| NBS COSEC LIMITED ACTIVE | Secretary | 18 Jan 2019 | | | | Nationwide House, Pipers Way, Swindon, SN38 1NW, United Kingdom |
| BATES, Peter John ACTIVE | Director | 06 May 2021 | | England | January 1980 | Nationwide House, Pipers Way, Swindon, SN38 1NW, United Kingdom |
| HOLMES, Laura ACTIVE | Director | 16 Dec 2022 | | England | April 1983 | Nationwide House, Pipers Way, Swindon, SN38 1NW |
| LINDSEY, Jason David RESIGNED | Secretary | 01 Apr 2011 | 30 Nov 2016 | | | Nationwide House, Pipers Way, Swindon, SN38 1NW, United Kingdom |
| ORME, Victoria Helen RESIGNED | Secretary | 30 Nov 2016 | 18 Jan 2019 | | | Nationwide House, Pipers Way, Swindon, SN38 1NW, United Kingdom |
| PAUL, Julyan RESIGNED | Secretary | 15 Jun 2010 | 01 Apr 2011 | | | Nationwide House, Pipers Way, Swindon, Wiltshire, SN38 1NW |
| PRITCHARD, Sandra RESIGNED | Secretary | 04 Apr 2006 | 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 |
| VINALL, Philip Gary RESIGNED | Secretary | 13 May 2008 | 15 Jun 2010 | | | 11 Kiln Close, Hermitage, Thatcham, Berkshire, RG18 9TQ |
| ALDRICH, Robert Charles RESIGNED | Director | 23 Mar 2011 | 31 Mar 2014 | United Kingdom | March 1965 | Nationwide House, Pipers Way, Swindon, SN38 1NW, United Kingdom |
| ALEXANDER, Anthony John RESIGNED | Director | 04 Apr 2006 | 06 May 2021 | England | December 1963 | Nationwide House, Pipers Way, Swindon, SN38 1NW, United Kingdom |
| BANKS, Janice Willmott RESIGNED | Director | 04 Apr 2006 | 28 Feb 2007 | England | September 1960 | 7, Bristol Road, Chippenham, Wiltshire, SN15 4BQ |
| CONWELL, Tracy RESIGNED | Director | 14 May 2014 | 16 Feb 2021 | United Kingdom | June 1963 | Nationwide House, Pipers Way, Swindon, SN38 1NW, United Kingdom |
| DAVIS, Alissa Carol RESIGNED | Director | 16 Feb 2021 | 30 Sep 2022 | United Kingdom | June 1975 | Nationwide House, Pipers Way, Swindon, SN38 1NW, United Kingdom |
| FLAVIANI, Louisa RESIGNED | Director | 01 Feb 2010 | 14 May 2014 | England | December 1973 | Nationwide House, Pipers Way, Swindon, Wiltshire, SN38 1NW |
| HANSON, Jane Margaret Morse RESIGNED | Director | 01 Sep 2019 | 16 Dec 2022 | England | September 1972 | Nationwide House, Pipers Way, Swindon, SN38 1NW, United Kingdom |
| PALMER, Darren RESIGNED | Director | 04 Apr 2006 | 01 Feb 2010 | | August 1965 | 6 Primrose Walk, Grange Park, Northampton, Northamptonshire, NN4 5DE |
| RIGNEY, David James RESIGNED | Director | 04 Apr 2006 | 02 Jan 2007 | United Kingdom | June 1963 | Dovecote Barn, 3 Powell Court, Bottoms Farm Lane, Doynton, Bristol, BS30 5TY |
| ROBB, Alison Jane RESIGNED | Director | 31 Mar 2014 | 01 Sep 2019 | England | February 1969 | Nationwide Building Society, Nationwide House, Pipers Way, Swindon, SN38 1SN, United Kingdom |
| TEBBOTH, James Richard RESIGNED | Director | 02 Aug 2021 | 04 Jan 2022 | United Kingdom | October 1972 | Nationwide House, Pipers Way, Swindon, SN38 1NW, United Kingdom |
| WRIGHTHOUSE, John Derek RESIGNED | Director | 02 Jan 2007 | 31 Jul 2011 | England | June 1964 | Nationwide House, Pipers Way, Swindon, Wiltshire, SN38 1NW |