| GAULT, Dorothy Agnes Dickson ACTIVE | Secretary | 05 Mar 1996 | | | | Maxwelton House, Moniaive, Thornhill, Dumfriesshire, DG3 4DX |
| ABBOTT, Allan David ACTIVE | Director | 10 May 2007 | | Scotland | January 1970 | C/O Houghton Hall Garden Centre, Houghton, Carlisle, CA6 4JB |
| ALLAN, Sharon ACTIVE | Director | 03 Apr 2006 | | United Kingdom | May 1971 | C/O Houghton Hall Garden Centre, Houghton, Carlisle, CA6 4JB, United Kingdom |
| GAULT, Dorothy Agnes Dickson ACTIVE | Director | 05 Mar 1996 | | Scotland | April 1945 | C/O Houghton Hall Garden Centre, Houghton, Carlisle, CA6 4JB |
| HESTER, Anthony Paul ACTIVE | Director | 30 Jun 2025 | | England | March 1975 | C/O Houghton Hall Garden Centre, Houghton, Carlisle, CA6 4JB |
| ROBB, David Alan ACTIVE | Director | 01 Feb 2013 | | Scotland | December 1960 | Head Office, Beancross Road, Polmont, Falkirk, FK2 0XS, Scotland |
| SMITH, Andrew ACTIVE | Director | 30 Jun 2025 | | England | March 1971 | C/O Houghton Hall Garden Centre, Houghton, Carlisle, CA6 4JB |
| STONES, Jacqueline ACTIVE | Director | 01 Apr 2023 | | Scotland | February 1968 | C/O Houghton Hall Garden Centre, Houghton, Carlisle, CA6 4JB |
| YARDLEY, William David ACTIVE | Director | 11 Apr 1996 | | United Kingdom | October 1964 | C/O Houghton Hall Garden Centre, Houghton, Carlisle, CA6 4JB, United Kingdom |
| STEWART, William Joseph RESIGNED | Secretary | | 05 Mar 1996 | | | 12 Woodland Way, Long Newton, Cleveland, TS21 1DJ |
| BENNIE, Thomas RESIGNED | Director | 27 Mar 2001 | 01 Feb 2013 | Scotland | November 1932 | Nodsdale Falkirk Road, Linlithgow, West Lothian, EH49 7BQ |
| CONWAY, John Gerard RESIGNED | Director | 03 Jun 1996 | 14 Feb 2004 | | June 1960 | 19 Menteith View, Dunblane, Perthshire, FK15 0PD |
| DELAMORE, Alan Keith RESIGNED | Director | | 05 Mar 1996 | | July 1939 | Pear Tree Cottage, Borrowby, Thirsk, N Yorkshire, YO7 4QP |
| DRACUP, Ben M RESIGNED | Director | 11 Apr 1996 | 28 Aug 1998 | | October 1933 | 1 Cluny Avenue, Bearsden, Glasgow, Lanarkshire, G61 2JQ |
| FEENEY, Keren RESIGNED | Director | 01 Mar 2018 | 17 Feb 2023 | England | August 1969 | C/O Houghton Hall Garden Centre, Houghton, Carlisle, CA6 4JB |
| GAULT, Robert David RESIGNED | Director | 05 Mar 1996 | 15 Feb 2011 | Scotland | March 1945 | Maxwelton Estate, Moniaive, Thornhill, Dumfriesshire, DG3 4DX |
| HEWITT, Robert John RESIGNED | Director | 03 Apr 2006 | 31 Dec 2024 | United Kingdom | December 1956 | C/O Houghton Hall Garden Centre, Houghton, Carlisle, CA6 4JB |
| HUSTWAYTE, David John RESIGNED | Director | 01 Jun 2010 | 31 Dec 2017 | Scotland | July 1949 | C/O Houghton Hall Garden Centre, Houghton, Carlisle, CA6 4JB, United Kingdom |
| MCGHEE, Edward Douglas RESIGNED | Director | 01 Jan 1999 | 24 Aug 2017 | Scotland | January 1955 | 7 Easdale Place, Newton Mearns, Glasgow, Lanarkshire, G77 6XD |
| SEABROOK, Peter John RESIGNED | Director | | 05 Mar 1996 | | November 1935 | 213 Beehive Lane, Chelmsford, Essex, CM2 9SH |
| STEWART, William Joseph RESIGNED | Director | 11 Apr 1996 | 31 Dec 2016 | England | February 1951 | 12 Woodland Way, Long Newton, Cleveland, TS21 1DJ |
| STRIKE, James Arthur RESIGNED | Director | | 05 Mar 1996 | | April 1907 | Heather Brae Pinchinthorpe, Guisborough, Cleveland, TS14 8HE |
| STRIKE, Richard John Antony RESIGNED | Director | 01 Sep 1993 | 30 Sep 1994 | | March 1966 | 32 Oakland Road, Jesmond, Newcastle Upon Tyne, NE2 3DR |
| STRIKE, Waynman John Benskin RESIGNED | Director | | 05 Mar 1996 | | May 1937 | Southlands 48a Hartburn Village, Stockton On Tees, Cleveland, TS18 5DS |