| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| AGRIFUTURA LIMITED | 04663273 | 11/02/2003 | Dissolved |
| East Anglia Processors Ltd | 02086379 | 30/04/1991 | Dissolved |
| GOODERSTONE PROPERTY DEVELOPMENT COMPANY LIMITED | 02015079 | 07/12/1991 | Silver |
| J.C. Harrison Limited | 02023037 | 05/07/1990 | Dissolved |
| KNIGHTS & KNIGHTS LIMITED | 06136663 | 05/03/2007 | Dissolved |
| Knight,W H,& Sons (Builders) Ltd | 01065583 | 29/12/1991 | Dissolved |
| Knight,W H,& Sons (Builders) Ltd | 01065583 | 29/12/1991 | Dissolved |
| NARBOROUGH PROPERTY DEVELOPMENTS LTD | 09341154 | 04/12/2014 | Dissolved |
| Pbck | 03256000 | 27/09/1996 | Dissolved |
| The Quality Produce Co Ltd | 03588647 | 30/10/1998 | Dissolved |
| W.H. Knights & Sons Ltd | 03567776 | 20/05/1998 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| ECOSPRAY LIMITED | 03221908 | 23/08/1996 | 17/03/2021 | Gold |
| GOODERSTONE PROPERTY DEVELOPMENT COMPANY LIMITED | 02015079 | 07/12/1991 | 01/12/1998 | Silver |
| KNIGHTS FARMS LIMITED | 02712700 | 07/05/1993 | 14/06/2014 | Three Red Flags (Highest) |
| KNIGHTS FOODS LIMITED | 03564732 | 15/05/1998 | 17/06/2014 | Three Red Flags (Highest) |
| NARBOROUGH FARMS LIMITED | 03377808 | 29/05/1997 | 01/12/1998 | Dissolved |
| NARBOROUGH FARMS LIMITED | 03377808 | 29/05/1997 | 14/06/2014 | Dissolved |
| NORFOLK WILDLIFE TRUST | 00217338 | 18/10/2002 | 16/10/2008 | Gold |
| Pbck | 03256000 | 27/09/1996 | 01/12/1998 | Dissolved |
| TATTERSETT FARMS LIMITED | 03369039 | 09/03/2009 | 14/06/2014 | Dissolved |
| THE COUNTRYSIDE REGENERATION TRUST LTD | 07320026 | 14/10/2011 | 08/09/2020 | Silver |
| W.H. Knights & Sons Ltd | 03567776 | 20/05/1998 | 01/12/1998 | Dissolved |