| Ramgen Property Ltd | Real estate | 2024 |
| Ramlat Limited | Health & social care | 2018 |
| Ramman Golf Holdings Limited | Financial services | 2021 |
| Ramp 1 Warrington CIC | Arts & recreation | 2018 |
| Rampal 1 UK Ltd | Wholesale & retail | 2026 |
| Rampal Retail Ltd | Wholesale & retail | 2026 |
| Rampworx Youth Village 2000 | Arts & recreation | 2002 |
| Ramsa Cladding Solutions Ltd | Construction | 2025 |
| Ramsons Nutraceutical Limited | Hospitality | 2023 |
| Ramyar Barber Ltd | Other services | 2025 |
| Ramyramz Limited | Transport & logistics | 2025 |
| RAN Property Holdings Limited | Real estate | 2022 |
| RAN Rhyl Limited | Professional & scientific | 2026 |
| Rana Muhammad Abid Ltd | Wholesale & retail | 2025 |
| Rana Verde Limited | Other services | 2014 |
| Ranchers Walton Ltd | Hospitality | 2024 |
| Randle Mews Right to Manage Company Limited | Administrative & support | 2013 |
| Randoms Stock Clearance Ltd | Wholesale & retail | 2019 |
| Randoms Trading Ltd | Wholesale & retail | 2026 |
| Ranelagh Lodge Management Company Limited | Households | 2005 |
| Rang Daye Limited | Wholesale & retail | 2024 |
| Rangecookers.Shop Ltd | Wholesale & retail | 2023 |
| Ranie Saidi Limited | Hospitality | 2024 |
| Rankin View Ltd | Real estate | 2022 |
| Rankins Media Ltd | Manufacturing | 2020 |
| Ranne Property Limited | Real estate | 2010 |
| Ranslett Court Ltd | Households | 2017 |
| Ransom Naturals Limited | Manufacturing | 2011 |
| Ranss Ltd | Wholesale & retail | 2015 |
| Rantro PVT Ltd | Professional & scientific | 2025 |
| Ranya Sewing Ltd | Wholesale & retail | 2026 |
| Ranya Tailors Ltd | Wholesale & retail | 2025 |
| Raohamza Ltd | Wholesale & retail | 2025 |
| RAP Electrical Contractors Limited | Construction | 2016 |
| RAP Property Group Ltd | Real estate | 2018 |
| Raphael Furnishing Company Limited | Wholesale & retail | 2006 |
| RAPHY07 Limited | Agriculture & fishing | 2023 |
| Rapid (NW) Limited | Administrative & support | 2011 |
| Rapid Bathrooms Limited | Construction | 2022 |
| Rapid Computers Limited | Information & communication | 1980 |
| Rapid Electrical Compliance Ltd | Construction | 2022 |
| Rapid Enterprise Solutions Limited | Information & communication | 2013 |
| Rapid Hire Holdings Ltd | Administrative & support | 2023 |
| Rapid Property Housing Limited | Real estate | 2017 |
| Rapid Property Services Ltd | Construction | 2019 |
| Rapid Property Services NW Ltd | Construction | 2023 |
| Rapid Resourcing Ltd | Professional & scientific | 2024 |
| Rapid Response Boiler Repairs Ltd | Construction | 2021 |
| Rapid Response Drainage Ltd | Water & waste | 2026 |
| Rapid Response Recovery Group Ltd | Transport & logistics | 2025 |
| Rapid Roadways UK Ltd | Transport & logistics | 2025 |
| Rapid Splashbacks Limited | Manufacturing | 2025 |
| Rapid Tree Care Ltd | Administrative & support | 2022 |
| Rapid Vehicle Management Limited | Administrative & support | 2006 |
| Rapidd Paints Limited | Professional & scientific | 2024 |
| Rapidlock Liverpool Ltd | Manufacturing | 2025 |
| Rapidnet Limited | Information & communication | 1996 |
| Rapidproservices Ltd | Administrative & support | 2025 |
| Rapira Group Ltd | Construction | 2025 |
| Rapti Properties Limited | Real estate | 2021 |
| Raptor SE Investments Ltd | Real estate | 2013 |
| Rare Earth Innovations Limited | Professional & scientific | 2024 |
| Rare Liverpool Limited | Education | 2019 |
| Rarehire Limited | Transport & logistics | 1990 |
| Raring Stars Ltd | Health & social care | 2022 |
| RAS 148 Food Limited | Hospitality | 2023 |
| RAS DIY Limited | Construction | 2022 |
| Ras&R Homes Ltd | Construction | 2025 |
| Rascasse Investments Limited | Real estate | 2017 |
| Rash's Convenience Ltd | Wholesale & retail | 2021 |
| Rash's News Ltd | Wholesale & retail | 2013 |
| Rasheena Real Estate UK Ltd | Real estate | 2025 |
| Rasik Family Ltd | Real estate | 2023 |
| Rasta Barbers Limited | Other services | 2025 |
| Rasul Kamran Ltd | Health & social care | 2021 |
| Rasulsa Ltd | Wholesale & retail | 2025 |
| Ratcliffe Bess Ltd | Real estate | 2023 |
| Ratcliffe Transport Solutions Limited | Wholesale & retail | 2015 |
| Rate Drop Limited | Financial services | 2024 |
| Rate My Scoops Ltd | Manufacturing | 2024 |
| Ratel Trading Ltd | Information & communication | 2026 |
| Rath-Bawn Trading Limited | Professional & scientific | 2019 |
| Ratha Services Ltd | Wholesale & retail | 2020 |
| Rathan's Driving School Ltd | Education | 2026 |
| Rathbone Express Ltd | Wholesale & retail | 2023 |
| Rathbone Nominees Limited | Financial services | 1960 |
| Rathbones Investment Management Limited | Financial services | 1979 |
| Ratho Lighting Systems Ltd | Arts & recreation | 2014 |
| Rational Bytes Limited | Information & communication | 2007 |
| Rattan Breakfast Ltd | Hospitality | 2025 |
| Rattlebeck Ltd | Hospitality | 2021 |
| Rauf Sons Limited | Wholesale & retail | 2025 |
| Raul DE Sousa Ltd | Wholesale & retail | 2018 |
| Raven Realty Ltd | Real estate | 2021 |
| Ravenair Group Limited | Financial services | 2026 |
| Ravencroft Portfolio Limited | Construction | 2022 |
| Ravenmeols Investments Limited | Financial services | 2024 |
| Ravenmeols Lodge Limited | Households | 2008 |
| Ravenscroft Commercial Services Limited | Professional & scientific | 2014 |
| Ravenwalk Properties Limited | Construction | 2003 |