| Q1 PROFESSIONAL SERVICES ACTIVE | Secretary | 01 Jan 2026 | | | | One, Station Approach, Harlow, Essex, CM20 2FB, England |
| COOMBES, Susan Carol ACTIVE | Director | 05 Feb 2021 | | England | September 1955 | Ashfield House, Moolham Lane, Ilminster, Somerset, TA19 0PD, England |
| MAINGAY, Oliver Nicholas Tyndall ACTIVE | Director | 05 Feb 2021 | | England | November 1984 | 11b Upper Teddington Road, Kingston Upon Thames, KT1 4DL, England |
| PARRY, Stephen John ACTIVE | Director | 04 Feb 2021 | | England | April 1967 | 166 East Dulwich Grove, Dulwich, London, SE22 8TB, United Kingdom |
| SOBER, Anthony Lionel ACTIVE | Director | 28 May 2012 | | England | February 1943 | 34, Beech Drive, London, N2 9NY, United Kingdom |
| BAKER, Peter Ackerman RESIGNED | Secretary | | 26 May 1992 | | | The Limes, Donnington Park, Newbury, Berks, RG13 2DZ |
| BRAFMAN, Barbara Monica RESIGNED | Secretary | 26 May 1992 | 28 May 2012 | | | 5 Shoreacres, Sandbanks, Poole, Dorset, BH13 7QH |
| FRY, Michael John Russell RESIGNED | Secretary | 28 May 2012 | 30 May 2017 | | | 21, Bracken Avenue, London, SW12 8BJ |
| PARRY, Stephen John RESIGNED | Secretary | 30 May 2017 | 01 Jan 2021 | | | 166 East Dulwich Grove, Dulwich, London, SE22 8TB, United Kingdom |
| SOBER, Anthony Lionel RESIGNED | Secretary | 01 Jan 2021 | 01 Jan 2026 | | | 34 Beech Drive, London, N2 9NY, United Kingdom |
| BAKER, Peter Ackerman RESIGNED | Director | | 26 May 1992 | | September 1928 | The Limes, Donnington Park, Newbury, Berks, RG13 2DZ |
| BRAFMAN, Barbara Monica RESIGNED | Director | 12 Aug 1991 | 28 May 2012 | United Kingdom | April 1933 | 5 Shoreacres, Sandbanks, Poole, Dorset, BH13 7QH |
| FRY, George Russell RESIGNED | Director | | 01 May 2010 | United Kingdom | February 1917 | Netherfield, Pinewood Chase, Crowborough, East Sussex, TN6 1TY |
| FRY, Michael John Russell RESIGNED | Director | 28 May 2012 | 30 May 2017 | United Kingdom | July 1955 | 21, Bracken Avenue, Balham, London, SW12 8BJ, United Kingdom |
| MAINGAY, Deborah Jane RESIGNED | Director | 01 Sep 2000 | 01 May 2010 | United Kingdom | July 1954 | Linton House 8 Southborough Road, Surbiton, Surrey, KT6 6JN |
| NASH, David Percy RESIGNED | Director | 01 May 2010 | 28 May 2012 | United Kingdom | May 1940 | Flat 17, 141 Banks Road, Poole, Dorset, BH13 7QH, United Kingdom |
| NASH, Lindsey Jane RESIGNED | Director | 23 Jan 2024 | 02 Jul 2026 | England | March 1959 | 17 Shoreacres, 141 Banks Road, Poole, Dorset, BH13 7QH, England |
| PARRY, Stephen John RESIGNED | Director | 28 May 2012 | 01 Jan 2021 | England | April 1967 | 166, East Dulwich Grove, Dulwich, London, SE22 8TB, United Kingdom |
| PISTOL, Neil George RESIGNED | Director | 25 Jan 2021 | 21 Feb 2023 | United Kingdom | August 1959 | 104 High Street, London Colney, Hertfordshire, AL2 1QL, England |
| PURGAVIE, Bruce Roy RESIGNED | Director | | 26 May 2015 | United Kingdom | January 1940 | The Hollies, 62 Dulwich Village, London, SE21 7AJ |
| RICH, Allan Jeffrey RESIGNED | Director | 27 May 2014 | 20 Jan 2021 | England | October 1942 | Easton Ride Old Priory, Tile Kiln Lane, Harefield, Middlesex, UB9 6LU, England |
| SARGEANT, Melvyn John RESIGNED | Director | 07 Sep 2000 | 28 May 2012 | United Kingdom | November 1942 | Little Oaks Farm Boat Lane, Summerhill, Lichfield, Staffs, WS14 0PS |