| AHUJA, Vaibhav, Mr. ACTIVE | Director | 27 May 2025 | | England | August 1992 | The Akzonobel Building, Wexham Road, Slough, SL2 5DS, United Kingdom |
| SUFF, Graeme ACTIVE | Director | 01 Aug 2024 | | United Kingdom | September 1978 | The Akzonobel Building, Wexham Road, Slough, SL2 5DS, United Kingdom |
| CARTER, Lynette Jean Cherryl RESIGNED | Secretary | 30 Jul 2021 | 10 Feb 2025 | | | The Akzonobel Building, Wexham Road, Slough, SL2 5DS, United Kingdom |
| CARTER, Lynette Jean Cherryl RESIGNED | Secretary | 11 May 2017 | 31 May 2018 | | | The Akzonobel Building, Wexham Road, Slough, SL2 5DS, United Kingdom |
| FREW, Alan Dalziel RESIGNED | Secretary | | 31 Oct 1993 | | | The White House, Chinnor Road, Bledlow Ridge, Buckinghamshire, HP14 4AA |
| HIRST, Margaret RESIGNED | Secretary | 01 Sep 2004 | 27 Apr 2009 | | | 9 Stoneybeck, Bishop Middleham, Ferryhill, County Durham, DL17 9BL |
| KAY, John Lawrence RESIGNED | Secretary | 01 Nov 1993 | 01 Sep 2004 | | | Wabun Garbutts Lane, Hutton Rudby, Yarm, Cleveland, TS15 0DL |
| O.H. SECRETARIAT LIMITED RESIGNED | Secretary | 27 Apr 2009 | 11 May 2017 | | | The Akzonobel Building, Wexham Road, Slough, SL2 5DS, United Kingdom |
| BEW, Robert, Dr RESIGNED | Director | 01 May 1995 | 30 Jun 1997 | United Kingdom | September 1936 | Ivy Cottage, 106 The High Street, Norton, Stockton-On-Tees, Cleveland, TS20 1DS |
| BROGDEN, Michael Edward RESIGNED | Director | | 30 Apr 1995 | | March 1938 | Shelborne 25 Lamb Hall Road, Longwood, Huddersfield, West Yorkshire, HD3 4XQ |
| BROMLEY, Adrian Paige Westwood RESIGNED | Director | 30 Jun 1997 | 30 Apr 2001 | | March 1945 | 88 Clarence Gate Gardens, Glentworth Street, London, NW1 6QP |
| DINNAGE, Louise Margaret RESIGNED | Director | 02 Jan 2018 | 11 Jul 2024 | United Kingdom | November 1970 | The Akzonobel Building, Wexham Road, Slough, SL2 5DS, United Kingdom |
| DRECHSLER, Paul Joseph RESIGNED | Director | 20 May 1996 | 01 Jan 1998 | United Kingdom | April 1956 | 17 Ardbeg Road, North Dulwich, London, SE24 9JL |
| FOSTER, Anthony Pryce RESIGNED | Director | | 31 Dec 1995 | | August 1945 | The Stable House Puddington Lane, Puddington, South Wirral, Cheshire, L64 5ST |
| GARDNER, Michael RESIGNED | Director | 01 Jul 1997 | 01 Oct 2003 | England | June 1946 | 2 Marton Avenue, Middlesbrough, Cleveland, TS4 3SQ |
| GEE, David John RESIGNED | Director | 01 Oct 2003 | 27 Mar 2007 | England | November 1947 | 20, Manchester Square, London, W1U 3AN |
| GEE, David John RESIGNED | Director | 15 May 1995 | 20 May 1996 | | November 1947 | Brookdale, Crooked Lane, Huxley, Chester, CH3 9BX |
| GUYTON, David Firth RESIGNED | Director | 01 Feb 1998 | 01 Apr 2003 | | October 1942 | 22 Lache Lane, Chester, CH4 7LR |
| HAMPSON, Christopher RESIGNED | Director | | 31 Dec 1992 | United Kingdom | September 1931 | 77 Kensington Court, London, W8 5DT |
| HIRST, John Raymond RESIGNED | Director | 20 May 1996 | 01 Jan 1998 | | August 1952 | 53b Windsor Road, Maidenhead, Buckinghamshire, SL6 2DN |
| HIRST, Margaret RESIGNED | Director | 12 Nov 2007 | 21 Apr 2010 | England | August 1957 | The Heath, Runcorn, Cheshire, WA7 4QF |
| HODGE, Ralph Noel RESIGNED | Director | | 23 Jul 1992 | | November 1934 | Anstye Place, Anstye, Haywards Heath, West Sussex, RH17 5AJ |
| KASTER, Bart RESIGNED | Director | 27 Apr 2009 | 31 Dec 2017 | Germany | May 1955 | Strawinskylaan 2555, Amsterdam, 1070, The Netherlands |
| MOSS, Richard Henry RESIGNED | Director | 27 Apr 2009 | 31 Dec 2017 | United Kingdom | April 1960 | The Akzonobel Building, Wexham Road, Slough, SL2 5DS, United Kingdom |
| REVILL, Ian RESIGNED | Director | 01 Feb 1999 | 01 Apr 2003 | United Kingdom | December 1951 | 11 Kevan Drive, Send, Woking, Surrey, GU23 7BU |
| ROBERTS, Stephen Allen RESIGNED | Director | 03 Feb 2003 | 27 Apr 2009 | | August 1955 | The Sperrins, Chilton Lane, Chilton, County Durham, DL17 0JX |
| ROSS, Robert Leonard Gordon Knox RESIGNED | Director | 27 Mar 2007 | 18 Dec 2009 | United Kingdom | July 1958 | The Heath, Runcorn, Cheshire, WA7 4QF |
| SMALLEY, Michael RESIGNED | Director | 25 Feb 2015 | 07 May 2024 | England | November 1958 | The Akzonobel Building, Wexham Road, Slough, SL2 5DS, United Kingdom |
| TURNER, David Allan RESIGNED | Director | 02 Jan 2018 | 01 Sep 2020 | England | November 1971 | The Akzonobel Building, Wexham Road, Slough, SL2 5DS, United Kingdom |
| TURNER, David Allan, Mr. RESIGNED | Director | 25 Feb 2015 | 22 Apr 2015 | United Kingdom | November 1971 | 26th Floor, Portland House, Bressenden Place, London, SW1E 5BG, United Kingdom |
| UPTON, David RESIGNED | Director | 21 May 2024 | 05 Mar 2025 | United Kingdom | October 1989 | The Akzonobel Building, Wexham Road, Slough, SL2 5DS, United Kingdom |
| WALSH, Stuart RESIGNED | Director | 28 Oct 2015 | 13 Dec 2019 | United Kingdom | October 1964 | The Akzonobel Building, Wexham Road, Slough, SL2 5DS, United Kingdom |
| WHITEWOOD, David RESIGNED | Director | 01 Oct 2003 | 19 Jun 2008 | England | July 1955 | The Hexagon, Oakfield, Hawkhurst, Cranbrook, Kent, TN18 4JR, United Kingdom |
| WILLIAMS, Benjamin RESIGNED | Director | 01 Sep 2020 | 31 Dec 2023 | United Kingdom | June 1986 | The Akzonobel Building, Wexham Road, Slough, SL2 5DS, United Kingdom |
| O.H. DIRECTOR LIMITED RESIGNED | Director | 27 Apr 2009 | 25 Feb 2015 | | | 26th, Floor, Portland House Bressenden Place, London, SW1E 5BG, United Kingdom |