| Company | Timeline | Status | |
| Roydale Limited Director • Operations Manager | 1 Apr 2011←14 Years→Current | Active | |
| Roydale Limited Secretary • Director | 2 Jul 2001←24 Years→Current | Active | |
| Roydale Limited Director • Director | 2 Jul 2001←7 Months→5 Feb 2002 | Active | |
| P K M Plant Limited Director • Director | 20 Nov 1996←5 Years→31 May 2002 | Dissolved | |
| P. K. Martin Limited Director • Director | 27 Dec 1995←29 Years→Current | Liquidation | |
