| RAY, Stephen Bruce ACTIVE | Director | 16 Feb 2015 | | England | June 1962 | The Akzonobel Building, Wexham Road, Slough, SL2 5DS, United Kingdom |
| TRUEBLOOD, Matthew Welham, Mr. ACTIVE | Director | 06 Jan 2006 | | United Kingdom | March 1962 | The Akzonobel Building, Wexham Road, Slough, SL2 5DS, United Kingdom |
| BLACK, Lysanne Jane Warren RESIGNED | Secretary | 15 Feb 1996 | 25 Mar 1998 | | | 2a Carlton Street, Edinburgh, Midlothian, EH4 1NJ, Scotland |
| BLACKBORROW, Simon Ashley RESIGNED | Secretary | 23 Nov 1995 | 12 Sep 1997 | | | 164 Holly Field, Harlow, Essex, CM19 4NE |
| BOTHWELL, Karen Margaret RESIGNED | Secretary | 08 Jan 1993 | 04 Sep 1995 | | | 25 Belford Gardens, Edinburgh, Midlothian, EH4 3EP |
| CARTER, Lynette Jean Cherryl RESIGNED | Secretary | 17 May 2017 | 31 May 2018 | | | The Akzonobel Building, Wexham Road, Slough, SL2 5DS, United Kingdom |
| FARNHAM, Lorraine Susan RESIGNED | Secretary | 23 Nov 1995 | 25 Mar 1998 | | | 45 Selby Road, Plaistow, London, E13 8NB |
| GLANCY, June Wendy RESIGNED | Secretary | 12 Sep 1997 | 25 Mar 1998 | | | 708 Ferry Road, Edinburgh, EH4 4AH |
| HARRIS, Ian Robert RESIGNED | Secretary | 23 Nov 1995 | 12 Sep 1997 | | | 80 Oxlow Lane, Dagenham, Essex, RM9 5XD |
| HAYWARD, Susan Teresa RESIGNED | Secretary | 12 Sep 1997 | 25 Mar 1998 | | | 48 Rothbury Avenue, Rainham, Essex, RM13 9HZ |
| HENDRY, Laurence John RESIGNED | Secretary | 12 Sep 1997 | 25 Mar 1998 | | | 33 Chessington Avenue, Bexley Heath, Kent, DA7 5NN |
| HENDRY, Laurence John RESIGNED | Secretary | 23 Nov 1995 | 23 Nov 1995 | | | 33 Chessington Avenue, Bexley Heath, Kent, DA7 5NN |
| HUNTER, John Stewart RESIGNED | Secretary | 04 Sep 1995 | 15 Feb 1996 | | | 27 Queens Crescent, Edinburgh, EH9 2BA |
| MACRAE, Alistair Ian RESIGNED | Secretary | | 08 Jan 1993 | | | 55 Connaught Place, Edinburgh, Midlothian, EH6 4RN |
| STACE, Janet Ellen RESIGNED | Secretary | 09 May 1994 | 13 Jul 1995 | | | March Cottage Clayhill, Goudhurst, Cranbrook, Kent, TN17 1BD |
| SUTTON, Lesley RESIGNED | Secretary | 12 Sep 1997 | 25 Mar 1998 | | | 22 Clufflat Brae, South Queensferry, West Lothian, EH30 9YQ |
| SWEET, Janet Louise RESIGNED | Secretary | 25 Mar 1998 | 07 Jul 2006 | | | PO BOX 20980 Oriel House, 16 Connaught Place, London, W2 2ZB |
| WILSON, Maureen Jane RESIGNED | Secretary | | 10 Jun 1995 | | | 79 Lupin Drive, Springfield, Chelmsford, Essex, CM1 5YJ |
| O H SECRETARIAT LIMITED RESIGNED | Secretary | 07 Jul 2006 | 17 May 2017 | | | The Akzonobel Building, Wexham Road, Slough, Berkshire, SL2 5DS |
| ADAM, Robert Russell RESIGNED | Director | | 13 Jul 1995 | | March 1938 | Balnacoil, 12 Dunpender Park, East Linton, EH40 3BW |
| ANDERSON, Richard Alexander RESIGNED | Director | | 25 Mar 1998 | | October 1954 | 48 West Square, London, SE11 4SP |
