| Company | Timeline | Status | |
| 17 Queen's Gardens Management Limited Director • Geologist | 24 Mar 2010←15 Years→Current | Active | |
| 41 Mount Park Road Limited Secretary • Geologist | 1 Dec 2006←18 Years→Current | Active | |
| 41 Mount Park Road Limited Secretary • Unreported | 1 Dec 2006←18 Years→26 Aug 2025 | Active | |
| 41 Mount Park Road Limited Director • Geologist | 20 May 2002←23 Years→Current | Active | |
