| SLINDON COLLEGE LIMITED | £4.1m | FY2025 | |
| SLINFOLD PARISH COTTAGES | £79k | FY2025 | trustee payments |
| SLIP END PLAYGROUP | £153k | FY2025 | |
| SLOANE ROBINSON FOUNDATION | £819k | FY2024 | |
| SLOSWICKE'S ALMSHOUSE CHARITY | £243k | FY2025 | |
| SLOT MACHINE THEATRE CIO | £26k | FY2025 | |
| THE SLOTH CONSERVATION FOUNDATION | £444k | FY2024 | |
| SLOUGH BAPTIST CHURCH | £288k | FY2024 | |
| SLOUGH COMMUNITY TRANSPORT & SHOPMOBILITY | £561k | FY2025 | |
| SLOUGH COUNCIL FOR VOLUNTARY SERVICE | £821k | FY2025 | |
| SLOUGH FORT PRESERVATION TRUST | £208k | FY2025 | |
| SLOUGH INTEGRATION SERVICES | £62k | FY2025 | |
| SLOUGH ISLAMIC SCHOOL PROJECT | £44k | FY2024 | |
| THE SLOUGH ISLAMIC TRUST | £451k | FY2024 | |
| SLOUGH MUSEUM | £29k | FY2025 | |
| SLOUGH MUSLIM TRUST | £141k | FY2024 | |
| THE SLOUGH PHILHARMONIC SOCIETY | £70k | FY2025 | |
| THE SLOUGH PUBLIC HALL TRUST | £47k | FY2025 | |
| SLOUGH REFUGEE SUPPORT | £210k | FY2025 | |
| SLOUGH SCOUT DISTRICT | £80k | FY2025 | |
| SLOUGH SOCIETY FOR MENTALLY HANDICAPPED CHLDREN AND ADULTS | £155k | FY2025 | |
| SLOUGH UMMAH TRUST | £331k | FY2025 | |
| SLOUGH WEEKEND ISLAMIC SCHOOL | £65k | FY2024 | |
| SLOUGH WEST INDIAN PEOPLES ENTERPRISE (S.W.I.P.E.) LTD | £29k | FY2024 | |
| Slovenian Catholic Chaplaincy | £62k | FY2025 | |
| SLOW - SUPPORTING BEREAVED PARENTS AND SIBLINGS | £163k | FY2025 | |
| SLT BUILDING PRESERVATION TRUST LIMITED | £122k | FY2025 | going concern |
| SMA Interfaith | £126k | FY2024 | |
| SMALL ACTS OF KINDNESS TRUST | £234k | FY2025 | |
| SMALL DEEDS | £69k | FY2025 | |
| SMALL GREEN SHOOTS | £776k | FY2025 | |
| SMALL INTERNATIONAL DEVELOPMENT CHARITIES NETWORK | £26k | FY2025 | trustee payments |
| SMALL PERFORMANCE ADVENTURES | £52k | FY2025 | |
| SMALL STEPS PROJECT LIMITED | £66k | FY2025 | |
| SMALL WOODS ASSOCIATION | £1.7m | FY2025 | |
| SMALL WORLD CULTURAL ARTS COLLECTIVE | £54k | FY2025 | |
| THE SMALLEST THINGS | £26k | FY2025 | |
| SMALLEY PRE SCHOOL PLAYGROUP | £148k | FY2025 | |
| SMALLEY ROAD RUNNERS | £26k | FY2025 | |
| SMALLPEICE TRUST LIMITED | £2.9m | FY2025 | |
| SMALLSHAW HURST COMMUNITY ACTION GROUP | £42k | FY2025 | |
| SMALLWOOD TRUST | £3.7m | FY2024 | reserves below policy |
| SMARDEN SPORTS AND LEISURE ASSOCIATION | £27k | FY2024 | |
| SMARDEN VILLAGE HALL | £48k | FY2024 | |
| SMART CITIZENS CHARITABLE FOUNDATION | £158k | FY2025 | |
| SMART CRIMINAL JUSTICE SERVICES | £1.3m | FY2025 | |
| SMART KIDS CHILDCARE | £193k | FY2025 | |
