| SWAN, Colin Charles ACTIVE | Secretary | 07 Jul 2023 | | | | Inveralmond House, 200 Dunkeld Road, Perth, PH1 3AQ, Scotland |
| BEATTIE, Martin ACTIVE | Director | 11 Nov 2019 | | Scotland | March 1981 | Grampian House, 200 Dunkeld Road, Perth, PH1 3GH, Scotland |
| CRYANS, Charles ACTIVE | Director | 18 Jan 2022 | | United Kingdom | June 1963 | 1, Waterloo Street, Glasgow, G2 6AY, United Kingdom |
| DE AZEVEDO DENT, Kelly ACTIVE | Director | 04 Nov 2025 | | England | December 1971 | Inveralmond House, 200 Dunkeld Road, Perth, PH1 3AQ, Scotland |
| HAYWARD, Mark Richard ACTIVE | Director | 07 May 2010 | | United Kingdom | November 1963 | Fiddlers Ferry Power Station, Widnes Road, Cuerdley, Warrington, WA5 2UT |
| MACKAY, Mandy ACTIVE | Director | 17 May 2022 | | United Kingdom | January 1976 | Grampian House, 200 Dunkeld Road, Perth, PH1 3GH, Scotland |
| MCCUTCHEON, Finlay Alexander ACTIVE | Director | 06 Jul 2024 | | Scotland | November 1977 | Inveralmond House, 200 Dunkeld Road, Perth, PH1 3AQ, Scotland |
| RUDD, Adrian Marc James ACTIVE | Director | 11 Nov 2019 | | England | May 1971 | Fiddlers Ferry Power Station, Widnes Road, Warrington, WA5 2UT, United Kingdom |
| ADEDAPO AISIDA, Mercy Taiwo RESIGNED | Secretary | 28 Jun 1993 | 13 Mar 1994 | | | 139 Colindale Avenue, London, NW9 5HB |
| DONNELLY, Lawrence John Vincent RESIGNED | Secretary | 13 Feb 2009 | 01 Dec 2014 | | | Inveralmond House 200, Dunkeld Road, Perth, Perthshire, PH1 3AQ |
| FAIRBAIRN, Sally RESIGNED | Secretary | 01 Dec 2014 | 07 Jul 2023 | | | Inveralmond House, 200 Dunkeld Road, Perth, PH1 3AQ, Scotland |
| GRAY, Ailsa Mary RESIGNED | Secretary | 07 Nov 2003 | 13 Feb 2009 | | | 27 Saint Magdalenes Road, Perth, PH2 0BT |
| LOWEN, John RESIGNED | Secretary | 28 May 1997 | 27 Oct 1999 | | | Sunnybank Matlock Road, Walton, Chesterfield, Derbyshire, S42 7LH |
| MIDDLETON, Bruce Richard RESIGNED | Secretary | | 13 Mar 1994 | | | 1 Wales Orchard, Leire, Leicestershire, LE17 5ES |
| SCHOLEY, Michael David RESIGNED | Secretary | 30 Jun 1993 | 01 Jun 1995 | | | 106 Fulwell Road, Teddington, Middlesex, TW11 0RQ |
| VASSILEOU, Stelios RESIGNED | Secretary | 01 Jun 1995 | 28 May 1997 | | | 49 Elmcroft Road, Orpington, Kent, BR6 0HZ |
| YAU, Kwik Fong RESIGNED | Secretary | 27 Oct 1999 | 07 Nov 2003 | | | 56 Beverley Road, Maidstone, Kent, ME16 9JR |
| ADEDAPO AISIDA, Folayemi RESIGNED | Director | 28 Jun 1993 | 13 Mar 1994 | | March 1946 | 139 Colindale Avenue, The Hyde, London, NW9 5HB |
| ADEDAPO AISIDA, Mercy Taiwo RESIGNED | Director | 28 Jun 1993 | 13 Mar 1994 | | October 1951 | 139 Colindale Avenue, London, NW9 5HB |
| ARMSTRONG, Michael Norman RESIGNED | Director | 01 Apr 1998 | 10 Apr 2002 | England | January 1958 | 12 Stokenchurch Street, London, SW6 3TR |
| BARRETT, James RESIGNED | Director | 13 Feb 2002 | 01 Dec 2004 | | March 1954 | Orchard House, Front Street Grasby, Barnetby, North Lincolnshire, DN38 6AN |
| BARRETT, Peter Jeffrey RESIGNED | Director | 25 May 1993 | 25 Aug 1993 | | April 1955 | 8 Osborne House, Courtlands Sheen Road, Richmond, Surrey, TW10 5BE |
| BASEBY, Stephen Christopher RESIGNED | Director | 01 Oct 1993 | 26 Jul 1995 | | June 1953 | 4 Maultway Crescent, Camberley, Surrey, GU15 1PN |
| BELL, Norman RESIGNED | Director | 30 Nov 1999 | 14 Dec 2000 | United Kingdom | November 1950 | 8 The Spiers, Gillingham, Kent, ME7 2HB |
