| Company | Timeline | Status | |
| BMJ CDM-C Limited Director • Architect | 15 Jul 2009←10 Years→16 Dec 2019 | Dissolved | |
| BMJ Architects Limited Director • Architect | 15 Jul 2009←10 Years→16 Dec 2019 | Active | |
| Boswell Mitchell & Johnston Limited Director • Architect | 14 Mar 2005←14 Years→16 Dec 2019 | Active | |
