| Prosperty LUX Ltd | Wholesale & retail | 2016 |
| Provitavit Limited | Manufacturing | 2020 |
| Provocative Opulence Limited | Real estate | 2023 |
| Psqc Ltd | Professional & scientific | 2019 |
| Psychology for Wellbeing Limited | Health & social care | 2021 |
| Pulse Creative Studio Limited | Professional & scientific | 2013 |
| Pulse Water Limited | Professional & scientific | 2021 |
| Pumacrown Limited | Professional & scientific | 1992 |
| Punctual Precision Tooling Holdings Limited | Administrative & support | 2004 |
| Punjab Services Limited | Wholesale & retail | 2024 |
| Pure Eleven Property Ltd | Construction | 2024 |
| Pure Pawfection Ltd | Other services | 2021 |
| Push Performance Ltd. | Arts & recreation | 2011 |
| PVS Propco Ltd | Real estate | 2018 |
| Qartol 04 Ltd | Hospitality | 2019 |
| QMD Supplements Co Ltd | Wholesale & retail | 2025 |
| QS Heating Solutions Limited | Construction | 2021 |
| Quails Gate Limited | Professional & scientific | 2014 |
| Quality Commercial Cleaning Ltd | Administrative & support | 2010 |
| Quality Stay Ltd | Real estate | 2019 |
| Quantum Build Limited | Construction | 2006 |
| Quantum Builders Limited | Construction | 2006 |
| Quarry Café & Fridge CIC | Manufacturing | 2022 |
| Quattro Property Investments Ltd | Real estate | 2019 |
| Queens Road (East Grinstead) Management Limited | Households | 2001 |
| Queensmere House Limited | Real estate | 2017 |
| Quest Connect Ltd | Health & social care | 2023 |
| Questcall Publishing Limited | Professional & scientific | 1999 |
| Questor UK Ltd. | Other services | 1991 |
| Quick Stop Vape Shop Ltd | Wholesale & retail | 2025 |
| Quirst Ltd | Professional & scientific | 2010 |
| Quotal Ltd | Information & communication | 2026 |
| R & B Tunnelling Limited | Construction | 2012 |
| R & BRO Ltd | Wholesale & retail | 2023 |
| R L C Associates Limited | Other services | 1994 |
| R&J Brothers Ltd | Construction | 2023 |
| R&T Retail Ltd | Wholesale & retail | 2023 |
| R.A Garden Services and Maintenance Ltd | Administrative & support | 2022 |
| R.B. Designs Limited | Professional & scientific | 1987 |
| R.G. Fire Safety Consultants Ltd | Public administration | 2009 |
| R2G Consulting LLP | | 2013 |
| R8 Limited | Professional & scientific | 2021 |
| Race by Design UK Limited | Wholesale & retail | 2011 |
| Radco Limited | Professional & scientific | 2006 |
| Radiant Blinds Limited | Manufacturing | 2003 |
| Radio Plymouth Limited | Information & communication | 2022 |
| Raffertys and Associates Ltd | Professional & scientific | 2013 |
| Railway Approach Catering Limited | Real estate | 2022 |
| Rainbow Commissioning Limited | Administrative & support | 2024 |
| Raising Young Farmers CIC | Education | 2021 |
| Ravenswood Venue Limited | Hospitality | 2019 |
| Ravenswood Venue Properties Ltd | Hospitality | 2017 |
| Ravenwood Venue Ltd | Hospitality | 2022 |
| Rawat Property Enterprises Ltd | Real estate | 2015 |
| RB Aviation Safety Consultancy Limited | Other services | 2016 |
| RB Export Company Limited | Professional & scientific | 2010 |
| Rcsb Group Ltd | Construction | 2012 |
| Reads Property Consultancy Limited | Real estate | 2017 |
| Real Estate Matters Limited | Professional & scientific | 2019 |
| Real Life Software Limited | Information & communication | 1999 |
| Rebel Inc. Tattoo Lounge Ltd | Hospitality | 2023 |
| Rebound Therapy International Ltd | Education | 2018 |
| Recelia Ltd | Wholesale & retail | 2025 |
| Recreative Signs Ltd | Manufacturing | 2015 |
| Recrovita Health Ltd. | Wholesale & retail | 2021 |
| Recruit AI Limited | Administrative & support | 2023 |
| Recyctech Ltd | Information & communication | 2026 |
| Red DOT Consulting Ltd | Information & communication | 2019 |
| Red Lion Chambers Limited | Administrative & support | 1996 |
| Red Sun Bars Limited | Hospitality | 2008 |
| Redburn Ltd | Administrative & support | 2018 |
| Redgate Specialist Finance Limited | Financial services | 2022 |
| Redwood Kitchen Installations Ltd | Construction | 2026 |
| Regal House EG Limited | Households | 2017 |
| Regal Roofing Supplies Limited | Extraterritorial | 2007 |
| Reigate Contractors Ltd | Construction | 2024 |
| Reimer Property & Accommodation Ltd | Real estate | 2022 |
| Reinventing the Wheel LLP | | 2025 |
| Rejoice Consultancy Ltd | Administrative & support | 2024 |
| Rejoice Travels Ltd | Transport & logistics | 2026 |
| Relens Your Specs Ltd | Other services | 2006 |
| Relic London Ltd | Wholesale & retail | 2022 |
| Relpeace Limited | Other services | 2010 |
| Renegade Mountain Bike Company Limited(The) | Extraterritorial | 1985 |
| Renmark Cars Ltd | Wholesale & retail | 2011 |
| Rennie Decorating Services Limited | Construction | 2004 |
| Reputation Leaders Ltd | Professional & scientific | 2013 |
| Reputation Leaders UK & Europe Ltd | Professional & scientific | 2025 |
| Retail Reflections Ltd | Professional & scientific | 2017 |
| Retrend Ltd | Wholesale & retail | 2025 |
| RF Day Ltd | Professional & scientific | 2026 |
| RGM Media Ltd | Information & communication | 2015 |
| RGN D Watts Limited | Public administration | 2020 |
| RH Jade Limited | Hospitality | 2024 |
| RH19 Consultancy Ltd | Professional & scientific | 2025 |
| Rhino Art Limited | Wholesale & retail | 2025 |
| Rhopoint Components Limited | Wholesale & retail | 1997 |
| Rhopoint Holdings Limited | Financial services | 2005 |
| Rhopoint Instruments Holdings Limited | Financial services | 2024 |
| Rhopoint Instruments Limited | Manufacturing | 1986 |