| 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  | |
