| Company | Timeline | Status | |
| Shepheard-Walwyn (Publishers) Limited Secretary • Unreported | 1 Jan 2008←12 Years→24 Jul 2020 | Active | |
| Russell Square Quality Representatives Limited Secretary • Unreported | 6 Jan 2003←19 Years→5 Jul 2022 | Active | |
| Russell Square Quality Associates Limited Secretary • Unreported | 6 Jan 2003←19 Years→5 Jul 2022 | Active | |
