| 99 Percent Limited | Professional & scientific | 2008 |
| Aletixa Limited | Information & communication | 2026 |
| Amulet Properties Limited | Households | 1999 |
| Bluebird IT Solutions Limited | Administrative & support | 2011 |
| Catek Distribution Limited | Construction | 1997 |
| Channelyze Ltd | Information & communication | 2021 |
| Chiltern Water Limited | Construction | 2003 |
| Clearwater Applications Ltd | Administrative & support | 2016 |
| Country House (Mens Wear) Limited | Wholesale & retail | 1973 |
| Ediplan Limited | Information & communication | 2003 |
| Elefant Growth Partners Limited | Professional & scientific | 2024 |
| First Floor (Fulham) Limited | Construction | 1994 |
| Fittran Limited | Administrative & support | 2012 |
| Fortexia Services Limited | Administrative & support | 2004 |
| Hatton Garden Landscapes (Bucks) Ltd | Construction | 2015 |
| HMA Creative Limited | Wholesale & retail | 2024 |
| Juno Financial Services Limited | Financial services | 2019 |
| KIM Bailey Racing Limited | Administrative & support | 2006 |
| LPB Builders Ltd | Construction | 2017 |
| Meri Parvento Interiors Limited | Professional & scientific | 2025 |
| Method UK Limited | Manufacturing | 2007 |
| Nigel G Hammond Limited | Professional & scientific | 2006 |
| Orchard Trustees Limited | Administrative & support | 2020 |
| PHORUM7 Limited | Administrative & support | 2008 |
| Pond Products UK Limited | Administrative & support | 2016 |
| Portobello Properties Limited | Construction | 2017 |
| Real Pet Supplies Ltd | Administrative & support | 2016 |
| Red FOX I.D. Limited | Administrative & support | 2011 |
| Sabcd Limited | Administrative & support | 2019 |
| Sandcrest Consulting Limited | Professional & scientific | 2015 |
| Sandford Trustees Ltd | Administrative & support | 2020 |
| Seven Stars Dinton Limited | Hospitality | 2011 |
| Shearman Consulting Limited | Professional & scientific | 2015 |
| Sterling Chase Associates Limited | Professional & scientific | 2004 |
| THE Chinnor Parish Pump Limited | Administrative & support | 2010 |
| Thinking Sky Blue Limited | Information & communication | 2020 |
| Valehill Estates Limited | Real estate | 2025 |
| Visualab Technology Limited | Administrative & support | 2023 |
| Westropp Media Limited | Wholesale & retail | 2024 |
| White Bear Developments Limited | Real estate | 2010 |
| Whitefield Associates Ltd | Professional & scientific | 2018 |