| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| ALAYA SAMADHI LIMITED | 05693989 | 01/02/2006 | Dissolved |
| ASIL NONREG LIMITED | 10963283 | 14/09/2017 | Silver |
| Air Call Inbound Ltd | 02351881 | 17/12/1991 | Dissolved |
| Cellular Radio (London) Ltd | 01065034 | 17/12/1991 | Dissolved |
| Cellular Radio Ltd | 01327907 | 17/12/1991 | Dissolved |
| Company No 1589284 Ltd | 01589284 | 17/12/1991 | Dissolved |
| Digital Paging Systems (U K) Ltd | 01949327 | 01/01/1992 | Dissolved |
| G S C Bank Services Ltd | 01529532 | 01/01/1992 | Dissolved |
| Graphnet U K Ltd | 01642474 | 01/01/1992 | Dissolved |
| Jolis Ltd | 04905808 | 19/09/2003 | Dissolved |
| Media Communications Ltd | 01661243 | 17/12/1991 | Dissolved |
| Pagenet Holdings Ltd | 02226896 | 16/12/1991 | Dissolved |
| Pagenet Ltd | 02226589 | 16/12/1991 | Dissolved |
| THE SECOND SCOTTS ATLANTIC DISTRIBUTORS LLP | OC305433 | 26/02/2004 | Insolvent |
| THE THIRD SCOTTS ATLANTIC DISTRIBUTORS LLP | OC305875 | 25/03/2004 | Insolvent |
| bordercoms ltd | SC086819 | 26/03/1991 | Dissolved |
| selective audio messages ltd | 02056355 | 17/12/1991 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| ALLIANCE & LEICESTER LIMITED | 03263713 | 08/05/2000 | 13/10/2008 | Not Trading |
| Air Call Holdings Ltd | 01988431 | 17/12/1991 | 22/10/1993 | Dissolved |
| Air Call Sites Ltd | 01549774 | 17/12/1991 | 22/10/1993 | Dissolved |
| Bellsouth Ltd | 01718104 | 19/01/1993 | 17/04/1994 | Dissolved |
| Bellsouth Properties (U K) | 02740903 | 04/01/1993 | 17/08/1994 | Dissolved |
| CALLSHOP ETC. LIMITED | 03114251 | 20/11/2000 | 18/12/2002 | Dissolved |
| COLT TECHNOLOGY SERVICES | 02452736 | 20/11/2000 | 16/12/2002 | Amber |
| Connectivityman Ltd | 04498998 | 04/08/2005 | 23/02/2006 | Dissolved |
| DIGITAL MOBILE COMMUNICATIONS LIMITED | 01503685 | 08/07/1991 | 22/10/1993 | Dissolved |
| Dietbrown Ltd | 05690534 | 30/06/2006 | 08/01/2007 | Dissolved |
| N B T Realisations Ltd | 02672488 | 19/09/1994 | 12/02/1998 | Dissolved |
| TIALIS ESSENTIAL IT PLC | SC368538 | 21/01/2016 | 09/01/2018 | Amber |
| VODA LIMITED | 01847509 | 31/10/1991 | 24/03/1992 | Dissolved |
| VODAFONE PAGING LIMITED | 01964836 | 17/12/1991 | 22/10/1993 | Dissolved |
| VODAFONE UK INVESTMENTS LIMITED | 00874784 | 17/12/1991 | 22/10/1993 | Dissolved |
| Vodazap Ltd | 01608019 | 17/12/1991 | 22/10/1993 | Dissolved |