| ARGYLE, Michael John ACTIVE | Director | 03 Jun 2016 | | England | July 1961 | 3 Castlegate, Grantham, Lincolnshire, NG31 6SF, England |
| BRIGHT, Rebecca Ruth Diane ACTIVE | Director | 06 Jan 2026 | | England | October 1978 | 3 Castlegate, Grantham, Lincolnshire, NG31 6SF, England |
| CODD, Amy Louise ACTIVE | Director | 08 Aug 2022 | | England | February 1971 | 3 Castlegate, Grantham, Lincolnshire, NG31 6SF, England |
| HILLS, Graeme ACTIVE | Director | 03 Jun 2016 | | England | August 1981 | 3 Castlegate, Grantham, Lincolnshire, NG31 6SF, England |
| NEWITT, Christine ACTIVE | Director | 03 Jun 2016 | | England | February 1963 | 3 Castlegate, Grantham, Lincolnshire, NG31 6SF, England |
| PHILLIPS, Keith ACTIVE | Director | 03 Jun 2016 | | England | November 1962 | 3 Castlegate, Grantham, Lincolnshire, NG31 6SF, England |
| SMITH, Michael Nicholas ACTIVE | Director | 03 Jun 2016 | | England | April 1966 | 3 Castlegate, Grantham, Lincolnshire, NG31 6SF, England |
| SMITHSON, Daniel ACTIVE | Director | 06 Jan 2026 | | United Kingdom | October 1987 | 3 Castlegate, Grantham, Lincolnshire, NG31 6SF, England |
| ANDREW, John Duncan RESIGNED | Director | 03 Jun 2016 | 07 Apr 2017 | England | March 1958 | 3 Castlegate, Grantham, Lincolnshire, NG31 6SF, England |
| ATTERBURY, Lindsey Ann RESIGNED | Director | 31 Jul 2018 | 23 Jan 2019 | England | July 1971 | 3 Castlegate, Grantham, Lincolnshire, NG31 6SF, England |
| BOTLEY, Kay RESIGNED | Director | 03 Apr 2018 | 06 Jan 2026 | United Kingdom | February 1978 | 3 Castlegate, Grantham, Lincolnshire, NG31 6SF, England |
| CHATTERTON, Mark Henry RESIGNED | Director | 03 Jun 2016 | 06 Jan 2026 | United Kingdom | February 1967 | 3 Castlegate, Grantham, Lincolnshire, NG31 6SF, England |
| ENGLAND, Graham Brian RESIGNED | Director | 05 Jan 2017 | 31 Jul 2018 | England | August 1960 | 3 Castlegate, Grantham, Lincolnshire, NG31 6SF, England |
| GODSON, Timothy George RESIGNED | Director | 03 Jun 2016 | 27 Jan 2025 | England | March 1965 | 3 Castlegate, Grantham, Lincolnshire, NG31 6SF, England |
| GRATTON, David Alan James RESIGNED | Director | 03 Jun 2016 | 04 Jun 2024 | England | August 1957 | 3 Castlegate, Grantham, Lincolnshire, NG31 6SF, England |
| HINDMARCH, Mark Thomas RESIGNED | Director | 03 Jun 2016 | 31 Mar 2026 | England | October 1963 | 14 All Saints Street, Stamford, Lincolnshire, PE9 2PA, England |
| PHILLIPS, Ian RESIGNED | Director | 03 Jun 2016 | 04 Jun 2024 | United Kingdom | April 1957 | 14 London Road, Newark, Nottinghamshire, NG24 1TW, England |
| REYNOLDS, Adrian Nigel RESIGNED | Director | 03 Jun 2016 | 06 Jan 2026 | United Kingdom | January 1960 | 3 Castlegate, Grantham, Lincolnshire, NG31 6SF, England |
| SEVERN, Andrew Clive RESIGNED | Director | 03 Jun 2016 | 06 Jan 2026 | England | November 1959 | 3 Castlegate, Grantham, Lincolnshire, NG31 6SF, England |
| SYDDALL, Simon Nicholas RESIGNED | Director | 03 Jun 2016 | 03 Jun 2024 | England | November 1957 | 3 Castlegate, Grantham, Lincolnshire, NG31 6SF, England |
| TAYLOR, Mark Ashley RESIGNED | Director | 03 Jun 2016 | 06 Jan 2026 | England | June 1971 | 3 Castlegate, Grantham, Lincolnshire, NG31 6SF, England |