| ALDRIDGE, Michael James Stephen ACTIVE | Director | 29 Oct 1997 | | United Kingdom | May 1959 | Balloch House, Crieff, Perthshire, PH7 4JB, Scotland |
| COUPS, Henry Joseph ACTIVE | Director | 03 Sep 2024 | | England | October 1990 | Grimsthorpe, Estate Office, Bourne, Lincolnshire, PE10 0LY, England |
| HALL, Anthony William James ACTIVE | Director | 26 Sep 2017 | | England | August 1977 | The Estate Office, Glynne Way, Hawarden, Flintshire, CH5 3NX, United Kingdom |
| MILLER, Sebastian St Maur ACTIVE | Director | 24 Sep 2020 | | England | February 1965 | Grimsthorpe Castle, Grimsthorpe, Bourne, PE10 0LZ, England |
| WILLOUGHBY DE ERESBY, Jane, Lady ACTIVE | Director | | | England | December 1934 | Grimsthorpe Castle, Bourne, Lincs, PE10 0LZ, England |
| CHALMERS, Norman Ashley RESIGNED | Secretary | | 10 Jul 2024 | | | Brook House, Templewood Land, Farnham Common, Buckinghamshire, SL2 3HW, United Kingdom |
| AIRD, Priscilla, The Right Honourable Lady RESIGNED | Director | | 29 Oct 1997 | | October 1909 | Wingrove House, Chipping Campden, Gloucester, Gloucestershire, GL65 6DL |
| CHALMERS, Norman Ashley RESIGNED | Director | | 10 Jul 2024 | United Kingdom | June 1933 | Brook House, Templewood Land, Farnham Common, Buckinghamshire, SL2 3HW, United Kingdom |
| GARSON, James Leslie RESIGNED | Director | 29 Oct 1997 | 17 Nov 1999 | | May 1928 | Hill Farm, Elsfield, Oxford, Oxfordshire, OX3 9SW |
| HALL, William Francis Edward RESIGNED | Director | 23 Nov 2004 | 26 Sep 2017 | United Kingdom | February 1945 | 11 Glynne Way, Hawarden, Deeside, Clwyd, CH5 3NX |
| LAIRD, David Logan RESIGNED | Director | 09 Sep 2011 | 31 Dec 2025 | Scotland | April 1937 | East Memus, Forfar, Angus, DD8 3TY, Scotland |
| PRITCHARD, Owen RESIGNED | Director | | 29 Oct 1997 | | September 1927 | Estate Office Fron, Town Hill, Llanrwst, Gwynedd, LL26 0NF |