| Company | Timeline | Status | |
| Holjen Limited Director • Managing Director | 3 Dec 2004←12 Years→12 Sep 2017 | Active | |
| D.C.Emergency Systems Limited Director • Managing Director | 3 Dec 2004←12 Years→12 Sep 2017 | Active | |
| Holjen Limited Secretary • Unreported | 24 Oct 2002←2 Years 10 Months→1 Sep 2005 | Active | |
