| Company | Timeline | Status | |
Heriot Community Company Secretary • Architect | 14 Jan 2009←8 Years→25 Apr 2017 | Dissolved | |
| Quercus Limited Secretary • Architect | 5 Feb 2003←22 Years→Current | Active | |
| Quercus Limited Director • Architect | 5 Feb 2003←22 Years→Current | Active | |
| Trent Building Company,Limited(The) Director • Unreported | 1 Jan 1970←55 Years→Current | Active | |
