| Company | Timeline | Status | |
| Quercus Ensemble Director • Office Manager | 1 Feb 2012←12 Years→27 Feb 2024 | Dissolved | |
| Pipeline Mechanical Services Limited Director • Administrator | 24 Feb 1993←30 Years→1 Sep 2023 | Dissolved | |
| Pipeline Mechanical Services Limited Secretary • Unreported | 24 Feb 1993←30 Years→1 Sep 2023 | Dissolved | |
