| OTTERY ST MARY UNITED REFORMED CHURCH CHARITY | £66k | FY2024 | |
| THE OTTO GIESEN FUND | £22k | FY2025 | |
| OTTO SCHIFF HOUSING ASSOCIATION | £246k | FY2026 | reserves below policy |
| OTTOMAN'S SOCIAL COMPLEX | £41k | FY2025 | |
| OUCH (UK) | £33k | FY2025 | |
| OUGHTIBRIDGE WAR MEMORIAL RECREATION GROUND | £70k | FY2025 | |
| OUGHTIBRIDGE WESLEYAN REFORM CHAPEL | £30k | FY2025 | |
| OUGHTRINGTON COMMUNITY CENTRE | £36k | FY2025 | |
| OUGHTRINGTON PRE-SCHOOL | £95k | FY2025 | going concern |
| OULTON BROAD WATER SPORTS CENTRE | £89k | FY2025 | |
| OULTON COMMUNITY ASSOCIATION | £37k | FY2024 | |
| OULTON GOSPEL HALL TRUST | £282k | FY2025 | |
| THE OULTON INSTITUTE | £99k | FY2025 | going concern |
| OULTON VILLAGE HALL | £29k | FY2025 | |
| OUNDLE BAPTIST CHURCH | £90k | FY2025 | not a going concern |
| OUNDLE MENCAP HOLIDAYS LTD | £97k | FY2025 | |
| OUNDLE ROAD BAPTIST CHURCH, PETERBOROUGH | £118k | FY2025 | |
| THE OUNDLE SCHOOL FOUNDATION | £1.9m | FY2025 | |
| OUR AIM APPEALS | £102k | FY2025 | |
| OUR BARN COMMUNITY | £218k | FY2025 | |
| OUR BIG PICTURE LTD | £257k | FY2025 | |
| Our Bolton NHS Charity | £191k | FY2025 | |
| OUR BUS BARTONS LIMITED | £47k | FY2025 | |
| OUR CENTRE | £336k | FY2025 | |
| OUR CHARTIST HERITAGE | £34k | FY2025 | |
| OUR COMMUNITY FOUNDATION | £239k | FY2025 | |
| OUR DAILY BREAD MINISTRIES TRUST | £2.6m | FY2025 | |
| OUR DEMENTIA CHOIR | £204k | FY2025 | |
| OUR FATHER MINISTRIES - GB | £105k | FY2025 | reserves below policy |
| OUR FATHER'S HEART | £248k | FY2025 | reserves below policy |
| Our Food Trust | £127k | FY2025 | |
| OUR FREE MINDS CIO | £47k | FY2025 | |
| OUR FUTURE | £618k | FY2025 | |
| OUR FUTURE HEALTH | £97.9m | FY2025 | |
| OUR GOD GIVEN MISSION | £82k | FY2025 | going concern |
| OUR HIDDEN TREASURE | £111k | FY2025 | |
| OUR HOUSE CHURCH YATELEY | £68k | FY2024 | |
| OUR HOUSE COMMUNITY | £256k | FY2025 | |
| OUR JESUS LIVES MINISTRIES | £123k | FY2025 | |
| OUR KIDS | £19.3m | FY2024 | |
| OUR KIDS EYES | £134k | FY2025 | |
| OUR KIDS FIRST | £386k | FY2024 | |
| OUR KIDS FOUNDATION | £35k | FY2025 | |
| OUR LADY OF CZESTOCHOWA POLISH SCHOOL | £62k | FY2025 | |
| OUR LADY OF FIDELITY GENERAL TRUST | £160k | FY2024 | |
| OUR LADY OF LOURDES PRE-SCHOOL | £105k | FY2025 | |
| OUR LADY OF LOURDES WANSTEAD, PARENT TEACHER ASSOCIATION | £34k | FY2025 | going concern |
| OUR LADY OF RANSOM PRE-SCHOOL | £220k | FY2025 | |
| OUR LADY OF SION SCHOOL, WORTHING | £4.0m | FY2025 | reserves below policy |
| OUR LADY OF THE WAYSIDE PRE-SCHOOL | £79k | FY2025 | going concern |
| OUR LADY'S ABINGDON TRUSTEES LIMITED | £6.2m | FY2023 | reserves below policy going concern |
