| OXFORD PHILHARMONIC ORCHESTRA TRUST | £3.1m | FY2025 | |
| THE OXFORD PLAYHOUSE TRUST | £5.3m | FY2025 | |
| OXFORD POVERTY ACTION | £42k | FY2024 | |
| THE OXFORD PRESERVATION TRUST | £838k | FY2024 | |
| OXFORD PRIDE GROUP LTD | £97k | FY2025 | |
| OXFORD PROCESS CIO | £75k | FY2024 | |
| OXFORD ROAD EDUCATIONAL CHARITY | £33k | FY2025 | |
| OXFORD ROUND TABLE CHARITABLE TRUST | £173k | FY2025 | |
| OXFORD SAIL TRAINING TRUST | £366k | FY2025 | |
| OXFORD SAMARITANS | £98k | FY2025 | |
| THE OXFORD SAMUEL BECKETT THEATRE CHARITABLE TRUST | £42k | FY2024 | |
| THE OXFORD SCHOOL OF DRAMA TRUST | £1.7m | FY2025 | trustee payments |
| OXFORD SCHOOLS CHAPLAINCY | £158k | FY2025 | |
| OXFORD SEA CADETS T.S. EURYALUS | £72k | FY2025 | |
| OXFORD SPIRES SCOUT DISTRICT | £30k | FY2025 | |
| OXFORD SPORTS COUNCIL | £57k | FY2024 | |
| OXFORD SYMPHONY ORCHESTRA | £43k | FY2025 | |
| THE OXFORD SYMPOSIUM ON FOOD AND COOKERY | £124k | FY2025 | |
| THE OXFORD SYNAGOGUE AND JEWISH CENTRE LIMITED | £255k | FY2025 | |
| OXFORD THEATRE GUILD | £77k | FY2024 | |
| OXFORD TRANSPLANT FOUNDATION | £181k | FY2025 | |
| THE OXFORD TRUST | £3.9m | FY2024 | |
| OXFORD UNITED IN THE COMMUNITY | £526k | FY2025 | reserves below policy |
| OXFORD UNIVERSITY BOAT CLUB TRUST CIO | £10k | FY2024 | |
| OXFORD UNIVERSITY STUDENT UNION | £1.1m | FY2025 | trustee payments |
| THE OXFORD WELSH MALE VOICE CHOIR | £41k | FY2025 | |
| OXFORD WINTER NIGHT SHELTER | £68k | FY2025 | reserves below policy |
| OXFORD WOOD RECYCLING LTD | £757k | FY2024 | trustee payments |
| OXFORD YOUTH CHOIRS | £35k | FY2025 | |
| OXFORD YOUTH ENTERPRISE LIMITED | £43k | FY2025 | |
| THE OXFORD ZEN CENTRE OF SANBO ZEN, KAMAKURA, JAPAN | £75k | FY2026 | |
| OXFORDSHIRE ANIMAL SANCTUARY SOCIETY | £1.8m | FY2025 | |
| OXFORDSHIRE ARCHITECTURAL AND HISTORICAL SOCIETY | £57k | FY2025 | |
| THE OXFORDSHIRE BRANCH OF THE CAMPAIGN TO PROTECT RURAL ENGLAND | £371k | FY2024 | |
| OXFORDSHIRE BREASTFEEDING SUPPORT | £64k | FY2025 | |
| THE OXFORDSHIRE CARE PARTNERSHIP | £29.6m | FY2025 | |
| OXFORDSHIRE CHINESE COMMUNITY AND ADVICE CENTRE | £86k | FY2025 | |
| OXFORDSHIRE COMMUNITY AND VOLUNTARY ACTION | £1.7m | FY2025 | |
| OXFORDSHIRE COMMUNITY CHURCHES | £5.0m | FY2025 | reserves below policy |
| OXFORDSHIRE COMMUNITY FOUNDATION | £2.1m | FY2025 | |
| THE OXFORDSHIRE COUNTY FEDERATION OF YOUNG FARMERS' CLUBS | £110k | FY2025 | trustee payments |
| OXFORDSHIRE COUNTY SCOUT COUNCIL | £327k | FY2025 | reserves below policy trustee payments |
| OXFORDSHIRE CROSSROADS | £2.1m | FY2025 | reserves below policy |
| OXFORDSHIRE DEAF CHILDREN'S SOCIETY | £19k | FY2025 | |
| OXFORDSHIRE DISCOVERY COLLEGE | £52k | FY2025 | |
| OXFORDSHIRE FAMILY HISTORY SOCIETY | £55k | FY2024 | |
| OXFORDSHIRE FAMILY SUPPORT NETWORK | £178k | FY2025 | |
| Oxfordshire Federation of Women's Institute | £189k | FY2025 | |
| OXFORDSHIRE HISTORIC CHURCHES TRUST (2016) | £401k | FY2026 | |
| OXFORDSHIRE HOMELESS MOVEMENT | £371k | FY2025 | |
| OXFORDSHIRE LAWN TENNIS ASSOCIATION | £131k | FY2025 | |
| OXFORDSHIRE MASONIC CHARITY | £88k | FY2026 | |
| OXFORDSHIRE MIND | £7.0m | FY2025 | |
| OXFORDSHIRE MOTOR PROJECT | £1.3m | FY2025 | |
| OXFORDSHIRE PLAY ASSOCIATION | £170k | FY2025 | |
| OXFORDSHIRE SCIENCE FESTIVAL | £144k | FY2025 | |
| OXFORDSHIRE VICTORIA COUNTY HISTORY TRUST | £132k | FY2025 | |
| OXFORDSHIRE WILDLIFE RESCUE | £269k | FY2025 | |
| OXFORDSHIRE YOUTH | £2.4m | FY2025 | |
| Oxhaven Trust | £183k | FY2025 | |
| OXHILL YOUTH CENTRE | £70k | FY2025 | |
| OXLEAS NHS FOUNDATION TRUST CHARITABLE FUND | £216k | FY2025 | |
| OXMARKET CENTRE OF ARTS LIMITED | £119k | FY2025 | reserves below policy |
| OXSHOTT ROYALS FOOTBALL CLUB | £161k | FY2025 | going concern |
| OXSHOTT TRUST FUND | £156k | FY2025 | |
| OXSHOTT VILLAGE SPORTS CLUB LIMITED | £394k | FY2025 | |
| OXSRAD | £238k | FY2026 | |
| OXTED AND LIMPSFIELD BARN THEATRE COMPANY LIMITED | £183k | FY2025 | |
| OXTED OPERATIC SOCIETY | £49k | FY2025 | |
| OXTED PRE-SCHOOL PLAYGROUP | £98k | FY2025 | |
| THE OXTON SOCIETY | £54k | FY2025 | |
| OXTON VILLAGE HALL | £27k | FY2025 | |
| OXYGEN | £285k | FY2025 | |
| OXYGEN & WELLNESS THERAPY CENTRE | £82k | FY2025 | trustee payments |
| Oxygen - Kingston Youth | £38k | FY2025 | |
| Oxygen House Foundation | £69k | FY2025 | |
| OXYGEN THERAPY CENTRE CARDIGAN LTD | £39k | FY2025 | |
| OY FOUNDATION | £114k | FY2025 | |
| OYA ORGANISATION OF YOUNG AFRICANS | £143k | FY2025 | reserves below policy |
| OYY LUBAVITCH BOYS SCHOOL | £383k | FY2025 | going concern |
| OZAR LENETZROCHIM LIMITED | £431k | FY2025 | |
| OZER UMAGEN | £36k | FY2025 | |
| Ozero Arts | £275k | FY2024 | reserves below policy |