| Company | Timeline | Status | |
| Integrated Engineering (Holdings) Limited Director • Director | 22 Jun 2012←11 Years→24 Oct 2023 | Active | |
Roland Butter Limited Director • Engineer | 14 Apr 2008←6 Years→5 Dec 2014 | Dissolved | |
| Integrated Engineering Support Ltd Director • Director | 29 Sep 2006←17 Years→24 Oct 2023 | Active | |
