| OTTERSON, Robert James ACTIVE | Secretary | 17 Dec 2024 | | | | Gallagher, The Walbrook Building, 25 Walbrook, London, EC4N 8AW, United Kingdom |
| COUSINS, David Michael Edwin ACTIVE | Director | 21 Jun 2021 | | United Kingdom | January 1973 | The Walbrook Building, 25 Walbrook, London, EC4N 8AW, United Kingdom |
| CRAWFORD, Charles Robertson ACTIVE | Director | 14 Mar 2024 | | United Kingdom | March 1964 | The Walbrook Building, 25 Walbrook, London, EC4N 8AW, United Kingdom |
| FRANCIS, Clare Louise ACTIVE | Director | 09 May 2025 | | United Kingdom | June 1969 | Spectrum Building, 55 Blythswood Street, Glasgow, Scotland, G2 7AT, Scotland |
| GREEN, Simon Anthony ACTIVE | Director | 14 Mar 2024 | | England | October 1963 | The Walbrook Building, 25 Walbrook, London, EC4N 8AW, United Kingdom |
| HARRIS, Nicholas George Robert ACTIVE | Director | 01 Jul 2024 | | England | May 1974 | The Walbrook Building, 25 Walbrook, London, EC4N 8AW, United Kingdom |
| LANGLEY, Susan Carol ACTIVE | Director | 14 Mar 2024 | | United Kingdom | July 1963 | The Walbrook Building, Walbrook, London, EC4N 8AW, United Kingdom |
| RUSH, David James ACTIVE | Director | 27 Oct 2025 | | United Kingdom | June 1965 | Gallagher, The Walbrook Building, 25 Walbrook, London, EC4N 8AW, United Kingdom |
| SCOTT, Charles Douglas Knowles ACTIVE | Director | 14 Mar 2024 | | England | December 1973 | The Walbrook Building, 25 Walbrook, London, EC4N 8AW, United Kingdom |
| GARDNER, Derek Gordon RESIGNED | Secretary | 18 Nov 2004 | 29 Feb 2008 | | | 11 Ravelston House Grove, Edinburgh, EH4 3LT |
| GILES, Nicholas Joseph RESIGNED | Secretary | | 01 Sep 1995 | | | 33 Julian Lane, Glasgow, G12 0RU |
| HESSETT, Alastair George RESIGNED | Secretary | 03 Mar 2008 | 02 Jul 2013 | | | 14a, Eaglesham Road, Newton Mearns, Glasgow, G77 5BG |
| LESLIE, Sally Anne RESIGNED | Secretary | 01 Sep 1995 | 01 Sep 2001 | | | Moriani, 45 Midton Road, Ayr, KA7 2SQ |
| MCGOWAN, William Lindsay RESIGNED | Secretary | 14 Nov 2013 | 10 Aug 2018 | | | Spectrum Building 7th Floor, 55 Blysthwood Street, Glasgow, G2 7AT |
| PEEL, Alistair Charles RESIGNED | Secretary | 10 Aug 2018 | 26 Jul 2024 | | | Spectrum Building, 55 Blythswood Street, Glasgow, Scotland, G2 7AT, Scotland |
| EXPECTRUM SECRETARIES LIMITED RESIGNED | Secretary | 02 Jul 2013 | 14 Nov 2013 | | | Birchin Court 3rd, Floor, Birchin Lane, London, EC3V 9DU, United Kingdom |
| MACDONALDS RESIGNED | Secretary | 01 Sep 2001 | 18 Nov 2004 | | | St Stephens House, 279 Bath Street, Glasgow, G2 4JL |
| ALLAN, Alexander Ferguson RESIGNED | Director | 01 Sep 2001 | 15 Jul 2003 | | June 1942 | 4 Ayr Place, Fort William, Inverness Shire, PH33 6UF |
| AUSTRICH, David Hunter RESIGNED | Director | 01 Sep 1995 | 31 Aug 1998 | | June 1962 | 38 Chalmers Avenue, Ayr, Ayrshire, KA7 2NG |
| BREE, Michelle RESIGNED | Director | 05 Dec 2020 | 14 Mar 2024 | England | June 1986 | The Walbrook Building, 25 Walbrook, London, EC4N 8AW, United Kingdom |
| BROWN, Alan George RESIGNED | Director | 01 Sep 1998 | 15 Jul 2003 | | April 1959 | 73 Anne Arundel Court, Heathhall, Dumfries, DG1 3SL |
| CHAMBERS, Mark Russell RESIGNED | Director | 26 Oct 2010 | 01 Jan 2012 | England | October 1972 | Third Floor, Birchin Court, 20 Birchin Lane, London, EC3V 9DU, United Kingdom |
| CHILTON, Grahame David RESIGNED | Director | 01 May 2015 | 24 Aug 2016 | England | January 1959 | Spectrum Building 7th Floor, 55 Blysthwood Street, Glasgow, G2 7AT |
| DALGARNO, Sarah RESIGNED | Director | 14 Nov 2013 | 17 Mar 2015 | England | September 1968 | Spectrum Building 7th Floor, 55 Blysthwood Street, Glasgow, G2 7AT |
