| Company | Timeline | Status | |
| Invenio Systems Limited Director • Director | 2 Jul 2019←4 Years→7 Jul 2023 | Active | |
| Suntech Medical Group Limited Director • Director | 24 Feb 2017←6 Years→7 Jul 2023 | Active | |
| Suntech Medical Limited Director • Director | 24 Feb 2017←4 Years→3 Sep 2021 | Dissolved | |
| ASL Holdings Limited Director • Director | 13 Mar 2013←10 Years→7 Jul 2023 | Active | |
| Radcom (Technologies) Limited Secretary • Unreported | 12 Feb 2009←14 Years→7 Jul 2023 | Dissolved | |
| Radcom (Technologies) Limited Director • Unreported | 19 Nov 2007←15 Years→7 Jul 2023 | Dissolved | |
| HWM-Water Limited Director • Finance Director | 19 Nov 2007←15 Years→7 Jul 2023 | Active | |
| Halosensor Electronics Technology Limited Director • Financial Director | 1 Dec 2006←11 Months→16 Nov 2007 | Active | |
| TT Automotive Electronics Limited Director • Financial Director | 6 Jan 2000←7 Years→16 Nov 2007 | Active | |
| Abtest Limited Director • Financial Director | 7 Dec 1993←5 Years→6 Aug 1999 | Active | |
