| AHUJA, Vaibhav, Mr. ACTIVE | Director | 23 May 2025 | | England | August 1992 | The Akzonobel Building, Wexham Road, Slough, SL2 5DS, United Kingdom |
| RAY, Stephen Bruce ACTIVE | Director | 22 Apr 2015 | | England | June 1962 | The Akzonobel Building, Wexham Road, Slough, SL2 5DS, United Kingdom |
| CARTER, Lynette Jean Cherryl RESIGNED | Secretary | 23 May 2017 | 31 May 2018 | | | The Akzonobel Building, Wexham Road, Slough, SL2 5DS, United Kingdom |
| DAVIS, Philip Stephen James RESIGNED | Secretary | 18 Aug 2000 | 23 Mar 2001 | | | Two Pearman Cottages, 29 Chertsey Road, Chobham, Surrey, GU24 8PD |
| GROSSET, Margaret Wilhelmina RESIGNED | Secretary | 23 Apr 1999 | 18 Aug 2000 | | | 7 Arnprior Place, Alloway, Ayrshire, KA7 4PT |
| LACHLAN, Cacilia Maria RESIGNED | Nominee Secretary | | 11 Aug 1993 | | | 10 Guernsey Farm Drive, Horsell Rise, Woking, Surrey, GU21 4BE |
| MCCARTHY, Anne Patricia RESIGNED | Secretary | 02 Feb 1998 | 23 Apr 1999 | | | 46 Torcross Road, South Ruislip, Middlesex, HA4 0TD |
| SPARKS, Raymond Richard RESIGNED | Secretary | 11 Aug 1993 | 02 Feb 1998 | | | 19 Queens Road, Byfleet, West Byfleet, Surrey, KT14 7AD |
| THORN-DAVIS, Scott Peter RESIGNED | Secretary | 23 Mar 2001 | 28 Mar 2003 | | | 5 Latham Road, Twickenham, Middlesex, TW1 1BN |
| TURNER, George St John RESIGNED | Secretary | 28 Mar 2003 | 30 Apr 2008 | | | The Manse, Main Street, Bythorn, Cambridgeshire, PE28 0QR |
| O.H. SECRETARIAT LIMITED RESIGNED | Secretary | 30 Apr 2008 | 23 May 2017 | | | The Akzonobel Building, Wexham Road, Slough, SL2 5DS, United Kingdom |
| BLACKWOOD, David Charles RESIGNED | Director | 10 Nov 2000 | 29 Mar 2007 | United Kingdom | March 1959 | 7 Mizen Close, Cobham, Surrey, KT11 2RJ |
| BLOK, Harm RESIGNED | Director | 08 Mar 2013 | 31 Dec 2014 | The Netherlands | May 1969 | 26th Floor Portland House, Bressenden Place, London, SW1E 5BG |
| BOLLAND, Christopher RESIGNED | Director | 30 Jul 2008 | 15 Jan 2009 | United Kingdom | January 1955 | 26th Floor Portland House, Bressenden Place, London, SW1E 5BG |
| CHARLTON, John Michael RESIGNED | Director | 01 Apr 1996 | 03 Aug 1998 | England | September 1943 | Dunstone, 5 Broomfield Ride, Oxshott, Surrey, KT22 0LR |
| CRIBB, Nigel Rupert Evelyn RESIGNED | Director | 17 Mar 2003 | 30 Jul 2008 | England | April 1958 | 7 White Friars, Sevenoaks, Kent, TN13 1QG |
| GEE, David John RESIGNED | Director | 03 Aug 1998 | 29 Mar 2007 | England | November 1947 | 20, Manchester Square, London, W1U 3AN |
| GILLETT, Philip John RESIGNED | Director | 03 Jan 1996 | 30 Apr 2008 | United Kingdom | January 1951 | Cedar House, Rockfield Road, Oxted, Surrey, RH8 0EJ |
| GRAY, Frederick Philp RESIGNED | Director | | 22 Jun 1995 | England | April 1944 | Torran, 22 The Ridings, East Horsley, Surrey, KT24 5BN |
