| Company | Timeline | Status | |
| Long O Donnell Group Limited Director • Prof Services | 9 Dec 2016←9 Years→Current | Active | |
Winfield Associates Limited Director • Prof. Services | 15 Jun 2005←5 Years→28 Jul 2010 | Dissolved | |
| Long O Donnell Consulting Limited Director • Prof Services | 28 Apr 2005←20 Years→Current | Active | |
| Long O Donnell Associates Limited Director • Professional Services | 3 Aug 2001←24 Years→Current | Active | |
