| Company | Timeline | Status | |
| Harniss Consulting Limited Director • Unreported | 15 Jan 2018←7 Years→Current | Active | |
| Harniss Holdings Limited Director • Unreported | 14 Dec 2017←7 Years→Current | Active | |
Harniss Investments Limited Director • Director | 15 Sep 2010←8 Years→27 Nov 2018 | Dissolved | |
| Harniss Contracting Limited Director • Unreported | 1 Dec 2009←15 Years→Current | Active | |
