| Pedro Balan Ltd | Construction | 2019 |
| Pemf Centre Ltd | Health & social care | 1995 |
| Periwinkle Holdings Limited | Financial services | 2026 |
| Pippin Developments Limited | Construction | 2018 |
| Platinum Line Motors Ltd | Wholesale & retail | 2022 |
| Plummer Hall Properties Ltd | Real estate | 2024 |
| Priory Electrical Contractors Ltd | Construction | 2018 |
| Protect the Medics Ltd | Health & social care | 2020 |
| Quickmusic Limited | Arts & recreation | 2005 |
| R & a Howgego Limited | Agriculture & fishing | 2011 |
| R H Tiling Ltd | Construction | 2020 |
| Rainbow Place Limited | Construction | 2024 |
| Raskado Capital Limited | Other services | 2016 |
| Rcad Limited | Professional & scientific | 2013 |
| Redbrick Oxford Ltd | Real estate | 2025 |
| Regent Bars Limited | Hospitality | 1994 |
| Richards Education Ltd | Administrative & support | 2022 |
| Riviera Maritime Holdings Limited | Extraterritorial | 2015 |
| Russell Hoops Ltd | Arts & recreation | 2015 |
| S.D. Installations Limited | Construction | 1991 |
| S.D. Properties Limited | Other services | 1992 |
| Samsonstar Limited | Manufacturing | 1987 |
| Scott & Levins EOT Ltd | Financial services | 2024 |
| Seven Years Limited | Administrative & support | 2021 |
| Simutec Technologies Limited | Information & communication | 2026 |
| SLY Holdings Limited | Extraterritorial | 2016 |
| Sportlux Cars Ltd | Wholesale & retail | 2024 |
| Stellar Select Limited | Administrative & support | 2005 |
| Stephenson Advisors Limited | Other services | 2019 |
| Steve Poland Associates Limited | Administrative & support | 2013 |
| Sullivan Bros. (Construction) Limited | Construction | 1998 |
| Sullivan Brothers Acquisitions Limited | Financial services | 2021 |
| Supporting Together Co-Operative Limited | Health & social care | 2020 |
| THE Kilns (Saffron Walden) Ltd | Construction | 2016 |
| Thornbury Property Maintenance Ltd | Construction | 2016 |
| Trilogy Creative Limited | Information & communication | 2016 |
| Tungsten Music Limited | Administrative & support | 2013 |
| TYD Solutions Ltd | Construction | 2026 |
| Victoria Innovations Limited | Other services | 2016 |
| Volonic UK Ltd | Wholesale & retail | 2023 |
| Warneco Limited | Construction | 2013 |
| WEOWNNO28 Limited | Households | 2024 |
| White Beach Holidays Ltd | Administrative & support | 2002 |
| White Beach Rentals Limited | Administrative & support | 2024 |
| Woodland Construction London Limited | Construction | 2008 |
| Ytko EOT Limited | Financial services | 2024 |
| Ytko Group Limited | Professional & scientific | 2013 |
| Ytko Limited | Administrative & support | 1978 |