| Sunlight Energy Solutions Ltd | Construction | 2024 |
| Sunny Bird PR Limited | Professional & scientific | 2013 |
| Sunny Tails Pet Transport Ltd | Transport & logistics | 2024 |
| Supercar-Link Limited | Wholesale & retail | 2018 |
| Sure Accounting Limited | Professional & scientific | 2006 |
| Sureline Plumbing and Heating Limited | Construction | 2022 |
| Sustainable Utilities Limited | Energy | 2020 |
| SW Holdco Limited | Financial services | 2025 |
| Sweetwater Homes Ltd | Real estate | 2020 |
| Syco Effects Ltd | Information & communication | 2009 |
| Sylvanian Investments Ltd | Wholesale & retail | 2025 |
| T and W Developments Ltd | Construction | 2026 |
| T. a. Brockbank Limited | Transport & logistics | 2019 |
| T. Stride Brickwork Limited | Real estate | 1998 |
| Tactical Protection Team Ltd | Administrative & support | 2010 |
| Tahaleel Limited | Professional & scientific | 2021 |
| Taktika Business Enterprises Ltd | Professional & scientific | 2014 |
| TAN Shack Ferndown Ltd | Wholesale & retail | 2020 |
| Tanglestar Limited | Professional & scientific | 2012 |
| Tate Marine International Ltd | Professional & scientific | 2022 |
| Tayella Homes Ltd | Construction | 2014 |
| Tayfield Homes Limited | Construction | 2000 |
| Tayler Consulting Limited | Professional & scientific | 2024 |
| Taylor & Co (Investments) Limited | Real estate | 1946 |
| TB IT Solutions UK Limited | Information & communication | 2025 |
| TEC Check Limited | Information & communication | 2004 |
| Tech 613 Ltd | Manufacturing | 2026 |
| Teleios Management Ltd | Professional & scientific | 2017 |
| Telme Training & Development Limited | Manufacturing | 2002 |
| Temple Seven Group Limited | Real estate | 2017 |
| Testec UK Limited | Information & communication | 2011 |
| Texit Advisory Limited | Extraterritorial | 2019 |
| Texit Films Limited | Information & communication | 2016 |
| That Kind Limited | Information & communication | 2019 |
| THE Arts House Group Ltd | Arts & recreation | 2025 |
| THE Arts House Group UK Partnership LLP | | 2025 |
| THE Audio Mixologist Limited | Professional & scientific | 2015 |
| THE Balance Box Ltd | Administrative & support | 2025 |
| THE Banq Insurance Services Ltd. | Financial services | 2013 |
| THE Beeches (Ferndown) Freehold Limited | Households | 2009 |
| THE Bournemouth Guide Camp Association | Other services | 1931 |
| THE Busman Limited | Wholesale & retail | 2018 |
| THE Car Collective Limited | Wholesale & retail | 2024 |
| THE Centre Ferndown C.I.C. | Other services | 2018 |
| THE Change Mavericks Ltd | Information & communication | 2017 |
| THE Cheese Cartel Ltd | Hospitality | 2024 |
| THE Chihuahua Rescue UK Limited | Professional & scientific | 2021 |
| THE Clothing Sanctuary Limited | Wholesale & retail | 2026 |
| THE Coral Farm Ltd | Agriculture & fishing | 2024 |
| THE Driving Training Centre Ltd | Education | 2019 |
| THE Earl of Curl Ltd | Other services | 2024 |
| THE Ferns (Freehold) Limited | Households | 2006 |
| THE Forest Inn (Ferndown) Ltd | Hospitality | 2014 |
| THE Gearbox Specialists (Dorset) Limited | Wholesale & retail | 2007 |
| THE Good Grief Trust | Other services | 2016 |
| THE Gym Equipment Ltd | Wholesale & retail | 2024 |
| THE Happy Blossoms Floral Design Limited | Wholesale & retail | 2018 |
| THE Improvement LAB Ltd | Professional & scientific | 2023 |
| THE Language Training Co Dorset Ltd | Education | 2011 |
| THE Learning Tree Early Years Ltd | Health & social care | 2019 |
| THE Links Courtyard Management Company Limited | Households | 2009 |
| THE Little White Heart Company Ltd | Other services | 2012 |
| THE Metcalfe Partnership Limited | Professional & scientific | 2012 |
| THE MID Life Edit Ltd | Information & communication | 2024 |
| THE Milco Group Ltd | Professional & scientific | 2024 |
| THE Montague Management South Ltd | Households | 2021 |
| THE Normandie Hotel (Manor Road) Limited | Hospitality | 2012 |
| THE Outdoor ED School Limited | Education | 2024 |
| THE Pear at Parley Limited | Hospitality | 2018 |
| THE Pelvic Surgery Practice Limited | Health & social care | 2010 |
| THE Pines Freehold (46 Church Road) Limited | Real estate | 2022 |
| THE Practice at Ferndown Limited | Health & social care | 2003 |
| THE R Zone Group Limited | Professional & scientific | 2025 |
| THE Reflections Project Ltd | Information & communication | 2020 |
| THE Retirement Zone Limited | Professional & scientific | 2025 |
| THE Universal Development Company (Pale Blue DOT) Ltd | Professional & scientific | 2020 |
| THE Ventilation Specialists (Southern) Ltd | Construction | 2010 |
| THE Venue Christchurch Ltd | Other services | 2024 |
| THE Venue Holdings Ltd | Financial services | 2019 |
| THE Venue Westbourne Ltd | Other services | 2019 |
| THE Waste Group Ltd | Water & waste | 2013 |
| THE West Moors Clinic LLP | | 2024 |
| THE White Truck Limited | Financial services | 2026 |
| THE World of Ceres Ltd | Wholesale & retail | 2008 |
| THE Wycombe Property Co. Ltd | Real estate | 1946 |
| THE Zachary Network Limited | Professional & scientific | 2002 |
| THE ZEN Hub London Limited | Manufacturing | 2020 |
| Thebioarmoury Ltd | Manufacturing | 2023 |
| Thegreenhomeco. Ltd | Construction | 2023 |
| Thelocumpractice Ltd | Health & social care | 2024 |
| Themis Equities LLP | | 2025 |
| Think Capital Limited | Construction | 2019 |
| Think Signs Limited | Manufacturing | 2005 |
| Think Signs Property Ltd | Real estate | 2025 |
| Think Wraps Ltd | Professional & scientific | 2018 |
| Thinkbox Physio Ltd | Administrative & support | 2022 |
| Third Step Holdings Ltd | Financial services | 2023 |
| Thomas Group Properties Limited | Hospitality | 2025 |
| Thomas Jones (Memorials) Ltd | Other services | 2022 |
| Tiani Spirit Limited | Wholesale & retail | 2012 |