| Company | Timeline | Status | |
| Phase One Design Ltd Secretary • Unreported | 17 Apr 2003←22 Years→Current | Active | |
| PSD Systems Limited Secretary • Unreported | 1 Mar 2002←23 Years→1 Jul 2025 | Dissolved | |
| PSD Net Limited Director • Computer Consultancy | 1 Mar 2002←23 Years→Current | Active | |
