| ORBITAL SECRETARIES LIMITED ACTIVE | Secretary | 10 Mar 2005 | | | | Orbital Park, 178-188, Great South West Road, Hounslow, Middlesex, TW4 6JS, United Kingdom |
| CALDER, Roy James ACTIVE | Director | 01 Mar 2007 | | United Kingdom | September 1949 | Orbital Park, 178-188 Great South West Road, Hounslow, Middlesex, TW4 6JS |
| ORBITAL SECRETARIES LIMITED ACTIVE | Director | 05 Oct 2005 | | | | Orbital Park, 178-188, Great South West Road, Hounslow, Middlesex, TW4 6JS, United Kingdom |
| MUNSON, Anne Patricia RESIGNED | Secretary | 10 Apr 1992 | 03 Feb 2005 | | | 21 Nymans Close, Horsham, West Sussex, RH12 5JR |
| ANDREWS, Robert RESIGNED | Director | | 30 Jun 1997 | | April 1950 | Longchamp, Smallfield Road, Horley, Surrey, RH6 |
| BENSON, Richard John Robert RESIGNED | Director | | 30 Jun 1997 | | July 1941 | Ferry Farm House, Station Road, Winchelsea, Sussex, TN36 4JU |
| CASLING, Richard Charles RESIGNED | Director | 03 Dec 1993 | 07 Jan 2002 | England | February 1952 | 25 Silverdale Avenue, Oxshott, Leatherhead, Surrey, KT22 0JX |
| DAVIES, Ronald RESIGNED | Director | 01 May 1996 | 30 Apr 1997 | England | November 1946 | Hill Farm, Kettleburgh, Woodbridge, Suffolk, IP13 7LL |
| DAVIES, Royston Killick RESIGNED | Director | | 30 Jun 1997 | | December 1946 | 35 White House, London, SW11 3LJ |
| DAVIES, Thomas Glyn RESIGNED | Director | 01 May 1996 | 30 Apr 1997 | | January 1949 | The Old Rectory Church Lane, Kirton, Ipswich, Suffolk, IP10 0DX |
| DAY, Stephen Charles RESIGNED | Director | 17 Feb 2004 | 31 May 2005 | | November 1955 | Knowle Farm, Knowle Lane, Weston On The Green, Bicester, Oxfordshire, OX25 3QJ |
| DENTON, Wayne Leigh RESIGNED | Director | 28 May 1993 | 30 Jun 1997 | | October 1953 | Dallington Hall Dallington Court, Dallington Park Road, Northampton, NN5 7AA |
| DIGHTON, Trevor Leslie RESIGNED | Director | 31 May 2002 | 03 Jul 2003 | United Kingdom | July 1949 | The Black Barn, Green Lane Marden, Tonbridge, Kent, TN12 9RA |
| GRIFFITHS, Nigel Edward RESIGNED | Director | 07 Jan 2002 | 03 Jul 2003 | England | January 1947 | 23 The Highway, Sutton, Surrey, SM2 5QT |
| HAWKINS, Richard George RESIGNED | Director | | 11 Apr 1993 | | December 1949 | Pinehurst 103 Copthorne Road, Felbridge, East Grinstead, West Sussex, RH19 2PB |
| HOGAN, John Christopher James RESIGNED | Director | 03 Jul 2003 | 31 Aug 2005 | United Kingdom | April 1961 | Touchwood, Coolham Road,, West Chiltington, West Sussex, RH20 2LH |
| HOWES, Patrick David RESIGNED | Director | | 20 Aug 2001 | | August 1941 | Tawny Lodge, Beech Road, Wroxham, Norfolk, NR12 8TP |
| MUNTWYLER, Christian RESIGNED | Director | 31 Aug 2005 | 01 Mar 2007 | | October 1952 | Orbital Park, 178-188 Great South West Road, Hounslow, Middlesex, TW4 6JS |
| NORTON, Denis RESIGNED | Director | 03 Dec 1993 | 30 Jun 1997 | | March 1944 | 35 Wittering Close, Kingston Upon Thames, Surrey, KT2 5GA |
| SHIRTCLIFFE, Christopher Charles RESIGNED | Director | 29 Aug 1996 | 31 May 2002 | | March 1944 | Tankards, Quarry Road, Oxted, Surrey, RH8 9HE |
| WHITLOCK, Philip Noel RESIGNED | Director | 03 Dec 1993 | 30 Jun 1997 | | December 1952 | Ulverscroft Grosvenor Road, Godalming, Surrey, GU7 1NZ |
| WIGGS, Roger Sydney William Hale RESIGNED | Director | | 07 Jan 2002 | | June 1939 | 35 Washington Court, Overton Road, Sutton, Surrey, SM2 6RB |
| WILSON, Bernard Jeffrey RESIGNED | Director | | 30 Jun 1997 | | October 1941 | 36 London Road, Loughton, Milton Keynes, Buckinghamshire, MK5 8AQ |