| Company | Timeline | Status | |
| JJDK Properties Limited Director • Director | 16 Oct 2025←11 Days→Current | Active | |
Push To Talk Phones Limited Director • Director | 31 Jul 1996←18 Years→23 Sep 2014 | Dissolved | |
Push To Talk Phones Limited Secretary • Company Secretary | 31 Jul 1996←18 Years→23 Sep 2014 | Dissolved | |
| R.T. Systems Limited Secretary • Company Director | 15 Jul 1994←11 Years→6 Jun 2006 | Dissolved | |
| Radphone Limited Secretary • Company Director | 15 Jul 1994←19 Years→28 Feb 2014 | Liquidation | |
| R.T. Systems Limited Director • Co Director | 1 Jan 1970←36 Years→6 Jun 2006 | Dissolved | |
| Radphone Limited Director • Co Director | 1 Jan 1970←44 Years→28 Feb 2014 | Liquidation | |
