| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| M C I Finance Ltd | 03901660 | 25/06/2004 | Dissolved |
| MCI WORLDPHONE LIMITED | 03377572 | 24/09/2003 | Dissolved |
| MTEL (UK) LIMITED | 01637503 | 24/09/2003 | Dissolved |
| McI Telecommunications Ltd | 02545460 | 24/09/2003 | Dissolved |
| THE PUBLIC IP EXCHANGE LIMITED | 02649062 | 24/09/2003 | Dissolved |
| VERIZON FINANCING | 05763520 | 30/03/2006 | Not Trading |
| VERIZON INTERNATIONAL LIMITED | 04636580 | 29/06/2007 | Amber |
| VERIZON UK FINANCING LIMITED | 10337299 | 19/08/2016 | Silver |
| VERIZON UK HOLDING LIMITED | 10337292 | 19/08/2016 | Silver |
| VERIZON UK LIMITED | 02776038 | 07/08/2003 | Gold |
| Worldcom Northern Ltd | 03431627 | 24/09/2003 | Dissolved |
| Worldcom Wireless (Uk) | 03883259 | 24/09/2003 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|