| O.H. SECRETARIAT LIMITED ACTIVE | Secretary | 12 Jun 2008 | | | | 26th, Floor, Portland House Bressenden Place, London, SW1E 5BG, United Kingdom |
| TURNER, David Allan, Mr. ACTIVE | Director | 01 Nov 2013 | | United Kingdom | November 1971 | 26th, Floor, Portland House Bressenden Place, London, SW1E 5BG, United Kingdom |
| O.H. DIRECTOR LIMITED ACTIVE | Director | 28 Feb 2013 | | | | 26th, Floor, Portland House Bressenden Place, London, SW1E 5BG, United Kingdom |
| GROSSET, Margaret Wilhelmina RESIGNED | Secretary | 23 Apr 1999 | 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 |
| MCCARTHY, Anne Patricia RESIGNED | Secretary | 16 Feb 1998 | 23 Apr 1999 | | | 46 Torcross Road, South Ruislip, Middlesex, HA4 0TD |
| SPARKS, Raymond Richard RESIGNED | Secretary | 30 Jun 1994 | 16 Feb 1998 | | | 19 Queens Road, Byfleet, West Byfleet, Surrey, KT14 7AD |
| TURNER, George St John RESIGNED | Secretary | 18 May 2007 | 16 Jul 2007 | | | The Manse, Main Street, Bythorn, Cambridgeshire, PE28 0QR |
| WHITESIDE, Sonia Jane RESIGNED | Secretary | 18 Aug 2000 | 14 Nov 2001 | | | 139 Amhurst Road, London, E8 2AW |
| WINCHESTER, Emma RESIGNED | Secretary | 19 Jan 2004 | 18 May 2007 | | | The Coach House, 173a Merton Road, London, SW19 1EE |
| HACKWOOD SECRETARIES LIMITED RESIGNED | Nominee Secretary | 20 Dec 1993 | 30 Jun 1994 | | | One Silk Street, London, EC2Y 8HQ |
| ANDERSON, David Thomas RESIGNED | Director | 07 Feb 1996 | 31 Aug 1999 | | November 1964 | 19 Culmstock Road, Battersea, London, SW11 6LZ |
| CANHAM, Ian Nicholas RESIGNED | Director | 24 Aug 1999 | 31 Oct 2008 | | December 1964 | 20 Manchester Square, London, W1U 3AN |
| CHARLTON, John Michael RESIGNED | Director | 01 Apr 1996 | 03 Aug 1998 | England | September 1943 | Dunstone, 5 Broomfield Ride, Oxshott, Surrey, KT22 0LR |
| CONNELL, Graeme Mark RESIGNED | Director | 30 Jun 1994 | 31 Mar 1998 | | December 1938 | 62 London Road, Tonbridge, Kent, TN10 3DE |
| FLEMING, Alan James RESIGNED | Director | 30 Jun 1994 | 15 Mar 1995 | Scotland | November 1944 | 23 St Mary's Road, Leatherhead, Surrey, KT22 8HB |
| GEE, David John RESIGNED | Director | 03 Aug 1998 | 03 Apr 2007 | England | November 1947 | 20, Manchester Square, London, W1U 3AN |
| GODDEN, Robert Charles RESIGNED | Director | 06 Feb 1995 | 30 Mar 1998 | | December 1946 | 111 Chelmsford Road, Shenfield, Essex, CM15 8QL |
| HEYES, Thomas RESIGNED | Director | 30 Jun 1994 | 30 Jul 1994 | | July 1936 | 19 Birch Close, Send, Woking, Surrey, GU23 7BZ |
| HIRST, John Raymond RESIGNED | Director | 01 Apr 1995 | 01 Apr 1996 | | August 1952 | 53b Windsor Road, Maidenhead, Buckinghamshire, SL6 2DN |
| MAIJS-GELDERLAND, Maaike Adriana RESIGNED | Director | 30 Jan 2009 | 01 Nov 2013 | Netherlands | November 1947 | 26th Floor Portland House, Bressenden Place, London, SW1E 5BG |
| SEARLES, David Arthur RESIGNED | Director | 02 Sep 1994 | 01 Apr 1995 | | January 1948 | Oak Tree Cottage, Tower Road Coleshill, Amersham, Buckinghamshire, HP7 0LB |
| SHORT, Colin Maxwell RESIGNED | Director | 30 Jun 1994 | 01 Apr 1995 | | September 1934 | 25 Chester Street, London, SW1X 7BL |
| SPALL, Alan George RESIGNED | Director | 30 Jun 1994 | 07 Oct 1997 | | May 1944 | Fairacre, The Drive Wonersh Park Wonersh, Guildford, Surrey, GU5 0QW |
| TAYLOR, David RESIGNED | Director | 30 Jun 1994 | 31 Jan 2009 | | November 1953 | 1 Adam Street, London, WC2N 6AW |
| WELCH, Derek Walter RESIGNED | Director | 31 Oct 2008 | 28 Feb 2013 | United Kingdom | February 1944 | 26th Floor Portland House, Bressenden Place, London, SW1E 5BG |
| HACKWOOD DIRECTORS LIMITED RESIGNED | Nominee Director | 20 Dec 1993 | 30 Jun 1994 | | | One Silk Street, London, EC2Y 8HQ |