| SMART START WISTOW COMMUNITY PRE-SCHOOL | £95k | FY2025 | trustee payments |
| SMART WORKS BIRMINGHAM | £188k | FY2025 | |
| SMART WORKS CHARITY | £4.7m | FY2025 | |
| SMART WORKS YORKSHIRE | £507k | FY2025 | |
| SMARTIES PRE-SCHOOL AND OUT OF SCHOOL CLUB | £137k | FY2025 | reserves below policy going concern |
| SMD FOUNDATION | £223k | FY2023 | |
| SMERDON PARENT AND STAFF ASSOCIATION | £45k | FY2025 | |
| SMETHURST MINISTRIES TRUST | £62k | FY2026 | |
| SMETHWICK ASRA LIMITED | £1.4m | FY2025 | |
| SMETHWICK HERITAGE CENTRE TRUST | £96k | FY2024 | |
| SMETHWICK PHOTOGRAPHIC SOCIETY | £33k | FY2024 | |
| SMILE AID | £230k | FY2025 | |
| SMILE FOR JOEL | £48k | FY2024 | |
| SMILE FOR LIFE CHILDRENS CHARITY | £657k | FY2025 | |
| SMILE INTERNATIONAL | £143k | FY2024 | |
| SMILE MALAWI | £107k | FY2025 | |
| SMILE THROUGH SPORT | £233k | FY2025 | going concern |
| THE SMILE TRAIN UK | £13.6m | FY2025 | |
| SMILE WITH GAMBIA | £142k | FY2025 | |
| SMILESTAR | £286k | FY2025 | |
| SMILEY SMILEY JOSH RILEY FOUNDATION | £51k | FY2025 | |
| SMILEYARK KIDS | £245k | FY2025 | |
| SMILEZ | £45k | FY2024 | |
| Smiling heart foundation UK | £39k | FY2025 | |
| SMITH BRADBEER CHARITABLE TRUST | £175k | FY2025 | going concern |
| SMITH CHARITABLE TRUST | £230k | FY2025 | |
| THE SMITH FOUNDATION | £13.4m | FY2025 | |
| THE SMITH MEMORIAL HALL | £46k | FY2025 | |
| THE SMITH-MAGENIS SYNDROME (SMS) FOUNDATION UK CIO | £82k | FY2024 | |
| SMITHAM SCHOOL ASSOCIATION | £27k | FY2025 | |
| SMITHCORP CHARITABLE TRUST | £68k | FY2024 | |
| THE SMORTHWAITE CHARITY FOR THE BENEFIT OF THE INHABITANTS OF WEST WITTON WENSLEYDALE YORKSHIRE | £28k | FY2025 | |
| SMS FOUNDATION | £229k | FY2025 | |
| SNAILBEACH VILLAGE HALL | £39k | FY2025 | |
| SNAP (SPECIAL NEEDS ADVENTURE PLAYGROUND) LTD | £66k | FY2024 | |
| SNAP CYMRU | £797k | FY2025 | |
| SNAPE INSTITUTE MANAGEMENT COMMITTEE | £59k | FY2025 | |
| THE SNAPPY TRUST | £184k | FY2025 | |
| SNAPS Yorkshire CIO | £486k | FY2025 | |
| SNARESBROOK PRIMARY PARENT TEACHERS ASSOCIATION | £26k | FY2025 | |
| SNEHALAYA UK | £57k | FY2025 | trustee payments |
| SNITTERFIELD NURSERY SCHOOL | £131k | FY2025 | |
| Snitterfield Sports Club Ltd | £109k | FY2025 | qualified opinion |
| THE SNITTERFIELD VILLAGE HALL | £62k | FY2025 | |
| SNJ CHARITABLE TRUST | £116k | FY2025 | |
| SNODHILL CASTLE PRESERVATION TRUST | £110k | FY2025 | |
| SNOW BUDDIES UK | £77k | FY2025 | |
| Snow Camp | £1.4m | FY2025 | |
| THE SNOW SPORTS FOUNDATION | £223k | FY2024 | |
| SNOWDON TRUST | £525k | FY2025 | |
