| Company | Timeline | Status | |
| London Historic Parks And Gardens Trust Director • Landscape Architect & Town Pln | 2 Jun 1994←9 Years→19 May 2004 | Active | |
| Hey Trading Limited Director • Town Planner | 8 Nov 1991←34 Years→Current | Active | |
| Hey Investments Limited Director • Town Planner | 8 Nov 1991←34 Years→Current | Active | |
