| Company | Timeline | Status | |
| Promel Ltd Director • Executive  | 2 Jan 2007←9 Months→5 Oct 2007  | Active  | |
| Nutriceut Limited Director • Executive  | 14 Dec 2006←18 Years→Current  | Active  | |
| Dairy Solutions Limited Director • Director  | 19 Aug 2002←8 Years→30 Jun 2011  | Active  | |
| Dairy Crest Food Ingredients Limited Director • Dairy Products Executive  | 1 May 1997←10 Years→6 Dec 2007  | Dissolved  | |
| The Fayrefield Group Limited Director • Dairy Products Executive  | 8 Jun 1994←31 Years→Current  | Active  | |
| Greenfields Ireland Limited Director • Director  | 28 Oct 1992←15 Years→5 Jun 2008  | Active  | |
| John Douglas Kerr Limited Director • Dairy Products Executive  | 16 Dec 1991←33 Years→Current  | Active  | |
| Linsey Kerr Limited Secretary • Unreported  | 31 Dec 1990←5 Years→17 Jul 1996  | Active  | |
| Linsey Kerr Limited Director • Unreported  | 1 Jan 1970←55 Years→Current  | Active  | |
| Fayrefield Foods Limited Director • Unreported  | 1 Jan 1970←55 Years→Current  | Active  | |