| SNOWDONIA SLATE TRAIL | £35k | FY2025 | trustee payments |
| The Snowdrop Foundation | £155k | FY2025 | |
| THE SNOWDROP PROJECT | £811k | FY2025 | |
| SNOWFLAKE SCHOOL FOR CHILDREN WITH AUTISM LIMITED | £2.8m | FY2025 | trustee payments |
| SNOWY'S NURSERY AND PRE-SCHOOL | £195k | FY2025 | |
| SNYDALE RDA | £42k | FY2024 | |
| SOAR COMMUNITY | £3.4m | FY2025 | |
| THE SOAR PROJECT | £68k | FY2025 | going concern |
| SOAS STUDENTS' UNION | £1.3m | FY2025 | trustee payments |
| THE SOBELL FOUNDATION | £1.2m | FY2023 | |
| SOBELL HOUSE HOSPICE CHARITY LIMITED | £5.0m | FY2025 | |
| SOBIS - YOUNG PEOPLE'S CLUB | £67k | FY2025 | |
| SOCIABILITY | £92k | FY2025 | reserves below policy |
| SOCIAL ACTION FOR HEALTH | £361k | FY2025 | reserves below policy |
| SOCIAL AND ECONOMIC ACTION RESOURCE OF CHURCHES IN HULL AND DISTRICT | £28k | FY2025 | |
| SOCIAL ARK | £284k | FY2025 | |
| SOCIAL BUSINESS TRUST | £7.1m | FY2024 | |
| SOCIAL CARE IN ACTION | £5.4m | FY2024 | |
| SOCIAL CARE INSTITUTE FOR EXCELLENCE | £6.2m | FY2025 | trustee payments |
| SOCIAL FARMS AND GARDENS | £1.1m | FY2025 | |
| SOCIAL INTEREST GROUP | £31.0m | FY2025 | trustee payments |
| SOCIAL INVESTMENT BUSINESS FOUNDATION | £188.5m | FY2025 | |
| SOCIAL LIFE OPPORTUNITIES (SOLO) | £2.3m | FY2025 | |
| SOCIAL LINK | £536k | FY2025 | |
| THE SOCIAL MARKET FOUNDATION | £1.1m | FY2025 | |
| SOCIAL MOBILITY BUSINESS PARTNERSHIP | £355k | FY2024 | |
| THE SOCIAL MOBILITY FOUNDATION | £3.3m | FY2025 | |
| SOCIAL MOMENTS ENTERPRISE | £136k | FY2025 | reserves below policy going concern |
| THE SOCIAL RESEARCH ASSOCIATION | £690k | FY2025 | |
| SOCIAL SQUARE (UK) | £57k | FY2025 | |
| SOCIAL TECH TRUST | £244k | FY2025 | |
| SOCIAL WORKERS BENEVOLENT TRUST | £96k | FY2025 | |
| SOCIAL WORKERS WITHOUT BORDERS | £139k | FY2025 | |
| SOCIETE GENERALE UK FOUNDATION | £1.1m | FY2024 | |
| SOCIETI FOUNDATION | £143k | FY2024 | |
| SOCIETY FOR ABANDONED ANIMALS | £153k | FY2025 | |
| SOCIETY FOR APPLIED PHILOSOPHY | £131k | FY2024 | going concern |
| THE SOCIETY FOR ARMY HISTORICAL RESEARCH | £62k | FY2025 | |
| The Society for Cardiac Science and Technology LTD | £193k | FY2024 | |
| THE SOCIETY FOR CARDIOTHORACIC SURGERY IN GREAT BRITAIN AND IRELAND | £1.1m | FY2025 | |
| SOCIETY FOR CO-OPERATION IN RUSSIAN AND SOVIET STUDIES | £35k | FY2024 | going concern |
| SOCIETY FOR COMPUTERS AND LAW | £414k | FY2025 | reserves below policy |
| THE SOCIETY FOR DISTRIBUTING HEBREW SCRIPTURES | £634k | FY2025 | |
