| Company | Timeline | Status | |
| G Douglass Ltd Secretary • Unreported | 30 Nov 2005←19 Years→Current | Active | |
| Delian Systems Limited Director • Computer Consultant | 4 Sep 1992←33 Years→Current | Active | |
| Frank Douglass Computer Services Limited Director • Computer Consultant | 10 Jul 1992←29 Years→24 Aug 2021 | Dissolved | |
