| Company | Timeline | Status | |
| Robertson Construction Central Scotland Limited Secretary • Unreported | 1 Apr 2009←7 Months→30 Oct 2009 | Active | |
| Robertson Construction Tayside Limited Secretary • Accountant | 7 Jul 2006←2 Years 4 Months→20 Nov 2008 | Active | |
| Robertson Construction Central Limited Secretary • Accountant | 7 Jul 2006←3 Years→30 Oct 2009 | Active | |
| Robertson Ce Limited Secretary • Accountant | 7 Jul 2006←3 Years→30 Oct 2009 | Active | |
