| THE Media Career Programme Ltd | Professional & scientific | 2026 |
| THE Merchant Bar Ltd | Other services | 2017 |
| THE Morning Gamechanger Ltd | Professional & scientific | 2021 |
| THE Movie Method Ltd | Information & communication | 2022 |
| THE Natum Limited | Wholesale & retail | 2020 |
| THE Oaks (Denmead) Ltd | Real estate | 2026 |
| THE ODD JOB MAN U.K. Limited | Professional & scientific | 1993 |
| THE Old Brewery (Hambledon) Limited | Households | 2010 |
| THE Old Rectory Specialist Care LLP | | 2019 |
| THE OMG Center Ltd | Information & communication | 2022 |
| THE Only Flight Comparison Limited | Administrative & support | 2024 |
| THE Opportunity Broker Limited | Professional & scientific | 2025 |
| THE Orange Train Wash Ltd | Manufacturing | 2019 |
| THE Oving Medical Clinic Limited | Health & social care | 2024 |
| THE Parking Management Consultancy Limited | Administrative & support | 2026 |
| THE Patient Centre Limited | Health & social care | 2025 |
| THE Patio Bistro Ltd | Hospitality | 2023 |
| THE PE Suite Ltd | Education | 2016 |
| THE Peace Project Limited | Professional & scientific | 2009 |
| THE People Academy Limited | Professional & scientific | 2014 |
| THE Petersfield Cafe Limited | Hospitality | 2026 |
| THE Physiotherapy Centre (Waterlooville) Ltd | Health & social care | 2016 |
| THE Pine Hill Group Ltd | Professional & scientific | 2025 |
| THE Plating PAD Ltd | Manufacturing | 2026 |
| THE Plump Duck Limited | Other services | 2013 |
| THE Podiatry & Chiropody Centre Limited | Health & social care | 2003 |
| THE Pole Coven Ltd | Arts & recreation | 2025 |
| THE Polishing PAD Ltd | Manufacturing | 2020 |
| THE Portable Living Group Limited | Hospitality | 2017 |
| THE Portsmouth Dog Trainer Ltd | Other services | 2025 |
| THE Presenting Hub Limited | Professional & scientific | 2025 |
| THE Pride Piper Limited | Transport & logistics | 2020 |
| THE Property Group TPG Limited | Real estate | 2021 |
| THE Purbrook Park Learning Trust | Education | 2009 |
| THE Really Good Communications Company Limited | Financial services | 2015 |
| THE Red Alligator PUB Limited | Hospitality | 2025 |
| THE Red House Property Management Ltd | Real estate | 2021 |
| THE Renegade Accountant Ltd | Professional & scientific | 2026 |
| THE Right Online Course Company | Administrative & support | 2021 |
| THE Robin Hood Public House Limited | Hospitality | 2024 |
| THE Roman Kitchen Cafe Ltd | Wholesale & retail | 2025 |
| THE Running Accountant Limited | Professional & scientific | 2017 |
| THE Safety Department Limited | Professional & scientific | 2010 |
| THE Scaffolding Alarm Company Limited | Construction | 2016 |
| THE Seamstress of Bloomsbury Limited | Manufacturing | 2023 |
| THE Search Club Limited | Extraterritorial | 2016 |
| THE Second Rowlands Castle Residents Association Limited | Households | 1988 |
| THE Serenity Rooms Ltd | Other services | 2018 |
| THE Shawthings Property Company Limited | Real estate | 2020 |
| THE Shed Tattoos Ltd | Arts & recreation | 2024 |
| THE Shirt Gallery Limited | Wholesale & retail | 2025 |
| THE Silk Purse Guild Limited | Wholesale & retail | 2020 |
| THE Since Group Ltd | Financial services | 2021 |
| THE Single Storey Company Limited | Construction | 2025 |
| THE Sixth House Group Limited | Other services | 2024 |
| THE Skate Club Ltd | Education | 2026 |
| THE Skiing Accountant Limited | Extraterritorial | 2018 |
| THE Southern School of Beauty Therapy Ltd | Education | 2008 |
| THE Southsea Terrace Hairdressers Ltd | Other services | 2016 |
| THE Spotlight Collective Limited | Arts & recreation | 2023 |
| THE Stables Caravan Park Ltd | Real estate | 2025 |
| THE Stirring, Southampton | Other services | 2009 |
| THE Story Lens Ltd | Professional & scientific | 2026 |
| THE Strong Project Ltd | Arts & recreation | 2024 |
| THE Stylist & Co (Portchester) Ltd | Other services | 2023 |
| THE Sussex Pain Clinic Limited | Health & social care | 2025 |
| THE Sweet Group Limited | Wholesale & retail | 2019 |
| THE Tax Back Team Ltd | Professional & scientific | 2014 |
| THE Temple of Venus Ltd | Wholesale & retail | 2025 |
| THE Tidy Elephant Ltd | Other services | 2024 |
| THE Tiny BED Company Limited | Wholesale & retail | 2021 |
| THE Topiaries (Clanfield) Limited | Extraterritorial | 2007 |
| THE Uplift Collective Limited | Wholesale & retail | 2025 |
| THE Venue IOW Ltd | Hospitality | 2026 |
| THE Village Salon Group Ltd | Other services | 2016 |
| THE Vital Practice Limited | Health & social care | 2021 |
| THE Warp Events Limited | Administrative & support | 2025 |
| THE Way of the Hummingbird Ltd | Health & social care | 2025 |
| THE West Group Limited | Manufacturing | 1976 |
| THE Whale Therapy Project Ltd | Health & social care | 2021 |
| THE White House (Roedean Road) Management Company Limited | Households | 2021 |
| THE Wider Earth International Ltd | Arts & recreation | 2018 |
| THE Willows Day Nursery (Basingstoke) Limited | Health & social care | 2019 |
| THE Young Visionaries Corp Ltd | Information & communication | 2025 |
| Thea (the Honest Estate Agent) Limited | Real estate | 2020 |
| Theia Derm Limited | Health & social care | 2024 |
| Thekamco Ltd | Administrative & support | 2023 |
| Theme Prop Hire Ltd | Administrative & support | 2020 |
| Theraparent Ltd | Health & social care | 2019 |
| Thermo Screed Limited | Construction | 2016 |
| Thewarehouse Limited | Wholesale & retail | 2015 |
| Thewarp Limited | Administrative & support | 2022 |
| Thewestbourne Limited | Hospitality | 2024 |
| Think K9 Dog Training Ltd | Education | 2018 |
| Think With Logic Ltd | Information & communication | 2025 |
| Third SET Padel Limited | Arts & recreation | 2025 |
| Thirteen Research Ltd | Other services | 2018 |
| Thirteenth Investments Limited | Financial services | 2026 |
| This IS NOT a Test Ltd | Arts & recreation | 2025 |
| This Rank Ltd | Administrative & support | 2025 |