| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| CORPORATE RHYTHMS LIMITED | 08524814 | 10/05/2013 | Dissolved |
| CORPORATE RHYTHMS LIMITED | 10370972 | 12/09/2016 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| Ans Communications Europe Ltd. | 03141234 | 07/06/2002 | 10/01/2003 | Dissolved |
| EASYNET ENTERPRISE SERVICES LIMITED | 04287100 | 11/03/2004 | 30/09/2010 | Dissolved |
| FOX COURT NOMINEES LIMITED | 03962527 | 16/10/2001 | 10/01/2003 | Not Trading |
| MCI WORLDPHONE LIMITED | 03377572 | 16/10/2001 | 10/01/2003 | Dissolved |
| MDNX INTERNET LIMITED | 04015139 | 11/03/2004 | 30/09/2010 | Dissolved |
| MINORPLANET SYSTEMS PLC | 03372097 | 06/05/2003 | 16/12/2003 | Dissolved |
| MK INTERNATIONAL LIMITED | 02571031 | 10/05/2001 | 10/01/2003 | Gold |
| MTEL (UK) LIMITED | 01637503 | 07/06/2002 | 10/01/2003 | Dissolved |
| McI Telecommunications Ltd | 02545460 | 16/10/2001 | 10/01/2003 | Dissolved |
| THE PUBLIC IP EXCHANGE LIMITED | 02649062 | 30/11/2001 | 10/01/2003 | Dissolved |
| Unipalm Group | 02862146 | 30/11/2001 | 10/01/2003 | Dissolved |
| VERIZON UK LIMITED | 02776038 | 08/10/2001 | 10/01/2003 | Gold |
| VIATEL BELGIUM LIMITED | 03556686 | 11/03/2004 | 01/08/2014 | Dissolved |
| VIATEL BROADBAND LIMITED | 05436868 | 27/04/2005 | 01/09/2014 | Dissolved |
| VIATEL CIRCE ASSETS LIMITED | 03825924 | 11/03/2004 | 18/08/2014 | Dissolved |
| VIATEL EQUIPMENT LIMITED | 04567385 | 11/03/2004 | 01/08/2014 | Dissolved |
| VIATEL HOLDING (EUROPE) LIMITED | 04454035 | 11/03/2004 | 18/08/2014 | Dissolved |
| Worldcom Advanced Networks | 02420407 | 07/06/2002 | 10/01/2003 | Dissolved |
| Worldcom Advanced Networks Consulting Ltd | 02515884 | 07/06/2002 | 10/01/2003 | Dissolved |
| Worldcom Northern Ltd | 03431627 | 16/10/2001 | 10/01/2003 | Dissolved |
| Worldcom Wireless (Uk) | 03883259 | 07/01/2002 | 10/01/2003 | Dissolved |
| ZAYO INFRASTRUCTURE (UK) LIMITED | 05836930 | 21/06/2006 | 18/08/2014 | Dissolved |