| Company | Timeline | Status | |
| SMS Workshop Supplies Limited Director • Retired | 13 Nov 2008←7 Months→1 Jul 2009 | Active | |
| M C W Limited Secretary • Secretary | 6 Jul 2005←20 Years→Current | Active | |
| Dangerous Goods Training & Advisory Services Limited Secretary • Director | 27 Aug 1996←24 Years→1 Feb 2021 | Active | |
| Dangerous Goods Training & Advisory Services Limited Director • Director | 27 Aug 1996←24 Years→1 Feb 2021 | Active | |
