| Company | Timeline | Status | |
| Dempsey Property Limited Director • Unreported | 13 May 2015←10 Years→Current | Active | |
| Dempsey Holdings Limited Director • Unreported | 23 May 2014←11 Years→Current | Active | |
| Ja Dempsey Civil Engineering Ltd Director • Unreported | 2 Jun 2003←22 Years→Current | Active | |
