| THE Essential Wellbeing Network Limited | Health & social care | 2015 |
| THE Glen Management Company (Emsworth) Limited | Households | 1989 |
| THE Grange (Woodmancote) Management Company Limited | Extraterritorial | 1996 |
| THE Kings Court Emsworth Management Company Limited | Households | 2009 |
| THE Mindworks Marketing Company Limited | Professional & scientific | 1998 |
| THE Old Dairy Farm Glamping Limited | Hospitality | 2016 |
| THE People’S Game Ltd | Arts & recreation | 2026 |
| THE Stag (Portsmouth) Limited | Hospitality | 2010 |
| THE Trans Network Ltd | Professional & scientific | 2026 |
| THE Wildfowlers Association Ltd | Other services | 2016 |
| Theale Components Limited | Wholesale & retail | 1996 |
| Thinking Social Ltd | Health & social care | 2025 |
| Thistle Trading Group Ltd | Wholesale & retail | 2020 |
| Tidal Health Limited | Health & social care | 2020 |
| Tier Comms Ltd | Information & communication | 2009 |
| Titchie’S Ltd | Hospitality | 2025 |
| TJ Moore Electrical Ltd | Construction | 2022 |
| TMS Construction & Development Limited | Construction | 2019 |
| TOM the Fishman Sussex Limited | Wholesale & retail | 2026 |
| Top Style Barber Shop Limited | Other services | 2026 |
| TOR Flynn Ltd | Education | 2025 |
| Touchscreens Direct Limited | Wholesale & retail | 2010 |
| Tracing Places Limited | Extraterritorial | 1997 |
| Travel Teacher Limited | Administrative & support | 2015 |
| Treagust & Co Estate Agents Ltd | Real estate | 2014 |
| Treagust Butchers Limited | Manufacturing | 2024 |
| Trendy Sports Agency Limited | Wholesale & retail | 2015 |
| Tricker Coffee Group Co Ltd | Hospitality | 2024 |
| TSS Capital Limited | Real estate | 2020 |
| TTO Limited | Real estate | 2009 |
| Tuppenny Barn Education Limited | Education | 2011 |
| Tuppenny Barn Organics Limited | Wholesale & retail | 2003 |
| Turbulent Flow Limited | Information & communication | 2012 |
| Turvey Consultancy Services Ltd | Professional & scientific | 2022 |
| TVR Electrical Services Limited | Construction | 2015 |
| Tyto Marketing Limited | Professional & scientific | 2015 |
| Ultimate High Limited | Education | 2000 |
| Unity Care Specialists Ltd | Administrative & support | 2021 |
| V Facial Aesthetics Limited | Health & social care | 2021 |
| Valyrian Security Consulting Ltd | Administrative & support | 2024 |
| Venvell Estates Ltd | Real estate | 2024 |
| Verah Limited | Administrative & support | 2026 |
| Veritas Systems Limited | Information & communication | 2020 |
| Vertical Technology Limited | Construction | 1993 |
| VG Ascetic Ltd | Administrative & support | 2025 |
| Villa Legal Ltd | Information & communication | 2025 |
| Visionroar.Com Ltd | Information & communication | 2013 |
| Vitalis Aesthetic Consulting Ltd | Administrative & support | 2025 |
| Vizana Brands Limited | Wholesale & retail | 2026 |
| Vizana Ltd | Wholesale & retail | 2025 |
| Volatus Aerospace UK Ltd | Professional & scientific | 2022 |
| W&W Finance & Marketing Limited | Professional & scientific | 2017 |
| W.A.S.P Metal Polishing Ltd | Manufacturing | 2004 |
| W8 Box Limited | Wholesale & retail | 2021 |
| Wadey Plumbing and Heating Ltd | Construction | 2025 |
| Wakelin Holdings Limited | Financial services | 2009 |
| Wakelin Partners Limited | Professional & scientific | 1993 |
| Watersports Pro Limited | Information & communication | 2022 |
| WBB Design & Innovation Ltd | Professional & scientific | 2020 |
| Webbs Motorworks Limited | Wholesale & retail | 2012 |
| Wefix Roof Care Ltd | Construction | 2025 |
| Weldrite Engineering Services Limited | Wholesale & retail | 2008 |
| Wells Carran Ltd | Professional & scientific | 2019 |
| Wemsfest Community Interest Company | Arts & recreation | 2013 |
| Wendav Limited | Professional & scientific | 2003 |
| West END Properties (Havant) Limited | Real estate | 1959 |
| West Sussex Country Food Limited | Hospitality | 2026 |
| West Sussex Groundworks Limited | Construction | 2017 |
| Westbourne Auto Repairs Limited | Wholesale & retail | 2021 |
| Westbourne Property Partners Limited | Real estate | 2013 |
| Westbourne Spice Limited | Hospitality | 2016 |
| Westbourne Village Stores Limited | Wholesale & retail | 2014 |
| Westmead Decorating Services Limited | Construction | 2002 |
| Weston Building Development Limited | Real estate | 1987 |
| White Ridge Plumbing Ltd. | Construction | 2015 |
| Wicor Building Services Limited | Construction | 2009 |
| Wildwoods Joinery Ltd | Construction | 2023 |
| Winchester Wood Floors Ltd | Construction | 2019 |
| Windrush (Sales and Marketing) Limited | Real estate | 2025 |
| Windrush Consultancy Services Ltd | Professional & scientific | 2015 |
| Wjcj Limited | Other services | 2016 |
| Woodmancote Contractors Limited | Agriculture & fishing | 2018 |
| Woodside Farm Holidays Ltd | Hospitality | 2023 |
| Wren Aviation Limited | Administrative & support | 2023 |
| WSG Developments Limited | Construction | 2023 |
| Wtgw Properties Limited | Administrative & support | 2015 |
| Xoryx Limited | Professional & scientific | 2013 |
| Xtra Stærk Infiniti Racing Ltd | Wholesale & retail | 2020 |
| YBS Properties Group Limited | Real estate | 2025 |
| Yewstone Ltd | Construction | 2007 |
| Your Bookkeeping Company Limited | Professional & scientific | 2026 |
| Zero West Watches Limited | Manufacturing | 2018 |
| ZOB Media Limited | Information & communication | 2007 |
| Zobe Southern Limited | Real estate | 2025 |
| Åbacus Productions Ltd | Information & communication | 2019 |