| African Bespoke Carpentry Limited | Manufacturing | 2024 |
| Agtc Ltd | Wholesale & retail | 2013 |
| Alert Applications Ltd | Information & communication | 2001 |
| Ascot Build & Design Ltd | Construction | 2011 |
| Bathstone Property Services Ltd | Construction | 2008 |
| Binns Consulting Ltd | Information & communication | 2025 |
| Black Box Human Factors Limited | Professional & scientific | 2021 |
| Blue Hill Consulting Limited | Professional & scientific | 2012 |
| Castrol Limited | Professional & scientific | 1918 |
| Cheylesmore Estates Limited | Real estate | 2009 |
| Clifton Insurance Consultants Ltd | Financial services | 2012 |
| Cloud Nine Podiatry Limited | Health & social care | 2026 |
| Colonial Farms Limited | Agriculture & fishing | 2001 |
| Cpsa Properties Limited | Real estate | 2011 |
| Dynamic Asset Recovery Ltd | Information & communication | 2011 |
| First Technology Holdings Ltd | Information & communication | 2021 |
| FOR Health Chiropractic Limited | Health & social care | 2007 |
| G & J Harms Limited | Financial services | 2008 |
| Gssec Ltd | Financial services | 2012 |
| Hanatomic Engineering Support Limited | Extraterritorial | 1997 |
| Havoc Entertainment Ltd | Administrative & support | 2017 |
| Hazell and Jefferies (Tarmac) Limited | Professional & scientific | 2002 |
| Hazell and Jefferies Farms Limited | Agriculture & fishing | 2002 |
| Hazell and Jefferies Limited | Water & waste | 1971 |
| High Street Dental Practice (Pangbourne) Limited | Health & social care | 2010 |
| Hine Meats Limited | Manufacturing | 1984 |
| Holden Enterprises Ltd | Other services | 2023 |
| Jack of ALL Trading Limited | Wholesale & retail | 2016 |
| JPP Land Limited | Real estate | 2011 |
| Laplace Building Solutions (South) Limited | Manufacturing | 1984 |
| Lindsay Smith Studios Limited | Professional & scientific | 1970 |
| London BUS Hire Limited | Transport & logistics | 2024 |
| London Vintage Transport Limited | Transport & logistics | 2017 |
| Lyle House Property Services Limited | Households | 1994 |
| Nail Bar (RG19) Limited | Other services | 2022 |
| Oakingham Stud Ltd | Agriculture & fishing | 2010 |
| P & D Lydon Construction (UK) Limited | Construction | 2009 |
| Paul O'Loughlin Ltd | Financial services | 2015 |
| Premier Heating Solutions Limited | Construction | 2005 |
| Pridelord Limited | | 1984 |
| Pro - TAR Surfacing Ltd | Construction | 2010 |
| Reedley Mews Management Company Limited | Households | 2013 |
| Rent a Routemaster Limited | Transport & logistics | 2015 |
| RGS Enterprises Limited | Administrative & support | 2015 |
| Showpiece Design Holdings Limited | Financial services | 2017 |
| Showpiece Design Limited | Wholesale & retail | 1989 |
| Sowmac Investments Limited | Real estate | 1965 |
| Spice Town Restaurants Ltd | Hospitality | 2019 |
| ST Electronics Ltd | Manufacturing | 2014 |
| Straights Direct Limited | Wholesale & retail | 1993 |
| Subotics Ltd. | Mining & quarrying | 2016 |
| THE Governance Academy Ltd | Education | 2019 |
| VAG Autoworks Ltd | Wholesale & retail | 2011 |
| Viking Consultancy Services Limited | Professional & scientific | 2015 |
| Wallingford Wellbeing Clinic Limited | Health & social care | 2025 |
| Whitman Building Services Ltd | Construction | 2013 |
| XP Engineering Services Limited | Extraterritorial | 2000 |