| DALLAS, Allan William ACTIVE | Director | 02 Jun 2021 | | United Kingdom | August 1961 | Control Works, Treefield Industrial Estate, Gildersome, Leeds, LS27 7JU |
| JESSUP, David Alan ACTIVE | Director | 01 Aug 2003 | | England | June 1971 | Control Works, Treefield Industrial Estate, Gildersome, Leeds, LS27 7JU |
| MACGREGOR, Iain Ross ACTIVE | Director | 02 Jun 2021 | | United Kingdom | January 1982 | Control Works, Treefield Industrial Estate, Gildersome, Leeds, LS27 7JU |
| SOMERS, Jonathan Mark ACTIVE | Director | | | England | November 1968 | Control Works, Treefield Industrial Estate, Gildersome, Leeds, LS27 7JU |
| MOUNTAIN, Paul RESIGNED | Secretary | 16 May 2005 | 31 Jan 2018 | | | Control Works, Treefield Industrial Estate, Gildersome, Leeds, LS27 7JU |
| SOMERS, Pamela Margaret RESIGNED | Secretary | | 16 May 2005 | | | 173 Scotchman Lane, Morley, Leeds, West Yorkshire, LS27 0NY |
| BRIARIS, Dennis Alan, Dr RESIGNED | Director | 01 Mar 1994 | 01 Aug 2003 | | June 1948 | 14 The Bryn, Sketty, Swansea, West Glamorgan, SA2 8DD |
| FLETCHER, David RESIGNED | Director | 01 Aug 2003 | 25 Nov 2016 | England | January 1954 | Control Works, Treefield Industrial Estate, Gildersome, Leeds, LS27 7JU |
| FOSTER, Nigel Peter RESIGNED | Director | 01 Aug 2003 | 02 Jun 2021 | England | June 1966 | Control Works, Treefield Industrial Estate, Gildersome, Leeds, LS27 7JU |
| HUTCHINSON, Christopher Paul RESIGNED | Director | 08 Sep 2020 | 02 Jun 2021 | England | July 1978 | Control Works, Treefield Industrial Estate, Gildersome, Leeds, LS27 7JU |
| LIVINGSTON, Mark David RESIGNED | Director | 02 Jun 2021 | 28 Feb 2025 | United Kingdom | March 1973 | Control Works, Treefield Industrial Estate, Gildersome, Leeds, LS27 7JU |
| MILLER, Derek RESIGNED | Director | 01 Dec 1994 | 01 Aug 2003 | | February 1935 | 3 Park Gate Close, Horsforth, Leeds, West Yorkshire, LS18 5SS |
| MOUNTAIN, Paul RESIGNED | Director | | 31 Jan 2018 | England | August 1952 | Control Works, Treefield Industrial Estate, Gildersome, Leeds, LS27 7JU |
| SCALLY, Mark RESIGNED | Director | 05 Jan 2018 | 02 Jun 2021 | England | February 1969 | Control Works, Treefield Industrial Estate, Gildersome, Leeds, LS27 7JU |
| SHAKESPEARE, Barry RESIGNED | Director | | 07 Jan 1994 | | August 1939 | 4 Grange Close, Badsworth, Pontefract, West Yorkshire, WF9 1AD |
| SOMERS, David Keith RESIGNED | Director | | 01 Aug 2003 | | September 1943 | 173 Scotchman Lane, Morley, Leeds, West Yorkshire, LS27 0NY |
| SOMERS, Pamela Margaret RESIGNED | Director | | 01 Aug 2003 | | June 1945 | 173 Scotchman Lane, Morley, Leeds, West Yorkshire, LS27 0NY |
| STEWART, Neil Capsey RESIGNED | Director | 01 Aug 2003 | 01 Dec 2018 | England | June 1966 | Control Works, Treefield Industrial Estate, Gildersome, Leeds, LS27 7JU |