| THE Oxford Window Co Ltd | Construction | 2020 |
| THE Oxford Windscreen Repair Company Limited | Wholesale & retail | 2024 |
| THE Oxfordshire Live in Care Company Limited | Health & social care | 2017 |
| THE Paddocks Cublington Management Company Limited | Households | 2024 |
| THE Paper Boat Cafe Ltd | Hospitality | 2021 |
| THE Partnering Initiative | Health & social care | 2013 |
| THE Past and Present Society | Information & communication | 1989 |
| THE Pelvic Physio's Oxford Limited | Health & social care | 2017 |
| THE People's Circle Community CIC | Arts & recreation | 2026 |
| THE Perfume Directory Ltd | Wholesale & retail | 2021 |
| THE Pet BUS Limited | Transport & logistics | 2023 |
| THE Philanthropy Company Limited | Professional & scientific | 2001 |
| THE Philosophical Dog Software Company Limited | Information & communication | 2023 |
| THE Phoenix Lounge Bar and Cafe CIC | Hospitality | 2020 |
| THE Physics Launchpad Ltd | Education | 2025 |
| THE Physio Practice Limited | Health & social care | 2007 |
| THE Pilot Light Oxford CIC | Arts & recreation | 2024 |
| THE Pioneers, Management Innovation Consultants Limited | Professional & scientific | 2013 |
| THE Plastic Goldfish Company Limited | Professional & scientific | 2020 |
| THE Players LAB Limited | Education | 2025 |
| THE Porch | Education | 2001 |
| THE Pottery Place Limited | Wholesale & retail | 2003 |
| THE Prestige Car Centre (Marlborough) Limited | Extraterritorial | 2014 |
| THE Prestige Car Centre Limited | Wholesale & retail | 2013 |
| THE Private Obgyn Ltd | Health & social care | 2016 |
| THE Profitable Hotel Company Limited | Extraterritorial | 2002 |
| THE Proforest Initiative | Agriculture & fishing | 2010 |
| THE Project PT Limited | Arts & recreation | 2019 |
| THE Property Experts Group Ltd | Real estate | 2026 |
| THE Property PEN Limited | Professional & scientific | 2025 |
| THE Queen's College Oxford Developments Limited | Construction | 2015 |
| THE Queen's College Oxford Trading Limited | Hospitality | 2010 |
| THE Rapscallion PUB Company Ltd | Hospitality | 2020 |
| THE Realisis Group Limited | Professional & scientific | 2002 |
| THE Resources Group Limited | Transport & logistics | 2005 |
| THE Revenue Engineers Limited | Professional & scientific | 2020 |
| THE Rickyard (Marsh Baldon) Management Company Limited | Households | 2022 |
| THE Ridings Guest House Limited | Hospitality | 2025 |
| THE Riverside Collection Management Company Limited | Households | 2005 |
| THE Room (Oxford) Community Interest Company | Other services | 2024 |
| THE Royal Yugoslav Army Ex-Combatants' Association, Limited | Other services | 1962 |
| THE Rugby Fives Association | Arts & recreation | 2003 |
| THE Said Business School Foundation Trustee Limited | Education | 2016 |
| THE Sandwiches Shop Limited | Hospitality | 2026 |
| THE School of Counselling Ltd | Education | 2023 |
| THE School of Sound C.I.C. | Education | 1997 |
| THE Second Chair Ltd | Health & social care | 2026 |
| THE Sellarsbrooke Family LLP | | 2017 |
| THE Shades of the Life, Oxford Digital Design and Visual Art Ltd | Information & communication | 2021 |
| THE Shotover Brewing Company Ltd | Manufacturing | 2009 |
| THE Sleeve Investment Ltd | Other services | 2012 |
| THE Smaller Boat Ltd | Professional & scientific | 2019 |
| THE Sobell House Hospice Co. Limited | Wholesale & retail | 1989 |
| THE Social Impact Network Ltd | Financial services | 2025 |
| THE Society of ST Stephen's House | Education | 2018 |
| THE South American Mission Society | Other services | 1900 |
| THE Sperne Company UK Ltd | Health & social care | 2025 |
| THE Spires Cafe Ltd | Hospitality | 2021 |
| THE Spotless Group Exterior Cleaning Ltd | Administrative & support | 2024 |
| THE Stckrm Ltd | Wholesale & retail | 2025 |
| THE Story Museum | Arts & recreation | 2003 |
| THE Story Museum Trading Limited | Arts & recreation | 2004 |
| THE Street (Wallingford) Residents Association Limited | Households | 2011 |
| THE Su.Com Trading Limited | Arts & recreation | 1997 |
| THE Sugar HUT Ltd | Hospitality | 2023 |
| THE Sunny Bean Ltd | Hospitality | 2025 |
| THE Talkhouse OX33 Ltd | Hospitality | 2025 |
| THE Tech Bros Ltd | Education | 2025 |
| THE Thoughtful Frog Limited | Education | 2015 |
| THE Tidetable Ltd | Professional & scientific | 2025 |
| THE Tile Shop Alehouse Limited | Hospitality | 2020 |
| THE Titus Trust | Health & social care | 1997 |
| THE Tolkien Estate Limited | Information & communication | 2011 |
| THE Tolkien Trust | Information & communication | 2013 |
| THE Tractor Shack Ltd | Hospitality | 2017 |
| THE Traditional Rewax Service & Company Ltd | Wholesale & retail | 2026 |
| THE Vein Specialist Limited | Health & social care | 2025 |
| THE Viewpoint Organisation (Europe) Limited | Information & communication | 2010 |
| THE Vishuddha Centre | Health & social care | 2022 |
| THE Walled Garden (Kennington) Management Company Limited | Households | 2004 |
| THE Wellbeing Coop Ltd | Health & social care | 2022 |
| THE Wellbeing House Ltd | Health & social care | 2015 |
| THE West Corporation Ltd. | Professional & scientific | 2002 |
| THE Westwood Court (Oxford) Management Company Limited | Households | 2022 |
| THE Wharf House (Oxford) Management Company Ltd | Households | 2019 |
| THE Wheatley Management Company Limited | Households | 1992 |
| THE Wheelhouse Group Limited | Professional & scientific | 2017 |
| THE White Horse Inn Oxford Ltd | Hospitality | 2022 |
| THE White Key Consultancy Limited | Professional & scientific | 2015 |
| THE White Rabbit Pizza Co. Limited | Manufacturing | 2015 |
| THE Wild PIG Group Ltd | Agriculture & fishing | 2023 |
| THE Winery at Hundred Hills Ltd | Manufacturing | 2012 |
| THE Wise Mind Organisation Ltd | Professional & scientific | 2021 |
| THE Word Gym Ltd | Other services | 1999 |
| THE Workplace Hydration Co Limited | Manufacturing | 2024 |
| THE Write Effect Limited | Administrative & support | 2006 |
| THE Yves Guihannec Foundation | Arts & recreation | 1992 |
| The-Map Ltd | Information & communication | 2025 |
| Theal Auto Spare Parts Ltd | Wholesale & retail | 2021 |
| Thebigreen Ltd | Construction | 2020 |