| Company | Timeline | Status | |
| McQuillan Electrical Contractors Limited Director • Company Director  | 24 Feb 2012←12 Years→17 Dec 2024  | Dissolved  | |
| McQuillan & Clune Limited Director • Unreported  | 22 Aug 2011←14 Years→Current  | Active  | |
| McQuillan Boiler Services Limited Director • Unreported  | 19 Sep 2003←22 Years→Current  | Active  | |