| SOCIETY FOR ECONOMIC ANALYSIS LIMITED | £52k | FY2024 | |
| SOCIETY FOR EDUCATION LIMITED | £420k | FY2025 | |
| SOCIETY FOR EDUCATION, MUSIC AND PSYCHOLOGY RESEARCH | £157k | FY2024 | |
| THE SOCIETY FOR EDUCATIONAL STUDIES | £193k | FY2025 | |
| SOCIETY FOR ENDOCRINOLOGY | £5.6m | FY2024 | |
| THE SOCIETY FOR EXISTENTIAL ANALYSIS | £55k | FY2024 | |
| THE SOCIETY FOR EXPERIMENTAL BIOLOGY | £2.9m | FY2024 | reserves below policy |
| THE SOCIETY FOR FREE RADICAL RESEARCH | £186k | FY2024 | |
| SOCIETY FOR FRENCH STUDIES | £143k | FY2024 | |
| SOCIETY FOR HORTICULTURAL THERAPY | £2.1m | FY2025 | |
| SOCIETY FOR ITALIAN STUDIES | £42k | FY2024 | |
| THE SOCIETY FOR LATIN AMERICAN STUDIES | £92k | FY2024 | |
| SOCIETY FOR MEDICINES RESEARCH | £79k | FY2025 | |
| THE SOCIETY FOR MUCOPOLYSACCHARIDE DISEASES | £2.2m | FY2025 | |
| THE SOCIETY FOR MUSIC ANALYSIS | £53k | FY2025 | |
| SOCIETY FOR NAUTICAL RESEARCH | £250k | FY2024 | |
| The Society for Neurodiversity | £80k | FY2025 | |
| Society for Post-Medieval Archaeology (The) | £26k | FY2025 | |
| THE SOCIETY FOR PROMOTING CHRISTIAN KNOWLEDGE | £8.1m | FY2025 | |
| THE SOCIETY FOR RADIOLOGICAL PROTECTION | £564k | FY2024 | |
| THE SOCIETY FOR RELIEF OF WIDOWS AND ORPHANS OF MEDICAL MEN | £256k | FY2025 | |
| SOCIETY FOR RENAISSANCE STUDIES | £77k | FY2024 | |
| SOCIETY FOR REPRODUCTION AND FERTILITY | £547k | FY2024 | |
| THE SOCIETY FOR REPRODUCTIVE AND INFANT PSYCHOLOGY | £75k | FY2025 | |
| SOCIETY FOR RESEARCH INTO HIGHER EDUCATION | £820k | FY2025 | |
| SOCIETY FOR RESEARCH INTO HYDROCEPHALUS AND SPINA BIFIDA | £12k | FY2024 | |
| SOCIETY FOR RESEARCH ON NICOTINE AND TOBACCO - EUROPE | £38k | FY2024 | |
| THE SOCIETY FOR SERENGETI ECOSYSTEM CONSERVATION | £36k | FY2024 | reserves below policy |
| THE SOCIETY FOR THE ADVANCEMENT OF ANAESTHESIA IN DENTISTRY | £594k | FY2024 | |
| SOCIETY FOR THE ADVANCEMENT OF BLACK ARTS (SABA) | £89k | FY2025 | |
| THE SOCIETY FOR THE ADVANCEMENT OF MANAGEMENT STUDIES LIMITED | £612k | FY2024 | |
| SOCIETY FOR THE HISTORY OF ALCHEMY AND CHEMISTRY | £33k | FY2025 | |
| SOCIETY FOR THE MAINTENANCE OF THE FAITH | £30k | FY2025 | trustee payments |
| THE SOCIETY FOR THE MANAGEMENT AND DISTRIBUTION OF THE ARTISTS FUND - BENEVOLENT FUND | £107k | FY2025 | |
| SOCIETY FOR THE PROMOTION OF HELLENIC STUDIES | £230k | FY2024 | |
| SOCIETY FOR THE PROMOTION OF ROMAN STUDIES | £424k | FY2024 | |
| THE SOCIETY FOR THE PROTECTION OF ANCIENT BUILDINGS | £2.6m | FY2024 | |
