| Company | Timeline | Status | |
| Ridge Road Holdings Limited Director • Project Manager | 26 Oct 2021←4 Years→Current | Active | |
| Ridge Road Holdings Limited Director • Project Manager | 26 Oct 2021←1 Year 2 Months→1 Jan 2023 | Active | |
| Douglas Closeburn Limited Director • Unreported | 17 Apr 2020←5 Years→Current | Active | |
