| Company | Timeline | Status | |
Envelop Property Management Ltd Director • Owner  | 12 Apr 2011←3 Years→16 Sep 2014  | Dissolved  | |
| Karsson Hawke Environmental Limited Director • Director  | 8 May 2009←4 Years→6 Sep 2013  | Active  | |
| Karsson Hawke Environmental Limited Secretary • Director  | 8 May 2009←5 Months→1 Nov 2009  | Active  | |
