| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| ETIHAD TOPCO LIMITED | 07479219 | 01/09/2015 | One Red Flag |
| GUNWIN LIMITED | 04476741 | 03/07/2002 | Dissolved |
| Maiden (Uk) Ltd | 05287904 | 05/01/2005 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| ADEPTA RESOURCES LIMITED | 02961279 | 29/03/2010 | 14/04/2011 | Dissolved |
| AM OLD TOPCO LIMITED | 06412778 | 01/07/2008 | 08/12/2010 | Dissolved |
| CAPGEMINI OLDCO LTD | 03953511 | 23/05/2000 | 27/05/2003 | Gold |
| CAPGEMINI UK PLC | 00943935 | 03/04/1992 | 09/09/2002 | Gold |
| CGS HOLDINGS LTD. | 02798276 | 02/04/1993 | 09/09/2002 | Silver |
| Cap Gemini Telecom Media & Networks Uk Ltd | 04036821 | 07/11/2001 | 17/04/2002 | Dissolved |
| DORMANT COMPANY 3987802 LIMITED | 03987802 | 01/07/2003 | 14/04/2011 | Dissolved |
| HALMA PUBLIC LIMITED COMPANY | 00040932 | 02/09/2002 | 25/07/2013 | Gold |
| Hoskyns Data Centres Limited | 00991206 | 29/05/1992 | 07/07/1992 | Dissolved |
| Hoskyns Systems Centre Ltd | 00991918 | 29/05/1992 | 07/07/1992 | Dissolved |
| Hoskyns Systems Development Ltd | 00969528 | 29/05/1992 | 07/07/1992 | Dissolved |
| Hoskyns Systems Ltd | 00913963 | 29/05/1992 | 07/07/1992 | Dissolved |
| Hoskyns Systems Research Limited | 00930475 | 29/05/1992 | 07/07/1992 | Dissolved |
| Hoskyns,John,& Co Ltd | 00800956 | 29/05/1992 | 07/07/1992 | Dissolved |
| Inset Ltd | 02067512 | 26/06/1992 | 07/07/1992 | Dissolved |
| LIBERATA UK LIMITED | 01238274 | 26/09/2006 | 09/02/2011 | Silver |
| MAI | 01168760 | 14/12/1995 | 23/04/1996 | Dissolved |
| MIRANDA TECHNOLOGIES (PA) LIMITED | 02738586 | 30/06/2005 | 09/09/2010 | Dissolved |
| New United News & Media Ltd | 03877902 | 16/10/2000 | 18/01/2001 | Dissolved |
| QUALCOMM CAMBRIDGE LIMITED | 03908042 | 11/09/2002 | 05/10/2004 | Insolvent |
| RD CARD HOLDINGS LIMITED | 05921838 | 01/01/2011 | 11/09/2014 | Dissolved |
| THE CLOUD NETWORKS LIMITED | 05141256 | 01/06/2005 | 18/12/2006 | Silver |
| TOWRY HOLDINGS LIMITED | 04773122 | 28/03/2014 | 19/07/2016 | Dissolved |
| TRYZENS LIMITED | 03064392 | 20/11/2014 | 26/08/2023 | One Red Flag |
| The Instruction Set International Ltd | 02263143 | 26/06/1992 | 07/07/1992 | Dissolved |
| UBMG HOLDINGS | 00152298 | 04/04/1996 | 13/12/2007 | Bronze |
| XCHANGING LIMITED | 05819018 | 01/12/2011 | 05/05/2016 | Dissolved |