| Company | Timeline | Status | |
| Environmental Control Partnership Limited Director • Engineer  | 19 Jul 1994←27 Years→24 Aug 2021  | Active  | |
| Environmental Control Partnership Limited Secretary • Engineer  | 19 Jul 1994←27 Years→24 Aug 2021  | Active  | |
| Edmunds Gardens No.1 Management Company Limited Director • Contracts Manager  | 15 Jun 1993←3 Years→24 Jun 1996  | Active  | |