| OUR LADY'S CATHOLIC HIGH SCHOOL FUND | £391k | FY2025 | |
| OUR LADY'S FIRST STEPS PRE-SCHOOL | £817k | FY2025 | |
| OUR MOON EDUCATION | £139k | FY2025 | |
| OUR MYNACHDY COMMUNITY | £65k | FY2025 | |
| OUR PLACE | £70k | FY2025 | |
| Our Room Manchester | £373k | FY2025 | |
| Our Roots Inner City Lives | £11k | FY2024 | |
| OUR SALE WEST | £306k | FY2025 | |
| OUR SANSAR LIMITED | £403k | FY2026 | |
| OUR SECOND HOME | £493k | FY2025 | |
| OUR SOCIETY UNITED KINGDOM | £59k | FY2025 | |
| OUR SPACE (STAFFS) LTD | £158k | FY2025 | |
| OUR SPECIAL FRIENDS | £231k | FY2026 | reserves below policy |
| OUR TIME | £253k | FY2025 | |
| OUR UMMAH TRUST | £34k | FY2025 | |
| OUR WARM WELCOME | £45k | FY2025 | |
| OUR WAY SELF ADVOCACY | £90k | FY2025 | |
| OURBRAINBANK | £28k | FY2024 | |
| OURJAY FOUNDATION | £346k | FY2025 | |
| OURSIDE YOUTH ASSOCIATION | £109k | FY2025 | |
| Ousa Limited | £594k | FY2025 | going concern trustee payments |
| Ousden Village Hall and Playing Fields | £29k | FY2025 | |
| OUSE & ADUR RIVERS TRUST | £434k | FY2025 | |
| OUSEBURN COMMUNITY CENTRE | £57k | FY2025 | going concern |
| OUSEBURN FARM CHARITY LIMITED | £505k | FY2025 | |
| OUSEBURN TRUST | £500k | FY2026 | |
| THE OUSELEY CHURCH MUSIC TRUST | £199k | FY2025 | |
| OUSTON COMMUNITY ASSOCIATION LIMITED | £89k | FY2026 | |
| OUT & PROUD AFRICAN LGBTI | £152k | FY2025 | reserves below policy |
| Out North East | £411k | FY2025 | |
| OUT OF AFRICA | £92k | FY2024 | reserves below policy |
| OUT OF CHARACTER | £40k | FY2025 | |
| OUT OF CLASS | £68k | FY2025 | |
| OUT OF SIGHT | £115k | FY2025 | |
| OUT THERE SUPPORTING FAMILIES OF PRISONERS LIMITED | £256k | FY2025 | reserves below policy |
| OUT TO SWIM | £449k | FY2024 | reserves below policy |
| Out Together | £83k | FY2024 | |
| THE OUTCRY ENSEMBLE | £152k | FY2025 | |
| OUTDOOR AND SUSTAINABILITY EDUCATION SPECIALISTS (OASES) LIMITED | £586k | FY2025 | |
| THE OUTDOOR COLLABORATIVE | £97k | FY2026 | |
| OUTDOOR LEARNING LLANGOLLEN CIO | £206k | FY2025 | reserves below policy going concern |
| Outdoor Mobility | £151k | FY2025 | |
| OUTDOORLADS LIMITED | £332k | FY2025 | |
| The OutHouse | £145k | FY2025 | qualified opinion |
| OUTHWAITE CHARITABLE TRUST | £138k | FY2025 | |
| THE OUTLOOK FOUNDATION | £1.8m | FY2025 | reserves below policy |
| THE OUTLOOK TRUST FOR THE VISUALLY IMPAIRED | £30k | FY2024 | |
| OUTpatients | £254k | FY2025 | |
| OUTPOST CHURCH | £66k | FY2025 | |
| OUTREACH 3 WAY | £7.6m | FY2025 | |
| OUTREACH CHRISTIAN CENTRE | £75k | FY2024 | trustee payments |
| OUTREACH COMMUNITY AND RESIDENTIAL SERVICES | £2.8m | FY2025 | reserves below policy |
| Outreach EMR | £116k | FY2025 | |
