| Company | Timeline | Status | |
| Forevermark Limited Secretary • Solicitor | 14 May 2009←5 Years→30 Jun 2014 | Active | |
| Gemfair Limited Secretary • Unreported | 1 Aug 2008←5 Years→30 Jun 2014 | Active | |
| The Diamond Trading Company Limited Secretary • Unreported | 9 Sep 2005←8 Years→30 Jun 2014 | Active | |
| De Beers Trademarks Limited Secretary • Unreported | 9 Sep 2005←8 Years→30 Jun 2014 | Dissolved | |
| De Beers Corporate Secretary Limited Secretary • Unreported | 7 Sep 2005←8 Years→30 Jun 2014 | Active | |
| De Beers UK Limited Secretary • Unreported | 9 May 2005←9 Years→21 May 2014 | Active | |
De Beers Group Services UK Limited Secretary • Unreported | 25 Apr 2005←4 Years→5 Jan 2010 | Dissolved | |
