| Company | Timeline | Status | |
| David Readman Architects Limited Director • Architect | 18 Sep 1998←27 Years→Current | Active | |
| Saxton Dupont Ltd Director • Architect | 26 Jan 1992←34 Years→Current | Active | |
| Saxton Construction Services Limited Director • Architect | 24 Dec 1991←34 Years→Current | Active | |
| Saxton Dupont Ltd Director • Unreported | 1 Jan 1970←56 Years→Current | Active | |
