| THE Ides Associates Ltd | Professional & scientific | 2023 |
| THE Inspired Leaders Group Ltd | Professional & scientific | 2015 |
| THE Jewellery Works Studio Ltd | Manufacturing | 2019 |
| THE Lawns (Calcot) Residents Management Company Limited | Households | 2011 |
| THE Leasehold EV Consultancy Limited | Information & communication | 2024 |
| THE Lockdown Lodge Ltd | Hospitality | 2021 |
| THE Maasai Consultancy Limited | Professional & scientific | 2005 |
| THE Malthouse and Brakspear Mews Freehold Company Limited | Households | 2009 |
| THE Modern Classic Motor Company Limited | Wholesale & retail | 2022 |
| THE Modern Day Wizard Limited | Information & communication | 2012 |
| THE Monastery RTM Company Limited | Extraterritorial | 2024 |
| THE Mwezi Foundation | Administrative & support | 2013 |
| THE National Symphony Orchestra Limited | Arts & recreation | 2013 |
| THE Open Spaces Society | Other services | 2011 |
| THE Pareidolia Tree Ltd | Information & communication | 2026 |
| THE Pedestal Limited | Wholesale & retail | 2016 |
| THE Personal Agent Lettings and Management Ltd | Real estate | 2013 |
| THE Plush Drinks Company Limited | Wholesale & retail | 1999 |
| THE Positive Psychology Forum Limited | Professional & scientific | 2010 |
| THE Positive Psychology Property Company Limited | Hospitality | 2013 |
| THE Real Organic Foods Company Limited | Manufacturing | 2000 |
| THE Red Lion Hotel (Henley) Limited | Hospitality | 2007 |
| THE Relais Cooden Beach Holding Limited | Financial services | 2021 |
| THE Relais Henley Holding Limited | Financial services | 2020 |
| THE Resource Capital Group Ltd | Professional & scientific | 2020 |
| THE Ridings (Tilehurst) Management Company Limited | Households | 2018 |
| THE Ripple Impact Ltd | Professional & scientific | 2025 |
| THE RUG Shed Limited | Wholesale & retail | 2018 |
| THE School for Business Alchemy Limited | Education | 2015 |
| THE School for Wizards Limited | Education | 2009 |
| THE Siplak Tavern Company Limited | Hospitality | 2022 |
| THE Square Henley Ltd | Hospitality | 2013 |
| THE Stag and Huntsman Inn Limited | Hospitality | 1993 |
| THE Stunt Corporation Limited | Extraterritorial | 2022 |
| THE Stunt Life Limited | Arts & recreation | 2010 |
| THE Sussex OX Trading Company Ltd. | Hospitality | 2014 |
| THE Swann Family Company Ltd | Professional & scientific | 2026 |
| THE T Store Limited | Wholesale & retail | 2019 |
| THE Vintaage Shop Limited | Wholesale & retail | 2020 |
| THE Ways and Means Trust Limited | Health & social care | 1968 |
| THE Wheatsheaf (Henley on Thames) Limited | Households | 2004 |
| THE Williams Gray Investment Company Ltd | Financial services | 2025 |
| THE Wine Farm Ltd | Manufacturing | 2024 |
| THE YEW Tree Frieth Limited | Hospitality | 2014 |
| Thebimline Ltd | Information & communication | 2026 |
| Thebookseekers Ltd | Administrative & support | 2020 |
| Thecurategroup Limited | Wholesale & retail | 2022 |
| Thedalesford Limited | Hospitality | 2025 |
| Theian Designs Limited | Extraterritorial | 2020 |
| Thema Leisure Limited | Transport & logistics | 2024 |
| Thermostat Refrigeration and Air Conditioning Ltd | Manufacturing | 2016 |
| Third Digit Productions Limited | Information & communication | 2025 |
| Thirlestane Limited | Professional & scientific | 2024 |
| Thompson Clinical Research Consulting Ltd | Professional & scientific | 2026 |
| Three Doors Experience Limited | Arts & recreation | 2025 |
| Thunder Road Comms Limited | Information & communication | 2011 |
| Tidal Entertainment Agency Ltd | Arts & recreation | 2024 |
| Tigers 'N' Tiaras Limited | Wholesale & retail | 2021 |
| Tillingbourne Consulting Limited | Professional & scientific | 2010 |
| Time for Tea Vintage Ltd | Hospitality | 2016 |
| Timeless Living Ltd | Real estate | 2023 |
| Tinti Calling Limited | Administrative & support | 2024 |
| Tiptoe Limited | Arts & recreation | 2010 |
| Titian Limited | Professional & scientific | 2003 |
| TM Construction and Restoration Limited | Construction | 2018 |
| Tobias Webb Consulting Services Limited | Information & communication | 2021 |
| Tobsc Engineering Ltd | Wholesale & retail | 2010 |
| Tola Performance Ltd | Arts & recreation | 2021 |
| TOM Ross Creative Ltd | Financial services | 2025 |
| Toniqz Limited | Administrative & support | 2004 |
| Tony Hayden Carpentry Limited | Construction | 2004 |
| Top Career Solutions Ltd | Administrative & support | 2022 |
| Total Business Technology Solutions Limited | Information & communication | 2007 |
| Total Heating Henley Ltd | Construction | 2014 |
| Total Negotiation Limited | Professional & scientific | 2009 |
| Total Negotiation Trustees Limited | Administrative & support | 2022 |
| Totally Floorless Ltd | Other services | 2022 |
| Traackr UK Limited | Information & communication | 2012 |
| Trackstar Productions Limited | Information & communication | 2004 |
| Transfer Edge Limited | Information & communication | 2020 |
| Trebarvah Consulting Ltd | Professional & scientific | 2024 |
| Tree of Love Limited | Information & communication | 2011 |
| Treetops Maidensgrove Ltd | Real estate | 2026 |
| Trevelio Touristech AI Solutions Ltd | Information & communication | 2024 |
| TRH Management Services Ltd | Professional & scientific | 2011 |
| Tribera Group Ltd | Financial services | 2025 |
| Tribera Investments TGV1 LLP | | 2026 |
| Tribera Real Estate Management UK Ltd | Real estate | 2024 |
| Trickster Pictures Ltd | Arts & recreation | 2019 |
| Trinitarian Holdings Limited | Financial services | 2018 |
| Trinity Media Services Limited | Professional & scientific | 1993 |
| Triplef Henley-On-Thames Ltd | Arts & recreation | 2020 |
| Trusta Industries Bidco Limited | Manufacturing | 2025 |
| Trusta Industries Ltd | Manufacturing | 2025 |
| Trusta Industries Midco Limited | Manufacturing | 2025 |
| TT & R Limited | Transport & logistics | 2017 |
| Tubrid Limited | Transport & logistics | 2006 |
| Tudor John Design Ltd | Professional & scientific | 2019 |
| Tudorfleet Ltd. | Administrative & support | 2013 |
| Tuesday Tonic Ltd | Professional & scientific | 2024 |