| Company | Timeline | Status | |
| Waterhouse 1854 Limited Director • Unreported | 6 Dec 2012←12 Years→Current | Active | |
| The Pyramid Building Ltd Director • Unreported | 20 Jan 2004←21 Years→Current | Active | |
| Linfor Limited Director • Architect | 28 Jun 1999←22 Years→24 May 2022 | Dissolved | |
| Dransfield Owens Design Limited Director • Unreported | 26 Aug 1998←27 Years→Current | Active | |
| Dransfield Owens Design Limited Secretary • Architect | 26 Aug 1998←2 Months→23 Nov 1998 | Active | |
