| CAIRNEY, Daniel Michael ACTIVE | Secretary | 01 Sep 2026 | | | | Keller Limited, Oxford Road, Ryton-On-Dunsmore, Coventry, CV8 3EG |
| CAIRNEY, Daniel Michael ACTIVE | Director | 03 Dec 2019 | | England | August 1965 | Keller Limited, Oxford Road, Ryton-On-Dunsmore, Coventry, CV8 3EG |
| FLETCHER, Julian Jon ACTIVE | Director | 01 Jan 2010 | | United Kingdom | December 1969 | Keller Limited, Oxford Road, Ryton-On-Dunsmore, Coventry, CV8 3EG |
| STELTE, Manuel ACTIVE | Director | 01 Sep 2026 | | Germany | February 1973 | Keller Limited, Oxford Road, Ryton-On-Dunsmore, Coventry, CV8 3EG |
| WAGHORN, Andrew Iain ACTIVE | Director | 01 Sep 2026 | | England | August 1980 | Keller Limited, Oxford Road, Ryton-On-Dunsmore, Coventry, CV8 3EG |
| BARRATT, Roger Bryan RESIGNED | Secretary | 01 Jan 2002 | 04 Mar 2019 | | | Keller Limited, Oxford Road, Ryton-On-Dunsmore, Coventry, CV8 3EG |
| KEMP, Martin Thomas RESIGNED | Secretary | 07 Oct 2024 | 28 Jul 2026 | | | Keller Limited, Oxford Road, Ryton-On-Dunsmore, Coventry, CV8 3EG |
| REID, William Marston RESIGNED | Secretary | 04 Mar 2019 | 07 Oct 2024 | | | Keller Limited, Oxford Road, Ryton-On-Dunsmore, Coventry, CV8 3EG |
| WHITEHOUSE, Kevan RESIGNED | Secretary | | 01 Jan 2002 | | | Ridgeacre 23 Pilkington Avenue, Sutton Coldfield, West Midlands, B72 1LA |
| ATKINSON, Justin Richard RESIGNED | Director | 01 Feb 2004 | 30 Jun 2015 | England | December 1960 | Keller Limited, Oxford Road, Ryton-On-Dunsmore, Coventry, CV8 3EG |
| BARRATT, Roger Bryan RESIGNED | Director | 01 Jan 2002 | 05 Apr 2019 | United Kingdom | February 1960 | Keller Limited, Oxford Road, Ryton-On-Dunsmore, Coventry, CV8 3EG |
| BELL, Allan Lyness, Doctor RESIGNED | Director | | 18 Dec 2008 | | October 1950 | 1 Wharfe Grove, Wetherby, West Yorkshire, LS22 6HA |
| CHIPP, Peter Nicholas RESIGNED | Director | 01 Oct 1998 | 31 Dec 2002 | England | December 1952 | Mill Stones, Mill Lane, Walkeringham, Doncaster, South Yorkshire, DN10 4HY |
| CROCKFORD, Richard Mark RESIGNED | Director | 08 Sep 2003 | 25 Feb 2005 | | April 1963 | Sandpiper Cottage, Kirkby Lane, Kearby, Wetherby, West Yorkshire, LS22 4BR |
| DE SOUSA NETO, David RESIGNED | Director | 03 Jan 2023 | 31 Aug 2026 | United Kingdom | November 1969 | Keller Limited, Oxford Road, Ryton-On-Dunsmore, Coventry, CV8 3EG |
| DE WAELE, James Emile RESIGNED | Director | 01 Oct 2008 | 19 May 2023 | United Kingdom | December 1967 | Keller Limited, Oxford Road, Ryton-On-Dunsmore, Coventry, CV8 3EG |
| DOBSON, Thomas RESIGNED | Director | 01 Feb 1995 | 31 Mar 2004 | | February 1943 | 1078 Foxcroft Run, Annapolis Md21401, Maryland Usa |
| HIND, James William George RESIGNED | Director | 01 Feb 2004 | 20 Aug 2018 | England | April 1964 | Keller Limited, Oxford Road, Ryton-On-Dunsmore, Coventry, CV8 3EG |
| HOLMES, Richard David RESIGNED | Director | 01 Mar 2013 | 03 Oct 2017 | England | September 1962 | Keller Limited, Oxford Road, Ryton-On-Dunsmore, Coventry, CV8 3EG |
| HUBBACK, Joseph Christopher RESIGNED | Director | 01 Jan 2019 | 13 Feb 2020 | England | October 1976 | Keller Limited, Oxford Road, Ryton-On-Dunsmore, Coventry, CV8 3EG |
| KEMP, Martin Thomas RESIGNED | Director | 07 Oct 2024 | 28 Jul 2026 | England | June 1974 | Keller Limited, Oxford Road, Ryton-On-Dunsmore, Coventry, CV8 3EG |
| KING, Roy Henry RESIGNED | Director | | 31 Dec 1998 | | March 1948 | Sound Furlong Farm, East Haddon, Northampton, Northamptonshire, NN6 8DU |
| MARTIN, Michael William Colin RESIGNED | Director | | 31 Jan 2004 | | July 1941 | Laudshill 12 Boat Horse Lane, Crick, Northampton, Northamptonshire, NN6 7TH |
| O'HARA, Vincent RESIGNED | Director | 08 Sep 2003 | 30 Apr 2009 | | March 1957 | 35 Broad Oak Court, Lillington Road, Leamington Spa, Warwickshire, CV32 5YS |
| PORRITT, Kerry Anne Abigail RESIGNED | Director | 20 Aug 2018 | 05 Dec 2025 | England | December 1970 | Keller Limited, Oxford Road, Ryton-On-Dunsmore, Coventry, CV8 3EG |
| REID, William Marston RESIGNED | Director | 04 Mar 2019 | 07 Oct 2024 | England | November 1986 | Keller Limited, Oxford Road, Ryton-On-Dunsmore, Coventry, CV8 3EG |
| SNELL, Trevor John RESIGNED | Director | 08 May 2006 | 31 Dec 2014 | England | December 1965 | Keller Limited, Oxford Road, Ryton-On-Dunsmore, Coventry, CV8 3EG |
| THEOS, John Frank RESIGNED | Director | 01 Jan 2006 | 03 Feb 2008 | | August 1966 | Witton House, East Harlsey, Northallerton, North Yorkshire, DL6 2DF |
| THOMPSON, Robert Malcolm RESIGNED | Director | 08 Jul 2008 | 03 Jan 2023 | United Kingdom | August 1959 | Keller Limited, Oxford Road, Ryton-On-Dunsmore, Coventry, CV8 3EG |
| WEST, John Michael, Dr RESIGNED | Director | | 31 Dec 1997 | | August 1937 | 20 Woodland Gardens, London, N10 3UA |
| WHITEHOUSE, Kevan RESIGNED | Director | | 01 Jan 2002 | England | December 1958 | Ridgeacre 23 Pilkington Avenue, Sutton Coldfield, West Midlands, B72 1LA |