| Company | Timeline | Status | |
| G John Power (Holdings) Limited Director • Unreported | 10 Jan 2012←13 Years→Current | Active | |
| G. John Power Limited Secretary • Unreported | 21 Jul 2003←22 Years→Current | Active | |
| G. John Power Limited Director • Unreported | 22 Mar 1999←26 Years→Current | Active | |
| Susho Limited Director • Director | 20 Jul 1991←31 Years→23 May 2023 | Dissolved | |
