| Company | Timeline | Status | |
| Aecentus Limited Director • Engineer Consultant | 23 Jan 2013←12 Years→Current | Active | |
| Marathon Management Services Limited Director • Engineer Consultant | 20 Nov 2009←3 Years→1 Dec 2012 | Active | |
| Lynhill Properties Limited Director • Engineering Consultant | 17 Apr 2007←18 Years→Current | Active | |
