| Company | Timeline | Status | |
| Microtech Sciences Limited Director • Engineer | 9 Mar 2007←5 Months→7 Aug 2007 | Active | |
| Assist Environmental Limited Director • Engineer | 9 Mar 2007←5 Months→7 Aug 2007 | Dissolved | |
| Assist Facilities Management Limited Director • Engineer | 9 Mar 2007←5 Months→7 Aug 2007 | Dissolved | |
| Assist Construction Services Limited Director • Engineer | 22 Feb 2007←8 Months→5 Nov 2007 | Dissolved | |
