| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| BLACKROCK THROGMORTON TRUST PLC | 00594634 | 10/06/2020 | Silver |
| DUNEDIN ENTERPRISE INVESTMENT TRUST PLC | SC052844 | 01/06/2015 | Silver |
| LONDON LANE SERVICES LIMITED | 06288415 | 21/06/2007 | Dissolved |
| PACIFIC HORIZON INVESTMENT TRUST PLC | 02342193 | 01/10/2018 | Silver |
| ROSERROW MANAGEMENT COMPANY LIMITED | 03163966 | 05/05/2019 | Silver |
| SERAPHIM SPACE INVESTMENT TRUST PLC | 13395698 | 01/01/2022 | Bronze |
| SHERBORNE SCHOOL (LEISURE) LIMITED | 04332724 | 25/11/2017 | One Red Flag |
| SHERBORNE SCHOOL (TRADING) LIMITED | 02747901 | 25/11/2017 | One Red Flag |
| SHERBORNE SCHOOLS GROUP | 04002575 | 28/11/2015 | Silver |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| 3I PLC | 00397156 | 26/09/2000 | 23/07/2003 | Silver |
| BOURNEMOUTH WATER INVESTMENTS LIMITED | 05321147 | 08/07/2010 | 31/03/2016 | Dissolved |
| BOURNEMOUTH WATER LIMITED | 02924312 | 01/07/2009 | 31/03/2016 | Dissolved |
| BWH ENTERPRISES LIMITED | 03764413 | 09/04/2010 | 31/03/2016 | Dissolved |
| CONDUIT ACCOUNTING SERVICES LIMITED | 07836771 | 07/11/2011 | 06/05/2015 | Dissolved |
| CONDUIT PEOPLE MANAGEMENT LIMITED | 06577462 | 03/11/2011 | 06/05/2015 | Dissolved |
| CYGNET CLIFTON LIMITED | 06486927 | 25/06/2009 | 05/09/2014 | Silver |
| FISHAWACK HOLDCO LIMITED | 06445583 | 01/05/2011 | 28/03/2013 | Dissolved |
| HAVISHAM ASSOCIATES LIMITED | 06804256 | 08/01/2010 | 22/12/2017 | Amber |
| HAVISHAM LANE LIMITED | 08461438 | 25/03/2013 | 17/06/2019 | Insolvent |
| HUNTSWOOD CTC LIMITED | 03969379 | 02/11/2005 | 29/07/2010 | Bronze |
| SCOTT DUNN LIMITED | 02021650 | 01/11/2008 | 30/11/2010 | Bronze |
| SEMBCORP UTILITIES (BOURNEMOUTH) LIMITED | 06532827 | 01/07/2009 | 09/04/2010 | Dissolved |
| SHERBORNE SCHOOLS WORLDWIDE LIMITED | 10730155 | 19/04/2017 | 20/04/2023 | One Red Flag |
| SMART & COOK HOLDINGS LIMITED | 04950508 | 20/10/2006 | 23/04/2007 | Dissolved |
| THE SHERBORNE SCHOOL FOUNDATION | 03686309 | 08/06/2007 | 03/10/2022 | One Red Flag |
| WILLIAMS LEA GROUP LIMITED | 01627560 | 26/02/2004 | 21/03/2006 | Silver |