| NBS COSEC LIMITED ACTIVE | Secretary | 18 Jan 2019 | | | | Nationwide House, Pipers Way, Swindon, SN38 1NW, United Kingdom |
| BATES, Peter John ACTIVE | Director | 28 Aug 2024 | | England | January 1980 | Nationwide House, Pipers Way, Swindon, Wiltshire, SN38 1NW, United Kingdom |
| BILLINGTON, Heidi ACTIVE | Director | 19 Nov 2014 | | United Kingdom | November 1971 | Nationwide House, Pipers Way, Swindon, SN38 1NW, United Kingdom |
| MATHIESON, Muir ACTIVE | Director | 06 Sep 2024 | | United Kingdom | August 1974 | Nationwide House, Pipers Way, Swindon, Wiltshire, SN38 1NW, United Kingdom |
| BANKS, Janice Willmott RESIGNED | Secretary | 01 Jul 1993 | 03 Nov 1997 | | | 7, Bristol Road, Chippenham, Wiltshire, SN15 4BQ |
| LINDSEY, Jason David RESIGNED | Secretary | 01 Apr 2011 | 30 Nov 2016 | | | Nationwide House, Pipers Way, Swindon, SN38 1NW |
| MCQUEEN, Michael Robert RESIGNED | Secretary | | 06 Jan 1992 | | | 12 Rowsley Avenue, Hendon, London, NW4 1AJ |
| NOWELL, Stephen Gerrard RESIGNED | Secretary | 03 Nov 1997 | 10 Jan 2002 | | | Belmont Abson Road, Pucklechurch, Bristol, BS16 9SD |
| ORME, Victoria Helen RESIGNED | Secretary | 30 Nov 2016 | 18 Jan 2019 | | | Nationwide House, Pipers Way, Swindon, SN38 1NW, United Kingdom |
| PAUL, Julyan RESIGNED | Secretary | 04 Jan 2010 | 01 Apr 2011 | | | Nationwide House, Pipers Way, Swindon, SN38 1NW |
| PRITCHARD, Sandra RESIGNED | Secretary | 10 Jan 2002 | 29 Nov 2007 | | | Manor Farm House, Bushton, Wiltshire, SN4 7PX |
| SMITHERS, Tonia Lorraine RESIGNED | Secretary | 29 Nov 2007 | 13 May 2008 | | | 1 Little Orchard, Fosseway, Midsomer Norton, Radstock, Somerset, BA3 4AU |
| TEMPLEMAN, Nicola Ann RESIGNED | Secretary | 06 Jan 1992 | 01 Jul 1993 | | | 100 Molrams Lane, Great Baddow, Chelmsford, Essex, CM2 7AL |
| VINALL, Philip Gary RESIGNED | Secretary | 13 May 2008 | 04 Jan 2010 | | | 11 Kiln Close, Hermitage, Thatcham, Berkshire, RG18 9TQ |
| ALEXANDER, Anthony John RESIGNED | Director | 19 Nov 2014 | 31 Mar 2021 | England | December 1963 | Nationwide House, Pipers Way, Swindon, SN38 1NW, United Kingdom |
| ALLCOCK, Jeremy John RESIGNED | Director | 01 Apr 2014 | 28 Sep 2014 | United Kingdom | February 1964 | Nationwide House, Pipers Way, Swindon, SN38 1NW, United Kingdom |
| BEALE, Graham John RESIGNED | Director | 01 Jan 2002 | 05 Apr 2003 | | October 1958 | 6 Hids Copse Road, Cumnor Hill, Oxford, Oxfordshire, OX2 9JJ |
| BEALE, Graham John RESIGNED | Director | 01 Jul 1993 | 16 Mar 1998 | | October 1958 | Sixpenny 29 West Street, Aldbourne, Marlborough, Wiltshire, SN8 2BS |
| BERNAU, Stuart David Murray RESIGNED | Director | 07 Jun 1999 | 02 Apr 2007 | United Kingdom | August 1951 | Westport House, 116 Gloucester Road, Malmesbury, Wiltshire, SN16 0AL |
| BERNAU, Stuart David Murray RESIGNED | Director | 01 Jul 1993 | 09 May 1994 | | August 1951 | Middlesex House, High Street, Pitsford, Northamptonshire, NN6 9AD |
| DARLING, Brian William RESIGNED | Director | 24 Sep 1993 | 14 Mar 2003 | | March 1961 | 58 Campion Way, Boughton Vale, Rugby, Warwickshire, CV23 0UR |
