| Company | Timeline | Status | |
| Clearair Limited Director • Director | 1 Mar 2008←5 Years→1 Apr 2013 | Active | |
| Cleanair Systems Limited Director • Director | 19 Feb 2008←5 Years→1 Apr 2013 | Active | |
| Inventair Limited Director • Engineer | 1 Jan 2001←12 Years→1 Apr 2013 | Active | |
