| HARBOUR ENERGY SECRETARIES LIMITED ACTIVE | Secretary | 10 Oct 2022 | | | | 23, Lower Belgrave Street, London, SW1W 0NR, England |
| LANDES, Howard Ralph ACTIVE | Director | 20 Oct 2021 | | United Kingdom | December 1975 | The Colmore Building, 20 Colmore Circus Queensway, Birmingham, B4 6AT |
| RICKARD, Rachel Abigail ACTIVE | Director | 20 Oct 2021 | | England | March 1979 | The Colmore Building, 20 Colmore Circus Queensway, Birmingham, B4 6AT |
| GRIMSHAW, David RESIGNED | Secretary | 18 Sep 2003 | 30 Sep 2019 | | | Brettenham House, Lancaster Place, London, WC2E 7EN, England |
| LANDES, Howard Ralph RESIGNED | Secretary | 30 Sep 2019 | 10 Oct 2022 | | | Brettenham House, Lancaster Place, London, WC2E 7EN, England |
| PEPIN, Jean-Francois Jacques Basile RESIGNED | Secretary | 13 May 2013 | 14 Aug 2014 | | | Portman House 2 Portman Street, London, W1H 6DU |
| REDRUP, Leslie Charles Ernest RESIGNED | Secretary | | 31 Mar 1999 | | | Ashlyn House Estate Farm, South Drive Ossemsley, New Milton, Hampshire, BH25 5TL |
| STIRRUP, Edith Jeannie RESIGNED | Secretary | 18 Sep 2003 | 30 Apr 2012 | | | Portman House 2 Portman Street, London, W1H 6DU |
| STOKELD, Michael Philip, Sol RESIGNED | Secretary | 03 Sep 2002 | 18 Sep 2003 | | | 35 The Meadows, Milltimber, Aberdeen, AB13 0JT |
| WARD, Elaine June RESIGNED | Secretary | 18 Sep 2003 | 13 Oct 2006 | | | 18 Balmoral Place, Aberdeen, Aberdeenshire, AB10 6HR |
| WATSON, Susan Elizabeth RESIGNED | Secretary | 01 Apr 1999 | 15 Nov 2002 | | | Lambeck Horsell Park, Woking, Surrey, GU21 4LY |
| ANDERSON, Robert Hendry RESIGNED | Director | 07 Sep 2009 | 13 May 2013 | Scotland | October 1956 | Portman House 2 Portman Street, London, W1H 6DU |
| BOON, Yves Marie Joseph Victor RESIGNED | Director | | 29 Sep 1994 | | February 1947 | 1 Holywell, Hook Heath Road, Woking, Surrey, GU22 0LA |
| CHENIER, David Eric RESIGNED | Director | 19 Apr 2012 | 01 Aug 2015 | Scotland | January 1962 | Portman House 2 Portman Street, London, W1H 6DU |
| COOK, Thomas Edward RESIGNED | Director | 15 Nov 2002 | 14 Aug 2003 | | March 1955 | Kinross, 3 Manor Lane, Gerrards Cross, Buckinghamshire, SL9 9NH |
| FREDIN, Todd William RESIGNED | Director | 14 Aug 2003 | 31 Jan 2010 | | May 1954 | Thornton, 48 Ince Road Burwood Park, Walton On Thames, Surrey, KT12 5BJ |
| GAUTREY, Christopher RESIGNED | Director | 21 Jan 2004 | 07 Sep 2009 | England | December 1948 | 4 Packwood Mews, Humphris Street, Warwick, Warwickshire, CV34 5NG |
| HALLIWELL, Andrew Roy RESIGNED | Director | 05 Aug 2005 | 05 Mar 2010 | | March 1957 | Portman House 2 Portman Street, London, W1H 6DU |
| HALLIWELL, Andrew Roy RESIGNED | Director | 14 Jan 2004 | 22 Mar 2004 | | March 1957 | 14 Westfield Terrace, Aberdeen, Aberdeenshire, AB25 2RU |
| HARRIS, Elizabeth Ann RESIGNED | Director | 29 Sep 1994 | 31 Mar 2000 | | April 1947 | Broadway, Pyrford Woods, Pyrford, Surrey, GU22 8QR |
