| Praslin Group (European) Company Limited | Professional & scientific | 2018 |
| Premises Consultants Limited | Professional & scientific | 2011 |
| Preyer Music Limited | Arts & recreation | 2014 |
| Priloise Ltd | Health & social care | 2017 |
| Primesparkav Ltd | Construction | 2024 |
| Print Green Campaign Limited | Administrative & support | 2024 |
| Priority Debt Solutions Ltd | Health & social care | 2024 |
| Priority Paving and Finishing Ltd | Financial services | 2019 |
| Prix Workout Ltd | Wholesale & retail | 2019 |
| Pro Formance Metals Limited | Wholesale & retail | 2010 |
| Pro-Line Direct Ltd | Wholesale & retail | 2021 |
| Pro-Seven Soccer Limited | Arts & recreation | 2012 |
| Pro-Vertical Limited | Information & communication | 2012 |
| Proactive Security Services Limited | Administrative & support | 2007 |
| Procare Plus Ltd | Professional & scientific | 2013 |
| Product Purpose Ltd | Professional & scientific | 2021 |
| Profast Demolition Ltd | Transport & logistics | 2024 |
| Proheatsurveys Ltd | Professional & scientific | 2026 |
| Prolon Industrial Limited | Professional & scientific | 1961 |
| Prom Restyle CIC | Health & social care | 2026 |
| Proper Tyres Limited | Wholesale & retail | 2019 |
| Propertypro Maintenance Ltd | Other services | 2025 |
| Propven NO.1 Limited | Real estate | 2017 |
| Propven NO.2 Limited | Real estate | 2017 |
| Propven NO.3 Limited | Real estate | 2024 |
| Propven NO.4 Limited | Real estate | 2025 |
| Propven NO.5 Limited | Real estate | 2025 |
| Propven NO.6 Limited | Real estate | 2025 |
| Prosec Consulting Ltd | Professional & scientific | 2019 |
| Protile Dominic Ayers Limited | Construction | 2014 |
| Provis Events Ltd | Administrative & support | 2019 |
| PSP Trans Limited | Transport & logistics | 2017 |
| Ptdl Limited | Transport & logistics | 2026 |
| Pulsestone Ltd | Information & communication | 2021 |
| Pupminders Ltd | Other services | 2022 |
| Pure HR Solutions Ltd | Administrative & support | 2025 |
| Puremaintenanceuk Ltd | Administrative & support | 2017 |
| Purepropertyrental Limited | Real estate | 2024 |
| Purple Igloo Ltd | Professional & scientific | 2018 |
| Purplemaxx Ltd | Wholesale & retail | 2016 |
| Purrfectly Limited | Professional & scientific | 2023 |
| Pxtrade Limited | Wholesale & retail | 2025 |
| Pym&Johnsonpropertysolutions Ltd | Real estate | 2024 |
| Qilin Marine International Co., Ltd | Professional & scientific | 2016 |
| Quality Embedded Software Limited | Information & communication | 2016 |
| Qube Estates Ltd | Real estate | 2024 |
| Quick Axis Limited | Manufacturing | 2008 |
| Quick Transport Solution Ltd | Wholesale & retail | 2025 |
| Quickmed Connections Limited | Wholesale & retail | 2023 |
| Quinn's 2026 Trading Limited | Wholesale & retail | 2007 |
| Quinyx UK Limited | Information & communication | 2014 |
| R & D Clarke Precision Engineers Limited | Manufacturing | 2005 |
| R & D Transmissions Limited | Manufacturing | 2016 |
| R & M Sprinkler Installations Ltd | Public administration | 2000 |
| R and D Motorsport Limited | Professional & scientific | 1999 |
| R&C Motorsport Ltd | Wholesale & retail | 2018 |
| R.Haynes Construction Ltd | Construction | 2018 |
| RACE2RECYCLE Ltd | Professional & scientific | 2025 |
| RAD Auto Emporium Ltd | Wholesale & retail | 2022 |
| Radiasun International Group Ltd. | Professional & scientific | 2007 |
| Radstone Assets LLP | | 2013 |
| Radstone Projects Limited | Real estate | 2013 |
| RAE White Communications Limited | Professional & scientific | 2018 |
| Rainch International Limited | Professional & scientific | 2010 |
| Rainmaker Pictures Limited | Administrative & support | 2016 |
| RAM Safety Ltd | Professional & scientific | 2025 |
| Rasca Ltd | Transport & logistics | 2013 |
| Rascals Uniform Ltd | Wholesale & retail | 2025 |
| Rasi Services Group Ltd | Information & communication | 2025 |
| Ravenscliffe Property Limited | Real estate | 1935 |
| Razorleaf Limited | Professional & scientific | 2017 |
| RB Beds Ltd | Wholesale & retail | 2024 |
| RBD Warehouse Ltd | Wholesale & retail | 2010 |
| RCG Investments Ltd | Wholesale & retail | 2019 |
| RCP Ceramic Tiling Limited | Manufacturing | 2022 |
| RE Filters Ltd | Extraterritorial | 2013 |
| Re-Ma Transport Ltd | Extraterritorial | 2017 |
| Reach for Health Strategic Ltd | Health & social care | 2022 |
| Ready 2 Go Limited | Administrative & support | 2009 |
| Realag Ltd | Agriculture & fishing | 2024 |
| Really Awesome Factory Ltd | Information & communication | 2023 |
| Rebox HR Ltd | Administrative & support | 2019 |
| Red Arch Engineering Limited | Professional & scientific | 2006 |
| Red Arch Engineering Services Ltd | Professional & scientific | 1996 |
| Red Arch Holdings Limited | Financial services | 2023 |
| Red Arch Manufacturing Limited | Manufacturing | 2010 |
| Red Coral Group Ltd | Real estate | 2022 |
| Red Lion (Junction 16) Limited | Hospitality | 2002 |
| Red Lion at Hellidon Ltd | Hospitality | 2019 |
| Red-R Performance Ltd | Wholesale & retail | 2025 |
| Redivac Limited | Construction | 2002 |
| Rediweld Holdings Limited | Professional & scientific | 2003 |
| Rediweld Limited | Professional & scientific | 1981 |
| Rediweld Rubber & Plastics Limited | Manufacturing | 1985 |
| Reeve Transport Solutions Ltd | Transport & logistics | 2020 |
| Refine and Progress Tutoring Ltd | Education | 2025 |
| Reflections Automotive Ltd | Wholesale & retail | 2026 |
| Refulgens Limited | Professional & scientific | 2017 |
| Regalo Electronic Limited | Professional & scientific | 2008 |
| Regen Renewables (Holdings) Ltd | Financial services | 2024 |