| Company | Timeline | Status | |
| Correctair Solutions (Ireland) Ltd Director • Building Services Engineer | 18 Feb 2010←15 Years→Current | Active | |
| F.F. Food Engineering Limited Director • Building Services Engineer | 14 Feb 2005←20 Years→Current | Active | |
| F3 Engineering Limited Director • Building Service Engineer | 1 Jun 2004←21 Years→Current | Active | |
| CHC Facilities Management Limited Director • Building Services Engineer | 1 May 2003←22 Years→Current | Active | |
| C.H.C. Properties Limited Director • Building Services Engineer | 1 May 2003←22 Years→Current | Active | |
| CHC Group Limited Director • Building Services Engineer | 1 May 2003←22 Years→Current | Active | |