| DRUMMOND-SMITH, James RESIGNED | Director | 18 Mar 2014 | 28 Feb 2026 | England | February 1960 | Spectrum Building, 55 Blythswood Street, Glasgow, Scotland, G2 7AT, Scotland |
| FERGUSSON, Joseph Victor RESIGNED | Director | 01 Sep 1997 | 30 Jun 1999 | | January 1965 | Drumgirnan Lodge, Kilkerran, Maybole, Ayrshire, KA19 7SF |
| FINNEGAN, Sean RESIGNED | Director | 10 Nov 2005 | 03 Mar 2008 | England | December 1953 | Old Home Farm, Plumpton End, Paulerspury, Towcester, Northamptonshire, NN12 7NJ |
| GARDNER, Derek Gordon RESIGNED | Director | 16 Jan 2004 | 29 Feb 2008 | United Kingdom | October 1962 | 11 Ravelston House Grove, Edinburgh, EH4 3LT |
| GILES, Alexandra Etta RESIGNED | Director | | 31 Aug 1995 | | May 1940 | Whiteplains, Alloway, Ayr, KA7 4DY |
| GILES, Christopher Michael RESIGNED | Director | 16 Jan 2004 | 01 Apr 2013 | England | September 1964 | 18 The Barton, Cobham, Surrey, KT11 2NJ |
| GILES, Christopher Michael RESIGNED | Director | 01 Sep 1995 | 31 Aug 2002 | | September 1964 | 10 Corsehill Park, Ayr, Ayrshire, KA7 2UG |
| GILES, Lesley RESIGNED | Director | 09 Mar 2000 | 15 Jul 2003 | | April 1971 | Flat 1/1, 22 Mansionhouse Road, Glasgow, Lanarkshire, G32 0RN |
| GILES, Michael Ernest RESIGNED | Director | | 01 Sep 2002 | | March 1932 | Whiteplains, Alloway, Ayr, KA7 4DY |
| GILES, Nicholas Joseph RESIGNED | Director | | 17 Jun 2005 | | October 1962 | 33 Julian Lane, Glasgow, G12 0RU |
| GRASS, Robin RESIGNED | Director | 01 Sep 2000 | 15 Jul 2003 | | October 1960 | 7 Camphill Place, Ayr, Ayrshire, KA7 3NN |
| GREEN, Simon Anthony RESIGNED | Director | 11 Jul 2017 | 23 Nov 2021 | England | October 1963 | Spectrum Building, 7th Floor, 55 Blythswood Street, Glasgow, G2 7AT, Scotland |
| GRINT, Colin Malcolm RESIGNED | Director | 12 Nov 2019 | 18 Sep 2020 | England | November 1970 | The Walbrook Building, 25 Walbrook, London, EC4N 8AW, United Kingdom |
| JENKIN, Elizabeth Anne RESIGNED | Director | 01 Dec 2021 | 31 Aug 2024 | England | June 1972 | The Walbrook Building, 25 Walbrook, London, EC4N 8AW, United Kingdom |
| LESLIE, Sally Anne RESIGNED | Director | 01 Sep 1995 | 15 Jul 2003 | | May 1967 | Moriani, 45 Midton Road, Ayr, KA7 2SQ |
| LOCKETT, Gary James RESIGNED | Director | 08 Mar 2006 | 20 Apr 2006 | England | February 1963 | 209 Bramble Road, Benfleet, Essex, SS7 2UU |
| LYONS, Sarah Elizabeth RESIGNED | Director | 13 Aug 2007 | 31 Mar 2012 | England | October 1970 | 48 Wellfield Road, Lindley, West Yorkshire, HD3 4BJ |
| MATSON, Paul Dominic RESIGNED | Director | 01 Jan 2012 | 31 Jan 2014 | United Kingdom | January 1966 | Spectrum Building 7th Floor, 55 Blysthwood Street, Glasgow, G2 7AT |
| MATSON, Paul Dominic RESIGNED | Director | 28 Jul 2008 | 09 Feb 2011 | United Kingdom | January 1966 | Third Floor Birchin Court, 20 Birchin Lane, London, EC3V 9DU |
| MCINTYRE, Hazel Jane RESIGNED | Director | 03 Mar 2008 | 10 Sep 2012 | Scotland | November 1967 | 38, Cluny Gardens, Edinburgh, EH10 6BN |
| MCMANUS, Brendan James RESIGNED | Director | 20 Apr 2012 | 30 Jun 2014 | United Kingdom | November 1959 | Spectrum Building 7th Floor, 55 Blysthwood Street, Glasgow, G2 7AT |
| MILLER, Colin David RESIGNED | Director | 01 Sep 1995 | 27 Feb 2003 | | December 1962 | 83 Donald Crescent, Troon, Ayrshire, KA10 6PH |
| MILLER, David Mcrea RESIGNED | Director | | 10 Feb 1990 | | | Damhead Farm, Carwell Hurlford, Kilmarnock, KA1 5JT |