| BRETT, Stephen Gareth RESIGNED | Director | | 30 Sep 1993 | | September 1958 | 19 Stevenson Drive, Binfield, Bracknell, Berkshire, RG12 5TB |
| BRONWIN, Hannah Zoe RESIGNED | Director | 17 May 2022 | 31 Jan 2025 | England | September 1983 | Inveralmond House, 200 Dunkeld Road, Perth, PH1 3AQ, Scotland |
| BROOKS, Keith Harold RESIGNED | Director | 19 Aug 1993 | 30 Apr 2003 | | September 1947 | 16 Rugby Road, Brighton, East Sussex, BN1 6EB |
| BROWN, Daniel Forbis RESIGNED | Director | | 27 Jul 1995 | | January 1940 | Great Fowlehall Oast House, Darman Lane, Paddock Wood, Kent, TN12 6PW |
| CADOUX HUDSON, Humphrey Alan Edward RESIGNED | Director | 09 Feb 1998 | 05 Feb 2003 | | November 1960 | 3 Green Lane, Guildford, Surrey, GU1 2LZ |
| CRYANS, Charles RESIGNED | Director | 11 Nov 2019 | 24 Jun 2021 | United Kingdom | June 1963 | 1, Waterloo Street, Glasgow, G2 6AY, United Kingdom |
| CUNNINGHAM, Paul Francis RESIGNED | Director | 12 Nov 1999 | 16 Mar 2001 | | April 1966 | Burnbank Cottage, Den Road, Scone, Perth, Perthshire, PH2 6PY |
| DACEY, Peter William RESIGNED | Director | 23 Dec 1999 | 30 Apr 2010 | | May 1952 | 55, Vastern Road, Reading, Berkshire, RG1 8BU, Ireland |
| DACEY, Peter William RESIGNED | Director | 24 Jan 1997 | 12 Nov 1999 | | May 1952 | 14 Tudor Close, Wokingham, Berkshire, RG40 2LU |
| DANIELS, Christopher John RESIGNED | Director | | 07 Nov 2003 | | March 1947 | 91 Meadow Lane, Burgess Hill, Sussex, RH15 9JD |
| FITZPATRICK, Mark Stuart RESIGNED | Director | | 01 Apr 1998 | | January 1951 | Bourne Brook Cottage, Clappers Lane, Chobham, Surrey, GU24 8DD |
| GILLATT, Michael RESIGNED | Director | 11 Nov 2019 | 16 Dec 2020 | United Kingdom | December 1971 | Sse Gas Storage, Garton Road, Hull, HU11 4QB, United Kingdom |
| GRAY, Ann Miriam Georgina RESIGNED | Director | 11 Nov 2019 | 17 Apr 2025 | Scotland | April 1967 | Inveralmond House, 200 Dunkeld Road, Perth, PH1 3AQ, Scotland |
| HART, James, Doctor RESIGNED | Director | | 12 Nov 1999 | | September 1945 | Skerrols East Road, St Georges Hill, Weybridge, Surrey, KT13 0LF |
| HEARN, Mark David RESIGNED | Director | 05 Feb 2003 | 07 Nov 2003 | United Kingdom | October 1964 | 36 Old Orchard Lane, Leybourne, West Malling, Kent, ME19 5QH |
| HOPKINS, Neil Allen RESIGNED | Director | 09 Jul 1997 | 07 Jun 2002 | England | September 1964 | 30 Connaught Road, Teddington, Middlesex, TW11 0PS |
| ISMAILI, Ahmad Naveed RESIGNED | Director | 10 Apr 2002 | 07 Nov 2003 | | July 1961 | 7 Mitchell Road, Kingshill, West Malling, Maidstone Kent, ME19 4RF |
| JOHNSON, John RESIGNED | Director | 11 Nov 2019 | 06 Jan 2026 | Ireland | November 1976 | Red Oak South, South County Business Park, Leopardstown, Dublin, 18, Ireland |
| LAWRENCE, Ian Philip RESIGNED | Director | 22 Jan 1999 | 30 Nov 1999 | | March 1959 | 9 Munford Drive, Swanscombe, Kent, DA10 0BY |
| LONG, David RESIGNED | Director | 07 Jun 2002 | 07 Nov 2003 | | November 1969 | 37 Mexfield Road, Putney, London, SW15 2RG |
| MARCHANT, Ian Derek RESIGNED | Director | 26 Jul 1995 | 10 Jun 1996 | | February 1961 | South Riding Shoppenhangers Road, Maidenhead, Berkshire, SL6 2PZ |
| MATTHEWS, Stephen Nicholas RESIGNED | Director | | 24 Jan 1997 | England | January 1951 | 21 Badgers Walk, Shiplake, Henley On Thames, Oxfordshire, RG9 3JQ |
