| DAVID, Giles Matthew Oliver RESIGNED | Secretary | 03 Mar 2006 | 30 Jan 2007 | | | The Chalet, Southside, Gerrards Cross, Buckinghamshire, SL9 8NQ |
| HARWOOD, David John RESIGNED | Secretary | 24 Jan 2008 | 31 Jan 2020 | | | 5, Hercules Way, Leavesden, Watford, WD25 7GS, United Kingdom |
| PASCALL, Timothy RESIGNED | Secretary | 30 Jan 2007 | 24 Jan 2008 | | | The Tile House 26 Pound Lane, Sonning, Reading, Berkshire, RG4 6XE |
| RITCHIE, Alistair John RESIGNED | Secretary | 05 Mar 1993 | 30 Apr 1999 | | | The Coach House, 68 York Road, Weybridge, Surrey, KT13 9DY |
| RITCHIE, Ian RESIGNED | Secretary | | 05 Mar 1993 | | | 66 Cherwell Drive, Marston, Oxford, Oxfordshire, OX3 0LZ |
| SMITH, Alaric Michael RESIGNED | Secretary | 26 Oct 2000 | 03 Mar 2006 | | | The Lime House, The Green, Stadhampton, Oxfordshire, OX44 7UL |
| WILLIAMS, Gareth Rhys RESIGNED | Secretary | 30 Apr 1999 | 26 Oct 2000 | | | Brickhouse, 115 Bradenstoke, Chippenham, Wiltshire, SN15 4ES |
| ANDERSON, Douglas Donald RESIGNED | Director | 05 Mar 1993 | 31 Mar 1995 | | December 1950 | South Grange Manor, Bagshot Road, Sunninghill, Berkshire, SL5 9SP |
| ANDERSON, Thomas RESIGNED | Director | | 05 Jul 1996 | | January 1953 | 16 Burnside, Parbold Village, Wigan, Lancashire, WN8 7PD |
| BRIANT, Michael John RESIGNED | Director | 31 Mar 1995 | 28 Feb 1998 | | June 1960 | Warrens, Goldenfields Close, Liphook, Hampshire, GU30 7EZ |
| BRODIE, Brian Edward RESIGNED | Director | 06 Jun 2018 | 23 Nov 2020 | England | July 1965 | Grant Thornton Uk Llp, 4 Hardman Square, Spinningfields, Manchester, M3 3EB |
| BROWN, Andrew Jonathan RESIGNED | Director | 01 Nov 2014 | 02 Aug 2018 | England | July 1944 | 5, Hercules Way, Leavesden, Watford, WD25 7GS |
| CAMPBELL, Graeme James RESIGNED | Director | 01 Oct 2016 | 14 Sep 2020 | England | March 1972 | Grant Thornton Uk Llp, 4 Hardman Square, Spinningfields, Manchester, M3 3EB |
| CAMPBELL, Ronald Alexander Lamont RESIGNED | Director | | 05 Mar 1993 | | July 1938 | Holly Tree House, Shalbourne, Marlborough, Wiltshire |
| COOKLIN, Laurence RESIGNED | Director | 26 Mar 2004 | 30 Apr 2004 | | October 1944 | Lydford Lodge 17 Totteridge Village, London, N20 8PN |
| COOPER, Michael William RESIGNED | Director | 16 Feb 2000 | 16 Jan 2006 | United Kingdom | June 1961 | White Oaks, Church Road Parley Hill, Reading, RG7 1TS |
| DAVID, Giles Matthew Oliver RESIGNED | Director | 03 Mar 2006 | 30 Sep 2013 | England | March 1967 | 5, Hercules Way, Leavesden, Watford, WD25 7GS, United Kingdom |
| DEANE, Stuart John RESIGNED | Director | 23 Apr 2018 | 23 Nov 2020 | Wales | December 1965 | Grant Thornton Uk Llp, 4 Hardman Square, Spinningfields, Manchester, M3 3EB |
| EDWARDS, Hugh RESIGNED | Director | 03 Mar 2006 | 31 Aug 2007 | England | July 1964 | Tylers Field, Wardrobes Lane, Loosley Row, Princes Risborough, Buckinghamshire, HP27 0RH, England |
| GEERS, James Alfred RESIGNED | Director | | 30 Jun 1992 | | February 1933 | 33 Private Road, Enfield, Middlesex, EN1 2EH |
| GLUCKMAN, Steven RESIGNED | Director | 28 Feb 1998 | 17 Jan 2000 | | May 1960 | Orchard Cottage 13 Oatlands Close, Weybridge, Surrey, KT13 9ED |
| GULLAN, Alan Graham Hugh RESIGNED | Director | 01 Feb 2020 | 30 Mar 2020 | England | March 1960 | Grant Thornton Uk Llp, 4 Hardman Square, Spinningfields, Manchester, M3 3EB |
