| Company | Timeline | Status | |
| Grossfield Limited Director • Company Director | 8 Mar 1992←32 Years→7 Apr 2024 | Dissolved | |
| The Centre For Better Health Ltd Director • Economist | 6 Nov 1991←24 Years→4 Apr 2016 | Active | |
| Grossfield (Financial Services) Limited Director • Economist | 28 Dec 1990←33 Years→7 Apr 2024 | Dissolved | |
| Better Health Products Ltd Director • Economist | 16 Nov 1990←25 Years→4 Apr 2016 | Active | |
