| KELLY, Susan Kathleen ACTIVE | Secretary | 21 Dec 2007 | | | | Linde, Forge, 43 Church Street West, Woking, Surrey, GU21 6HT, England |
| BLAND, Julian Michael ACTIVE | Director | 01 Sep 2026 | | England | April 1967 | Linde, Forge, 43 Church Street West, Woking, Surrey, GU21 6HT, England |
| COSSINS, Christopher James ACTIVE | Director | 15 Oct 2021 | | England | November 1966 | Linde, Forge, 43 Church Street West, Woking, Surrey, GU21 6HT, England |
| KELLY, Susan Kathleen ACTIVE | Director | 11 Mar 2009 | | England | July 1966 | Linde, Forge, 43 Church Street West, Woking, Surrey, GU21 6HT, England |
| BRACKFIELD, Andrew Christopher RESIGNED | Secretary | 20 Jul 2007 | 21 Dec 2007 | | | The Linde Group, Priestley Centre 10 Priestley Rd, Surrey Research Park, Guildford, Surrey, GU2 7XY |
| HUNT, Carol Anne RESIGNED | Secretary | 02 Dec 1994 | 02 Oct 2006 | | | The Boc Group, Chertsey Road, Windlesham, Surrey, GU20 6HJ |
| LARKINS, Sarah Louise RESIGNED | Secretary | 03 Oct 2006 | 20 Jul 2007 | | | 11 Bluebell Road, Lindford, Bordon, Hampshire, GU35 0YN |
| PAVEY, David Gordon RESIGNED | Secretary | | 02 Dec 1994 | | | 28 Malthouse Close, Church Crookham, Fleet, Hampshire, GU13 0TB |
| BAKER, Ian Kenneth Hood RESIGNED | Director | | 15 Dec 2000 | | September 1951 | 33 Atfield Grove, Windlesham, Surrey, GU20 6DP |
| BLAND, Julian Michael RESIGNED | Director | 23 May 2018 | 31 Aug 2026 | England | April 1967 | Linde, Forge, 43 Church Street West, Woking, Surrey, GU21 6HT, England |
| BRACKFIELD, Andrew Christopher RESIGNED | Director | 26 Jun 2007 | 31 Dec 2018 | England | March 1956 | The Linde Group, Priestley Centre 10 Priestley Rd, Surrey Research Park, Guildford, Surrey, GU2 7XY |
| DEEMING, Nicholas RESIGNED | Director | 11 Sep 2001 | 26 Jun 2007 | | February 1954 | The Boc Group Plc, Chertsey Road, Windlesham, Surrey, GU20 6HJ |
| DENNIS, Michael RESIGNED | Director | 01 Jul 2009 | 10 Apr 2012 | | November 1958 | Boc Limited, Priestley Centre, 10 Priestley Road, Guildford, Surrey, GU2 7XY |
| DEVERS, Dorian Kevin Thomas RESIGNED | Director | 21 Jan 2013 | 28 Jul 2017 | England | December 1975 | The Linde Group The Priestley Centre, 10 Priestley Road, Surrey Research Park, Guildford, Surrey, GU2 7XY, England |
| FINKEN, Thorben, Dr RESIGNED | Director | 22 Dec 2008 | 20 Jan 2013 | England | May 1971 | The Linde Group, The Priestley Centre, 10 Priestley Road, Surrey Research Park, Guildford, Surrey, GU2 7XY |
| HUNT, Carol Anne RESIGNED | Director | 15 Dec 2000 | 02 Oct 2006 | | April 1961 | The Boc Group, Chertsey Road, Windlesham, Surrey, GU20 6HJ |
| LARKINS, Sarah Louise RESIGNED | Director | 03 Oct 2006 | 20 Jul 2007 | | November 1974 | 11 Bluebell Road, Lindford, Bordon, Hampshire, GU35 0YN |
| LEWIS, Nigel Andrew RESIGNED | Director | 16 Aug 2008 | 30 Jun 2009 | United Kingdom | April 1956 | The Linde Group The Priestley, Centre 10 Priestley Rd The Surrey, Research Park, Guildford, Surrey, GU2 7XY |
| LLOYD, Caroline Mary RESIGNED | Director | 09 Dec 2000 | 11 Sep 2001 | England | October 1961 | The Little House, Knightons Lane, Dunsfold, Godalming, Surrey, GU8 4NU |
| MOBERLY, Andrew John RESIGNED | Director | 12 Feb 1999 | 15 Dec 2000 | | August 1960 | 64 St Marks Road, Henley On Thames, Oxfordshire, RG9 1LW |
| MOSTYN, Gareth RESIGNED | Director | 21 Dec 2007 | 15 Aug 2008 | | June 1972 | The Linde Group The Priestley Centre, 10 Priestley Road Surrey Research Park, Guildford, Surrey, GU2 7XY |
| PALMER, Nathan RESIGNED | Director | 10 Apr 2012 | 15 Apr 2016 | England | December 1970 | The Linde Group, The Priestley Centre, 10 Priestley Road, Guildford, Surrey, GU2 7XY, England |
| PATTERSON, Benjamin RESIGNED | Director | 07 Sep 2018 | 09 Oct 2024 | England | May 1962 | Linde, Forge, 43 Church Street West, Woking, Surrey, GU21 6HT, England |
| PAVEY, David Gordon RESIGNED | Director | | 02 Dec 1994 | | June 1962 | 28 Malthouse Close, Church Crookham, Fleet, Hampshire, GU13 0TB |
| PREBBLE, John Mark Selwyn RESIGNED | Director | 02 Dec 1994 | 03 Jul 1995 | | August 1952 | Carbery Mount Pleasant, Hartley Wintney, Basingstoke, Hampshire, RG27 8PW |
| SMALL, Jeremy Peter RESIGNED | Director | 03 Jul 1995 | 12 Feb 1999 | England | January 1965 | Cherry Trees, West Heath, Pirbright, Surrey, GU24 0JQ |
| SPENCE, Patrick Charles Gordon RESIGNED | Director | 20 Jul 2007 | 21 Dec 2007 | | June 1958 | The Boc Group, Chertsey Road, Windlesham, Surrey, GU20 6HJ |
| WILLIAMS, Sally Ann RESIGNED | Director | 14 Jan 2016 | 31 Aug 2026 | England | August 1970 | Linde, Forge, 43 Church Street West, Woking, Surrey, GU21 6HT, England |