| Company | Timeline | Status | |
| Gallagher Resources Limited Director • Director | 13 Feb 2008←17 Years→Current | Active | |
| Gallagher Limited Director • Director | 28 Nov 2007←18 Years→Current | Active | |
| Gallagher Land Limited Director • Director | 27 Nov 2006←19 Years→Current | Active | |
| Gallagher Holdings (Kent) Limited Director • Director | 7 Feb 2003←22 Years→Current | Active | |
| Gallagher Materials Limited Director • Director | 1 May 2002←23 Years→Current | Active | |
| Gallagher Contractors Limited Director • Director | 27 Apr 2001←24 Years→Current | Active | |
| Gallagher Concrete Limited Director • Director | 13 May 1999←26 Years→Current | Active | |
| Leitrim Limited Director • Director | 27 Jul 1993←32 Years→Current | Active | |
| Kentland Reclamation Limited Director • Co Director | 22 May 1992←7 Years→16 Nov 1999 | Active | |
| Gallagher Group Limited Director • Co Director | 20 Dec 1991←33 Years→Current | Active | |
