| Company | Timeline | Status | |
| Overstone Management Limited Director • Director | 10 Jun 2010←15 Years→Current | Active | |
| Mullbuild Limited Director • Builder | 3 Mar 2006←17 Years→25 May 2023 | Active | |
J&M Mullarkey Property Limited Director • Contractor | 21 Feb 2005←12 Years→12 Dec 2017 | Dissolved | |
| Overstone Building Services Limited Secretary • Unreported | 10 Apr 2003←6 Years→7 Dec 2009 | Dissolved | |
| Overstone Building Services Limited Director • Builder | 27 Mar 2003←21 Years→26 Nov 2024 | Dissolved | |
