| Company | Timeline | Status | |
| JHK Npi Ltd Director • Director | 29 Apr 2025←7 Months→Current | Active | |
| JHK RGRI Ltd Director • Company Secretary | 19 Nov 2015←10 Years→Current | Active | |
| JHK Devonshire Ltd Director • Company Director | 27 Oct 1994←31 Years→Current | Active | |
| John H King & Co Limited Director • Company Director | 5 Apr 1993←32 Years→Current | Active | |
| John H King Holding Co Ltd Director • Company Director | 3 Jul 1992←33 Years→Current | Active | |
