| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| IBT SECURITIES LIMITED | 04987678 | 20/02/2004 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| AMUNDI (UK) LIMITED | 01753527 | 10/04/1992 | 16/10/2000 | Silver |
| AVIVA INTERNATIONAL INSURANCE LIMITED | 00021487 | 01/01/1994 | 31/12/1998 | Gold |
| AVIVA INVESTORS GLOBAL SERVICES LIMITED | 01151805 | 19/03/1992 | 01/04/2001 | Gold |
| AVIVA INVESTORS HOLDINGS LIMITED | 02045601 | 23/03/1992 | 01/04/2001 | Silver |
| BAILLIE GIFFORD UK GROWTH TRUST PLC | 02894077 | 18/06/2001 | 04/08/2016 | Silver |
| BRITANNIC UK INCOME SECURITIES PLC | SC220327 | 26/06/2001 | 11/08/2006 | Dissolved |
| BRITANNIC UK INCOME TRUST PLC | SC220328 | 26/06/2001 | 11/08/2006 | Dissolved |
| CANADA LIFE ASSET MANAGEMENT LIMITED | 03846821 | 04/06/2015 | 31/08/2023 | Amber |
| Cgnu Investment Holdings Ltd | 01996683 | 30/06/1992 | 01/11/2000 | Dissolved |
| Cgu Financial Management Ltd | 02084203 | 01/10/1993 | 10/10/1996 | Dissolved |
| Cgu Special Investments Ltd | 01070132 | 29/01/1999 | 01/04/2001 | Dissolved |
| Commercial Union (No 25) Ltd | 02026410 | 13/03/1992 | 01/04/2001 | Dissolved |
| Commercial Union Investments Ltd | 01189562 | 30/06/1992 | 10/07/2000 | Dissolved |
| Commercial Union Nominees Ltd | 02045603 | 30/06/1992 | 10/07/2000 | Dissolved |
| G A Investment Management Services Ltd | 02426348 | 30/09/1998 | 10/07/2000 | Dissolved |
| GARTMORE BALANCED ASSETS TRUST PLC | 03833163 | 14/05/2001 | 01/11/2004 | Dissolved |
| GBAT SECURITIES PLC | 03833167 | 04/06/2001 | 01/11/2004 | Dissolved |
| Gaflac Nominees Ltd | SC033274 | 30/09/1998 | 10/07/2000 | Dissolved |
| HARWOOD HOLDCO LIMITED | 03628075 | 01/02/2008 | 26/10/2011 | Bronze |
| HENDERSON EUROPEAN MICRO TRUST PLC | 04046912 | 22/08/2000 | 26/10/2004 | Dissolved |
| INTERNATIONAL BIOTECHNOLOGY TRUST PLC | 02892872 | 21/02/2001 | 12/12/2017 | Amber |
| INVESCO GLOBAL EQUITY INCOME TRUST PLC | 05916642 | 10/01/2008 | 23/04/2021 | Silver |
| JPMORGAN JAPAN SMALL CAP GROWTH & INCOME PLC | 03916716 | 19/03/2003 | 31/07/2018 | Insolvent |
| MANCHESTER CENTRAL CONVENTION COMPLEX LIMITED | 00953285 | 01/07/2003 | 09/06/2005 | Gold |
| MORLEY PROPERTIES LIMITED | 00875470 | 25/01/1991 | 22/12/2000 | Dissolved |
| Morley,Geoffrey,Unit Managers Ltd | 02059331 | 29/06/1991 | 01/04/2001 | Dissolved |
| PRINCIPLE CAPITAL INVESTMENTS LIMITED | 05580828 | 04/10/2005 | 26/03/2009 | Silver |
| QUILTER CHEVIOT LIMITED | 01923571 | 19/03/1992 | 13/03/2001 | Gold |
| Quilter Holdings Ltd | 03061140 | 22/04/1996 | 13/03/2001 | Dissolved |
| RBS COLLECTIVE INVESTMENT FUNDS LIMITED | SC046694 | 19/07/1991 | 01/10/1993 | Gold |
| UNDERSHAFT (NUL) UK LIMITED | 01117445 | 19/10/1998 | 10/07/2000 | Dissolved |
| UNDERSHAFT WG LIMITED | 04344611 | 10/09/2003 | 22/06/2006 | Dissolved |