| THE Nurseries (Hayling Island)Management Limited | Households | 2023 |
| THE Ocean Rooms Beauty Limited | Other services | 2015 |
| THE Orchard Residents (Bishops Waltham) Limited | Households | 2005 |
| THE Organic Treatment Company Ltd | Other services | 2010 |
| THE Pallant Management Company Limited | Extraterritorial | 2013 |
| THE Permaculture Patch Ltd | Extraterritorial | 2021 |
| THE Personal Mechanic Limited | Wholesale & retail | 2014 |
| THE Phoenix Club Ltd | Other services | 2013 |
| THE Pink Cottage Day Nursery Limited | Health & social care | 2018 |
| THE Play Team (South) Ltd | Arts & recreation | 2022 |
| THE Portchester Group Limited | Extraterritorial | 2016 |
| THE Portland PO5 Limited | Construction | 2016 |
| THE Portsmouth Watch Company Ltd | Wholesale & retail | 2021 |
| THE Print-Studio Limited | Manufacturing | 2026 |
| THE Private Client Portal Limited | Information & communication | 2025 |
| THE Property Company Solent Ltd | Financial services | 2021 |
| THE Property Hub South Limited | Real estate | 2024 |
| THE Propmate Limited | Construction | 2022 |
| THE Protection Specialist Limited | Financial services | 2009 |
| THE Purple Parlour Ltd | Real estate | 2024 |
| THE Ragged Tiger Ltd | Professional & scientific | 2025 |
| THE Rainbow Centre for Conductive Education Ltd | Education | 2002 |
| THE Rainbow Coloured Eggs Company Limited | Agriculture & fishing | 2022 |
| THE Real WOK N Rolla Limited | Hospitality | 2011 |
| THE Recycled Assets Company Ltd | Real estate | 2021 |
| THE Red Lion (Southwick) Ltd | Hospitality | 2025 |
| THE Retail Business Ltd | Information & communication | 2016 |
| THE Roath Group Limited | Real estate | 2017 |
| THE Royal Naafi | Wholesale & retail | 1920 |
| THE Safecell Security Group Limited | Administrative & support | 2012 |
| THE Sales Function Ltd | Financial services | 2023 |
| THE Sally Port Inn Ltd | Hospitality | 2015 |
| THE Saltus Partnership Holdings LLP | | 2024 |
| THE Samuals Rest Ltd | Hospitality | 2025 |
| THE Scaffolding Erectors Group Limited | Construction | 2018 |
| THE Secret Knock Ltd | Information & communication | 2026 |
| THE SEN Edit Limited | Manufacturing | 2025 |
| THE Services Hockley Fishery Limited | Agriculture & fishing | 2015 |
| THE Shipyard (Littlehampton) Limited | Administrative & support | 2006 |
| THE Shutter HUT Ltd | Manufacturing | 2019 |
| THE Sipping Club Limited | Information & communication | 2022 |
| THE Sneaker LAB MCR Ltd | Other services | 2025 |
| THE Sober Sailor Ltd | Hospitality | 2022 |
| THE Solent Diabetes Association | Wholesale & retail | 2007 |
| THE South Coast Carpentry and Interiors Company Limited | Manufacturing | 2020 |
| THE Spa Workshop Ltd | Manufacturing | 2021 |
| THE Space Within Studio Limited | Other services | 2025 |
| THE Spinnakers Residents Company Limited | Households | 2005 |
| THE Steeples Property Management Ltd. | Households | 1998 |
| THE Stronger Together Crime Reduction Group Limited | Other services | 2021 |
| THE Structure Group U.K. Limited | Real estate | 2023 |
| THE Taproot and Tendril Limited | Hospitality | 2025 |
| THE Teaching Box Limited | Education | 2020 |
| THE Teamed Group Ltd | Administrative & support | 2026 |
| THE Tech Executives Ltd | Administrative & support | 2004 |
| THE Three Marketeers Limited | Professional & scientific | 2026 |
| THE Three Sleeping Bears Limited | Hospitality | 2013 |
| THE Tipsy Rose Ltd | Hospitality | 2024 |
| THE Torrs Management Company Limited | Real estate | 2003 |
| THE Towers Red Limited | Real estate | 2025 |
| THE Travelbook Group Limited | Administrative & support | 2010 |
| THE Travellers' Rest Newtown Limited | Hospitality | 2017 |
| THE Ultimate Shed Company Ltd | Manufacturing | 2005 |
| THE Urbany Ltd | Wholesale & retail | 2021 |
| THE View From Ltd | Professional & scientific | 2020 |
| THE Vintage Club Ltd | Professional & scientific | 2026 |
| THE Volpter Group Ltd | Administrative & support | 2019 |
| THE VW Service Centre (Gosport) Ltd | Wholesale & retail | 2011 |
| THE Warren Boarding Kennels Limited | Other services | 2025 |
| THE Warren Principle Ltd | Professional & scientific | 2023 |
| THE Warren Residential Lodge Limited | Health & social care | 2011 |
| THE Watermill Clinic Limited | Health & social care | 2025 |
| THE Wedding Plans Limited | Other services | 2016 |
| THE Wellbeing Collective Limited | Administrative & support | 2014 |
| THE Wellhouse Collective Ltd | Other services | 2026 |
| THE Wessex Intensivists Group LLP | | 2019 |
| THE White House Bristol Limited | Construction | 2023 |
| THE Wicor Mill Portchester Ltd | Hospitality | 2024 |
| THE Wirral Beacon Ltd | Information & communication | 2026 |
| THE Wood Development Group Limited | Real estate | 2024 |
| THE Wood Thorpe Cafe Ltd | Hospitality | 2025 |
| THE Works GP Ltd | Health & social care | 2023 |
| THE Works Project Limited | Administrative & support | 2023 |
| THE YOU Trust | Health & social care | 1985 |
| Theknowledgenest.Co.Uk Limited | Education | 2024 |
| Themanish Properties Ltd | Real estate | 2025 |
| THEPASSCAFE2 Ltd | Hospitality | 2018 |
| THERAMIT2024 Ltd | Manufacturing | 2024 |
| Therapy Retreats Limited | Health & social care | 2011 |
| Thermesafe Ltd | Manufacturing | 2019 |
| Thermic Ltd | Construction | 2022 |
| Thespaservice Limited | Administrative & support | 2025 |
| Thetford Specsavers Limited | Wholesale & retail | 2006 |
| Thetford Visionplus Limited | Wholesale & retail | 2006 |
| Thevrspace Limited | Arts & recreation | 2025 |
| Thicket House Limited | Real estate | 2013 |
| Think Big DO Bigger CIC | Other services | 2025 |
| Think Comms Limited | Administrative & support | 2014 |
| Think Outside the Box Counselling Ltd | Health & social care | 2024 |
| Third Woodlea Place Management Company (Whiteley) Limited | Households | 1997 |