| SOCIETY FOR THE RELIEF OF DISTRESS | £63k | FY2024 | |
| THE SOCIETY FOR THE RELIEF OF POOR CLERGYMEN | £28k | FY2025 | |
| SOCIETY FOR THE SOCIAL HISTORY OF MEDICINE | £33k | FY2024 | |
| THE SOCIETY FOR THE STUDY OF ADDICTION | £1.4m | FY2025 | reserves below policy |
| THE SOCIETY FOR THE STUDY OF INBORN ERRORS OF METABOLISM | £2.5m | FY2024 | |
| SOCIETY FOR THE STUDY OF MEDIEVAL LANGUAGES AND LITERATURE | £32k | FY2024 | going concern |
| SOCIETY FOR THE STUDY OF THEOLOGY | £93k | FY2025 | |
| THE SOCIETY FOR UNDERWATER TECHNOLOGY LIMITED | £356k | FY2025 | |
| SOCIETY FOR VASCULAR TECHNOLOGY OF GREAT BRITAIN AND IRELAND | £81k | FY2025 | |
| SOCIETY INC | £67k | FY2025 | reserves below policy not a going concern |
| THE SOCIETY OF ALL SAINTS SISTERS OF THE POOR (COMMONLY CALLED SOCIETY OF ALL SAINTS) | £497k | FY2025 | |
| THE SOCIETY OF ANALYTICAL PSYCHOLOGY | £505k | FY2025 | |
| SOCIETY OF ANTIQUARIES OF LONDON | £2.6m | FY2025 | reserves below policy |
| THE SOCIETY OF ANTIQUARIES OF NEWCASTLE UPON TYNE | £68k | FY2024 | |
| THE SOCIETY OF ARCHITECTURAL HISTORIANS OF GREAT BRITAIN | £129k | FY2024 | |
| THE SOCIETY OF BOTANICAL ARTISTS LIMITED | £218k | FY2025 | |
| THE SOCIETY OF BRITISH NEUROLOGICAL SURGEONS | £836k | FY2024 | |
| SOCIETY OF BROWNFIELD RISK ASSESSMENT | £30k | FY2025 | going concern |
| SOCIETY OF CATHOLIC MEDICAL MISSIONARIES CIO | £2.6m | FY2024 | |
| SOCIETY OF CHEMICAL INDUSTRY | £4.4m | FY2024 | trustee payments |
| SOCIETY OF CHRIST (GREAT BRITAIN) | £1.1m | FY2024 | |
| THE SOCIETY OF CLINICAL PERFUSION SCIENTISTS OF GREAT BRITAIN AND IRELAND | £283k | FY2025 | reserves below policy |
| THE SOCIETY OF COLLEGE, NATIONAL AND UNIVERSITY LIBRARIES | £732k | FY2024 | |
| THE SOCIETY OF DAIRY TECHNOLOGY | £121k | FY2025 | |
| THE SOCIETY OF DESIGNER-CRAFTSMEN | £73k | FY2024 | |
| THE SOCIETY OF DYERS AND COLOURISTS | £7.4m | FY2024 | |
| SOCIETY OF EQUESTRIAN ARTISTS | £40k | FY2024 | |
| SOCIETY OF EVIDENCE BASED POLICING | £238k | FY2025 | |
| SOCIETY OF FRIENDS OF SELSEY MEDICAL CENTRE | £30k | FY2025 | |
| THE SOCIETY OF FRIENDS OF THE FLEET AIR ARM MUSEUM | £32k | FY2025 | |
| SOCIETY OF FRIENDS OF THE ROYAL NAVY SUBMARINE MUSEUM | £61k | FY2025 | |
| SOCIETY OF FRIENDS OF WESTMINSTER CATHEDRAL | £202k | FY2024 | |
| SOCIETY OF GENEALOGISTS | £811k | FY2024 | reserves below policy |
| SOCIETY OF GLASS TECHNOLOGY | £348k | FY2024 | |
| THE SOCIETY OF HEALTH PLAY SPECIALISTS | £106k | FY2025 | |
| SOCIETY OF JESUS TRUST OF 1929 FOR ROMAN CATHOLIC PURPOSES | £48.9m | FY2025 | not a going concern |
