| Company | Timeline | Status | |
| Creative Synergy Limited Secretary • Unreported | 16 Nov 1992←32 Years→Current | Active | |
| Utilities Research Limited Secretary • Unreported | 18 Apr 1992←33 Years→Current | Active | |
| Utilities Research Limited Secretary • Unreported | 1 Jan 1970←55 Years→23 May 2025 | Active | |
