| THE Project Climbing Centre Ltd | Arts & recreation | 2016 |
| THE Quick Gear Company Limited | Wholesale & retail | 2018 |
| THE R-Blue Company Limited | Professional & scientific | 2013 |
| THE Red House Residents Association (Sandbanks) Limited | Households | 1986 |
| THE Red Shack Ltd | Wholesale & retail | 2026 |
| THE Redeemed Christian Church of GOD New Beginning Chapel Bournemouth | Other services | 2016 |
| THE Redeemed Christian Church of GOD New Beginning Chapel Poole Ltd | Other services | 2023 |
| THE Refill DEN Dorset Ltd | Wholesale & retail | 2021 |
| THE Resilience Centre Limited | Professional & scientific | 2009 |
| THE Rise of Iskander Ltd | Real estate | 2024 |
| THE Risk Academy Ltd | Education | 2023 |
| THE Riverside Group Holding Company Limited | Financial services | 2018 |
| THE Rogue Bar Co Limited | Hospitality | 2015 |
| THE Roller Freehold Limited | Real estate | 2019 |
| THE Rovert Partnership LLP | | 2026 |
| THE Rubicon Group Limited | Administrative & support | 2000 |
| THE Santos Partnership Ltd | Real estate | 2014 |
| THE Sapphic Space CIC | Health & social care | 2025 |
| THE Second Opinion Consultancy Ltd | Professional & scientific | 2024 |
| THE Senses Project Limited | Education | 2024 |
| THE Shambles (Fordingbridge) Management Company Limited | Households | 2017 |
| THE Shared Living Group (Holdings 1) Ltd | Real estate | 2018 |
| THE Shared Living Group (Holdings 2) Ltd | Real estate | 2021 |
| THE Shared Living Group (Holdings 3) Ltd | Real estate | 2022 |
| THE Shared Living Group (Holdings 4) Ltd | Real estate | 2022 |
| THE Shared Living Group (Holdings 5) Ltd | Real estate | 2022 |
| THE Shared Living Group (Holdings 6) Limited | Real estate | 2022 |
| THE Shared Living Group (Holdings) Ltd | Real estate | 2018 |
| THE Shared Living Group Ltd | Real estate | 2018 |
| THE Sharing Life Ltd | Information & communication | 2025 |
| THE Shelley (Worthing) Limited | Health & social care | 2005 |
| THE Shiny Squad Deep Clean Ltd | Administrative & support | 2025 |
| THE Ship Inn Lerryn Community PUB LLP | | 2014 |
| THE Shipyard Estate Residents Association Limited | Households | 2001 |
| THE Shirt Framing Service Ltd | Other services | 2017 |
| THE Shop Next Door Ltd | Real estate | 2012 |
| THE Shouting Mute C.I.C. | Arts & recreation | 2023 |
| THE Silent Killer Ltd | Information & communication | 2025 |
| THE Simply Collective Ltd | Real estate | 2012 |
| THE Skate House at Coast Ltd | Hospitality | 2023 |
| THE Skin Shed Ltd | Health & social care | 2025 |
| THE Slab LAB Ltd | Wholesale & retail | 2026 |
| THE Sloop Freehold Limited | Households | 2023 |
| THE Society for Poole Limited | Professional & scientific | 2019 |
| THE Solar Company South Ltd | Construction | 2025 |
| THE Sound of the Suburbs Limited | Arts & recreation | 2003 |
| THE Spinners Freehold Limited | Households | 2016 |
| THE Spinney Residents Company (Poole) Limited | Households | 2018 |
| THE Spire Management Group Trading Ltd | Other services | 2025 |
| THE Spraygun Company Ltd. | Wholesale & retail | 2004 |
| THE Sta'In Inn Ltd | Hospitality | 2020 |
| THE Staycation Collection Ltd | Hospitality | 2024 |
| THE String Vest Company Limited | Construction | 2014 |
| THE Students' Union at BU Ltd | Education | 2020 |
| THE Sunbed Salon Limited | Other services | 2024 |
| THE Sunseed Trust Ltd | Professional & scientific | 2003 |
| THE Surf & Moto Bakery Ltd | Wholesale & retail | 2023 |
| THE Survivors' Retreat Community Interest Company | Health & social care | 2025 |
| THE Sw!M LAB Limited | Education | 2024 |
| THE Swanky Media Group Ltd | Manufacturing | 2023 |
| THE Sweet Spot Poole Ltd | Wholesale & retail | 2021 |
| THE Tanning Dynasty Limited | Other services | 2026 |
| THE Tea House (Poole) Limited | Arts & recreation | 2025 |
| THE Thorns Residents Company Limited | Households | 2002 |
| THE Tiffin (HA) Limited | Hospitality | 2026 |
| THE Tipple Trainer Ltd | Education | 2016 |
| THE Transport Sanctuary Ltd | Transport & logistics | 2022 |
| THE Treasure Chest Jewellers Ltd | Manufacturing | 2022 |
| THE Tree of Life for Animals Limited | Professional & scientific | 2005 |
| THE Trustees of 22 High East Street LLP | | 2015 |
| THE Two Piece Collection Ltd | Wholesale & retail | 2019 |
| THE UK Association of Letting Agents Limited | Other services | 1997 |
| THE Vehicle Refinishing Company Ltd | Wholesale & retail | 2012 |
| THE Veteran Van MAN Ltd | Transport & logistics | 2023 |
| THE Village Green (Aspull) Management Company Limited | Households | 2007 |
| THE Vision Partnership Ltd | Administrative & support | 2022 |
| THE Vixen Priestess Ltd | Information & communication | 2025 |
| THE Watering CAN Poole Ltd | Hospitality | 2025 |
| THE Way-What About YOU Limited | Education | 2025 |
| THE Wealth Care Partnership (Hampshire) LLP | | 2007 |
| THE Wedding Crecherz Ltd | Health & social care | 2022 |
| THE Westminster Collection Limited | Extraterritorial | 2006 |
| THE Wheeler Brown Partnership Limited | Professional & scientific | 2003 |
| THE Whitticase Practice Ltd | Health & social care | 2024 |
| THE WHY INS Company Limited | Financial services | 2013 |
| THE Wick Freehold Limited | Households | 2005 |
| THE Wild FOX Flowers Limited | Arts & recreation | 2015 |
| THE Willows Management (Poole) Company Limited | Households | 2006 |
| THE Windfall Drinks Company Limited | Wholesale & retail | 1996 |
| THE Windybank Company Limited | Manufacturing | 2019 |
| THE Wood Fired Piadizza Co Ltd | Hospitality | 2015 |
| THE Wrap Sanctuary Limited | Manufacturing | 2019 |
| THE Wright Clean Poole Ltd | Administrative & support | 2021 |
| THE YEW Tree Inn Ltd | Hospitality | 2016 |
| THE Yolanda Moore Foundation | Administrative & support | 2018 |
| THE Yorkshire Property Sourcer Ltd | Real estate | 2024 |
| Theberds VFX Ltd | Information & communication | 2018 |
| Theclassicswing Ltd | Wholesale & retail | 2022 |
| Thedl's Limited | Manufacturing | 2003 |
| Thee Empowered Mama Ltd | Health & social care | 2026 |