| ATKINSON, Rhona Elizabeth RESIGNED | Director | 12 Sep 1997 | 25 Mar 1998 | | March 1965 | 29 Hanging Hill Lane, Shenfield, Essex, CM13 2HY |
| BLACKBORROW, Simon Ashley RESIGNED | Director | 23 Nov 1995 | 12 Sep 1997 | | August 1967 | 164 Holly Field, Harlow, Essex, CM19 4NE |
| BROWNING, James Robin, Professor RESIGNED | Director | | 31 Aug 1997 | | July 1939 | 7 Blackford Hill Grove, Edinburgh, EH9 3HA |
| BUCHAN, Ozgul Mehmet RESIGNED | Director | | 25 Mar 1998 | | November 1950 | 6 Aldergrove Walk, Airfield Way, Hornchurch, Essex, RM12 6NT |
| CAMERON, Helen Joan RESIGNED | Director | | 25 Mar 1998 | | | 15 Stanley Road, Sutton, Surrey, SM2 6TB |
| CAPELLOS, Stella RESIGNED | Director | 17 Sep 1996 | 25 Mar 1998 | | September 1969 | 56 Runnymede Gardens, Western Avenue, Greenford, Middlesex, UB6 8SU |
| CLARK, Michael Stanley RESIGNED | Director | 10 Jan 2001 | 04 May 2007 | | May 1947 | PO BOX 20980, Oriel House 16 Connaught Place, London, W2 2ZB |
| COLE, Stephanie Margaret RESIGNED | Director | 09 Nov 1993 | 25 Mar 1998 | | April 1959 | 77 Roxy Avenue, Chadwell Heath, Romford, Essex, RM6 4AZ |
| COWAN, Haley RESIGNED | Director | 10 Jun 1995 | 25 Mar 1998 | | September 1962 | 69 Godalming Avenue, Wallington, Surrey, SM6 8NT |
| DONALD, Carole Ann RESIGNED | Director | 09 May 1994 | 25 Mar 1998 | | December 1957 | 30 Kipling Court, Greenford Avenue Hanwell, London, W7 1LZ |
| FARNHAM, Lorraine Susan RESIGNED | Director | 23 Nov 1995 | 25 Mar 1998 | | January 1960 | 45 Selby Road, Plaistow, London, E13 8NB |
| FAWCETT, John Andrew RESIGNED | Director | | 13 Jul 1995 | | September 1949 | 3 Ashton Close, Hersham, Walton On Thames, Surrey, KT12 5EX |
| FORBES, Arlene RESIGNED | Director | 09 Oct 1993 | 25 Mar 1998 | | December 1964 | 25 Tollgate Drive, Stanway, Colchester, Essex, CO3 5PE |
| GALLEY, Marian RESIGNED | Director | 17 May 1996 | 17 Sep 1996 | | April 1967 | 105 Farningham Road, Caterham, Surrey, CR3 6LN, England |
| GAY, Gary Mclean RESIGNED | Director | | 25 Mar 1998 | | September 1952 | Gladesdale, Glenmore Road East, Crowborough, East Sussex, TN6 1RE |
| GLENDINNING, Sharron Louise RESIGNED | Director | 17 Sep 1996 | 25 Mar 1998 | | | 22 Bramble Road, Leigh On Sea, Essex, SS9 5HB |
| GOLDSMITH, Kim RESIGNED | Director | 17 May 1996 | 17 Sep 1996 | | November 1965 | 23 Lime Court 33 Trinity Close, London, E11 4RX |
| GREENSHIELDS, William RESIGNED | Director | | 09 Nov 1993 | | April 1950 | 71 March Court, London, SW15 6LD |
| HARRIS, Ian Robert RESIGNED | Director | 23 Nov 1995 | 25 Mar 1998 | | February 1968 | 80 Oxlow Lane, Dagenham, Essex, RM9 5XD |
| HARRISON, Ian Woodthorp RESIGNED | Director | 25 Mar 1998 | 31 Mar 1999 | United Kingdom | January 1943 | 2 The Gables, Vale Of Health, London, NW3 1AY |
| HENDERSON, Andrew RESIGNED | Director | | 12 Sep 1997 | | October 1949 | 136 Albert Road, Epsom, Surrey, KT17 4EL |
