| Company | Timeline | Status | |
| GCM Contracts Ltd Director • Company Secretary/director | 10 Sep 2019←4 Years→15 Jul 2024 | Active | |
| Graham Construction Management Limited Director • Joiner | 10 Mar 2010←2 Years 1 Month→1 May 2012 | Active | |
Cowan J Construction Ltd Director • Joiner | 27 Mar 2002←17 Years→28 Jan 2020 | Dissolved | |
