| Company | Timeline | Status | |
| Colvia Management Company Limited Director • Engineer | 17 Mar 1992←33 Years→Current | Active | |
| Turnwright Limited Secretary • Unreported | 30 Sep 1991←34 Years→Current | Active | |
| Turnwright Limited Director • Director/secretary (engineer) | 30 Sep 1991←34 Years→Current | Active | |
