| Company | Timeline | Status | |
| Cambridge Transformers Limited Secretary • Unreported | 7 Aug 2007←18 Years→Current | Active | |
| Cambridge Transformers Limited Secretary • Unreported | 7 Aug 2007←17 Years→23 May 2025 | Active | |
| Proquest Limited Secretary • Unreported | 6 Mar 1998←27 Years→Current | Active | |
| Proquest Limited Secretary • Unreported | 6 Mar 1998←27 Years→5 Nov 2025 | Active | |
