| Company | Timeline | Status | |
| RJK Security Holdings Limited Director • Director  | 13 Jul 2018←7 Years→Current  | Active  | |
| R J K Multi-Room Limited Director • Director  | 12 Jan 2011←14 Years→Current  | Active  | |
| RJK Security Systems Limited Director • Security Consultant  | 19 Mar 2001←24 Years→Current  | Active  | |
