| Company | Timeline | Status | |
| Harrison Management Limited Director • Unreported | 1 Jul 1998←27 Years→Current | Active | |
| Harrison Management Limited Secretary • Unreported | 28 Aug 1996←29 Years→Current | Active | |
| Hge Holdings Limited Secretary • Unreported | 21 Apr 1995←22 Years→9 Aug 2017 | Active | |
| Harrison Group Environmental Limited Secretary • Unreported | 28 Feb 1995←16 Years→31 Dec 2011 | Active | |
