| BINGHAM, Pamela Ann ACTIVE | Director | 31 Mar 2026 | | United Kingdom | June 1969 | C/O The Alumasc Group Plc, Station Road, Burton Latimer, Kettering, Northamptonshire, NN15 5JP, United Kingdom |
| BURNAP, Peter ACTIVE | Director | | | United Kingdom | August 1955 | C/O The Alumasc Group Plc, Station Road Burton Latimer, Kettering, Northamptonshire, NN15 5JP |
| DRAY, Simon John ACTIVE | Director | 12 Jun 2026 | | United Kingdom | February 1969 | C/O The Alumasc Group Plc, Station Road Burton Latimer, Kettering, Northamptonshire, NN15 5JP |
| JOWETT, Jonathan David RESIGNED | Secretary | 28 Jan 1997 | 01 Mar 1999 | | | 9 Hodnet Close, East Hunsbury, Northampton, Northants, NN4 0XY |
| MAGSON, Andrew RESIGNED | Secretary | 02 Oct 2006 | 06 Feb 2020 | | | C/O The Alumasc Group Plc, Station Road Burton Latimer, Kettering, Northamptonshire, NN15 5JP |
| SOWERBY, David Richard RESIGNED | Secretary | 01 Mar 1999 | 02 Oct 2006 | | | Tilbrook Mill Farmhouse, Lower Dean, Huntingdon, Cambs, PE28 0LH |
| SOWERBY, David Richard RESIGNED | Secretary | | 28 Jan 1997 | | | 6 Church Way, Denton, Northampton, NN7 1DG |
| AINSWORTH, John Richard RESIGNED | Director | 11 Jan 1996 | 16 May 1997 | | December 1943 | Four Winds 24 Coundon Green, Coventry, West Midlands, CV6 2AL |
| ASHTON, Helen Louise RESIGNED | Director | 07 May 2019 | 12 Jun 2026 | England | June 1962 | C/O The Alumasc Group Plc, Station Road Burton Latimer, Kettering, Northamptonshire, NN15 5JP |
| BAILIE, William Henry Mccracken RESIGNED | Director | | 29 Aug 2003 | | August 1942 | Cleemack, The Green, Cuddington Aylesbury, Bucks, HP18 |
| BUCKINGHAM, Nicholas John RESIGNED | Director | 11 Aug 2009 | 27 Oct 2014 | England | October 1960 | C/O The Alumasc Group Plc, Station Road Burton Latimer, Kettering, Northamptonshire, NN15 5JP |
| HARVEY, David Martin RESIGNED | Director | | 20 Aug 2009 | | August 1944 | 68 Nursery Lane, Whitfield, Dover, Kent, CT16 3EX |
| HEATH, Sarah Margaret RESIGNED | Director | 16 Oct 2015 | 20 Jul 2017 | United Kingdom | August 1975 | C/O The Alumasc Group Plc, Station Road Burton Latimer, Kettering, Northamptonshire, NN15 5JP |
| HOOPER, Graham Paul RESIGNED | Director | 29 Aug 2003 | 31 Mar 2026 | England | March 1956 | C/O The Alumasc Group Plc, Station Road Burton Latimer, Kettering, Northamptonshire, NN15 5JP |
| JAMES, Nicola Elaine Cecilia RESIGNED | Director | 27 Oct 2014 | 16 Oct 2015 | England | May 1961 | C/O The Alumasc Group Plc, Station Road Burton Latimer, Kettering, Northamptonshire, NN15 5JP |
| LEE, Sarah RESIGNED | Director | 14 Sep 2018 | 07 May 2019 | United Kingdom | September 1979 | C/O The Alumasc Group Plc, Station Road Burton Latimer, Kettering, Northamptonshire, NN15 5JP |
| LITTLE, Colin George RESIGNED | Director | | 29 Sep 2006 | | December 1940 | 14 Castle Drive, Whitfield, Dover, Kent, CT16 3EN |
| MAGSON, Andrew RESIGNED | Director | 02 Oct 2006 | 06 Feb 2020 | United Kingdom | September 1966 | C/O The Alumasc Group Plc, Station Road Burton Latimer, Kettering, Northamptonshire, NN15 5JP |
| PERKINS, Ian Hedley RESIGNED | Director | 18 Aug 2008 | 02 May 2012 | United Kingdom | October 1956 | Penny Cress, The Street, Worth, Nr Deal, Kent, CT14 0DD |
| REID, Michael Alexander Walker RESIGNED | Director | | 23 Aug 1993 | | April 1935 | Brookhouses Lane Head Road, Little Hayfield, High Peak, Derbyshire, SK22 2NS |
| SOWERBY, David Richard RESIGNED | Director | | 02 Oct 2006 | | February 1945 | Tilbrook Mill Farmhouse, Lower Dean, Huntingdon, Cambs, PE28 0LH |
| WEATHERHEAD, Michael George Marlow RESIGNED | Director | | 08 Apr 2008 | | June 1949 | 11 Milton Close, Dover, Kent, CT16 2BG |