| Company | Timeline | Status | |
| Coalters Ltd Secretary • Unreported  | 13 Dec 2006←2 Months→15 Feb 2007  | Dissolved  | |
| Coalters Ltd Director • Researcher  | 13 Dec 2006←7 Years→8 Dec 2014  | Dissolved  | |
| Research Matters Limited Director • Director  | 15 Sep 2004←18 Years→22 Aug 2023  | Dissolved  | |
| Research Matters Limited Secretary • Director  | 15 Sep 2004←18 Years→22 Aug 2023  | Dissolved  | |
