| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| ALTUS RECORDS LIMITED | 03571252 | 28/05/1998 | Gold |
| BIG GAME TELEVISION LIMITED | 05282858 | 10/11/2004 | Dissolved |
| BIG GAME TELEVISION LIMITED | 05282858 | 10/11/2004 | Dissolved |
| BIG GAME TV LIMITED | 05279872 | 08/11/2004 | Dissolved |
| BIG GAME TV LIMITED | 05279872 | 08/11/2004 | Dissolved |
| CLAUDE HOPPER PRODUCTIONS LIMITED | 01291299 | 17/09/1990 | Dissolved |
| FIRED EARTH MUSIC LIMITED | 06854533 | 21/03/2009 | Silver |
| FIREWORKS MUSIC LIMITED | 01839115 | 25/02/1991 | Bronze |
| FIRSTWORKS MUSIC INTERNATIONAL LIMITED | 05916400 | 01/10/2007 | Gold |
| FIRSTWORKS MUSIC ITALIA LIMITED | 07439109 | 15/11/2010 | Gold |
| FIRSTWORKS MUSIC LIMITED | 04452198 | 30/05/2002 | Gold |
| GOODWEB LIMITED | 03869151 | 20/12/1999 | Dissolved |
| GOODWEB LIMITED | 03869151 | 25/11/1999 | Dissolved |
| KEEPY UPPY LIMITED | 04450610 | 28/12/2007 | Gold |
| KEEPY UPPY LIMITED | 04450610 | 29/05/2002 | Gold |
| LITTLE ASSEMBLY LIMITED | 08613625 | 17/07/2013 | Silver |
| Mars Secure on-Line Services Ltd | 02950756 | 20/07/1994 | Dissolved |
| Multimedia Archive & Retrieval Systems Ltd | 03602059 | 20/12/1999 | Dissolved |
| Multimedia Archive & Retrieval Systems Ltd | 03602059 | 23/10/1998 | Dissolved |
| PICTURE THIS LIMITED | 05193158 | 29/07/2004 | Dissolved |
| PICTURE THIS LIMITED | 05193158 | 29/07/2004 | Dissolved |
| Picture This The Game Ltd | 05014933 | 14/01/2004 | Dissolved |
| Picture This The Game Ltd | 05014933 | 14/01/2004 | Dissolved |
| REFUEL MUSIC LIMITED | 07284695 | 15/06/2010 | Gold |
| Round Key Ltd | 03672171 | 10/02/1999 | Dissolved |
| Round Key Ltd | 03672171 | 10/02/1999 | Dissolved |
| STARTLE DISTRIBUTION LIMITED | 02392220 | 20/12/1999 | Dissolved |
| STARTLE LIGHTNING EXPORT LIMITED | 02533050 | 20/12/1999 | Dissolved |
| STARTLE ONLINE LIMITED | 03041234 | 20/12/1999 | Dissolved |
| STARTLE ONLINE LIMITED | 03041234 | 03/04/1995 | Dissolved |
| STARTLE PLC | 03940985 | 01/03/2000 | Dissolved |
| STARTLE PLC | 03940985 | 01/03/2000 | Dissolved |
| Safestix Ltd | 05210094 | 19/08/2004 | Dissolved |
| Safestix Ltd | 05210094 | 19/08/2004 | Dissolved |
| Startle 24-7 Ltd | 03602058 | 20/12/1999 | Dissolved |
| Startle Digital Marketing Ltd | 03366505 | 20/12/1999 | Dissolved |
| Startle Digital Marketing Ltd | 03366505 | 20/12/1999 | Dissolved |
| Startle E-Commerce Plc | 03703818 | 20/12/1999 | Dissolved |
| Startle E-Commerce Plc | 03703818 | 20/12/1999 | Dissolved |
| Startle Worldwide Ltd | 03887678 | 28/02/2000 | Dissolved |
| Startle Worldwide Ltd | 03887678 | 07/12/1999 | Dissolved |
| TV IGNITE LIMITED | 08230824 | 01/11/2012 | Silver |
| Terrier Tv Ltd | 05766361 | 03/04/2006 | Dissolved |
| Terrier Tv Ltd | 05766361 | 03/04/2006 | Dissolved |
| The Internet Worldwide Ltd | 03039276 | 29/03/1996 | Dissolved |
| The London Scoring House Ltd | 03409546 | 25/07/1997 | Dissolved |
