| Company | Timeline | Status | |
| Cat Street Green Limited Director • Architect | 13 Sep 2011←14 Years→Current | Active | |
| Donald Insall Associates Limited Director • Architect | 31 Dec 1991←17 Years→30 Jun 2009 | Active | |
| Redlands-Toller Management Company Limited Director • Architect | 14 Feb 1991←14 Years→9 Dec 2005 | Active | |
