfish (Whitstable) Ltd Director • Unreported | 1 Jan 1970←55 Years→Current | Active | |
