| Company | Timeline | Status | |
Qubism Limited Director • Engineer | 27 Sep 2013←3 Years→7 Mar 2017 | Dissolved | |
| Tamborine Productions Limited Director • Engineer | 20 Apr 2010←12 Years→22 Sep 2022 | Dissolved | |
| Epic ARTS Director • Acoustical Engineer | 13 Jul 2005←4 Years→21 Apr 2010 | Active | |
| CDM Stravitec Limited Director • Engineer | 5 Jul 2002←18 Years→24 Jun 2021 | Active | |
| CDM Stravitec Limited Secretary • Engineer | 5 Jul 2002←7 Years→10 Aug 2009 | Active | |
