| Company | Timeline | Status | |
Dom Construction (Scotland) Limited Secretary • Unreported | 24 Apr 2007←2 Years 10 Months→11 Mar 2010 | Dissolved | |
| A Williamson Haulage Limited Secretary • Unreported | 4 Aug 2006←19 Years→Current | Active | |
Leviathan (Scotland) Limited Secretary • Unreported | 22 Mar 2006←2 Years 8 Months→1 Dec 2008 | Dissolved | |
| Computational Structural Mechanics Limited Secretary • Unreported | 31 Mar 2005←20 Years→Current | Active | |
| Linear And Non-Linear Structural Dynamics Limited Secretary • Unreported | 31 Mar 2005←18 Years→27 Jun 2023 | Dissolved | |