| HENDRY, Laurence John RESIGNED | Director | 22 Nov 1993 | 17 Sep 1996 | | February 1954 | 33 Chessington Avenue, Bexley Heath, Kent, DA7 5NN |
| HUNTER, John Stewart RESIGNED | Director | 15 Mar 1996 | 25 Mar 1998 | Scotland | March 1948 | 27 Queens Crescent, Edinburgh, EH9 2BA |
| IMRIE, Steven William RESIGNED | Director | 17 May 1996 | 25 Mar 1998 | | July 1964 | 32 Easter Hermitage, Edinburgh, EH6 8DR |
| JOHNSTON, Allan Farquhar RESIGNED | Director | | 10 Jun 1995 | | September 1940 | 6 Folly Pathway, Radlett, Hertfordshire, WD7 8DS |
| JONES, Simon Gwyn RESIGNED | Director | 10 Jan 2001 | 01 Aug 2003 | | October 1963 | 1 Queens Road, Hersham, Walton On Thames, Surrey, KT12 5AN |
| KEANE, James Laurence RESIGNED | Director | 30 Apr 2002 | 13 Aug 2021 | England | May 1963 | The Akzonobel Building, Wexham Road, Slough, SL2 5DS, United Kingdom |
| KERR, Graeme James RESIGNED | Director | | 25 Mar 1998 | | June 1959 | 37 Vine Way, Brentwood, Essex, CM14 4UT |
| KINGSTON, Egon Ivan Theodor Martin RESIGNED | Director | 25 Mar 1998 | 08 Oct 1999 | | October 1932 | 69 Moss Lane, Pinner, Middlesex, HA5 3AZ |
| MCLEAN, Robin Kean RESIGNED | Director | 08 Mar 1996 | 25 Mar 1998 | | November 1955 | 39 Priory Road, Hounslow, Middlesex, TW3 2RA |
| MILLER, Russell Hugh RESIGNED | Director | 10 Oct 1999 | 26 May 2005 | | May 1945 | PO BOX 20980 Oriel House, 16 Connaught Place, London, W2 2ZB |
| MORRIS, George Eryl RESIGNED | Director | 15 May 1998 | 31 Aug 1998 | United Kingdom | August 1943 | Broad Oak, Devonshire Avenue, Amersham, Buckinghamshire, HP6 5JE |
| NEWNHAM, Edward Gordon RESIGNED | Director | | 10 Jun 1994 | | October 1936 | 80 Adelaide Drive, Sittingbourne, Kent, ME10 1XU |
| O'HARE, Kevin Patrick RESIGNED | Director | 19 Nov 1992 | 25 Mar 1998 | | April 1952 | 43 Cromwell Road, Acton, London, W3 6BN |
| PIERCE, Lesley Anne Frances RESIGNED | Director | 23 Jun 1995 | 25 Mar 1998 | | March 1955 | 20 Bush Hall Road, Billericay, Essex, CM12 0PU |
| PRAG, Michael Joseph RESIGNED | Director | 25 Mar 1998 | 10 Oct 1999 | England | January 1936 | 48 Norland Square, London, W11 4PZ |
| PRYDE, William RESIGNED | Director | | 10 Jun 1994 | | November 1943 | 85 Amberley Gardens, Epsom, Surrey, KT19 0NQ |
| PULFER, David Brian RESIGNED | Director | | 12 Sep 1997 | | July 1947 | 130 Maybank Avenue, Hornchurch, Essex, RM12 5SH |
| RANKIN, Alick Michael, Sir RESIGNED | Director | | 25 Mar 1998 | | January 1935 | 3 Saxe Coburg Place, Edinburgh, EH3 5BR |
| RAWLINGS, Julie RESIGNED | Director | 17 Sep 1996 | 25 Mar 1998 | | February 1966 | 2 Herald Walk, Dartford, Kent, DA1 5SS |
| RENNIE, Ian Barnett RESIGNED | Director | | 06 Oct 1992 | | November 1953 | 32 Cherrytree Close, Owlsmoor, Camberley, Surrey, GU15 4UH |
