| RIVERSTONE MANAGEMENT LIMITED ACTIVE | Secretary | 23 Jul 2026 | | | | Park Gate, 161-163 Preston Road, Brighton, East Sussex, BN1 6AU, United Kingdom |
| CAIN, Michael Roger ACTIVE | Director | 08 Jan 2026 | | United Kingdom | March 1972 | Riverstone Managment Limited, Park Gate, 161-163 Preston Road, Brighton, East Sussex, BN1 6AU, United Kingdom |
| CREED, Andrew Robert ACTIVE | Director | 12 Mar 2021 | | England | June 1983 | Park Gate 161-163, Preston Road, Brighton, East Sussex, BN1 6AU, United Kingdom |
| BUCKNELL, Zoe Claire RESIGNED | Secretary | 14 Mar 2003 | 31 Dec 2006 | | | Flat 1, 20 Collingham Gardens, London, SW5 0HL |
| BURGE, Julia Rose RESIGNED | Secretary | 24 Nov 1998 | 31 Oct 2001 | | | Walnut Tree Cottage, School Street, Stoke By Nayland, Suffolk, CO6 4QX |
| EWING, Neil Murdoch RESIGNED | Secretary | 01 Sep 2008 | 11 Dec 2020 | | | 2nd Floor, 2 Minster Court, London, EC3R 7BB, United Kingdom |
| JOHNSON, Nicholas Paul RESIGNED | Secretary | 11 Dec 2020 | 23 Jul 2026 | | | Park Gate 161-163, Preston Road, Brighton, East Sussex, BN1 6AU, United Kingdom |
| MURPHY, Clifford Edward RESIGNED | Secretary | 01 Nov 2001 | 14 Mar 2003 | | | 8 Harts Grove, Woodford Green, Essex, IG8 0BN |
| PERDONI, Giuseppe RESIGNED | Secretary | 01 Jan 2007 | 31 Aug 2008 | | | The Old Coach House, 295 Waldegrave Road, Strawberry Hill, Twickenham, TW1 4SU |
| THOMPSON, Keith Donald RESIGNED | Secretary | 05 Oct 1994 | 24 Nov 1998 | | | Hilltop House, Mill Lane, Hartlip, Kent, ME9 7TD |
| WALTONS & MORSE RESIGNED | Secretary | 28 Oct 1993 | 05 Oct 1994 | | | Plantation House 31-35 Fenchurch Street, London, EC3M 3NN |
| AMBRIDGE, Trevor John RESIGNED | Director | 04 Jan 2010 | 23 Aug 2021 | United Kingdom | May 1959 | 2nd Floor, 2 Minster Court, London, EC3R 7BB, United Kingdom |
| CAUDLE, Brian Frank RESIGNED | Director | 28 Oct 1993 | 30 Jun 2012 | England | September 1935 | 2nd Floor, 2 Minster Court, London, EC3R 7BB, United Kingdom |
| EDGE, Michael Alan RESIGNED | Director | 28 Oct 1993 | 06 Oct 1994 | England | October 1945 | Maple Lodge Maplescombe Lane, Farningham, Kent, DA4 0JY |
| GREEN, Philip James RESIGNED | Director | 04 Jan 2010 | 19 Jan 2016 | England | July 1967 | 2nd Floor, 2 Minster Court, London, EC3R 7BB, United Kingdom |
| HEWITT, Ian Malcolm RESIGNED | Director | 19 Jan 2016 | 31 Mar 2021 | United Kingdom | September 1962 | 2nd Floor, 2 Minster Court, London, EC3R 7BB |
| HILSUM, John Barry RESIGNED | Director | 20 Jul 1995 | 20 Jul 1995 | | September 1941 | The Lodge, Great Waldingfield, Sudbury, Suffolk, CO10 0TJ |
| ROWBOTHAM, Brian William RESIGNED | Director | 01 Feb 1995 | 04 Jan 2010 | England | May 1931 | 46 Alma Road, Reigate, Surrey, RH2 0DN |
| TANZER, Luke Robert RESIGNED | Director | 12 Mar 2021 | 05 Jan 2026 | England | November 1965 | Park Gate 161-163, Preston Road, Brighton, East Sussex, BN1 6AU, United Kingdom |
| THOMPSON, Keith Donald RESIGNED | Director | 28 Oct 1993 | 31 Aug 2011 | England | October 1957 | 2nd Floor, 2 Minster Court, London, EC3R 7BB, United Kingdom |