| Company | Timeline | Status | |
| TT Refrigeration Limited Director • Director | 22 Dec 2015←6 Years→18 Oct 2022 | Dissolved | |
| Thermotech (UK) Limited Director • Director | 6 Jul 2009←16 Years→30 Sep 2025 | Dissolved | |
| Ross Mackay Developments Limited Director • Director | 27 Jun 2000←25 Years→Current | Active | |
