| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| A.L.ALSTON AND COMPANY LIMITED | 00567299 | 11/09/1991 | Silver |
| DAVID ALSTON (NORFOLK) LIMITED | 00546480 | 19/08/2016 | Amber |
| GAG329 LIMITED | 07522053 | 01/08/2011 | Dissolved |
| GAYTON CEREAL SEEDS LIMITED | 00154718 | 27/06/1991 | Silver |
| GOLDSMITH BROTHERS,LIMITED | 00493479 | 27/06/1991 | Bronze |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| A.L.ALSTON AND COMPANY LIMITED | 00567299 | 11/09/1991 | 24/03/2005 | Silver |
| NOVERRE HOUSE MANAGEMENT COMPANY LIMITED | 03799397 | 31/08/2005 | 01/08/2022 | Gold |
| PAWSEY HOLDINGS COMPANY LIMITED | 07521941 | 10/08/2011 | 10/08/2011 | Silver |
| SHIMPLING PARK FARMS LIMITED | 00546481 | 21/06/1991 | 10/08/2011 | Silver |