| Company | Timeline | Status | |
| Burnbank Investments Limited Director • Property Developer | 3 Apr 2008←17 Years→Current | Active | |
| Quintin Tannock & Company Limited Director • Plasterer/slater | 17 Jan 2005←20 Years→Current | Active | |
| Clyde Property Company (Greenock) Limited Director • Builder | 16 Oct 2002←23 Years→Current | Active | |
