| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| English Homework Ltd | 04396926 | 18/03/2002 | Dissolved |
| Obe Industrial Property Ltd | 04329799 | 27/11/2001 | Dissolved |
| Old Burlington Estates Ltd | 03755531 | 28/06/1999 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| CIRCLE SOFTWARE ACQUISITION LIMITED | 05981993 | 01/06/2011 | 30/06/2011 | Gold |
| CIRCLE SOFTWARE INTERNATIONAL LIMITED | 04557624 | 01/06/2011 | 30/06/2011 | Dissolved |
| RUBY TZZ INVESTORS LLP | OC327369 | 03/04/2007 | 16/07/2010 | Dissolved |