| HELICAL REGISTRARS LIMITED ACTIVE | Secretary | 25 Jan 2007 | | | | 5, Hanover Square, London, W1S 1HQ, England |
| ANDERSON, Thomas Philip Palmer ACTIVE | Director | 12 Jul 2017 | | United Kingdom | July 1978 | 5, Hanover Square, London, W1S 1HQ |
| INWOOD, John Charles ACTIVE | Director | 16 Oct 2009 | | United Kingdom | November 1965 | 5, Hanover Square, London, W1S 1HQ, England |
| MURPHY, Timothy John ACTIVE | Director | 31 Aug 2012 | | England | December 1959 | 5, Hanover Square, London, W1S 1HQ, England |
| BURROUGHS, Nicholas John RESIGNED | Secretary | 08 Jun 2005 | 25 Jan 2007 | | | 35 Redfern Close, Cambridge, Cambridgeshire, CB4 2DT |
| PRITCHETT, Elizabeth Kay RESIGNED | Secretary | | 02 Oct 2002 | | | 150 Ashley Gardens, Thirleby Road, London, SW1P 1HW |
| STRINGER, Anne RESIGNED | Secretary | 02 Oct 2002 | 08 Jun 2005 | | | 46 Drury Lane, Wicken, Ely, Cambridgeshire, CB7 5XY |
| BRACK, Rodney Lee RESIGNED | Director | | 30 Sep 2005 | | August 1945 | 22 Dunstall Road, Wimbledon, London, SW20 0HR |
| BRADLEY-WATSON, Christopher Hugh RESIGNED | Director | 25 Jan 2007 | 23 Oct 2014 | England | December 1957 | Level 7 Bishopsgate Exchange, 155 Bishopsgate, London, EC2M 3YB |
| BROWN, Philip Michael RESIGNED | Director | 25 Jan 2007 | 05 May 2009 | United Kingdom | September 1960 | Battle House, Elvendon Road, Goring, Oxfordshire, RG8 0DR |
| COWAN, Desmond Joseph Paul Edward RESIGNED | Director | 25 Jan 2007 | 14 Oct 2014 | Switzerland | February 1961 | 124 West Heath Road, London, NW3 7TU |
| DEUTERS, Christopher Frederick RESIGNED | Director | 12 Oct 2006 | 25 Jan 2007 | | August 1948 | Slatch Farm Stud, Bosbury, Ledbury, Herefordshire, HR8 1JS |
| DUNNETT, Neville RESIGNED | Director | | 31 Dec 1995 | | December 1936 | 9 Chapel Lane, Reach, Cambridge, CB5 0JJ |
| GRIFFITHS, David Alan, Dr RESIGNED | Director | 10 Jan 2005 | 25 Jan 2007 | | March 1965 | 65 High Street, Wilden, Bedford, MK44 2QD |
| HALL, David Jameson RESIGNED | Director | 20 Aug 2001 | 25 Jan 2007 | England | May 1960 | French's Hill, Pond Hall Road, Hadleigh, Ipswich, IP7 5PQ |
| HOUGHTON, Edward, Dr RESIGNED | Director | 21 Mar 2002 | 31 Dec 2006 | | January 1942 | 4 Silver Street, Burwell, Cambridgeshire, CB25 0EF |
| HUGHES, Robert Valentine RESIGNED | Director | 30 Sep 1998 | 25 Jan 2007 | | February 1943 | Highbury, Parish Lane, Kingsthorn, Herefordshire |
| MAYNARD, Steven John RESIGNED | Director | 21 Mar 2002 | 25 Jan 2007 | | September 1955 | Bramley, Chapel Street, Barford, Norwich, Norfolk, NR9 4AB |
| MCNAIR SCOTT, Nigel Guthrie RESIGNED | Director | 25 Jan 2007 | 31 Aug 2012 | England | September 1945 | 15 Farm Street, London, W1J 5RS |
| PITMAN, Jack Struan RESIGNED | Director | 25 Jan 2007 | 13 Feb 2015 | England | April 1969 | 5, Hanover Square, London, W1S 1HQ, England |
| PLEASANCE, Stephen, Dr RESIGNED | Director | 25 Jun 2003 | 25 Jan 2007 | | December 1961 | Old Rectory Lodge, Longstowe, Cambridgehire, CB3 7UG |
| RICKETTS, Robert Tristram RESIGNED | Director | 13 Oct 2005 | 25 Jan 2007 | | April 1946 | 47 Lancaster Avenue, London, SE27 9EL |
| RICKETTS, Robert Tristram RESIGNED | Director | | 01 Mar 1993 | | April 1946 | 47 Lancaster Avenue, London, SE27 9EL |
| ROBB, John Weddell, Sir RESIGNED | Director | 21 Jan 1993 | 30 Sep 2006 | | April 1936 | The Heath House Queens Drive, Oxshott, Leatherhead, Surrey, KT22 0PB |
| SHEARD, Brian, Dr RESIGNED | Director | 02 Jan 1996 | 17 Aug 2001 | | August 1941 | 162 Westley Road, Bury St Edmunds, Suffolk, IP33 3SE |
| SMITH, Robert Leslie, Professor RESIGNED | Director | | 31 Mar 2005 | | August 1934 | 18 Guildown Avenue, Woodside Park, London, N12 7DQ |
| SPARROW, John, Sir RESIGNED | Director | | 31 Aug 1998 | | June 1933 | Padbury Lodge, Padbury, Buckingham, MK18 2AJ |
| STRINGER, Anne RESIGNED | Director | 25 Jun 2003 | 08 Jun 2005 | | July 1970 | 46 Drury Lane, Wicken, Ely, Cambridgeshire, CB7 5XY |
| WALKER, Duncan Charles Eades RESIGNED | Director | 27 Nov 2015 | 12 Jul 2017 | England | April 1979 | 5, Hanover Square, London, W1S 1HQ |
| WIDDOP, Brian, Dr RESIGNED | Director | | 09 Jan 2002 | | November 1941 | 207 Langley Way, West Wickham, Kent, BR4 0DN |
| WYATT, Michael Gerald, Major RESIGNED | Director | 20 Sep 2000 | 25 Jan 2007 | United Kingdom | July 1937 | Pippin Park, Lidgate, Newmarket, Suffolk, CB8 9PP |