| OUTREACH INTERNATIONAL HEALING MINISTRIES | £52k | FY2025 | |
| OUTREACH UK | £76k | FY2025 | |
| OUTREACH YOUTH | £163k | FY2025 | |
| THE OUTRUNNERS CHARITY | £359k | FY2025 | |
| OUTSET - CONTEMPORARY ART FUND | £490k | FY2024 | |
| OUTSIDE EDGE THEATRE COMPANY | £268k | FY2025 | |
| OUTSIDE IN ART | £572k | FY2025 | reserves below policy |
| OUTSIDE IN PATHWAYS LTD | £68k | FY2025 | qualified opinion |
| OUTSIDE-IN CUMBRIA | £211k | FY2025 | going concern |
| THE OUTWARD BOUND TRUST | £17.3m | FY2025 | |
| OUTWARD HOUSING | £21.4m | FY2025 | |
| OUTWOOD MEMORIAL HALL AND COMMUNITY CENTRE | £70k | FY2025 | |
| OUTWOOD PRE-SCHOOL PLAYGROUP | £56k | FY2026 | |
| OVACOME | £878k | FY2025 | |
| THE OVAL (STEVENAGE) COMMUNITY ASSOCIATION | £95k | FY2025 | |
| THE OVAL CRICKET RELIEF TRUST | £4k | FY2024 | |
| OVAL LEARNING CLUSTER | £258k | FY2025 | |
| OVARIAN CANCER ACTION | £1.6m | FY2025 | |
| OVATION MUSIC | £46k | FY2025 | trustee payments |
| THE OVE ARUP FOUNDATION | £319k | FY2025 | |
| OVE ARUP PARTNERSHIP CHARITABLE TRUST | £719k | FY2025 | |
| OVER COMMUNITY ASSOCIATION | £89k | FY2025 | |
| THE OVER DAY CENTRE ASSOCIATION | £170k | FY2025 | |
| OVER KELLET PLAYGROUP | £144k | FY2025 | |
| OVER PUDDLEDUCKS PRE-SCHOOL | £122k | FY2025 | |
| OVER THE WALL CAMP | £3.1m | FY2025 | |
| OVERBURY AND CONDERTON FOUNDATION | £115k | FY2026 | |
| OVERCOME | £295k | FY2025 | |
| THE OVERCOMERS CHRISTIAN FELLOWSHIP INTERNATIONAL PLYMOUTH | £175k | FY2025 | trustee payments |
| OVERCOMERS FAMILY CHURCH INTERNATIONAL | £58k | FY2024 | |
| OVERCOMING MULTIPLE SCLEROSIS | £1.2m | FY2025 | |
| OVEREATERS ANONYMOUS GREAT BRITAIN [OAGB] | £41k | FY2025 | |
| Overflow Church | £41k | FY2025 | |
| OVERGATE HOSPICE | £9.8m | FY2025 | reserves below policy |
| OVERSEAL PRE-SCHOOL PLAYGROUP | £63k | FY2025 | reserves below policy |
| OVERSEAS AID FOR THE KIDS OF SIERRA LEONE (OAKS) | £117k | FY2025 | |
| THE OVERSEAS BISHOPRICS' FUND | £526k | FY2025 | |
| OVERSEAS CHINESE ASSOCIATION | £77k | FY2025 | |
| OVERSEAS CHINESE ASSOCIATION (SOUTH WEST REGION) | £74k | FY2025 | |
| OVERSEAS FELLOWSHIP OF NIGERIAN CHRISTIANS | £390k | FY2023 | |
| OVERSEAS PLASTIC SURGERY APPEAL | £20k | FY2024 | |
| THE OVERSEAS SERVICE PENSIONERS BENEVOLENT SOCIETY | £39k | FY2024 | |
| THE OVERSEAS WELFARE SOCIETY UK | £39k | FY2025 | |
| OVERSLADE COMMUNITY ASSOCIATION | £52k | FY2025 | |
| THE OVERSTALL CHARITABLE TRUST | £35k | FY2025 | |
| THE OVERTON COMMUNITY ASSOCIATION | £42k | FY2025 | |
| OVERTON PLAYCENTRE | £213k | FY2025 | |
| OVERTON PLAYGROUP | £285k | FY2025 | |
| OVERTON RECREATION CENTRE | £159k | FY2024 | |
| OVERTON SCHOOL ASSOCIATION | £27k | FY2025 | |
