| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| COMMUNITY BROADBAND LIMITED | 04327375 | 29/04/2002 | Dissolved |
| COMMUNITY BROADBAND LIMITED | 04327375 | 08/04/2002 | Dissolved |
| Craigrossie Gourmet Foods Ltd | SC274568 | 07/03/2005 | Dissolved |
| FD SUPPORT LIMITED | SC286366 | 17/06/2005 | Dissolved |
| FRONTIER IP FOUNDER PARTNERS LIMITED | SC360333 | 31/03/2014 | Dissolved |
| FRONTIER IP GP DUNDEE LIMITED | SC360336 | 01/04/2014 | Dissolved |
| FRONTIER IP GP RG LIMITED | SC360329 | 03/04/2014 | Dissolved |
| FRONTIER IP INVESTMENTS LIMITED | SC360330 | 31/03/2014 | Dissolved |
| Kataline Ltd | 04544488 | 25/09/2002 | Dissolved |
| Vacant Ideas Ltd | 03065406 | 14/09/1999 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| Dealerphone Ltd | 02074246 | 31/12/1991 | 03/01/1995 | Dissolved |
| FRONTIER IP LIMITED | SC335992 | 31/03/2014 | 22/04/2024 | Silver |
| IPC INFORMATION SYSTEMS | 01823833 | 23/04/1999 | 31/01/2001 | Bronze |
| IPC INFORMATION SYSTEMS | 01823833 | 11/08/1998 | 20/12/2001 | Bronze |
| IPC UK HOLDINGS LIMITED | 03671678 | 21/06/1999 | 31/01/2001 | Silver |
| IPC UK HOLDINGS LIMITED | 03671678 | 21/06/1999 | 20/12/2001 | Silver |
| IPC UK SPC LIMITED | 03791565 | 14/06/1999 | 31/01/2001 | Not Trading |
| IPC UK SPC LIMITED | 03791565 | 14/06/1999 | 20/12/2001 | Not Trading |
| Response Department Ltd | 04859347 | 30/03/2004 | 30/06/2005 | Dissolved |
| V BAND LIMITED | 01855636 | 23/11/2000 | 31/01/2001 | Not Trading |
| V BAND LIMITED | 01855636 | 22/06/1999 | 20/12/2001 | Not Trading |