| Company | Timeline | Status | |
| G S Stothers Smoke Ventilation Specialists Ltd Director • Managing Director | 30 Jun 2023←2 Years 4 Months→Current | Active | |
| Ni Smoke Vent Ltd Director • Managing Director | 4 May 2021←2 Years 1 Month→27 Jun 2023 | Dissolved | |
| G.S. Stothers M&E Engineering Ltd Director • Director | 12 Dec 2017←7 Years→Current | Active | |
| SR Fire & Security Ltd Director • Engineer | 1 Nov 2016←9 Years→Current | Active | |
