| BARRERO, Joseph Angus ACTIVE | Director | 01 Apr 2026 | | England | March 1985 | Home Farm, Ardington, Wantage, Oxfordshire, OX12 8PD, United Kingdom |
| DAVIES, Tom ACTIVE | Director | 01 Jul 2023 | | England | August 1976 | Home Farm, Ardington, Wantage, Oxfordshire, OX12 8PD, United Kingdom |
| EARLY, Louise Elizabeth ACTIVE | Director | 01 May 2021 | | England | March 1975 | Home Farm, Ardington, Wantage, Oxfordshire, OX12 8PD, United Kingdom |
| MORRIS, Richard John ACTIVE | Director | 28 Feb 2022 | | England | January 1975 | Home Farm, Ardington, Wantage, Oxfordshire, OX12 8PD, United Kingdom |
| NEWSOM, Tyler Boyd ACTIVE | Director | 30 Sep 2025 | | United States | February 1989 | Home Farm, Ardington, Wantage, Oxfordshire, OX12 8PD, United Kingdom |
| AVERY, David Galsworthy RESIGNED | Secretary | 01 Sep 1999 | 28 Jan 2015 | | | 6, Odun Road, Appledore, Bideford, Devon, EX39 1PT |
| OSS SECRETARIES LIMITED RESIGNED | Secretary | 21 Jan 1999 | 01 Sep 1999 | | | Ground Floor, Tower House 26 The Strand, Bideford, Devon, EX39 2ND |
| AVERY, Philip David RESIGNED | Director | 09 Sep 1999 | 26 Jun 2024 | United Kingdom | March 1966 | Home Farm, Ardington, Wantage, Oxfordshire, OX12 8PD, United Kingdom |
| CALLAGHAN, Stephen James RESIGNED | Director | 01 Aug 2014 | 14 Nov 2018 | United Kingdom | December 1960 | Home Farm, Ardington, Wantage, Oxfordshire, OX12 8PD, United Kingdom |
| CLARK, Stephen Malcolm RESIGNED | Director | 01 Sep 1999 | 10 Jan 2018 | United Kingdom | October 1967 | 29, Glebe Road, Purley On Thames, Reading, Berkshire, RG8 8DP |
| CLARKE, Stephen Craig RESIGNED | Director | 12 Jan 2018 | 14 Nov 2018 | England | September 1958 | Home Farm, Ardington, Wantage, Oxfordshire, OX12 8PD, United Kingdom |
| D'SOUZA, Anthony Vincent RESIGNED | Director | 01 Jan 2009 | 31 Jul 2023 | United Kingdom | May 1981 | Home Farm, Ardington, Wantage, Oxfordshire, OX12 8PD, United Kingdom |
| MCMILLAN, Wendy Juliet RESIGNED | Director | 14 Nov 2018 | 01 Apr 2021 | United Kingdom | September 1975 | Home Farm, Ardington, Wantage, Oxfordshire, OX12 8PD, United Kingdom |
| MORTIMER, Joseph Edward RESIGNED | Director | 01 Aug 2020 | 30 Sep 2025 | England | February 1992 | Home Farm, Ardington, Wantage, Oxfordshire, OX12 8PD, United Kingdom |
| MÜLLER, Thorsten, Dr RESIGNED | Director | 01 Nov 2022 | 30 Sep 2025 | Germany | April 1977 | Home Farm, Ardington, Wantage, Oxfordshire, OX12 8PD, United Kingdom |
| PRESTIDGE, Tim, Dr RESIGNED | Director | 01 Apr 2021 | 17 Mar 2022 | England | May 1971 | Home Farm, Ardington, Wantage, Oxfordshire, OX12 8PD, United Kingdom |
| ROSENTHAL, Andrew John RESIGNED | Director | 01 Mar 2006 | 22 May 2009 | | May 1965 | Sailors, 8, Lane End, Instow, Devon, EX39 4LE |
| SPAAN, Belle Wilhelmina Johanna RESIGNED | Director | 08 Mar 2022 | 25 May 2023 | Netherlands | October 1978 | Home Farm, Ardington, Wantage, Oxfordshire, OX12 8PD, United Kingdom |
| VAN DER PANT, Gavin Lawrence RESIGNED | Director | 14 Nov 2018 | 08 Mar 2022 | England | July 1964 | Home Farm, Ardington, Wantage, Oxfordshire, OX12 8PD, United Kingdom |
| OSS DIRECTORS LIMITED RESIGNED | Director | 21 Jan 1999 | 01 Sep 1999 | | | Ground Floor Tower House, 26 The Strand, Bideford, Devon, EX39 2ND |