| Company | Timeline | Status | |
| R. Hannon Limited Director • Director | 23 Aug 1991←34 Years→Current | Active | |
| R. Hannon Limited Secretary • Unreported | 23 Aug 1991←34 Years→Current | Active | |
| R. Hannon Limited Secretary • Unreported | 1 Jan 1970←55 Years→15 Sep 2025 | Active | |
| R. Hannon Limited Director • Director | 1 Jan 1970←55 Years→15 Sep 2025 | Active | |
