| BOOKLESS, Edward ACTIVE | Director | 07 Aug 2024 | | United Kingdom | June 1983 | 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 | 11 May 2017 | 31 May 2018 | | | The Akzonobel Building, Wexham Road, Slough, SL2 5DS, United Kingdom |
| CLARKE, Peter Derwent RESIGNED | Secretary | | 20 Apr 1994 | | | The Forge, Wood Street Green, Guildford, Surrey, GU3 3DY |
| GROSSET, Margaret Wilhelmina RESIGNED | Secretary | 08 Jul 1997 | 18 Aug 2000 | | | 7 Arnprior Place, Alloway, Ayrshire, KA7 4PT |
| HORLOCK, Elizabeth Ann RESIGNED | Secretary | 16 Jul 2007 | 12 Jun 2008 | | | 1 Barringer Court, London Street, Godmanchester, Huntingdon, Cambs, PE29 2HU |
| IRVINE, Scott Macdonald RESIGNED | Secretary | 14 Nov 2001 | 19 Jan 2004 | | | 69 Streatham Court, Streatham High Road, London, SW16 1DJ |
| MURPHY, John Michael RESIGNED | Secretary | 04 Jul 1994 | 29 Oct 1996 | | | 16 Prestwood, Wexham, Slough, Berkshire, SL2 5TX |
| TURNER, George St John RESIGNED | Secretary | 18 May 2007 | 16 Jul 2007 | | | The Manse, Main Street, Bythorn, Cambridgeshire, PE28 0QR |
| WAKEFIELD, Barry John RESIGNED | Secretary | 30 Oct 1996 | 08 Jul 1997 | | | The Old Manse, 27 High Street, Ramsey, Cambridgeshire, PE26 1AE |
| WHITESIDE, Sonia Jane RESIGNED | Secretary | 18 Aug 2000 | 14 Nov 2001 | | | Basement Flat, 111 Liverpool Road, London, N1 0RG |
| WINCHESTER, Emma RESIGNED | Secretary | 19 Jan 2004 | 18 May 2007 | | | The Coach House, 173a Merton Road, London, SW19 1EE |
| O.H. SECRETARIAT LIMITED RESIGNED | Secretary | 12 Jun 2008 | 11 May 2017 | | | The Akzonobel Building, Wexham Road, Slough, SL2 5DS, United Kingdom |
| BATE, Anthony Alan RESIGNED | Director | 31 Mar 1999 | 02 Apr 2008 | United Kingdom | November 1950 | Kingsdown Castle Hill, Farnham, Surrey, GU9 0AD |
| BRYDEN, Mark RESIGNED | Director | 22 Oct 2003 | 29 Jul 2005 | | May 1961 | 15 Brushwood Drive, Chorleywood, Hertfordshire, WD3 5RS |
| COOKE, Sam RESIGNED | Director | 01 May 1996 | 11 Oct 2000 | | June 1943 | Lanterns Marriott Avenue, South Heath, Great Missenden, Buckinghamshire, HP16 9QN |
| CORBISHLEY, Douglas Arnold RESIGNED | Director | | 31 Mar 1992 | | February 1936 | Drum House Beech Waye, Gerrards Cross, Buckinghamshire, SL9 8BL |
| HAMPTON-COUTTS, Cheryl Jane RESIGNED | Director | 13 Jun 1997 | 08 Jul 1997 | | January 1959 | 17 Grosvenor Gardens, East Sheen, London, SW14 8BY |
| HARRISON, Martin Christopher James RESIGNED | Director | 05 Jan 2004 | 14 Sep 2007 | England | September 1964 | 45 Elmwood Road, London, W4 3DY |
| HUNTER, John RESIGNED | Director | 11 Oct 2000 | 05 Jan 2004 | United Kingdom | January 1966 | Wayside, Manor Road, Seer Green, HP9 2QU |
| KENNEDY, James Andrew RESIGNED | Director | | 30 Jun 1999 | | December 1937 | 11 Crest Drive, Bernardsville, New Jersey 07924, Usa |
| KOKKE, Jorgen RESIGNED | Director | 01 May 2009 | 22 Jul 2010 | | October 1968 | 26th Floor, Portland House, Bressenden Place, London, SW1E 5EG |
| LEEK, Robert David RESIGNED | Director | 13 Jun 1997 | 08 Jul 1997 | United Kingdom | January 1965 | 40 Loveridge Road, London, NW6 2DT |
| LEWIS, Karen RESIGNED | Director | 01 Oct 2009 | 22 Jul 2010 | France | September 1959 | 26th Floor, Portland House, Bressenden Place, London, SW1E 5BG |
| MARTIN, Maurice Jean RESIGNED | Director | 24 Jul 1992 | 31 Mar 1999 | | June 1938 | Manor Farm, Off School Lane, Seer Green, Buckinghamshire, HP9 2YE |
| NEELY, Paul RESIGNED | Director | 13 Jun 1997 | 08 Jul 1997 | United Kingdom | July 1960 | 54 Mountfield Road, Finchley, London, N3 3NP |
| 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 |
| PLATT, Anthony Derek RESIGNED | Director | 09 Nov 2007 | 02 Apr 2008 | United Kingdom | November 1959 | 52 Lillibrooke Crescent, Cox Green, Maidenhead, Berkshire, SL6 3XG |
| POLLACK, Neil RESIGNED | Director | 02 Apr 2008 | 01 Oct 2009 | | August 1971 | 14, Westbourne Drive, Wilmslow, Cheshire, SK9 2GY |
| RIVETT, Michael John Edward RESIGNED | Director | 13 Jun 1997 | 08 Jul 1997 | United Kingdom | July 1940 | 61 Park End, Bromley, Kent, BR1 4AW |
| SALMON, Neil Ivan RESIGNED | Director | 14 Sep 2007 | 02 Apr 2008 | | November 1968 | 18a Cotswold Close, 357739, Singapore |
| SAMUEL, Michael John, Mr. RESIGNED | Director | 13 Jun 1997 | 08 Jul 1997 | England | January 1947 | 38 St Botolphs Road, Sevenoaks, Kent, TN13 3AG |
| SMALLEY, Michael RESIGNED | Director | 22 Jul 2010 | 07 May 2024 | England | November 1958 | The Akzonobel Building, Wexham Road, Slough, SL2 5DS, United Kingdom |
| THOMAS, Terrence W RESIGNED | Director | 02 Apr 2008 | 01 May 2009 | | February 1962 | Eppendorfer Landstrasse 26, 20249 Hamburg, Germany |
| TOMLINSON, Robert Michael RESIGNED | Director | 13 Jun 1997 | 08 Jul 1997 | | February 1947 | 89 Cambridge Road, London, SW20 0PU |
| 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 | 22 Jul 2010 | 22 Apr 2015 | United Kingdom | November 1971 | 26th Floor, Portland House, Bressenden Place, London, SW1E 5BG, 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 |
| WILLIAMS, Norman Lyn Thomas RESIGNED | Director | | 01 May 1996 | | March 1953 | Camrose New Road, Prestwood, Great Missenden, Buckinghamshire, HP16 0PX |
| O.H. DIRECTOR LIMITED RESIGNED | Director | 22 Jul 2010 | 27 Mar 2015 | | | 26th Floor, Portland House, Bressenden Place, London, SW1E 5BG |