| Company | Timeline | Status | |
| JK Construction Projects Ltd Director • Director  | 21 Jun 2019←6 Years→Current  | Active  | |
| John King Holdings Ltd Director • Director  | 25 Apr 2019←6 Years→Current  | Active  | |
| J.K. Structural Ltd Director • Director  | 20 Sep 2018←7 Years→Current  | Active  | |
JK Investment Properties (Ni) Ltd Director • Director  | 7 Mar 2014←1 Year 1 Month→4 May 2015  | Dissolved  | |
| J.K. Fabrications Limited Director • Engineering/fabrication  | 23 Nov 1998←26 Years→Current  | Active  | |