| DAVIES, Nicholas Philip RESIGNED | Director | 19 Jun 2000 | 30 Oct 2002 | | December 1963 | 17 Bradden Way, Greens Norton, Towcester, Northamptonshire, NN12 8BY |
| GLOVER, Bryce Paul RESIGNED | Director | 16 Jul 2009 | 19 Nov 2014 | United Kingdom | July 1960 | Nationwide House, Pipers Way, Swindon, SN38 1NW |
| JAGPAL, Shamit RESIGNED | Director | 26 Nov 2002 | 13 Aug 2004 | | April 1963 | 129 Gallants Farm Road, East Barnet, Hertfordshire, EN4 8EP |
| JENKINS, Mark Radclyffe RESIGNED | Director | 05 Apr 2003 | 16 Jul 2009 | United Kingdom | August 1962 | Northbrook House, Sutton Lane, Sutton, Stanton Harcourt, Oxfordshire, OX29 5RU |
| KRAUS, Frank Charles RESIGNED | Director | | 06 Feb 1992 | | December 1943 | Elm View Farley Green, Albury, Guildford, Surrey, GU5 9DN |
| LASSEN, Richard Guy RESIGNED | Director | 01 Jul 1993 | 26 Sep 1996 | England | November 1945 | The Coach House, 27 Southern Road, Lymington, Hampshire, SO41 9HR |
| LAZENBY, Michael John RESIGNED | Director | 01 Jul 1993 | 28 Mar 1996 | | May 1955 | Cherry Tree House, 8 Whistle Fields Cottages Overstone, Northampton, Northamptonshire, NN6 0AP |
| LEATHERLAND, Howard RESIGNED | Director | 01 Feb 2013 | 31 Aug 2023 | England | August 1965 | Nationwide House, Pipers Way, Swindon, SN38 1SN, England |
| MCQUEEN, Michael Robert RESIGNED | Director | | 06 Jan 1992 | | March 1954 | 12 Rowsley Avenue, Hendon, London, NW4 1AJ |
| RENNISON, Mark Martin RESIGNED | Director | 02 Apr 2007 | 13 Sep 2019 | England | August 1960 | Nationwide House, Pipers Way, Swindon, SN38 1NW |
| RHODES, Christopher Stuart RESIGNED | Director | 13 Sep 2019 | 06 Sep 2024 | United Kingdom | March 1963 | Nationwide House, Pipers Way, Swindon, SN38 1NW, United Kingdom |
| RICHARDSON, Peter RESIGNED | Director | 08 Jun 1994 | 18 Dec 1995 | | November 1952 | Fieldway, 51 Grove Road Knowle, Solihull, West Midlands, B93 0PJ |
| TEMPLEMAN, Nicola Ann RESIGNED | Director | 06 Jan 1992 | 01 Jul 1993 | | | 100 Molrams Lane, Great Baddow, Chelmsford, Essex, CM2 7AL |
| THOMAS, Simon George RESIGNED | Director | 16 Mar 1998 | 24 May 2000 | | January 1964 | 7 Lichfield Close, Kislingbury, Northamptonshire, NN7 4EQ |
| WEBSTER, Mark Charles Anthony RESIGNED | Director | 14 Mar 2003 | 01 Apr 2014 | England | July 1959 | Nationwide House, Pipers Way, Swindon, SN38 1NW |
| WILLIAMSON, Philip Frederick RESIGNED | Director | 18 Dec 1995 | 07 Jun 1999 | | December 1947 | 15 Lucastes Lane, Haywards Heath, West Sussex, RH16 1LB |
| WILLIS, Mark Andrew RESIGNED | Director | 26 Sep 1996 | 27 Jul 2012 | England | March 1958 | Nationwide House, Pipers Way, Swindon, SN38 1NW |
| WILSON, Charles Richard Lorimer RESIGNED | Director | 03 Feb 1992 | 01 Jul 1993 | | November 1949 | College Farm Barn, Garford, Abingdon, Oxfordshire, OX13 5PF |
| WOOD, Jeremy Robin RESIGNED | Director | 04 Sep 1995 | 01 Jan 2002 | | April 1961 | Lindlea, Hall Lane, Little Brington, Northamptonshire, NN7 4HX |