| PETERS, Brenda ACTIVE | Secretary | 12 Aug 2014 | | | | Mentor House, Ainsworth Street, Blackburn, Lancashire, BB1 6AY, England |
| ASHBURNER, Danny Peter ACTIVE | Director | 01 Jun 2025 | | England | November 1997 | Mentor House, Ainsworth Street, Blackburn, Lancashire, BB1 6AY, England |
| BURY, James Andrew ACTIVE | Director | 06 Jul 2010 | | England | October 1953 | Mentor House, Ainsworth Street, Blackburn, Lancashire, BB1 6AY, England |
| ETHERINGTON, Ann-Marie ACTIVE | Director | 18 Jul 2012 | | England | April 1966 | Mentor House, Ainsworth Street, Blackburn, Lancashire, BB1 6AY, England |
| FELLOWS, Stuart Ian ACTIVE | Director | 02 Feb 2026 | | England | November 1971 | Mentor House, Ainsworth Street, Blackburn, Lancashire, BB1 6AY, England |
| HUMPHREY, Elizabeth ACTIVE | Director | 14 Sep 2022 | | England | December 1964 | Mentor House, Ainsworth Street, Blackburn, Lancashire, BB1 6AY, England |
| KNOWLES, Philip Andrew ACTIVE | Director | 14 Sep 2022 | | England | August 1962 | Mentor House, Ainsworth Street, Blackburn, Lancashire, BB1 6AY, England |
| MARTIN, Nigel Anthony ACTIVE | Director | 01 Nov 2018 | | United Kingdom | July 1966 | Mentor House, Ainsworth Street, Blackburn, Lancashire, BB1 6AY, England |
| MERRITT, Laura Petra, Dr ACTIVE | Director | 18 Jul 2012 | | England | September 1970 | Mentor House, Ainsworth Street, Blackburn, Lancashire, BB1 6AY, England |
| MORGAN, Christopher ACTIVE | Director | 01 Nov 2018 | | United Kingdom | May 1973 | Mentor House, Ainsworth Street, Blackburn, Lancashire, BB1 6AY, England |
| PETERS, Brenda ACTIVE | Director | 25 Jun 2008 | | England | March 1945 | Mentor House, Ainsworth Street, Blackburn, Lancashire, BB1 6AY, England |
| SHEPPARD, Paul Keith ACTIVE | Director | 12 Sep 2024 | | United Kingdom | October 1972 | Mentor House, Ainsworth Street, Blackburn, Lancashire, BB1 6AY, England |
| STEEL, Anna Frances, Dr ACTIVE | Director | 01 Jun 2025 | | England | July 1982 | Mentor House, Ainsworth Street, Blackburn, Lancashire, BB1 6AY, England |
| JENNINGS, Leonard RESIGNED | Secretary | 23 Mar 2012 | 12 Aug 2014 | | | Highgate, Brymton Close, Dorking, Surrey, RH4 3AU, United Kingdom |
| PACEY-DAY, Christopher RESIGNED | Secretary | 30 Jun 1993 | 23 Mar 2012 | | | 173 Clifton Road, Rugby, Warwickshire, CV21 3QN |
| SMITH, Paul RESIGNED | Secretary | 08 Sep 1992 | 30 Jun 1993 | | | 11 Bilton Lane, Dunchurch, Rugby, Warwickshire, CV22 6PY |
| COMBINED SECRETARIAL SERVICES LIMITED RESIGNED | Nominee Secretary | 08 Sep 1992 | 08 Sep 1992 | | | Victoria House, 64 Paul Street, London, EC2A 4NG |
| BANKES CHAPPLE, Roy RESIGNED | Director | 07 Oct 2004 | 25 Jun 2008 | | November 1972 | 24 Back Lane, Whittington, Staffordshire, WS14 9NH |
| BOOTH, Charlotte Lauren RESIGNED | Director | 01 Jun 2025 | 31 Dec 2025 | England | May 1994 | Mentor House, Ainsworth Street, Blackburn, Lancashire, BB1 6AY, England |
| BOWTELL, Thomas RESIGNED | Director | 10 Sep 2014 | 26 Nov 2014 | England | August 1968 | West End Cottage, High Street, Long Wittenham, Abingdon, Oxfordshire, OX14 4QD, England |
| BROOKE, Leslie John RESIGNED | Director | 30 Jun 1993 | 10 May 2003 | | December 1923 | 18 Charis Avenue, Henleaze, Bristol, BS10 5JD |
| CALDERBANK, John Thomas RESIGNED | Director | 27 Jun 2002 | 25 Jun 2008 | | March 1949 | 18 Carlton Road, Heaton Mersey, Stockport, Cheshire, SK4 3LA |
| COOPER, Clifford Brian RESIGNED | Director | 08 Sep 1992 | 30 Jun 1993 | | March 1948 | Swinnertons House Swinnertons Lane, Yelvertoft, Northampton, Northamptonshire, NN6 6LS |
| DAVISON, John William, Professor RESIGNED | Director | 08 Jun 2001 | 06 Jun 2003 | | September 1940 | 21 Badgerwood Drive, Frimley, Surrey, GU16 5UD |
| DAVISON, John William, Professor RESIGNED | Director | 23 Jul 1997 | 16 Jul 1998 | | September 1940 | 21 Badgerwood Drive, Frimley, Surrey, GU16 5UD |
