| Tavt Ltd | Real estate | 2026 |
| Tawmix Recycling Limited | Water & waste | 2013 |
| Tawny's Members' Club Limited | Hospitality | 2026 |
| Taxi World Order Limited | Other services | 2016 |
| Taylored Bids and Consulting Limited | Professional & scientific | 2024 |
| Taylorstays Ltd | Real estate | 2022 |
| Tbig Services Limited | Transport & logistics | 2025 |
| Tboo Tried Co., Ltd | Manufacturing | 2024 |
| TBR Solo Limited | Wholesale & retail | 2026 |
| Tcare Rapid Transition Services Ltd | Health & social care | 2026 |
| TCB Conveyancing Services Limited | Real estate | 2014 |
| Tcllh Limited | Financial services | 2012 |
| TCW Sports Limited | Education | 2024 |
| TD Aesthetics Limited | Other services | 2021 |
| Tea Service Limited | Administrative & support | 2024 |
| Team SB Limited | Arts & recreation | 2024 |
| Teamcst Construction Ltd | Construction | 2021 |
| TEC Support Services UK Limited | Administrative & support | 2025 |
| Tech Bar Repairs Ltd | Manufacturing | 2023 |
| Tech Risk Consultants Ltd | Information & communication | 2014 |
| Techlogic Engineering Limited | Construction | 2025 |
| Techmist Gillingham Ltd | Wholesale & retail | 2026 |
| Technical Solutions (South) Limited | Professional & scientific | 2020 |
| Technifire Solutions Limited | Other services | 2012 |
| Technology Risk Consultants Ltd | Information & communication | 2018 |
| Techsect Limited | Information & communication | 2022 |
| Techtribune Ltd | Information & communication | 2024 |
| Tedex Consulting Limited | Information & communication | 2025 |
| Teekayy Ltd | Health & social care | 2023 |
| Teemjay Essentials Limited | Wholesale & retail | 2026 |
| Tegkom Limited | Construction | 2017 |
| Tegrac Business Solutions Ltd | Transport & logistics | 2026 |
| Tekcan Ltd | Hospitality | 2020 |
| Teletreat Ltd | Health & social care | 2017 |
| Temi's Care Ltd | Health & social care | 2025 |
| Temiz Associates Ltd | Professional & scientific | 2019 |
| Temiz Book-Keeping Limited | Wholesale & retail | 2010 |
| Tempest Radford Art Ltd | Arts & recreation | 2023 |
| Tempest Radford Limited | Wholesale & retail | 1999 |
| Templar Property & Investments Limited | Real estate | 2017 |
| Templar Transport Limited | Transport & logistics | 2003 |
| Temrel Ltd | Information & communication | 2023 |
| Tender Hands Care Limited | Administrative & support | 2022 |
| Terry & Odell Electrical Contractors Ltd | Construction | 2018 |
| TES Consult Limited | Information & communication | 2013 |
| Texmac Industrial Co., Ltd. | Manufacturing | 2025 |
| Teynham Driveways Limited | Construction | 2025 |
| TFS Roofing Ltd | Construction | 2017 |
| TG Enterprises Ltd | Wholesale & retail | 2012 |
| TGM Estates Ltd | Real estate | 2021 |
| THA Krish Company Limited | Wholesale & retail | 2024 |
| Thaj Services Limited | Health & social care | 2019 |
| Tharo Property Ltd | Real estate | 2026 |
| Thaz Properties UK Ltd | Real estate | 2026 |
| Thcompany Ltd | Wholesale & retail | 2020 |
| THE 8TH Mgmt Limited | Professional & scientific | 2025 |
| THE Aberdeen Coal and Shipping Company Limited | Manufacturing | 2004 |
| THE Agricultural RAT Ltd | Agriculture & fishing | 2022 |
| THE Alverton Estate Limited | Real estate | 1994 |
| THE Analogue Bird Company Ltd | Hospitality | 2022 |
| THE Apprentice Portal Ltd | Education | 2023 |
| THE Avon Advertiser Ltd | Extraterritorial | 2022 |
| THE Bearded Viking Kent Limited | Manufacturing | 2021 |
| THE Beauté Shed Limited | Other services | 2017 |
| THE Better Living Collective Ltd | Professional & scientific | 2025 |
| THE Birring Group Ltd | Real estate | 2025 |
| THE Black Well Business Enterprise Ltd | Information & communication | 2025 |
| THE Blackheath Tea HUT Limited | Hospitality | 2017 |
| THE Blackmore Vale Ltd | Information & communication | 2020 |
| THE Blackmore Vale Magazine Ltd | Information & communication | 2020 |
| THE Bookmark Educational Trust Ltd. | Wholesale & retail | 2013 |
| THE Box Italian Limited | Manufacturing | 2020 |
| THE Breath Clinic Limited | Health & social care | 2025 |
| THE Bristow Partnership Limited | Education | 2017 |
| THE Business Lounge Ltd | Professional & scientific | 2019 |
| THE Cannon Brompton Ltd | Hospitality | 2019 |
| THE Chandlers Wharf Freehold Company Limited | Real estate | 2015 |
| THE Chenies Estate Management Company Ltd | Households | 2005 |
| THE CJM Group (South East) Ltd | Construction | 2020 |
| THE Clapham Bookshop Limited | Wholesale & retail | 1998 |
| THE Classic Dorset PUB Company Limited | Hospitality | 2019 |
| THE Cleaning Mission Ltd | Financial services | 2024 |
| THE Cley Hall Hotel Spalding Limited | Hospitality | 2017 |
| THE Cloisters Management Services Limited | Households | 1991 |
| THE Coco House of Mere Ltd | Wholesale & retail | 2025 |
| THE Commercial Finance Hub Limited | Administrative & support | 2025 |
| THE Conservative Libertarian Publications Limited | Information & communication | 2021 |
| THE Contemporary Building Construction Company Limited | Construction | 2017 |
| THE Copse House Cider Company Ltd | Manufacturing | 2013 |
| THE Cozy Cloud Ltd | Wholesale & retail | 2026 |
| THE Craft Hub @ X1 Limited | Manufacturing | 2026 |
| THE Craft Hub Co Limited | Manufacturing | 2025 |
| THE Creative Skills Hub Limited | Education | 2021 |
| THE Creed Centre Limited | Wholesale & retail | 2016 |
| THE Decorative Trading Company Limited | Construction | 2021 |
| THE Dewdrop (Vesta) Ltd | Hospitality | 2024 |
| THE Dogs Products Limited | Wholesale & retail | 2007 |
| THE Dorset Farmer Ltd | Agriculture & fishing | 2021 |
| THE Dorset Spray Smiths Ltd | Manufacturing | 2021 |
| THE Elim Property Investment Ltd | Real estate | 2023 |