| Company | Timeline | Status | |
| Gauge & Tool Makers'Association(The) Director • Accountant | 13 Jun 2013←1 Year→19 Jun 2014 | Active | |
| PRT Specialised Services Limited Director • Publisher | 1 May 2004←15 Years→9 Aug 2019 | Active | |
| PRT Specialised Services Limited Secretary • Unreported | 14 Jul 1995←24 Years→9 Aug 2019 | Active | |
