| 1721 Studio Limited | Information & communication | 2015 |
| Accountancy Solutions (Winchester) Limited | Professional & scientific | 2015 |
| Added Security Technology Limited | Manufacturing | 1995 |
| AND Bespoke Limited | Professional & scientific | 2017 |
| Artorius Holdings Limited | Financial services | 2021 |
| B F Engineering Services Limited | Administrative & support | 2000 |
| Best One Havant Limited | Real estate | 2009 |
| Big Fish EA Ltd | Construction | 2019 |
| Boatloads International Limited | Transport & logistics | 2009 |
| BRL Southern Ltd | Water & waste | 2019 |
| Carter Blinds Limited | Construction | 2012 |
| Castles Estate Agents Hampshire Ltd | Real estate | 2020 |
| Cityhirst Limited | Information & communication | 2003 |
| Clet Ltd | Real estate | 2018 |
| Coates Group Limited | Information & communication | 2009 |
| Cotopro Limited | Professional & scientific | 2024 |
| Elderberry Limited | Wholesale & retail | 1994 |
| Evans Shims & Gaskets Limited | Manufacturing | 2017 |
| Executives in Sport Group Ltd | Administrative & support | 2012 |
| Fenwicks Estates (Portchester) Ltd | Real estate | 2020 |
| G. Knight Consulting Limited | Professional & scientific | 2018 |
| Glasstrends London Ltd | Construction | 2022 |
| Golden Boat Ltd | Hospitality | 2022 |
| Grabau International Limited | Wholesale & retail | 2015 |
| Grape Skateboards Limited | Extraterritorial | 2017 |
| Green Colo Ltd | Information & communication | 2012 |
| Green Soft Ltd | Information & communication | 2016 |
| Hants Electrical Ltd | Construction | 2011 |
| High Latitude Sailing Limited | Extraterritorial | 2011 |
| HJD Marketing Limited | Arts & recreation | 2026 |
| Imgic Limited | Professional & scientific | 2014 |
| International Institute of Marine Surveying | Other services | 2003 |
| J & W Solutions Ltd | Manufacturing | 2015 |
| JEM Property Services Group Limited | Construction | 2014 |
| JEM Service & Maintenance Limited | Extraterritorial | 2016 |
| Jkmn Limited | Construction | 2016 |
| Kingsleigh Limited | Real estate | 1998 |
| LW Hair and Head Spa Ltd | Other services | 2024 |
| Marble Talent Group Limited | Administrative & support | 2020 |
| Marine Surveying Academy Ltd. | Administrative & support | 2010 |
| Matt Graham Ltd | Wholesale & retail | 2013 |
| Mill Meadow Management Company Limited | Households | 1988 |
| MLL Portchester Limited | Health & social care | 2009 |
| MR Radiator Limited | Construction | 2017 |
| My Home Lighting Limited | Wholesale & retail | 2010 |
| Niche Communications (Europe) Limited | Professional & scientific | 1990 |
| Norsman Limited | Extraterritorial | 2009 |
| Ohmega Limited | Manufacturing | 1979 |
| Platinum Care Solutions Limited | Administrative & support | 2004 |
| Politely Rebellious Next GEN. Community Interest Company | Education | 2024 |
| Portchester Confectionary (UK) Limited | Wholesale & retail | 2026 |
| Portchester Counselling Ltd | Health & social care | 2023 |
| Psych Health Solutions Limited | Health & social care | 2012 |
| Quay Traders Limited | Wholesale & retail | 1999 |
| R & B Stores Ltd | Wholesale & retail | 2011 |
| Rachel Dunning Limited | Other services | 2014 |
| Rusty Davidson's Ltd | Administrative & support | 2014 |
| SMR Automotive Mirror Parts and Holdings UK Limited | Financial services | 2000 |
| SMR Automotive Mirrors UK Limited | Manufacturing | 2000 |
| SMR Automotive Services Portchester Limited | Manufacturing | 1935 |
| SMR Mirrors UK Limited | Financial services | 2014 |
| Solent Connections Ltd | Other services | 2006 |
| ST. Mary's Tearoom Ltd | Hospitality | 2023 |
| Tennis 21 Limited | Education | 2020 |
| THE Tailored Group Limited | Construction | 2019 |
| THE Wedding Project Limited | Other services | 2008 |
| Treloan Barn Limited | Hospitality | 2018 |
| Trustees of the Platinum Care Solutions EOT Limited | Extraterritorial | 2025 |
| Turtle Tots South Coast & Solent Ltd | Arts & recreation | 2019 |
| Wifey Club Limited | Professional & scientific | 2024 |
| X-Seal Ltd | Manufacturing | 2003 |