| Company | Timeline | Status | |
| Bcem Limited Director • Engineer | 17 Jan 2025←9 Months→Current | Active | |
| Transition To Net Zero Ltd Director • Engineer | 8 Sep 2021←1 Year 4 Months→31 Jan 2023 | Dissolved | |
| Mark Baker Associates Ltd Director • Engineer | 25 Jan 2021←2 Years→31 Jan 2023 | Dissolved | |
| Passivhaus Contracts Ltd Director • Director | 18 Nov 2020←2 Years 4 Months→4 Apr 2023 | Active | |
