| Company | Timeline | Status | |
Burnbrae Properties (Aberdeen) Limited Director • Engineer | 11 Oct 2012←4 Years→1 Aug 2017 | Dissolved | |
| Hays Hydraulic Supplies Limited Director • Engineer | 31 Aug 2011←9 Years→8 Dec 2020 | Dissolved | |
| Hay's Hydraulic & Mechanical Services Limited Director • Mechanical Engineer | 8 Oct 2003←15 Years→16 Aug 2019 | Active | |