| OVERTON VILLAGE HALL | £35k | FY2025 | |
| OVING ALMSHOUSE TRUST | £26k | FY2025 | |
| OVING JUBILEE HALL | £65k | FY2026 | |
| OVINGDEAN HALL FOUNDATION | £774k | FY2025 | |
| OVINGDEAN VILLAGE HALL | £27k | FY2025 | |
| OVINGHAM AND DISTRICT UNDER 5'S | £67k | FY2025 | |
| OVINGHAM VILLAGE HALL | £26k | FY2025 | |
| OVO | £689k | FY2025 | reserves below policy |
| THE OVO CHARITABLE FOUNDATION | £1.2m | FY2025 | |
| OVOS UBONIM/YAGDIL TORAH | £131k | FY2024 | |
| THE OWEN JENKINS TRUST | £122k | FY2025 | |
| OWEN MCVEIGH FOUNDATION | £426k | FY2025 | |
| THE OWEN OWEN TRUST FUND | £85k | FY2025 | |
| THE OWEN SMITH CHARITABLE TRUST | £72k | FY2025 | |
| THE OWEN'S SCHOOL ASSOCIATION | £76k | FY2025 | |
| OWERMOIGNE VILLAGE HALL | £34k | FY2025 | |
| OWL BLUE | £84k | FY2025 | |
| THE OWL PRE-SCHOOL | £190k | FY2025 | |
| OWLERTON WESLEYAN REFORM CHURCH | £36k | FY2024 | |
| OWLSMOOR PARENT TEACHER ASSOCIATION | £79k | FY2025 | |
| OWNERSHIP AT WORK | £57k | FY2025 | |
| OXCLOSE AND DISTRICT YOUNG PEOPLES PROJECT LTD | £192k | FY2025 | |
| OXENHOPE COMMUNITY ASSOCIATION | £26k | FY2025 | |
| OXENHOPE UNDER FIVES | £139k | FY2025 | |
| OXFAM | £339.4m | FY2025 | |
| OXFORD AMATEUR ROWING CLUB | £60k | FY2025 | |
| THE OXFORD AND CAMBRIDGE ROWING FOUNDATION | £332k | FY2025 | |
| OXFORD AND DISTRICT MENCAP | £87k | FY2025 | |
| OXFORD AND SWINDON AREA QUAKER MEETING OF THE RELIGIOUS SOCIETY OF FRIENDS (QUAKERS) IN BRITAIN | £370k | FY2025 | |
| OXFORD ARCHAEOLOGY LIMITED | £27.6m | FY2025 | |
| OXFORD ASIAN CULTURAL ASSOCIATION | £30k | FY2025 | |
| OXFORD BACH SOLOISTS | £188k | FY2025 | |
| OXFORD BIBLE CHURCH TRUST LIMITED | £331k | FY2025 | |
| THE OXFORD BIBLIOGRAPHICAL SOCIETY | £28k | FY2024 | |
| OXFORD BREAST BUDDY GROUP | £36k | FY2025 | |
| OXFORD BRIDGE CLUB CIO | £105k | FY2025 | |
| OXFORD BROOKES STUDENTS UNION LTD | £1.6m | FY2025 | trustee payments |
| OXFORD BUDDHA VIHARA | £185k | FY2025 | |
| THE OXFORD BUS MUSEUM TRUST LIMITED | £95k | FY2025 | |
| THE OXFORD CENTRE FOR ISLAMIC STUDIES | £6.0m | FY2025 | reserves below policy |
| THE OXFORD CENTRE FOR BUDDHIST STUDIES | £60k | FY2025 | |
| OXFORD CENTRE FOR EDUCATION AND RESEARCH IN PALLIATIVE CARE: SOBELL HOUSE | £474k | FY2026 | |
| THE OXFORD CENTRE FOR HINDU STUDIES | £1.1m | FY2025 | going concern |
| THE OXFORD CENTRE FOR MISSION STUDIES | £1.4m | FY2025 | |
| OXFORD CENTRE FOR RELIGION AND PUBLIC LIFE | £837k | FY2025 | |
| OXFORD CENTRE FOR TRAINING RESEARCH ADVOCACY AND DIALOGUE | £41k | FY2025 | |
| OXFORD CHAMBER MUSIC FOUNDATION LIMITED | £83k | FY2025 | |
| OXFORD CHAMBER MUSIC SOCIETY | £30k | FY2025 | |
| THE OXFORD CHINESE CHRISTIAN CHURCH | £186k | FY2024 | |
