| Company | Timeline | Status | |
| Arctotis Limited Director • Architect | 26 Oct 2009←8 Years→5 Dec 2017 | Dissolved | |
| Rib Design Limited Secretary • Director | 23 Jul 1998←15 Years→16 Jan 2014 | Dissolved | |
| Rib Design Limited Director • Director | 23 Jul 1998←15 Years→16 Jan 2014 | Dissolved | |
| Singleton Architects Limited Director • Director | 21 Sep 1993←21 Years→9 Apr 2015 | Dissolved | |
| Singleton Architects Limited Secretary • Director | 21 Sep 1993←21 Years→9 Apr 2015 | Dissolved | |
