| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| Tqm/Polycon Ltd | 02718113 | 10/09/2008 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| ASCENTIAL UK HOLDINGS LIMITED | 00537204 | 16/01/1995 | 11/04/1997 | Bronze |
| AUDIT BUREAU OF CIRCULATIONS LIMITED | 00259647 | 02/10/1995 | 06/03/1997 | Silver |
| Camrus Ltd | 02755661 | 13/11/1992 | 30/01/1994 | Dissolved |
| EMAP PUBLIC SECTOR MANAGEMENT LIMITED | 01473013 | 16/01/1995 | 11/04/1997 | Dissolved |
| Emap Readerlink Ltd | 00403137 | 16/01/1995 | 11/04/1997 | Dissolved |
| Emap Support Services Ltd | 03039726 | 10/04/1995 | 11/04/1997 | Dissolved |
| Hyde Chemical Publications Ltd | 01300730 | 14/05/1991 | 30/06/1992 | Dissolved |
| LAFFERTY GROUP LIMITED | 01547145 | 30/03/2001 | 09/07/2001 | Dissolved |
| LNRS DATA SERVICES LIMITED | 00151537 | 14/05/1991 | 30/06/1992 | Silver |
| Lafferty Business Research Ltd | 01751978 | 30/03/2001 | 09/07/2001 | Dissolved |
| Lafferty Councils Ltd | 03270959 | 30/03/2001 | 09/07/2001 | Dissolved |
| REFINITIV UK FINANCIAL LIMITED | 02012235 | 12/01/1999 | 14/08/2000 | Not Trading |
| UBM CANON UK LIMITED | 04962066 | 02/12/2003 | 30/12/2003 | Dissolved |
| UBM CANON UK LIMITED | 04962066 | 02/12/2003 | 28/02/2006 | Dissolved |
| ULTIMA MEDIA LIMITED | 04961988 | 02/12/2003 | 30/12/2003 | Bronze |