| SW Sports Ltd | Arts & recreation | 2023 |
| Swann Hospitality Limited | Hospitality | 2024 |
| Swansfield Advisory Ltd | Professional & scientific | 2021 |
| Swindon Cadrive Ltd | Administrative & support | 2024 |
| Switch Link Ltd | Construction | 2021 |
| SYC II JV2 LLP | | 2010 |
| SYC II JV4 LLP | | 2010 |
| SYC II JV5 LLP | | 2010 |
| Sycamore II Nominees Limited | Real estate | 2008 |
| Sycamore V Property Development Fund LP | | 2010 |
| Sydney Charles UK LLP | | 2006 |
| T & D Russell Properties Limited | Real estate | 2024 |
| T & G Godalming Limited | Other services | 2023 |
| T Neal Limited | Professional & scientific | 2003 |
| T. Baker (Junr) Limited | Wholesale & retail | 1952 |
| T.D.S. Saddlers Limited | Wholesale & retail | 1998 |
| T.E.C.C. Services Limited | Professional & scientific | 1988 |
| T.Q.O.E Limited | Financial services | 2014 |
| Table Background Ltd | Public administration | 2019 |
| Tack Room at Eden Equine Ltd | Wholesale & retail | 2024 |
| Tactical Systems Designers Limited | Information & communication | 2002 |
| Taff Maintenance Ltd | Energy | 2025 |
| Taifan Contractors Ltd | Construction | 2010 |
| Tailwind Leadership Ltd | Professional & scientific | 2026 |
| Talbot & Co (Coal Merchants) Ltd | Wholesale & retail | 2013 |
| Talsoft Property Investments Limited | Real estate | 2018 |
| Talsoft Solutions Limited | Information & communication | 2014 |
| Tama U.K. Limited | Agriculture & fishing | 1995 |
| Tarakan Worldwide Limited | Professional & scientific | 2013 |
| Tarumi Developments Limited | Construction | 2018 |
| Tasneem Ltd | Real estate | 2024 |
| Taunton (T) Hairdressing Limited | Other services | 2022 |
| Taylor Harrison Limited | Administrative & support | 1999 |
| Taylored Beauty Ltd | Other services | 2012 |
| TBR 1994 Ltd | Financial services | 2023 |
| Tcat Contracts Ltd | Professional & scientific | 2026 |
| TCC 2 SPV Ltd | Information & communication | 2024 |
| TCC SPV Ltd | Arts & recreation | 2023 |
| TD9898 Limited | Other services | 2024 |
| TE Property Investments Ltd | Real estate | 2026 |
| Tech Engineering Systems Ltd | Professional & scientific | 2011 |
| Tectonics UK Ltd | Manufacturing | 2002 |
| Teddington (T) Hairdressing Limited | Other services | 2003 |
| Tek-Tanks Limited | Manufacturing | 1999 |
| Teknimek Limited | Manufacturing | 2013 |
| Tempus Tax Ltd | Professional & scientific | 2010 |
| TEN TUN Brew House Limited | Manufacturing | 2023 |
| TEN TUN TAP House Limited | Hospitality | 2019 |
| Tennis Euphoria Limited | Education | 2026 |
| Tensixty Kitchens Limited | Construction | 2023 |
| Terl Investments | Financial services | 2013 |
| Terry Toms and Partners Ltd | Professional & scientific | 2012 |
| Test & TAG Limited | Construction | 2014 |
| Testo Limited | Manufacturing | 1982 |
| Tggr Ltd | Health & social care | 2022 |
| Thatchers Construction Limited | Real estate | 2021 |
| THE Aerogen Company Limited | Manufacturing | 1988 |
| THE Aerogen International Limited | Professional & scientific | 2005 |
| THE Animal Health Company Limited | Wholesale & retail | 1990 |
| THE Aura Sudbury Ltd | Hospitality | 2019 |
| THE Avenue by Carnaby LLP | | 2024 |
| THE Basingstoke and Alton Cardiac Rehabilitation Charity Limited | Health & social care | 1992 |
| THE Basingstoke and Alton Cardiac Rehabilitation Enterprises Limited | Wholesale & retail | 1993 |
| THE Bedding Sand Company Limited | Wholesale & retail | 2012 |
| THE Braybrooke PUB Company Limited | Hospitality | 2018 |
| THE Brightstone Management Company Limited | Households | 1993 |
| THE Broomfield Group Ltd | Real estate | 2013 |
| THE Building and Management Consultancy Ltd | Construction | 2016 |
| THE Bumbles Factory Ltd | Professional & scientific | 2020 |
| THE Car Loan Warehouse Ltd | Financial services | 2012 |
| THE Chimes Residents Association Limited | Households | 1989 |
| THE Collection (UK) Limited | Professional & scientific | 2000 |
| THE Composites Shop Ltd | Manufacturing | 2022 |
| THE Country Candle Company Ltd | Manufacturing | 2011 |
| THE Crescent Medstead Management Company Limited | Households | 2013 |
| THE Crown PUB and Hotel Ltd | Hospitality | 2026 |
| THE Cute Little Kitchen Company Limited | Manufacturing | 2020 |
| THE Cutting Room (Alton) Ltd | Other services | 2014 |
| THE Departure Lounge Cafe Limited | Hospitality | 2017 |
| THE Directory Group Limited | Information & communication | 2025 |
| THE Edit by Rose George Design Studio Limited | Professional & scientific | 2026 |
| THE Emotional Athlete Ltd | Administrative & support | 2015 |
| THE EV Directory Ltd | Information & communication | 2025 |
| THE Firs (Four Marks) Management Company Limited | Households | 2008 |
| THE Flooring Depot (South) Limited | Wholesale & retail | 2007 |
| THE Frame Centre (UK) Limited | Manufacturing | 2013 |
| THE Frank Group Limited | Professional & scientific | 2016 |
| THE Friends of Music in Winchester | Professional & scientific | 2006 |
| THE Garden of Eden Cafe Ltd | Wholesale & retail | 2024 |
| THE Gliding Heritage Centre | Arts & recreation | 2012 |
| THE Good Plastering Company Limited | Construction | 2015 |
| THE Grain House Trust | Other services | 2002 |
| THE Hampshire Building Company Limited | Construction | 2015 |
| THE Heating Store Ltd | Wholesale & retail | 2023 |
| THE Iron Sprue Limited | Wholesale & retail | 2026 |
| THE Jewellery & Watch Company Limited | Wholesale & retail | 2023 |
| THE Kenelm Youth Trust Limited | Education | 2011 |
| THE Kennet Crayfish Company Ltd | Manufacturing | 2022 |
| THE Leonard R. Sugerman Press Limited | Information & communication | 2008 |
| THE London Carpet Company Limited | Wholesale & retail | 2016 |