| Company | Timeline | Status | |
| The Pearce Institute Director • Retired | 15 Dec 2009←2 Years 4 Months→18 Apr 2012 | Active | |
| Govan Enterprises (Service And Manufacture) Limited Director • Student | 25 Jun 2001←24 Years→Current | Active | |
| Govan Workspace Limited Director • Retired Engineer | 14 Dec 1992←33 Years→Current | Active | |
