| Company | Timeline | Status | |
| Colsan Audio Limited Director • Business Advisor | 11 Jun 2021←2 Years 9 Months→2 Apr 2024 | Dissolved | |
| Brooklyn Freehold Limited Director • Hr Consultant | 17 Aug 2011←1 Year 6 Months→14 Feb 2013 | Active | |
| Colsan Acoustic Design Limited Director • None | 14 Apr 2011←11 Years→26 Jul 2022 | Dissolved | |
| Colsan Technology Group Limited Director • None | 13 Apr 2011←11 Years→26 Jul 2022 | Dissolved | |
| Colsan Microelectronics Limited Director • Hr Director | 15 Sep 2009←14 Years→24 Apr 2024 | Dissolved | |
| Colsan Microelectronics Limited Secretary • Hr Director | 15 Sep 2009←16 Days→1 Oct 2009 | Dissolved | |
| Colsan Microelectronics Limited Secretary • Business Consultant | 30 Apr 1999←25 Years→24 Apr 2024 | Dissolved | |
