| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| Trilogy Networks Ltd | 04291367 | 21/09/2001 | Dissolved |
| Trilogy Telecom Ltd | 04334300 | 14/05/2004 | Dissolved |
| WSI INTERNET MARKETING LIMITED | 05950143 | 28/09/2006 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| CASTLETON GROUP HOLDINGS LIMITED | 04033327 | 30/03/2001 | 26/06/2001 | Dissolved |
| CASTLETON TECHNOLOGY LIMITED | 03336134 | 06/08/1997 | 26/06/2001 | Gold |
| Callsure Ltd | 03138196 | 11/12/1995 | 26/06/2001 | Dissolved |
| DIALNET PLC | 02050042 | 27/09/2000 | 26/06/2001 | Dissolved |
| Ds Connections Ltd | 03419949 | 01/05/2006 | 31/12/2008 | Dissolved |
| FASTNET GROUP LIMITED | 03015466 | 01/08/2000 | 26/06/2001 | Dissolved |
| Interglobe Telecommunications (International) Plc | 02719138 | 24/02/2000 | 26/06/2001 | Dissolved |
| Manet Telecom Ltd | 03898821 | 26/06/2000 | 26/06/2001 | Dissolved |
| Pure Telecommunications Ltd | 04080393 | 26/03/2001 | 26/06/2001 | Dissolved |
| REDCENTRIC COMMUNICATIONS LIMITED | 03021292 | 23/10/1995 | 26/06/2001 | Dissolved |
| Redstone Data Services Ltd | 03648496 | 13/10/1998 | 26/06/2001 | Dissolved |
| Redstone Internet Ltd | 03616762 | 17/08/1998 | 26/06/2001 | Dissolved |
| Redstone Net Ltd | 03616755 | 17/08/1998 | 26/06/2001 | Dissolved |
| Redstone Premium Rate Services Ltd | 03796601 | 22/06/1999 | 26/06/2001 | Dissolved |
| Redstone Telecom Ltd | 03453728 | 16/10/1997 | 26/06/2001 | Dissolved |
| Surenet Ltd | 03134542 | 06/12/1995 | 26/06/2001 | Dissolved |
| Telefficiency Ltd | 03163550 | 21/03/2000 | 26/06/2001 | Dissolved |
| Touchbase Network Ltd | 03481010 | 20/03/2001 | 26/06/2001 | Dissolved |