| BRAIN, Damon Alec ACTIVE | Director | 23 Sep 2014 | | England | October 1977 | 3 Castlegate, Grantham, Lincolnshire, NG31 6SF, England |
| SMITH, Michael Nicholas ACTIVE | Director | 07 Jun 2024 | | England | April 1966 | 3 Castlegate, Grantham, Lincolnshire, NG31 6SF, United Kingdom |
| ANDREW, John Duncan RESIGNED | Director | 23 Sep 2014 | 07 Apr 2017 | England | March 1958 | 3 Castlegate, Grantham, Lincolnshire, NG31 6SF, England |
| ARGYLE, Michael John RESIGNED | Director | 23 Sep 2014 | 18 Sep 2023 | England | July 1961 | 3 Castlegate, Grantham, Lincolnshire, NG31 6SF, England |
| BOTLEY, Kay RESIGNED | Director | 03 Apr 2018 | 18 Sep 2023 | United Kingdom | February 1978 | 3 Castlegate, Grantham, Lincolnshire, NG31 6SF, England |
| CHATTERTON, Mark Henry RESIGNED | Director | 23 Sep 2014 | 18 Sep 2023 | United Kingdom | February 1967 | 3 Castlegate, Grantham, Lincolnshire, NG31 6SF, England |
| CUDMORE, Nicholas Peter RESIGNED | Director | 23 Sep 2014 | 07 Apr 2020 | England | September 1956 | 3 Castlegate, Grantham, Lincolnshire, NG31 6SF, England |
| GODSON, Timothy George RESIGNED | Director | 23 Sep 2014 | 18 Sep 2023 | England | March 1965 | 3 Castlegate, Grantham, Lincolnshire, NG31 6SF, England |
| GRATTON, David Alan James RESIGNED | Director | 23 Sep 2014 | 18 Sep 2023 | England | August 1957 | 3 Castlegate, Grantham, Lincolnshire, NG31 6SF, England |
| HILLS, Graeme RESIGNED | Director | 01 Apr 2017 | 18 Sep 2023 | England | August 1981 | 3 Castlegate, Grantham, Lincolnshire, NG31 6SF, England |
| HINDMARCH, Mark Thomas RESIGNED | Director | 23 Sep 2014 | 18 Sep 2023 | England | October 1963 | 3 Castlegate, Grantham, Lincolnshire, NG31 6SF, England |
| NEWITT, Christine RESIGNED | Director | 23 Sep 2014 | 18 Sep 2023 | England | February 1963 | 3 Castlegate, Grantham, Lincolnshire, NG31 6SF, England |
| PHILLIPS, Ian RESIGNED | Director | 23 Sep 2014 | 18 Sep 2023 | United Kingdom | April 1957 | 3 Castlegate, Grantham, Lincolnshire, NG31 6SF, England |
| PHILLIPS, Keith RESIGNED | Director | 23 Sep 2014 | 18 Sep 2023 | England | November 1962 | 3 Castlegate, Grantham, Lincolnshire, NG31 6SF, England |
| REYNOLDS, Adrian Nigel RESIGNED | Director | 01 Sep 2014 | 07 Jun 2024 | United Kingdom | January 1960 | 3 Castlegate, Grantham, Lincolnshire, NG31 6SF, England |
| SEVERN, Andrew Clive RESIGNED | Director | 11 Jul 2014 | 18 Sep 2023 | England | November 1959 | 3 Castlegate, Grantham, Lincolnshire, NG31 6SF, England |
| SMITH, Michael Nicholas RESIGNED | Director | 23 Sep 2014 | 18 Sep 2023 | England | April 1966 | 3 Castlegate, Grantham, Lincolnshire, NG31 6SF, England |
| SYDDALL, Simon Nicholas RESIGNED | Director | 23 Sep 2014 | 18 Sep 2023 | England | November 1957 | 3 Castlegate, Grantham, Lincolnshire, NG31 6SF, England |
| TAYLOR, Mark Ashley RESIGNED | Director | 01 Apr 2015 | 18 Sep 2023 | England | June 1971 | 3 Castlegate, Grantham, Lincolnshire, NG31 6SF, England |