| HARDY, Lysa Maria RESIGNED | Director | 20 Aug 2018 | 14 Sep 2020 | United Kingdom | April 1970 | Grant Thornton Uk Llp, 4 Hardman Square, Spinningfields, Manchester, M3 3EB |
| HARVEY, Hugh John RESIGNED | Director | 01 Oct 2016 | 26 Sep 2019 | England | October 1959 | 5, Hercules Way, Leavesden, Watford, WD25 7GS |
| LAMB, David John RESIGNED | Director | 01 Apr 2014 | 02 Feb 2018 | England | May 1976 | 5, Hercules Way, Leavesden, Watford, WD25 7GS, United Kingdom |
| LARKIN, Ian David RESIGNED | Director | 03 Jul 2018 | 23 Nov 2020 | United Kingdom | July 1968 | Grant Thornton Uk Llp, 4 Hardman Square, Spinningfields, Manchester, M3 3EB |
| LYNCH, Mark RESIGNED | Director | 01 Mar 2016 | 15 Jun 2018 | United Kingdom | January 1970 | 5, Hercules Way, Leavesden, Watford, WD25 7GS |
| MABY, Alexander Miles RESIGNED | Director | 07 Jan 2014 | 03 Oct 2018 | United Kingdom | January 1974 | 5, Hercules Way, Leavesden, Watford, WD25 7GS, United Kingdom |
| MATTSSON, Lars Magnus RESIGNED | Director | 02 Feb 2018 | 23 Nov 2020 | United Kingdom | January 1973 | 5, Hercules Way, Leavesden Park, Watford, WD25 7GS, United Kingdom |
| MCKEE, Joseph Leo RESIGNED | Director | 13 Oct 2005 | 30 Sep 2016 | United Kingdom | August 1946 | 5, Hercules Way, Leavesden, Watford, WD25 7GS, United Kingdom |
| MOONEY, Anthony David RESIGNED | Director | 01 Jul 2019 | 26 Jan 2020 | United Kingdom | February 1971 | 5, Hercules Way, Leavesden, Watford, WD25 7GS |
| MURRAY, Wayne Roger RESIGNED | Director | | 31 Mar 1995 | | September 1952 | Glebe House, Southend Bradfield, Reading, Berkshire |
| PARKINSON, Andrew John RESIGNED | Director | 17 Sep 2007 | 27 Mar 2013 | United Kingdom | February 1965 | 5, Hercules Way, Leavesden, Watford, WD25 7GS, United Kingdom |
| PATON, Hamish Stewart RESIGNED | Director | 01 Apr 2014 | 29 Mar 2019 | United Kingdom | July 1976 | 5, Hercules Way, Leavesden, Watford, WD25 7GS, United Kingdom |
| PATON, Hamish RESIGNED | Director | 17 Sep 2007 | 18 Aug 2009 | United Kingdom | July 1976 | Flat 7, 64 Sutherland Avenue, London, W9 2QU |
| POOLE, David Anthony RESIGNED | Director | 24 Jan 2012 | 23 Nov 2020 | United Kingdom | February 1969 | Grant Thornton Uk Llp, 4 Hardman Square, Spinningfields, Manchester, M3 3EB |
| PYM, Richard Alan RESIGNED | Director | 01 Apr 2014 | 07 Jul 2014 | England | September 1949 | 5, Hercules Way, Leavesden, Watford, WD25 7GS, United Kingdom |
| SMITH, Alaric Michael RESIGNED | Director | 28 Feb 1998 | 03 Mar 2006 | United Kingdom | March 1963 | The Lime House, The Green, Stadhampton, Oxfordshire, OX44 7UL |
| STAUNTON, Henry Eric RESIGNED | Director | 08 Jul 2014 | 02 Aug 2018 | England | May 1948 | 5, Hercules Way, Leavesden, Watford, WD25 7GS |
| SWEETLAND, Michael John RESIGNED | Director | 15 Feb 2000 | 30 Apr 2005 | United Kingdom | April 1955 | Stoneacres Main Street, Bickerton, Wetherby, North Yorkshire, LS22 5ER |
| THOMPSON, Maurice Nicholas Beech RESIGNED | Director | 01 Nov 2014 | 02 Jun 2018 | United Kingdom | April 1958 | 5, Hercules Way, Leavesden, Watford, WD25 7GS |
| WAKELAM, Nicholas Stephen RESIGNED | Director | 31 Mar 1995 | 28 Feb 1998 | | January 1959 | 5 Moresby Close, Westlea, Swindon, Wiltshire, SN5 7BX |
| WILLIAMS, Gareth Rhys RESIGNED | Director | 22 Feb 2000 | 31 May 2000 | | February 1964 | Brickhouse, 115 Bradenstoke, Chippenham, Wiltshire, SN15 4ES |