| ROBERTSON, James Mcnicol RESIGNED | Director | | 15 Sep 1995 | | July 1936 | 10 The Weind, Theydon Bois, Epping, Essex, CM16 7HP |
| ROBERTSON, Lesley Ann Frances RESIGNED | Director | 09 Nov 1993 | 07 Oct 1994 | | March 1955 | 20 Bush Hall Road, Billericay, Essex, CM12 0PU |
| ROSE, Harold Bertram, Professor RESIGNED | Director | 25 Mar 1998 | 10 Oct 1999 | | August 1923 | 33 Dartmouth Park Avenue, London, NW5 1JL |
| SCOTT, Iain William St Clair RESIGNED | Director | 01 Sep 1997 | 25 Mar 1998 | | May 1946 | 22 Bramdean Rise, Edinburgh, Midlothian, EH10 6JR |
| SHAW, John Calman, Sir RESIGNED | Director | | 25 Mar 1998 | | July 1932 | Tayhill Brae Street, Dunkeld, Perthshire, PH8 0BA |
| SMALLEY, Michael RESIGNED | Director | 16 Feb 2015 | 07 May 2024 | England | November 1958 | The Akzonobel Building, Wexham Road, Slough, SL2 5DS, United Kingdom |
| SMITH, Norman Henry RESIGNED | Director | 25 Mar 1998 | 03 Sep 1999 | | May 1925 | 2 Coombehurst Close, Hadley Wood, Barnet, Hertfordshire, EN4 0JU |
| SNEDDEN, Alan Cameron RESIGNED | Director | | 10 Jun 1994 | | | 16 Glebe Drive, Rayleigh, Essex, SS6 9HJ |
| STACE, Janet Ellen RESIGNED | Director | 28 Jun 1996 | 25 Mar 1998 | | February 1949 | March Cottage Clayhill, Goudhurst, Cranbrook, Kent, TN17 1BD |
| SWEET, Janet Louise RESIGNED | Director | 10 Oct 1999 | 07 Jul 2006 | | January 1956 | PO BOX 20980 Oriel House, 16 Connaught Place, London, W2 2ZB |
| TURNER, David Allan, Mr. RESIGNED | Director | 16 Feb 2015 | 22 Apr 2015 | United Kingdom | November 1971 | 26th Floor, Portland House, Bressenden Place, London, SW1E 5BG, United Kingdom |
| WALKER, Alan Alfred Edward RESIGNED | Director | | 23 Mar 1995 | | August 1939 | 38 Northumberland Avenue, Aylesbury, Buckinghamshire, HP21 7HJ |
| WALKER, James Robert Stanley RESIGNED | Director | | 09 May 1994 | | February 1957 | 126 Bankfoot, Badgers Dene, Grays, Essex, RM17 5JA |
| WATSON, James RESIGNED | Director | | 15 Sep 1995 | | July 1955 | 54 Cherry Orchard, Southminster, Essex, CM0 7HE |
| WICKS, Caroline Philippa RESIGNED | Director | 25 Mar 1998 | 28 Feb 1999 | United Kingdom | December 1962 | 29 Campden Hill Road, London, W8 7KK |
| WILLETTS, Amanda Jane RESIGNED | Director | 10 Jun 1995 | 12 Sep 1997 | | April 1965 | 100 Copperfields, Laindon, Basildon, Essex, SS15 5RS |
| WILSON, Maureen Jane RESIGNED | Director | 13 May 1994 | 04 Nov 1994 | | December 1964 | 3 Alyssum Close, Springfield, Chelmsford, Essex, CM1 5YF |
| WRIGHT, Graham John RESIGNED | Director | 25 Mar 1998 | 30 Apr 2002 | | May 1939 | 49 Dome Hill, Caterham, Surrey, CR3 6EF |
| YOUNG, Hugh Kenneth RESIGNED | Director | | 15 Mar 1996 | | May 1936 | 30 Braid Hills Road, Edinburgh, EH10 6HY |
| O H DIRECTOR LIMITED RESIGNED | Director | 26 May 2005 | 16 Feb 2015 | | | 26th Floor, Portland House, Bressenden Place, London, SW1E 5BG |