| THE SOCIETY OF JEWELLERY HISTORIANS | £45k | FY2025 | |
| THE SOCIETY OF LEGAL SCHOLARS IN THE UNITED KINGDOM AND IRELAND | £304k | FY2025 | |
| THE SOCIETY OF LOCAL AUTHORITY CHIEF EXECUTIVES AND SENIOR MANAGERS (SOLACE GROUP) LTD | £10.8m | FY2025 | trustee payments |
| THE SOCIETY OF MARY (MARIST FATHERS) CIO | £789k | FY2023 | |
| THE SOCIETY OF MARY AND MARTHA | £649k | FY2025 | |
| SOCIETY OF MARY REPARATRIX | £149k | FY2025 | |
| The Society of Merchant Venturers Youth Endowment Fund | £131k | FY2025 | |
| THE SOCIETY OF MISSIONARIES OF AFRICA (ALSO KNOWN AS THE WHITE FATHERS) | £1.4m | FY2024 | |
| THE SOCIETY OF MOTOR MANUFACTURERS AND TRADERS CHARITABLE TRUST FUND | £36k | FY2024 | |
| THE SOCIETY OF MUSCULOSKELETAL MEDICINE | £282k | FY2024 | |
| THE SOCIETY OF OCCUPATIONAL MEDICINE | £1.4m | FY2025 | |
| THE SOCIETY OF OPERATIONS ENGINEERS | £2.2m | FY2024 | reserves below policy |
| SOCIETY OF PETROLEUM ENGINEERS EUROPE LIMITED | £4.1m | FY2025 | |
| THE SOCIETY OF PORTRAIT SCULPTORS | £71k | FY2025 | |
| THE SOCIETY OF PRACTISING VETERINARY SURGEONS CHARITABLE EDUCATIONAL TRUST | £115k | FY2025 | |
| THE SOCIETY OF RADIOLOGISTS IN TRAINING | £57k | FY2025 | |
| THE SOCIETY OF RECORDER PLAYERS | £148k | FY2025 | |
| SOCIETY OF RESEARCH SOFTWARE ENGINEERING | £226k | FY2025 | |
| THE SOCIETY OF RETREAT CONDUCTORS | £184k | FY2025 | |
| SOCIETY OF SAINT FRANCIS CENTRAL FUND | £155k | FY2025 | |
| THE SOCIETY OF ST COLUMBAN FOR FOREIGN MISSIONS | £4.4m | FY2025 | |
| THE SOCIETY OF ST JAMES | £17.9m | FY2025 | reserves below policy |
| THE SOCIETY OF ST PAUL THE APOSTLE | £1.7m | FY2024 | |
| THE SOCIETY OF ST PIUS X | £1.9m | FY2022 | |
| THE SOCIETY OF ST STEPHEN'S HOUSE | £1.6m | FY2025 | |
| THE SOCIETY OF ST. COLUMBA | £34k | FY2025 | |
| THE SOCIETY OF THE CATHOLIC APOSTOLATE CHARITABLE TRUST | £265k | FY2024 | |
| THE SOCIETY OF THE DIVINE WORD | £340k | FY2024 | |
| THE SOCIETY OF THE FAITH (INCORPORATED) | £198k | FY2025 | |
| SOCIETY OF THE HOLY CHILD JESUS CIO | £4.4m | FY2023 | |
| THE SOCIETY OF THE INNER LIGHT LIMITED | £88k | FY2025 | |
| THE SOCIETY OF THE PRECIOUS BLOOD | £7.7m | FY2024 | |
| SOCIETY OF THE SACRED CROSS | £336k | FY2025 | |
| SOCIETY OF THE SACRED HEART CIO | £2.4m | FY2024 | |
| Society of the Sisters of Bethany | £175k | FY2025 | |
| THE SOCIETY OF THE WOMEN OF NAZARETH (KNOWN AS THE LADIES OF THE GRAIL) | £196k | FY2024 | |
| THE SOCIETY OF THE WORK | £72k | FY2025 | |