| MUGGE, Mark Stephen RESIGNED | Director | 14 Nov 2013 | 26 Jan 2015 | U.K.-England | October 1969 | Spectrum Building 7th Floor, 55 Blysthwood Street, Glasgow, G2 7AT |
| PASSMAN, Michael Barrie RESIGNED | Director | 20 Mar 2002 | 15 Jul 2003 | | August 1945 | 5 Reeve Court, Kidderminster, Worcestershire, DY10 4TP |
| PATTEN, Louise Alexandra Virginia, Lady RESIGNED | Director | 12 Apr 2016 | 04 Jan 2025 | England | February 1954 | Spectrum Building, 55 Blythswood Street, Glasgow, Scotland, G2 7AT, Scotland |
| PEARSON, Howard John RESIGNED | Director | 15 Sep 2009 | 19 May 2010 | Uk | May 1957 | Amherst Lodge, Ide Hill, Kent, TN14 6JG |
| PEARSON, Howard John RESIGNED | Director | 24 Jan 2007 | 03 Mar 2008 | | May 1957 | Baldocks Stable, Scabharbour Lane, Chiddingstone Causeway, Kent, TN11 8JH |
| PENTLETON, David RESIGNED | Director | 01 Sep 2001 | 30 Nov 2005 | | April 1952 | 6 Park Road, Saltcoats, Ayrshire, KA21 5DH |
| PIKE, Matthew William RESIGNED | Director | 14 Nov 2013 | 10 Dec 2015 | England | October 1964 | Spectrum Building 7th Floor, 55 Blysthwood Street, Glasgow, G2 7AT |
| PRESCOTT, George Andrew RESIGNED | Director | 06 Oct 2009 | 05 Dec 2013 | United Kingdom | January 1945 | 120, Sutton Court, Fauconberg Road, London, W4 3EE, United Kingdom |
| QUINN, Michael Joseph RESIGNED | Director | 08 Mar 2006 | 03 Mar 2008 | Scotland | December 1955 | 26 Mansionhouse Gardens, Langside, Glasgow, Strathclyde, G41 3DP |
| REA, Michael Peter RESIGNED | Director | 10 Dec 2015 | 26 Apr 2024 | England | February 1966 | Spectrum Building, 55 Blythswood Street, Glasgow, Scotland, G2 7AT, Scotland |
| RICHARDS, William Samuel Clive RESIGNED | Director | 01 Jun 2004 | 03 Nov 2004 | England | September 1937 | Lower Hope, Ullingswick, Hereford, Herefordshire, HR1 3JF |
| RICHMOND, Carol Ann RESIGNED | Director | 10 Dec 2015 | 01 Jan 2021 | United Kingdom | December 1963 | Spectrum Building 7th Floor, 55 Blysthwood Street, Glasgow, G2 7AT |
| ROSS, David Christopher RESIGNED | Director | 14 Nov 2013 | 09 Feb 2015 | United Kingdom | February 1969 | Spectrum Building 7th Floor, 55 Blysthwood Street, Glasgow, G2 7AT |
| ROYLE, Andy RESIGNED | Director | 10 May 2012 | 14 Nov 2013 | United Kingdom | March 1968 | Spectrum Building 7th Floor, 55 Blysthwood Street, Glasgow, G2 7AT |
| SCALES, Matthew RESIGNED | Director | 13 Jun 2011 | 05 Dec 2013 | England | May 1954 | Spectrum Building 7th Floor, 55 Blysthwood Street, Glasgow, G2 7AT |
| SCOTT, Charles Douglas RESIGNED | Director | 06 Feb 2018 | 01 Jan 2021 | England | December 1973 | Spectrum Building 7th Floor, 55 Blysthwood Street, Glasgow, G2 7AT |
| SCREEN, Robert Charles RESIGNED | Director | 18 Jan 2007 | 05 Oct 2007 | United Kingdom | December 1963 | Lye Hill Farm, Compton Dando, Bristol, Avon, BS39 4LG |
| STORY, Ian Graham RESIGNED | Director | 29 Apr 2015 | 30 Jun 2018 | England | January 1963 | Spectrum Building 7th Floor, 55 Blysthwood Street, Glasgow, G2 7AT |
| THOMSON, Paul RESIGNED | Director | 01 Dec 2002 | 03 Nov 2004 | | June 1965 | 18 Southpark Road, Ayr, KA7 2TL |
| TULLOCH, Gordon RESIGNED | Director | 10 Nov 2005 | 19 Oct 2006 | | April 1967 | 7 Doonvale Drive, Alloway, Ayrshire, KA6 6EF |
| WHITTINGHAM, James Oliver RESIGNED | Director | 23 Aug 2019 | 19 Aug 2024 | England | August 1977 | The Walbrook Building, 25 Walbrook, London, EC4N 8AW, United Kingdom |
| YORKE, Thomas RESIGNED | Director | 01 Sep 2001 | 27 Feb 2003 | | February 1970 | 34 Langdale Court, Moor Lane, Tamworth, Staffs, B77 3AT |
| YOUNG, Colin RESIGNED | Director | 01 Sep 2001 | 15 Jul 2003 | | September 1971 | 30 Garvine Road, Coylton, KA6 6NZ |