| Company | Timeline | Status | |
| Longley Concrete Ltd Director • Engineer | 2 Feb 2006←13 Years→30 Jul 2019 | Active | |
| G-Tech Coper Limited Director • Engineer | 29 Dec 1991←27 Years→30 Jul 2019 | Active | |
| Ocmis Limited Director • Engineer | 18 Jun 1991←34 Years→Current | Active | |
