| Company | Timeline | Status | |
| Home Farm (Dearham) Residents Company Limited Director • Chartered Architect | 30 Jan 2007←12 Years→4 Jul 2019 | Active | |
| Blacksmiths Barns Ltd Director • Architect | 21 Oct 2003←15 Years→4 Jul 2019 | Active | |
| Geoffrey Blumenthal Limited Director • Architect | 5 Jul 2001←18 Years→4 Jul 2019 | Dissolved | |
