| NBS COSEC LIMITED ACTIVE | Secretary | 18 Jan 2019 | | | | Nationwide House, Pipers Way, Swindon, SN38 1NW, United Kingdom |
| ALEXANDER, Anthony John ACTIVE | Director | 27 Jul 2017 | | England | December 1963 | Nationwide House, Pipers Way, Swindon, SN38 1NW, United Kingdom |
| RHODES, Christopher Stuart ACTIVE | Director | 13 Sep 2019 | | United Kingdom | March 1963 | Nationwide House, Pipers Way, Swindon, SN38 1NW, United Kingdom |
| BANKS, Janice Willmott RESIGNED | Secretary | 21 Sep 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 2011 | 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 | 21 Sep 1993 | | | 100 Molrams Lane, Great Baddow, Chelmsford, Essex, CM2 7AL |
| VINALL, Philip Gary RESIGNED | Secretary | 13 May 2008 | 04 Jan 2011 | | | Nationwide House, Pipers Way, Swindon, SN38 1NW |
| ATKINSON, Jonathan Mark RESIGNED | Director | 19 Aug 2000 | 22 Mar 2009 | | September 1961 | 39 Kendal Close, Northampton, Northamptonshire, NN3 6WJ |
| BANKS, Janice Willmott RESIGNED | Director | 21 Sep 1993 | 28 Mar 1994 | England | September 1960 | 7, Bristol Road, Chippenham, Wiltshire, SN15 4BQ |
| BEALE, Graham John RESIGNED | Director | 01 Jan 2002 | 05 Apr 2003 | | October 1958 | 6 Hids Copse Road, Cumnor Hill, Oxford, Oxfordshire, OX2 9JJ |
| 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 |
| 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 | 27 Jul 2017 | United Kingdom | July 1960 | Nationwide House, Pipers Way, Swindon, SN38 1NW |
| HARVEY, Richard William Hyde RESIGNED | Director | 09 Jun 1995 | 30 May 1997 | United Kingdom | November 1949 | 38 Rectory Lane, Orlingbury, Kettering, Northamptonshire, NN14 1JH |
| 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 |
| MARSDEN, Michael John RESIGNED | Director | 09 Jun 1995 | 09 Jan 1998 | | April 1940 | 94 Greenfield Road, Flitton, Bedfordshire, MK45 5DR |
| MCQUEEN, Michael Robert RESIGNED | Director | | 06 Jan 1992 | | March 1954 | 12 Rowsley Avenue, Hendon, London, NW4 1AJ |
| MORANT, Rodney Leslie RESIGNED | Director | 28 Mar 1994 | 09 Jan 1998 | | March 1943 | Redwood North Road, Bath, Somerset, BA2 6HX |
| O'REILLY, Martin Neil RESIGNED | Director | 18 Sep 1995 | 11 Sep 2000 | | August 1962 | 2 Lyle Court, Wellingborough, Northamptonshire, NN8 5WJ |
| RENNISON, Mark Martin RESIGNED | Director | 02 Apr 2007 | 13 Sep 2019 | England | August 1960 | Nationwide House, Pipers Way, Swindon, SN38 1NW |
| RICHARDSON, Peter RESIGNED | Director | 09 Jun 1995 | 18 Dec 1995 | | November 1952 | Fieldway, 51 Grove Road Knowle, Solihull, West Midlands, B93 0PJ |
| TEMPLEMAN, Nicola Ann RESIGNED | Director | 06 Jan 1992 | 21 Sep 1993 | | | 100 Molrams Lane, Great Baddow, Chelmsford, Essex, CM2 7AL |
| THOMAS, Simon George RESIGNED | Director | 26 Jun 1997 | 24 May 2000 | | January 1964 | 7 Lichfield Close, Kislingbury, Northamptonshire, NN7 4EQ |
| WILLIAMSON, Philip Frederick RESIGNED | Director | 18 Dec 1995 | 07 Jun 1999 | | December 1947 | 15 Lucastes Lane, Haywards Heath, West Sussex, RH16 1LB |
| WILLIAMSON, Philip Frederick RESIGNED | Director | 28 Mar 1994 | 09 Jun 1995 | | December 1947 | 6 Lone Pine Court, Brixworth, Northampton, Northamptonshire, NN6 9EH |
| WILLINGHAM, Steven Craig RESIGNED | Director | 30 Mar 1999 | 10 Sep 2003 | United Kingdom | October 1969 | 1 Pine Copse Close, Duston, Northampton, NN5 6NF |
| WILSON, Charles Richard Lorimer RESIGNED | Director | 03 Feb 1992 | 28 Mar 1994 | | November 1949 | College Farm Barn, Garford, Abingdon, Oxfordshire, OX13 5PF |
| WOOD, Jeremy Robin RESIGNED | Director | 28 Mar 1994 | 01 Jan 2002 | | April 1961 | Lindlea, Hall Lane, Little Brington, Northamptonshire, NN7 4HX |