| Sound Marketing Ltd | Administrative & support | 2015 |
| Southern Swords Limited | Arts & recreation | 2013 |
| Speen Ltd | Wholesale & retail | 2026 |
| SPH (Groundwork Contractors) Limited | Construction | 1989 |
| SPO37 Consulting Ltd | Professional & scientific | 2026 |
| Sportee Limited | Wholesale & retail | 2005 |
| SR Historic Environment Ltd | Professional & scientific | 2011 |
| SRU ECS Limited | Professional & scientific | 2011 |
| Stanley Hart Consultancy Services Ltd | Professional & scientific | 2013 |
| Star Property Associates Limited | Real estate | 2018 |
| Starwood Animal Transport Limited | Other services | 2013 |
| Steps & Roots Limited | Real estate | 2023 |
| Stocken Farm Ltd | Agriculture & fishing | 2019 |
| Stone and Stone Property Ltd | Real estate | 2016 |
| Stone Specialists Limited | Construction | 2007 |
| Stones and Spires Limited | Administrative & support | 2026 |
| Strategy Dynamics Limited | Information & communication | 2007 |
| Strategy Partners (Henley) Limited | Administrative & support | 2002 |
| Stratton's Choice Ltd | Wholesale & retail | 2026 |
| Strider's UP 4 Grabs Ltd | Transport & logistics | 2020 |
| Stuart Jagot Change and Transition Associates Limited | Administrative & support | 2020 |
| Stuart Knight Consulting Limited | Wholesale & retail | 1992 |
| Stuart Thompson Advisory Ltd | Professional & scientific | 2024 |
| Studio Tiainen Ltd | Professional & scientific | 2026 |
| Studio Twelve Reformer Pilates Ltd | Other services | 2025 |
| Sunley Graphic Solutions Limited | Other services | 2015 |
| Sunpark Ltd | Real estate | 2021 |
| Sunset Court Management Company Limited | Households | 2023 |
| Superior Painting Decorating Ltd | Construction | 2017 |
| Surf Cinema Ltd | Information & communication | 2025 |
| Surrey and Hants Scaffolding Limited | Construction | 2019 |
| Sweet Planet Prouductz Limited | Manufacturing | 2025 |
| Swift Car Hire Corporation Limited | Transport & logistics | 2014 |
| Tack Creative Limited | Information & communication | 2024 |
| Talastar Digital Ltd | Information & communication | 2026 |
| Tandoori Oven Limited | Manufacturing | 2003 |
| Tardis Capital Infrastructure NO.1 Limited | Financial services | 2023 |
| Tardis Capital Infrastructure NO.2 Limited | Financial services | 2024 |
| Taste Your Life Limited | Health & social care | 2020 |
| Teabury Ltd | Manufacturing | 2017 |
| Technical Service Consulting Ltd | Professional & scientific | 2018 |
| Technology Handling Specialist Ltd | Transport & logistics | 2023 |
| Televisual Services Ltd | Information & communication | 2019 |
| Temple Park (Hurley) Limited | Real estate | 2017 |
| Test-Tech Fibre Services Ltd | Professional & scientific | 2017 |
| TGC Building & Property Maintenance Ltd | Construction | 2003 |
| THE Abundant Mind Ltd | Administrative & support | 2005 |
| THE Antelope Limited | Hospitality | 2026 |
| THE Clinic @ Risborough Ltd. | Health & social care | 2019 |
| THE Cosy Caterer Ltd | Hospitality | 2023 |
| THE Countryside Investments Ltd | Real estate | 2021 |
| THE Daisy Chain and Occasions Limited | Wholesale & retail | 2008 |
| THE Dog Works Grooming Salon Ltd | Other services | 2026 |
| THE Elms (Longwick) Limited | Extraterritorial | 1998 |
| THE Family Key Ltd | Real estate | 2025 |
| THE Furniture Recycling Company (UK) Ltd | Water & waste | 2007 |
| THE Green Reaper Limited | Wholesale & retail | 2005 |
| THE Hornbrokers Ltd | Arts & recreation | 2025 |
| THE Horse Trust | Professional & scientific | 1938 |
| THE Horse Trust Trading Company Limited | Hospitality | 2013 |
| THE House of Bouche Limited | Financial services | 2025 |
| THE Hub Care Support Ltd | Administrative & support | 2012 |
| THE Kingsway Partnership Limited | Real estate | 1994 |
| THE Lions of Bledlow Limited | Hospitality | 1995 |
| THE Old Paper Mill Management Co. Ltd | Households | 2004 |
| THE Plough at Cadsden Ltd | Wholesale & retail | 2016 |
| THE Princes Risborough Centre Ltd. | Health & social care | 2012 |
| THE Sculpture School Limited | Education | 2012 |
| THE Search Party Conference & Events Limited | Administrative & support | 2026 |
| THE Sheen BED Company Limited | Wholesale & retail | 2007 |
| THE Shimmer Index Ltd | Information & communication | 2026 |
| Their Life in OUR Hands Limited | Wholesale & retail | 2019 |
| Thepartypourers Ltd | Hospitality | 2026 |
| Thetechnicalpeople Ltd | Information & communication | 2012 |
| Thethreecrownsaskett Limited | Extraterritorial | 2008 |
| Third Sector Consulting Limited | Professional & scientific | 2022 |
| Threefold Media Limited | Professional & scientific | 2003 |
| TIN Tonic Company Limited | Administrative & support | 2019 |
| TM Trade Services Ltd | Construction | 2026 |
| TOM Barclay Racing Limited | Wholesale & retail | 2016 |
| Tommy Nutter Limited | Wholesale & retail | 2021 |
| Total Golf Nutrition Ltd | Extraterritorial | 2021 |
| Total Training Solutions & Consultancy Ltd | Education | 2010 |
| Town Farm Management Company Limited | Real estate | 2002 |
| Treehouse Education Limited | Education | 2024 |
| Triglyph Masonry Limited | Construction | 2015 |
| Trilogy Interiors Limited | Other services | 1997 |
| Trout Hollow Residents Limited | Households | 1997 |
| Truce.Earth Limited | Professional & scientific | 2022 |
| Two Camels Investments Ltd | Real estate | 2020 |
| Ulph Enterprises Limited | Professional & scientific | 2023 |
| Ultimate Speed Limited | Arts & recreation | 2006 |
| Ultratech Data Limited | Information & communication | 1993 |
| Unity Digital Solutions Ltd | Information & communication | 2025 |
| Universal Property Developers Limited | Real estate | 2005 |
| UPSTARTS4STARTUPS Limited | Administrative & support | 2017 |
| Varpa Labs Limited | Information & communication | 2026 |
| VC 001 Ltd | Wholesale & retail | 2023 |
| VC 002 Ltd | Wholesale & retail | 2023 |
| VC 003 Ltd | Wholesale & retail | 2023 |