| Company | Timeline | Status | |
| Skeletank Limited Director • Director | 16 Feb 2012←13 Years→Current | Active | |
| Sel Environmental 2022 Limited Director • Director | 6 Mar 2009←12 Years→9 Nov 2021 | Dissolved | |
| Shuttleworth Environmental Limited Director • Director | 5 Oct 2007←18 Years→Current | Active | |
| Sel Environmental Limited Director • Civil Engineer | 21 Mar 2007←18 Years→Current | Active | |
| Eric Wright Water Limited Director • Civil Servant | 18 Feb 2004←3 Years→21 Mar 2007 | Active | |
