| Company | Timeline | Status | |
| Sigma Commercial Products Limited Director • Engineer & Design Consultant | 15 May 2010←3 Years→19 Mar 2014 | Active | |
Design And Provide Limited Director • Company Director | 17 Jun 2005←14 Years→25 Jun 2019 | Dissolved | |
| Ham Baker Adams Limited Director • Engineer | 2 Jan 2003←5 Years→18 Jan 2008 | Dissolved | |
Ham Baker RDW Limited Director • Director | 20 Oct 1999←5 Years→30 Mar 2005 | Dissolved | |
