| Company | Timeline | Status | |
| Focus SB Limited Director • Engineer | 10 May 2016←4 Years→12 Aug 2020 | Active | |
| Max Appliances Limited Director • Design Engineer | 1 Jan 2004←6 Years→23 Nov 2010 | Active | |
Max Control Limited Director • Engineer | 22 Sep 2003←12 Years→2 Feb 2016 | Dissolved | |
