| Company | Timeline | Status | |
| 3 York Road RTM Company Ltd Director • Airconditioning Engineer | 1 Jul 2015←3 Years→12 Apr 2019 | Active | |
| Airconditioning Services Direct Limited Director • Engineer | 2 Mar 2001←24 Years→Current | Active | |
| APT Air Conditioning Services Limited Director • Cpmpany Director | 9 Jan 1998←3 Years→31 Mar 2001 | Active | |