| The Poker Academy Ltd | 05484045 | 17/06/2005 | Dissolved |
| The Poker Academy Ltd | 05484045 | 17/06/2005 | Dissolved |
| The Total Record Co Ltd | 02363615 | 21/03/1992 | Dissolved |
| Torchtrek Limited | 01851087 | 16/05/1991 | Dissolved |
| Total Recall Ltd | 02513109 | 28/04/1992 | Dissolved |
| Vision Music Ltd | 02256821 | 12/11/1992 | Dissolved |
| Vision Music Ltd | 02256821 | 12/11/1992 | Dissolved |
| W1 MUSIC LIMITED | 04182697 | 19/03/2001 | Silver |
| WEST 1 MUSIC LTD | 04125852 | 14/12/2000 | Silver |
| WEST ONE MUSIC GROUP FRANCE LIMITED | 07461814 | 07/12/2010 | Gold |
| WEST ONE MUSIC GROUP LIMITED | 10108995 | 07/04/2016 | Bronze |
| WEST ONE MUSIC LIMITED | 03955295 | 13/08/2002 | Bronze |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| ABACO PUBLISHING LIMITED | 05143290 | 06/08/2004 | 21/12/2005 | Dissolved |
| CLASSIC ROCK LIMITED | 01336516 | 31/12/1990 | 12/10/2012 | Dissolved |
| ERICSSON BROADCAST SERVICES UK LIMITED | 03008512 | 29/03/1995 | 29/03/1995 | Dissolved |
| ERICSSON BROADCAST SERVICES UK LIMITED | 03008512 | 29/03/1995 | 20/12/1999 | Dissolved |
| FIREWORKS MUSIC LIMITED | 01839115 | 25/02/1991 | 04/03/2011 | Bronze |
| FIRSTWORKS MUSIC INTERNATIONAL LIMITED | 05916400 | 25/08/2006 | 31/03/2011 | Gold |
| FIRSTWORKS MUSIC LIMITED | 04452198 | 30/05/2002 | 04/03/2011 | Gold |
| JOINT FUNDING PARTNERS LIMITED | 02553282 | 30/10/1992 | 20/12/1999 | Dissolved |
| KEEPY UPPY LIMITED | 04450610 | 29/05/2002 | 30/05/2005 | Gold |
| PROAMPAC LONDON LIMITED | 03188948 | 23/04/1996 | 18/04/1997 | Gold |
| STARTLE DISTRIBUTION LIMITED | 02392220 | 20/12/1999 | 01/11/2000 | Dissolved |
| STARTLE LIGHTNING EXPORT LIMITED | 02533050 | 19/12/1999 | 01/11/2000 | Dissolved |
| Startle 24-7 Ltd | 03602058 | 23/10/1998 | 01/11/2000 | Dissolved |
| TELSTAR MUSIC LIMITED | 02516457 | 28/06/1991 | 30/06/1997 | Dissolved |
| TELSTAR VIDEO ENTERTAINMENT LIMITED | 02361527 | 18/06/1991 | 01/10/1993 | Dissolved |
| TRACK ONE LOGISTICS LIMITED | 03668091 | 20/12/1999 | 01/11/2000 | Dissolved |
| Telstar Electronic Studios Ltd | 02370240 | 05/10/1993 | 20/12/1999 | Dissolved |
| Telstar Electronic Studios Rights Ltd | 03197679 | 13/05/1996 | 30/06/1997 | Dissolved |
| Telstar Fun & Games Ltd | 02997781 | 02/12/1994 | 30/06/1997 | Dissolved |
| Telstar Germany Ltd | 02515341 | 25/06/1991 | 30/06/1997 | Dissolved |
| Telstar Multimedia Distribution Ltd | 02965426 | 18/01/1995 | 30/06/1997 | Dissolved |
| Telstar Music Rights Ltd | 02515338 | 23/04/1996 | 30/06/1997 | Dissolved |
| Telstar Recording Rights Ltd | 03188951 | 23/04/1996 | 30/06/1997 | Dissolved |
| Telstar Talking Books Ltd | 02261713 | 08/12/1992 | 30/06/1997 | Dissolved |
| Telstar Video Rights Ltd | 02523678 | 23/04/1996 | 30/06/1997 | Dissolved |
| The Complete Record Co Ltd | 02604650 | 24/04/1992 | 24/04/1993 | Dissolved |
| WEST ONE MUSIC LIMITED | 03955295 | 13/08/2002 | 04/03/2011 | Bronze |