| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| Callcard Etc Ltd | 03218903 | 16/10/1997 | Dissolved |
| Callshop Etc (Franchising) Ltd | 03372617 | 16/10/1997 | Dissolved |
| Intertel Communications Ltd | 02931839 | 29/06/1995 | Dissolved |
| Phonecards Etc Ltd | 03248552 | 16/10/1997 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| CALLSHOP ETC. LIMITED | 03114251 | 16/10/1997 | 20/11/2000 | Dissolved |
| CITY OF LONDON TELECOMMUNICATIONS LIMITED | 01939847 | 07/07/1993 | 20/12/2000 | Not Trading |
| COLT NETHERLANDS HOLDING LIMITED | 03548794 | 19/05/1998 | 23/01/2001 | Silver |
| COLT TECHNOLOGY SERVICES | 02452736 | 22/12/1994 | 25/07/2002 | Amber |
| COLT TECHNOLOGY SERVICES EUROPE LIMITED | 03218510 | 23/09/1996 | 23/01/2001 | Gold |
| COLT TELECOM HOLDINGS LIMITED | 03889002 | 20/12/2000 | 23/01/2001 | Amber |
| COLT TELECOM LIMITED | 03265299 | 07/11/1996 | 20/12/2000 | Not Trading |