| Company | Timeline | Status | |
| Martin Structural Engineers Limited Director • Director | 31 Jan 2025←10 Months→Current | Active | |
| Cooper Associates Structural Engineers Limited Director • Engineer | 11 Mar 2010←15 Years→Current | Active | |
Wellington Terrace Properties Limited Director • Engineer | 19 Jul 2007←8 Years→15 Dec 2015 | Dissolved | |
| Greyfriars Property Limited Director • Engineer | 14 Dec 1995←15 Years→30 Sep 2011 | Active | |
