| Company | Timeline | Status | |
| Optimus Projects Limited Director • Consultant Structural Engineer | 12 Nov 2015←7 Years→7 Mar 2023 | Dissolved | |
| Ab Realisations Limited Director • Consultant Structural Engineer | 12 Nov 2015←10 Years→Current | Liquidation | |
North Ayrshire Designs Limited Director • Business Manager | 23 Mar 1990←23 Years→12 Dec 2013 | Dissolved | |
