| Company | Timeline | Status | |
| Whelan & Grant (Holdings) Limited Director • Quantity Surveyor | 1 Jun 2005←20 Years→Current | Active | |
| Pad Contracts Limited Director • Quantity Surveyor | 16 Nov 2004←20 Years→Current | Active | |
| Clare Construction Services Limited Director • Quantity Surveyor | 9 Jan 1995←30 Years→Current | Active | |
| Whelan & Grant (Contractors) Limited Director • Quantity Surveyor | 21 Sep 1991←34 Years→Current | Active | |
