| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| Berry Finance Ltd | 00761392 | 14/03/1995 | Dissolved |
| Softonly Ltd | 02936678 | 24/11/1994 | Dissolved |
| UNITED KINGDOM SHAREHOLDERS' ASSOCIATION LIMITED | 04541415 | 14/04/2020 | Silver |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| ARTEMIS UK FUTURE LEADERS PLC | 02129187 | 14/03/1995 | 21/03/2000 | Bronze |
| BERRY STARQUEST LIMITED | 00802848 | 14/03/1995 | 21/03/2000 | Dissolved |
| INVESCO ADMINISTRATION SERVICES LIMITED | 02199428 | 01/10/1997 | 23/09/2003 | Insolvent |
| INVESCO ASSET MANAGEMENT LIMITED | 00949417 | 07/05/2009 | 31/10/2011 | Gold |
| INVESCO FUND MANAGERS LIMITED | 00898166 | 07/05/2009 | 31/10/2011 | Silver |
| INVESCO PERPETUAL EUROPEAN ABSOLUTE RETURN TRUST PLC | 02335976 | 06/08/1997 | 27/04/2000 | Dissolved |
| PERPETUAL INCOME AND GROWTH INVESTMENT TRUST PLC | 03156676 | 02/02/1996 | 02/02/2000 | Insolvent |
| Perpetual Japanese Investment Trust Plc | 02823977 | 12/09/1994 | 09/03/2000 | Dissolved |