| THE Leading Story Limited | Professional & scientific | 2010 |
| THE Leys Solutions Limited | Administrative & support | 2022 |
| THE Limitless Space Limited | Health & social care | 2020 |
| THE Little Acupuncture Room CIC | Health & social care | 2023 |
| THE Littlegate Trust | Other services | 2016 |
| THE Lobster POT Limited | Real estate | 2008 |
| THE Location Collective Limited | Professional & scientific | 2007 |
| THE London Aerobatic Company Limited | Transport & logistics | 2001 |
| THE London Endocrine Centre Limited | Health & social care | 2010 |
| THE Look Wheatley Limited | Other services | 2023 |
| THE M.D. Music Company Limited | Other services | 1994 |
| THE Manchester College of Chiropractic Ltd | Extraterritorial | 2023 |
| THE Margaret Thatcher Scholarship Trust | Education | 2013 |
| THE Marketing Chair Limited | Information & communication | 2019 |
| THE Marlow Boat Company Ltd. | Transport & logistics | 1996 |
| THE Martin Smith Foundation | Arts & recreation | 2012 |
| THE Masons Arms (Headington Quarry) Limited | Hospitality | 1997 |
| THE Meadows (Cuddington) Management Company Limited | Households | 2019 |
| THE Meet Point Coffee Ltd | Hospitality | 2021 |
| THE Men's CUT Ltd | Other services | 2026 |
| THE Meta Foundation CIC | Information & communication | 2021 |
| THE Mila & Partners Ltd | Hospitality | 2025 |
| THE Mila Number 9 Ltd | Information & communication | 2025 |
| THE Mira Collective Ltd | Professional & scientific | 2025 |
| THE Mobile Bike Cafe Ltd. | Professional & scientific | 2019 |
| THE Modelling Co. Ltd | Professional & scientific | 2023 |
| THE Music Emporium Ltd | Information & communication | 2023 |
| THE Natural Buzz (UK) Limited | Wholesale & retail | 2017 |
| THE Nature Effect Community Interest Company | Education | 2011 |
| THE Nature of Business LAB Ltd | Information & communication | 2024 |
| THE New Garden Room Company Limited | Construction | 2018 |
| THE Next Revolution Limited | Education | 2014 |
| THE Noire Collective Limited | Manufacturing | 2019 |
| THE North Wall Trust | Education | 2012 |
| THE Old Bookbinders Ltd | Hospitality | 2011 |
| THE Old Dispensary PUB Company Ltd | Hospitality | 2018 |
| THE Old Fashioned Cocktail Co Ltd | Hospitality | 2021 |
| THE Old Foundry Limited | Households | 2000 |
| THE Old Marlborough House Ltd | Real estate | 2012 |
| THE Old New Inn Bourton Ltd | Hospitality | 2018 |
| THE Orchard (Harvington Lane) Management Company Limited | Households | 2021 |
| THE Oriental Smile Ltd | Health & social care | 2024 |
| THE Original Lusty's Lloyd Loom Company Limited | Manufacturing | 1992 |
| THE Originals Oxford Ltd | Wholesale & retail | 2024 |
| THE Oxbridge Study Abroad Center | | 1995 |
| THE Oxford Agency Ltd | Real estate | 2025 |
| THE Oxford Analytica Foundation Ltd | Professional & scientific | 2024 |
| THE Oxford Asset Management Company Limited | Financial services | 1993 |
| THE Oxford Boat Company Limited | Manufacturing | 2016 |
| THE Oxford Brewing Company Limited | Manufacturing | 2017 |
| THE Oxford Car Service Centre Limited | Wholesale & retail | 2003 |
| THE Oxford Cat Clinic Limited | Professional & scientific | 2023 |
| THE Oxford Centre for Buddhist Studies | Education | 2006 |
| THE Oxford Centre for Religion & Public Life | Other services | 2005 |
| THE Oxford Centre for Training, Research, Advocacy and Dialogue Ltd | Education | 2008 |
| THE Oxford Chariot Ltd | Wholesale & retail | 2020 |
| THE Oxford Cheese Company Limited | Wholesale & retail | 1994 |
| THE Oxford Coffee Group Ltd. | Other services | 2018 |
| THE Oxford College of Apprenticeships Limited | Education | 2019 |
| THE Oxford College of Chiropractic Ltd | Extraterritorial | 2023 |
| THE Oxford College of Marketing Limited | Extraterritorial | 2007 |
| THE Oxford College of Professional Education Limited | Education | 2018 |
| THE Oxford College of Technology Limited | Education | 2016 |
| THE Oxford Concert Party Limited | Arts & recreation | 1994 |
| THE Oxford Copywriter Limited | Arts & recreation | 2021 |
| THE Oxford Delhi Limited | Wholesale & retail | 2013 |
| THE Oxford Edge Ltd | Hospitality | 2010 |
| THE Oxford Editors Limited | Arts & recreation | 2007 |
| THE Oxford Evangelical Pastorate | Other services | 2010 |
| THE Oxford Flooring Specialists Ltd | Construction | 2025 |
| THE Oxford Food Company 2020 Ltd | Administrative & support | 2017 |
| THE Oxford Food Hub Ltd | Water & waste | 2008 |
| THE Oxford Foundation | Education | 2009 |
| THE Oxford Gallery Ltd | Extraterritorial | 2013 |
| THE Oxford Garden Consultants Limited | Administrative & support | 2010 |
| THE Oxford Health Alliance Vision 2020 | Health & social care | 2005 |
| THE Oxford Investment Management Company Limited | Financial services | 2006 |
| THE Oxford Kidney Unit Trust Fund Limited | Health & social care | 1976 |
| THE Oxford Kitchen and Garden Company Limited | Extraterritorial | 2024 |
| THE Oxford Literary Festival | Arts & recreation | 2001 |
| THE Oxford Massage Centre Ltd | Other services | 2018 |
| THE Oxford Mindfulness Foundation | Professional & scientific | 2007 |
| THE Oxford Nail Bar Limited | Other services | 2017 |
| THE Oxford Parent Company Limited | Administrative & support | 2004 |
| THE Oxford Playhouse Trust | Arts & recreation | 1989 |
| THE Oxford Policy Fellowship | Administrative & support | 2015 |
| THE Oxford Publicity Partnership Limited | Professional & scientific | 2002 |
| THE Oxford School for the Future Ltd | Education | 2021 |
| THE Oxford School of Drama Limited | Education | 1985 |
| THE Oxford School of Drama Trust | Education | 1998 |
| THE Oxford School of French Limited | Education | 2014 |
| THE Oxford Science Park (Properties) NO.2 Limited | Construction | 2022 |
| THE Oxford Science Park (Properties) NO.3 Limited | Construction | 2022 |
| THE Oxford Science Park (Properties) NO.4 Limited | Construction | 2022 |
| THE Oxford Science Park (Properties) NO.5 Limited | Construction | 2022 |
| THE Oxford Science Park (Properties) NO.6 Limited | Construction | 2022 |
| THE Oxford Science Park (Properties) NO.7 Limited | Construction | 2022 |
| THE Oxford Science Park Limited | Construction | 1988 |
| THE Oxford Tax LAB Limited | Professional & scientific | 2016 |
| THE Oxford Voice CIC | Information & communication | 2024 |