| OXFORD CHRISTADELPHIANS | £56k | FY2025 | |
| OXFORD CHURCHES DEBT CENTRE | £99k | FY2025 | |
| OXFORD CITY FARM | £307k | FY2025 | |
| OXFORD COMMUNITY WORK AGENCY LIMITED | £266k | FY2025 | |
| OXFORD CONSERVATION CONSORTIUM | £506k | FY2025 | |
| OXFORD CONTEMPORARY MUSIC | £274k | FY2025 | trustee payments |
| THE OXFORD DIOCESAN BELL FUND | £59k | FY2025 | |
| OXFORD DIOCESAN BOARD OF EDUCATION | £7.2m | FY2024 | trustee payments |
| THE OXFORD DIOCESAN BOARD OF FINANCE | £28.0m | FY2024 | |
| OXFORD DIOCESAN COUNCIL FOR SOCIAL WORK INCORPORATED | £5.4m | FY2025 | |
| THE OXFORD DIOCESAN COUNCIL FOR THE DEAF AND HARD OF HEARING | £106k | FY2025 | |
| OXFORD ECONOMIC PAPERS ASSOCIATION | £217k | FY2025 | |
| OXFORD ETHNOGRAPHY AND EDUCATION CONFERENCE | £31k | FY2025 | going concern |
| THE OXFORD EVANGELICAL PASTORATE | £124k | FY2025 | |
| OXFORD EVANGELICAL PRESBYTERIAN CHURCH | £4.5m | FY2024 | |
| THE OXFORD FARMING CONFERENCE | £476k | FY2023 | |
| OXFORD FILM AND VIDEO MAKERS LIMITED | £148k | FY2025 | trustee payments |
| Oxford Food Hub | £456k | FY2025 | |
| OXFORD GEMS NURSERY LIMITED | £121k | FY2025 | |
| THE OXFORD GOOD STEWARDS TRUST | £907k | FY2025 | reserves below policy |
| THE OXFORD GROUP | £383k | FY2025 | |
| OXFORD HARMONIC CHOIR | £47k | FY2025 | |
| Oxford Head Injury Services | £475k | FY2025 | |
| OXFORD HEALTH CHARITY | £236k | FY2025 | |
| OXFORD HINDU TEMPLE AND COMMUNITY CENTRE PROJECT | £89k | FY2025 | |
| OXFORD HOSPITALS CHARITY | £6.5m | FY2025 | |
| THE OXFORD HOUSE IN BETHNAL GREEN | £622k | FY2025 | reserves below policy |
| OXFORD HUB | £452k | FY2025 | |
| OXFORD INSTITUTE FOR ENERGY STUDIES | £3.3m | FY2025 | |
| OXFORD INTERNATIONAL BIOMEDICAL CENTRE LIMITED | £85k | FY2025 | |
| OXFORD ISLAMIC SOCIETY | £61k | FY2024 | |
| OXFORD JAPANESE SCHOOL | £50k | FY2025 | going concern |
| THE OXFORD KIDNEY UNIT TRUST FUND LIMITED | £121k | FY2025 | |
| OXFORD KILBURN YOUTH TRUST | £149k | FY2026 | reserves below policy |
| OXFORD KOREAN CHURCH | £65k | FY2025 | |
| OXFORD LANE ALMSHOUSES CHARITY | £36k | FY2025 | |
| OXFORD LIEDER | £710k | FY2025 | |
| OXFORD LITERARY AND DEBATING UNION CHARITABLE TRUST | £216k | FY2023 | |
| THE OXFORD LITERARY FESTIVAL | £849k | FY2025 | reserves below policy |
| OXFORD MAY MUSIC | £45k | FY2025 | |
| THE OXFORD MINDFULNESS FOUNDATION | £1.3m | FY2025 | |
| OXFORD MOSQUE SOCIETY | £45k | FY2025 | |
| OXFORD OPERA TRUST CIO | £104k | FY2025 | |
| OXFORD OPERATIC SOCIETY | £137k | FY2025 | going concern |
| THE OXFORD OPHTHALMOLOGICAL CONGRESS | £202k | FY2024 | |
| OXFORD ORATORY OF ST PHILIP NERI | £697k | FY2024 | |
| OXFORD PARENT-INFANT PROJECT | £632k | FY2025 | |