| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| CENTRE FOR REAL ASSET MANAGEMENT LIMITED | 10413893 | 06/10/2016 | Dissolved |
| FLASHETTS & QUIDHAMPTON MILL CONSERVATION AREA LTD | 13032626 | 23/01/2021 | Not Trading |
| FRIENDS OF ETZ HAYYIM LIMITED | 08073720 | 17/05/2012 | Dissolved |
| GILBERT WHITE & THE OATES COLLECTIONS | 09069349 | 26/10/2021 | Bronze |
| LAND AND URBAN ANALYSIS LIMITED | 01992432 | 25/10/1991 | Dissolved |
| WINCHESTER EXCAVATIONS COMMITTEE | 12175988 | 27/08/2019 | Silver |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| AUTHENTICATE INFORMATION SYSTEMS LIMITED | 08584179 | 22/01/2016 | 12/09/2018 | Amber |
| BLUEOPTIMA LIMITED | 05938886 | 01/03/2016 | 31/01/2024 | Bronze |
| COMMON GROUND | 01645674 | 25/02/1998 | 14/05/2018 | Gold |
| EQUITY PROPERTY DATABANK LTD. | 02721128 | 02/06/1992 | 06/12/2013 | Dissolved |
| GREATER LONDON PUBLISHING LIMITED | 04219424 | 05/09/2001 | 03/08/2007 | Dissolved |
| INVESTMENT PROPERTY DATABANK LIMITED | 01879480 | 25/10/1991 | 06/12/2013 | One Red Flag |
| IPD GROUP LIMITED | 02357371 | 08/03/1992 | 24/03/1992 | Bronze |
| IPD GROUP LIMITED | 02357371 | 08/03/1992 | 06/12/2013 | Bronze |
| IPD TRUSTEE LIMITED | 07419868 | 26/10/2010 | 11/09/2013 | Dissolved |
| IPF LIMITED | 02721127 | 02/06/1992 | 02/04/2001 | Not Trading |
| PROPERTY INVESTMENT EXCHANGE LIMITED | 04074325 | 18/01/2005 | 16/02/2007 | Dissolved |
| REDOPTIMA LIMITED | 11404411 | 01/06/2021 | 09/12/2021 | Silver |
| TALUPP LIMITED | 10108399 | 01/01/2020 | 24/07/2023 | Bronze |
| VOB 23 LIMITED | 02607683 | 15/07/1991 | 03/05/1994 | Dissolved |
| WHITCHURCH SILK MILL (TRADING) LIMITED | 01968546 | 19/09/2013 | 07/04/2015 | Gold |
| WHITCHURCH SILK MILL TRUST | 02506000 | 19/09/2013 | 07/04/2015 | Gold |
| YORKSHIRE SCULPTURE PARK | 03498700 | 06/11/2013 | 29/11/2023 | Silver |