| HERLIHY, Michael Hugh Creedon RESIGNED | Director | | 03 Jan 1996 | United Kingdom | March 1953 | Greensands, Pine Grove, Chichester, West Sussex, PO19 3PN, England |
| HIRST, John Raymond RESIGNED | Director | 03 Apr 1995 | 01 Apr 1996 | | August 1952 | 53b Windsor Road, Maidenhead, Buckinghamshire, SL6 2DN |
| LADD, Ian Richard RESIGNED | Director | 29 Mar 2007 | 30 Apr 2008 | | July 1966 | Flat 4, 22 Greencroft Gardens, London, NW6 3LS |
| LYLE, Norman RESIGNED | Director | | 28 May 1993 | | September 1947 | The Columbary, Woodcote Park, Epsom, Surrey, KT18 7EN |
| O'SHEA, Fergal Joseph RESIGNED | Director | 11 Nov 2015 | 31 Aug 2018 | United Kingdom | November 1978 | The Akzonobel Building, Wexham Road, Slough, SL2 5DS, United Kingdom |
| REVILL, Ian RESIGNED | Director | 24 Jan 1994 | 01 Sep 1995 | United Kingdom | December 1951 | 11 Kevan Drive, Send, Woking, Surrey, GU23 7BU |
| ROSS, Robert Leonard Gordon Knox RESIGNED | Director | 29 Mar 2007 | 18 Dec 2009 | United Kingdom | July 1958 | 26th Floor Portland House, Bressenden Place, London, SW1E 5BG |
| SEARLES, David Arthur RESIGNED | Director | 08 Aug 1994 | 03 Apr 1995 | | January 1948 | Oak Tree Cottage, Tower Road Coleshill, Amersham, Buckinghamshire, HP7 0LB |
| SHORT, Colin Maxwell RESIGNED | Director | | 24 Jan 1994 | | September 1934 | 25 Chester Street, London, SW1X 7BL |
| SINGH, Brune RESIGNED | Director | 15 Jan 2009 | 08 Mar 2013 | Netherlands | December 1972 | 26th, Floor, Portland House Bressenden Place, London, SW1E 5BG, United Kingdom |
| SMALLEY, Michael RESIGNED | Director | 18 Dec 2009 | 07 May 2024 | England | November 1958 | The Akzonobel Building, Wexham Road, Slough, SL2 5DS, United Kingdom |
| SPALL, Alan George RESIGNED | Director | 01 Nov 1999 | 23 May 2001 | | May 1944 | Fairacre, The Drive Wonersh Park Wonersh, Guildford, Surrey, GU5 0QW |
| SPALL, Alan George RESIGNED | Director | | 03 Aug 1998 | | May 1944 | Fairacre, The Drive Wonersh Park Wonersh, Guildford, Surrey, GU5 0QW |
| TURNER, David Allan RESIGNED | Director | 31 Aug 2018 | 01 Sep 2020 | England | November 1971 | The Akzonobel Building, Wexham Road, Slough, SL2 5DS, United Kingdom |
| TURNER, David Allan, Mr. RESIGNED | Director | 20 Dec 2010 | 22 Apr 2015 | United Kingdom | November 1971 | 26th, Floor, Portland House Bressenden Place, London, SW1E 5BG, United Kingdom |
| UPTON, David RESIGNED | Director | 22 May 2024 | 21 May 2025 | United Kingdom | October 1989 | The Akzonobel Building, Wexham Road, Slough, SL2 5DS, United Kingdom |
| VALLANCE, Christopher, Dr RESIGNED | Director | 01 Sep 1995 | 26 Apr 2001 | | November 1944 | Rivendell, Oxlea Road, Torquay, Devon, TQ1 2HF |
| 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 | 30 Apr 2008 | 25 Feb 2015 | | | 26th, Floor, Portland House Bressenden Place, London, SW1E 5BG, United Kingdom |