| Company | Timeline | Status | |
| SK3D Limited Director • Director | 14 Jan 2010←11 Years→18 Mar 2021 | Dissolved | |
| Studio SP Limited Director • Company Director | 26 Apr 2004←5 Years→19 Oct 2009 | Dissolved | |
| Tayburn Limited Director • Projects Director | 1 Apr 1990←5 Years→30 Apr 1995 | Dissolved | |
