| Company | Timeline | Status | |
| Overstone Build Limited Director • Director | 30 Aug 2023←2 Years 4 Months→Current | Active | |
| Overstone Management Limited Director • Builder | 30 Apr 2013←12 Years→Current | Active | |
| Mullbuild Limited Director • Builder | 3 Mar 2006←3 Years→7 Dec 2009 | Active | |
J&M Mullarkey Property Limited Director • Building Contractor | 21 Feb 2005←12 Years→12 Dec 2017 | Dissolved | |
| Overstone Building Services Limited Director • Building Contractor | 10 Apr 2003←21 Years→26 Nov 2024 | Dissolved | |
