| Company | Timeline | Status | |
| Stirling Wells Properties Limited Director • Director  | 17 Mar 2015←10 Years→Current  | Active  | |
| Prospero Property Limited Director • Unreported  | 20 Mar 2012←13 Years→Current  | Active  | |
| Harp International Holdings Limited Director • Director  | 4 Apr 2008←5 Years→31 Mar 2014  | Active  | |
| Gaspack Services Limited Director • Director  | 23 Aug 2005←8 Years→31 Mar 2014  | Active  | |
| Air Conditioning And Refrigeration Industry Board Director • Company Director  | 6 May 1999←1 Year 6 Months→1 Nov 2000  | Active  | |
| Federation Of Environmental Trade Associations Limited Director • Company Director  | 29 Jun 1998←5 Years→10 Jun 2004  | Active  | |
| Harp Overseas Holdings Limited Director • Managing Director  | 27 Jan 1998←16 Years→31 Mar 2014  | Active  | |
| HRP Refrigerants Limited Director • Managing Director  | 30 May 1997←16 Years→31 Mar 2014  | Active  | |
| HRP Holdings Limited Director • Company Director  | 19 Apr 1994←1 Year 12 Months→16 Apr 1996  | Active  | |
| HRP Limited Director • Company Director  | 1 Jun 1992←3 Years→16 Apr 1996  | Active  | |