| HASTINGS, Andrew David Richard RESIGNED | Director | 09 Oct 2009 | 15 Jun 2018 | Scotland | February 1961 | 20th Floor, 1 Angel Court, London, EC2R 7HJ, England |
| KENNEDY, Archibald Wood RESIGNED | Director | 22 Mar 2004 | 03 Apr 2009 | United Kingdom | June 1958 | The Garran, Crawton Bay, Stonehaven, Aberdeenshire, AB39 2TP |
| KING, Terri Gay RESIGNED | Director | 05 Jan 2017 | 30 Sep 2019 | United Kingdom | March 1961 | Brettenham House, Lancaster Place, London, WC2E 7EN, England |
| KIRK, Philip Andrew RESIGNED | Director | 30 Sep 2019 | 20 Oct 2021 | England | May 1966 | Brettenham House, Lancaster Place, London, WC2E 7EN, England |
| MACKLON, Dominic Edward RESIGNED | Director | 01 Aug 2015 | 05 Jan 2017 | Scotland | April 1969 | Portman House 2 Portman Street, London, W1H 6DU |
| MAXSON, Page Frank RESIGNED | Director | 14 Aug 2003 | 22 Nov 2004 | | December 1960 | 5 Northcote Hill, Aberdeen, AB15 7TW |
| MCMORRAN, James Deas RESIGNED | Director | 14 Aug 2003 | 31 Dec 2003 | | July 1957 | 5 Somers Crescent, London, W2 2PN |
| OSBORNE, Andrew Jon RESIGNED | Director | 30 Sep 2019 | 26 Oct 2021 | United Kingdom | November 1969 | Brettenham House, Lancaster Place, London, WC2E 7EN, England |
| RAMSHAW, Roger Stephen RESIGNED | Director | 14 Aug 2003 | 31 Dec 2003 | Scotland | February 1949 | Broomwood, Ballater Road, Aboyne, Aberdeenshire, AB34 5HY |
| REDRUP, Leslie Charles Ernest RESIGNED | Director | | 31 Mar 1999 | | November 1943 | Ashlyn House Estate Farm, South Drive Ossemsley, New Milton, Hampshire, BH25 5TL |
| SCOTT, Russell RESIGNED | Director | 25 Sep 2018 | 30 Sep 2019 | Scotland | September 1973 | Brettenham House, Lancaster Place, London, WC2E 7EN, England |
| SIMPSON, Katherine Susan RESIGNED | Director | 15 Jun 2018 | 22 May 2019 | United Kingdom | October 1961 | 20th Floor, 1 Angel Court, London, EC2R 7HJ, England |
| SKJERVOY, Arild RESIGNED | Director | 14 Aug 2003 | 05 Aug 2005 | | November 1958 | 2 Macaulay Drive, Craigiebuckler, Aberdeen, AB15 8FL |
| STALKER, Ross Graham RESIGNED | Director | 31 Oct 2015 | 25 Sep 2018 | United Kingdom | October 1964 | 20th Floor, 1 Angel Court, London, EC2R 7HJ, England |
| STOKELD, Michael Philip, Sol RESIGNED | Director | 03 Sep 2002 | 18 Sep 2003 | | May 1956 | 35 The Meadows, Milltimber, Aberdeen, AB13 0JT |
| WALKER, Nigel Francis Courtenay RESIGNED | Director | 01 Apr 2000 | 03 Sep 2002 | | July 1951 | 15 Wildcroft Drive, Wokingham, Berkshire, RG40 3HY |
| WARWICK, Paul Cyril RESIGNED | Director | 03 Apr 2009 | 30 Apr 2012 | Scotland | April 1953 | Portman House 2 Portman Street, London, W1H 6DU |
| WATSON, Susan Elizabeth RESIGNED | Director | 01 Apr 1999 | 15 Nov 2002 | | June 1958 | Lambeck Horsell Park, Woking, Surrey, GU21 4LY |
| WOLFE, Patrick RESIGNED | Director | 22 May 2019 | 30 Sep 2019 | Scotland | February 1963 | Brettenham House, Lancaster Place, London, WC2E 7EN, England |
| WRIGHT, Michael Don RESIGNED | Director | 13 May 2013 | 29 Oct 2015 | Scotland | May 1964 | Portman House 2 Portman Street, London, W1H 6DU |