| DOBELL, Keith RESIGNED | Director | 06 Jul 2010 | 20 Jul 2016 | United Kingdom | January 1948 | 30, Stone Hill Way, Brixworth, Northamptonshire, NN6 9LW, United Kingdom |
| FOULGER, David Leighton RESIGNED | Director | 22 Jul 1999 | 06 Jul 2007 | United Kingdom | April 1955 | 8 Sadberge Grove, Stockton On Tees, Cleveland, TS19 7RN |
| GILKES, Richard Kendrick RESIGNED | Director | 10 Sep 2014 | 29 Oct 2024 | United Kingdom | July 1968 | 4th Floor, Clayton House, 59 Piccadilly, Manchester, M1 2AQ, United Kingdom |
| HEMMINGS, James RESIGNED | Director | 25 Jun 1999 | 18 Jul 2012 | England | February 1945 | 3 Shelley Lane, Kirkburton, Huddersfield, West Yorkshire, HD8 0SJ |
| HEMMINGS, James RESIGNED | Director | 30 Jun 1993 | 23 Jun 1995 | England | February 1945 | 3 Shelley Lane, Kirkburton, Huddersfield, West Yorkshire, HD8 0SJ |
| JENNINGS, Leonard Raymond RESIGNED | Director | 12 Jul 2006 | 12 Aug 2014 | United Kingdom | December 1946 | Highgate Brympton Close, Dorking, Surrey, RH4 3AU |
| JONES, John Stanley RESIGNED | Director | 16 Jul 2002 | 06 Jul 2010 | | March 1943 | 4 Norburn Crescent, Formby, Liverpool, Merseyside, L37 4DB |
| LAWRENCE, Simon Gayner RESIGNED | Director | 23 Jun 1995 | 03 Jul 1997 | | February 1945 | Sackingerstrasse 1, 4310 Rheinfelden, Switzerland |
| MORPETH, Frederick Johnson RESIGNED | Director | 30 Jun 1993 | 27 Jun 2006 | United Kingdom | April 1939 | 54 Armadale Road, Bolton, Lancashire, BL3 4QB |
| MUNN, Peter William RESIGNED | Director | 06 Jun 2003 | 25 Jun 2008 | | March 1937 | 36 Tranby Lane, Anlaby, East Riding Of Yorkshire, HU10 7DS |
| MUNN, Raymond Henry Edward RESIGNED | Director | 30 Jun 1993 | 04 Mar 1999 | | May 1930 | 12 Berger Close, Orpington, Kent, BR5 1HR |
| O`HARA, Kevin John RESIGNED | Director | 16 Jul 1998 | 08 Jun 2001 | | October 1940 | 18 Coed Y Wenallt, Rhiwbina, Cardiff, CF14 6TN |
| O`HARA, Kevin John RESIGNED | Director | 20 Jul 1995 | 03 Jul 1997 | | October 1940 | 18 Coed Y Wenallt, Rhiwbina, Cardiff, CF14 6TN |
| RAFFERTY, Kevin Damian RESIGNED | Director | 18 Jul 2012 | 17 Feb 2021 | United Kingdom | June 1968 | 2, Sunnymede Vale, Ramsbottom, Bury, Lancashire, BL0 9RR, United Kingdom |
| RAFFERTY, Kevin Damian RESIGNED | Director | 17 Apr 2007 | 14 Mar 2011 | United Kingdom | June 1968 | 33 Holcombe Lee, Ramsbottom, Bury, Lancashire, BL0 9QR |
| SEYMOUR, Norman Henry RESIGNED | Director | 30 Jun 1993 | 22 Aug 2004 | | April 1915 | Laundry Cottage 5 Goughs Lane, Knutsford, Cheshire, WA16 8QL |
| SIMPSON, Keith RESIGNED | Director | 09 Oct 2012 | 12 Aug 2014 | United Kingdom | February 1963 | 16, Parsifal Road, West Hampstead, London, NW6 1UH, United Kingdom |
| SIMPSON, Keith Edward RESIGNED | Director | 09 Jun 2009 | 10 May 2012 | United Kingdom | February 1963 | 48, Aberdare Gardens, Hampstead, London, NW6 3QA |
| STANTON, Peter Roy RESIGNED | Director | 30 Jun 1993 | 03 Feb 1999 | | April 1958 | 19 Leconfield Court, Wetherby, West Yorkshire, LS22 6TY |
| STAPLES, Roland Lewis RESIGNED | Director | 03 Jul 1997 | 25 Jun 1999 | | September 1928 | 77 Ebrington Avenue, Solihull, West Midlands, B92 8HX |
| WIDDOP, Brian Lindsay RESIGNED | Director | 22 Jul 1993 | 23 Jun 1996 | Uk | July 1953 | 9 Scotts Garth Close, Tickton, Beverley, North Humberside, HU17 9RQ |
| WILKINSON, Roy Rowley RESIGNED | Director | 16 Jul 2002 | 06 Jul 2010 | | August 1938 | 41 Oakley Drive, Wellingborough, Northamptonshire, NN8 3JY |
| YOUNG, Jill Anne RESIGNED | Director | 30 Apr 2021 | 02 Feb 2026 | United Kingdom | January 1974 | Mentor House, Ainsworth Street, Blackburn, Lancashire, BB1 6AY, England |
| COMBINED NOMINEES LIMITED RESIGNED | Nominee Director | 08 Sep 1992 | 08 Sep 1992 | | | Victoria House, 64 Paul Street, London, EC2A 4NA |
| COMBINED SECRETARIAL SERVICES LIMITED RESIGNED | Nominee Director | 08 Sep 1992 | 08 Sep 1992 | | | Victoria House, 64 Paul Street, London, EC2A 4NG |