| MCLAREN, John Keith RESIGNED | Director | 27 Jul 1995 | 02 Nov 2000 | England | January 1962 | Ockley Mead, Goddington, Goddington Lane, Harrietsham, Kent, ME17 1JX |
| MERRIWEATHER, Simon Martin RESIGNED | Director | 05 Feb 2003 | 07 Nov 2003 | | November 1964 | 22 Little Halt, Portishead, BS20 8JQ |
| MILLER, Mark RESIGNED | Director | 02 Nov 2000 | 28 Jun 2001 | | July 1961 | 79 Chatfield Way, Bradbourne Fields, East Malling, Kent, ME19 6UE |
| MOORSHEAD, John Leslie RESIGNED | Director | 27 May 1999 | 05 Feb 2003 | United Kingdom | June 1949 | 12 The Hooks, Henfield, West Sussex, BN5 9UY |
| MOSS, Keith Richard RESIGNED | Director | 28 Jun 2001 | 07 Nov 2003 | England | March 1965 | 7 Mitchell Road, Kings Hill, Maidstone, Kent, ME19 4RF |
| NORMAN, Angus Tindale RESIGNED | Director | 05 Feb 2003 | 07 Nov 2003 | | July 1950 | 6 Blake Close, Walmer, Deal, Kent, CT14 7UB |
| PAGE, Richard Anthony RESIGNED | Director | | 09 Feb 1998 | | February 1948 | 10 Amberley Close, Shoreham By Sea, West Sussex, BN43 5GY |
| RADY, William Bertram RESIGNED | Director | 27 Jul 1995 | 22 Jan 1999 | | January 1959 | 13 Banky Meadow, Barming, Kent, ME16 9JX |
| RAW, Catherine RESIGNED | Director | 07 Jul 2022 | 04 Apr 2024 | England | June 1981 | Sse, 111, Buckingham Palace Road, London, SW1W 0SR, England |
| SANSOM, Robert Clive RESIGNED | Director | | 09 Feb 1998 | | May 1956 | 80 Maldon Road, Brighton, East Sussex, BN1 5BE |
| SCHOLEY, Michael David RESIGNED | Director | 25 May 1993 | 01 Jun 1995 | | October 1965 | 106 Fulwell Road, Teddington, Middlesex, TW11 0RQ |
| SHARP, Timothy Paul RESIGNED | Director | 08 Nov 2001 | 07 Nov 2003 | | September 1958 | 22 Locksley Close, Walderslade, Chatham, Kent, ME5 9BT |
| SIGSWORTH, David, Prof. RESIGNED | Director | 12 Nov 1999 | 31 Mar 2005 | United Kingdom | July 1946 | 9 Station Road, South Queensferry, West Lothian, EH30 9HY |
| SMITH, Brian Lockhart, Dr RESIGNED | Director | 10 Jun 1996 | 12 Nov 1999 | | May 1955 | 39 Basingbourne Road, Fleet, Hampshire, GU13 9TG |
| SMITH, James Isaac RESIGNED | Director | 06 Jul 2016 | 11 Nov 2019 | Scotland | March 1962 | Inveralmond House, 200 Dunkeld Road, Perth, PH1 3AQ, Scotland |
| SMITH, Paul Richard RESIGNED | Director | 12 Nov 1999 | 31 May 2016 | United Kingdom | January 1963 | Grampian House, 200 Dunkeld Road, Perth, PH1 3GH |
| STINSON, Paul David RESIGNED | Director | 25 Aug 1993 | 26 Mar 1997 | | February 1957 | Sandstones High Street, Limpsfield, Oxted, Surrey, RH8 0DT |
| TAME, James Edward RESIGNED | Director | 09 Feb 1998 | 27 May 1999 | | November 1953 | 27 Benett Drive, Hove, East Sussex, BN3 6US |
| WHEELER, Stephen RESIGNED | Director | 11 Nov 2019 | 16 Dec 2021 | Ireland | February 1973 | Red Oak South, South County Business Park, Leopardstown, Dublin, 18, Ireland |
| WILLIAMS, Charles Napier RESIGNED | Director | 24 Apr 1995 | 23 Dec 1999 | | July 1961 | Beechwood House, 3 Walkwood Rise, Beaconsfield, Buckinghamshire, HP9 1TX |
| WOOD, Calum RESIGNED | Director | 14 Dec 2000 | 08 Nov 2001 | | November 1962 | Lyndale, Wrens Road, Borden, Kent, ME9 8JD |
| WOOLLACOTT, Paul Nicholas RESIGNED | Director | | 30 Sep 1994 | | October 1947 | Parfitts, Rectory Lane, Aston Tirrold, Oxfordshire, OX11 9DH |
| ZAKIR, Zahida RESIGNED | Director | 22 Jun 2021 | 11 Nov 2025 | England | October 1969 | Inveralmond House, 200 Dunkeld Road, Perth, PH1 3AQ, Scotland |