| Company | Timeline | Status | |
| Priorclave Scientific Limited Secretary • Unreported | 29 Aug 1991←34 Years→Current | Active | |
| Prior Group Holdings Limited Director • Secretary | 29 Aug 1991←34 Years→Current | Active | |
| Prior Group Holdings Limited Secretary • Unreported | 29 Aug 1991←30 Years→1 Apr 2022 | Active | |
| Prior Clave Limited Secretary • Unreported | 29 Aug 1991←30 Years→1 Apr 2022 | Active | |
| Priorclave Scientific Limited Secretary • Unreported | 1 Jan 1970←55 Years→11 Sep 2025 | Active | |
| Prior E.M.E. Limited Secretary • Unreported | 1 Jan 1970←42 Years→15 Mar 2012 | Dissolved | |
