| Overcroft Services Ltd | Extraterritorial | 2026 |
| Pachesham Equestrian Centre Ltd | Real estate | 2023 |
| PIP Holdings Ltd | Administrative & support | 2024 |
| PMB Consulting Services Limited | Professional & scientific | 2021 |
| Prentis Social Enterprise Limited | Administrative & support | 2011 |
| Prentis Solutions Ltd | Administrative & support | 2007 |
| Prodyna UK Limited | Information & communication | 2017 |
| RAE Racks Ltd | Professional & scientific | 2025 |
| Redlaw Recruitment Limited | Administrative & support | 2009 |
| Roscolab Limited | Wholesale & retail | 1973 |
| Russell Garden Supplies Limited | Professional & scientific | 1986 |
| SA Bagga Properties Ltd | Real estate | 2019 |
| Sage Urology Limited | Health & social care | 2017 |
| Sammy Holdings Limited | Real estate | 2023 |
| Sanibel Investments Limited | Administrative & support | 1988 |
| Scott Knight Investments Ltd | Financial services | 2020 |
| Shiji (UK) Limited | Information & communication | 2012 |
| SMILE9 Lincoln Ltd | Health & social care | 2025 |
| SMILE9 Properties Ltd | Real estate | 2025 |
| Smiles Ahead (Corby) Limited | Health & social care | 2006 |
| Sobell Rhodes Management Consulting Limited | Professional & scientific | 2006 |
| Sobell Rhodes Wealth Management Limited | Financial services | 2009 |
| Solaris Real Limited | Construction | 2007 |
| SR Data & Cyber Security Ltd | Information & communication | 2018 |
| Steinest Properties Ltd | Real estate | 2022 |
| Studio Margot Ltd | Information & communication | 2021 |
| Sunshine Properties Limited | Real estate | 1956 |
| THE Keto Goodies Company Ltd | Information & communication | 2020 |
| Thornton Property Company Limited | Real estate | 2006 |
| Transcontinenta UK Ltd. | Other services | 2018 |
| Trialene Products Ltd | Manufacturing | 2025 |
| Trinity Oaks Properties Ltd | Construction | 2026 |
| Trovant Capital Limited | Administrative & support | 2019 |
| Victory Lighting (UK) Limited | Manufacturing | 1991 |
| Victory Property Limited | Real estate | 2017 |
| Vitrac Publishing and Events Ltd | Information & communication | 2010 |
| Warwick Wold Waters Ltd | Arts & recreation | 2007 |
| Waspeling Limited | Professional & scientific | 2019 |
| WE ARE Twinset Limited | Other services | 2020 |
| Wigwoman Ltd | Information & communication | 2008 |
| Woodhead 17 Ltd | Hospitality | 2014 |
| Woodhead Restaurant Group Ltd | Hospitality | 2017 |
| Xiii Investments Ltd | Real estate | 2021 |
| Xiii Limited | Professional & scientific | 2015 |
| Zans Snooker & Pool Ltd | Arts & recreation | 2022 |