| Company | Timeline | Status | |
| Nicol Design Associates Limited Director • Architectural | 27 Sep 2007←18 Years→Current | Active | |
Erigo Limited Director • Architectural Draughtsman | 26 May 2004←3 Years→31 Oct 2007 | Dissolved | |
Erigo Limited Secretary • Architectural Draughtsman | 26 May 2004←5 Years→15 May 2010 | Dissolved | |
