| Company | Timeline | Status | |
| Berkmann Family Holdings Limited Director • Director | 23 Mar 2011←9 Months→31 Dec 2011 | Active | |
| Churchill Vintners Limited Director • Director | 2 Apr 2007←4 Years→31 Dec 2011 | Active | |
T.M. Robertson & Son Limited Director • Managing Director | 6 Jan 1998←13 Years→31 Dec 2011 | Dissolved | |
| Berkmann Wine Cellars Limited Director • Company Director | 24 Oct 1991←22 Years→31 Mar 2014 | Active | |
| Berkmann Family Holdings Limited Director • Director | 24 Oct 1991←17 Years→16 Sep 2009 | Active | |
| Spirit Cartel Limited Director • Company Director | 3 Oct 1991←20 Years→31 Dec 2011 | Active | |
