| ROB Douglas Carpentry Limited | Manufacturing | 2019 |
| Rockingham Parade (Management) Limited | Households | 2006 |
| Rockland Aggregates Limited | Manufacturing | 2017 |
| Rockland Cement Limited | Manufacturing | 2017 |
| Rockland Concrete Limited | Manufacturing | 2017 |
| Rockland Flooring Limited | Manufacturing | 2020 |
| Rockland Group Limited | Manufacturing | 2017 |
| Rockland Precast Limited | Manufacturing | 2020 |
| Rockland Quarries Limited | Manufacturing | 2017 |
| Royston Hart Limited | Administrative & support | 1971 |
| RTD2 Limited | Professional & scientific | 2015 |
| S R Estate Holding Limited | Real estate | 2021 |
| S T Hudson Limited | Real estate | 2014 |
| Shangeetha Ltd | Wholesale & retail | 2017 |
| Shepperton Accessories Ltd | Wholesale & retail | 2020 |
| Simpsons Paints Limited | Wholesale & retail | 1937 |
| SNG Plastering Limited | Construction | 2019 |
| Springtime Services Limited | Administrative & support | 1992 |
| Spritz Cleaning Services Ltd | Administrative & support | 2026 |
| SRC Trading Limited | Wholesale & retail | 2010 |
| Stampwell Farm Ltd | Real estate | 2012 |
| Studio Plus Limited | Real estate | 1985 |
| SVE Ltd | Transport & logistics | 2016 |
| Techcom Ltd | Information & communication | 2017 |
| Thame Phones Ltd | Wholesale & retail | 2021 |
| THE Bury Meadows Freehold Company Limited | Households | 2007 |
| THE Chalfonts PCN Limited | Health & social care | 2020 |
| THE Vintage Allure Limited | Wholesale & retail | 2025 |
| Three Monkeys Ltd | Arts & recreation | 2013 |
| Tide Rising Ltd | Hospitality | 2020 |
| Tudor Equestrian Limited | Agriculture & fishing | 2010 |
| Upton Upton Upton LLP | | 2006 |
| Vertu London Ltd | Wholesale & retail | 2024 |
| Vigilante Music Limited | Manufacturing | 2007 |
| WE ARE Family Agency Ltd | Professional & scientific | 2024 |
| WE ARE Family Europe LLP | | 2020 |
| WE Dry-Clean Ltd | Other services | 2008 |
| We'Re Holding on Ltd | Financial services | 2017 |
| Winspire Consulting Ltd | Administrative & support | 2016 |
| Youngs Service & Repair Centre Ltd | Wholesale & retail | 1993 |
| ZG Lighting (UK) Limited | Other services | 1993 |