| Rania Halal Meat & Fish Store Ltd | Wholesale & retail | 2019 |
| Rania Mini Market Ltd | Wholesale & retail | 2024 |
| Rania Realtor Ltd | Real estate | 2025 |
| Ranjha Tradax Ltd | Wholesale & retail | 2025 |
| Raphael Global Ltd. | Administrative & support | 2005 |
| Rapid Deployment Cctv Ltd | Administrative & support | 2008 |
| Rapid Release Limited | Professional & scientific | 2006 |
| Rapid Rinse Exterior Cleaning Ltd | Administrative & support | 2025 |
| RAPID365 Limited | Information & communication | 2025 |
| Rapten Limited | Information & communication | 2022 |
| Raptorsecuritysolutions Ltd | Administrative & support | 2025 |
| RAQ Properties Ltd | Real estate | 2019 |
| Rare Hair Limited | Other services | 2019 |
| Rare Nutrition Ltd | Extraterritorial | 2016 |
| Rasham Properties Ltd | Real estate | 2021 |
| Rashidoralcare Ltd | Health & social care | 2021 |
| Raspin Mill Limited | Manufacturing | 2008 |
| Rast Investments Ltd | Real estate | 2024 |
| Rational Oven Spares Limited | Extraterritorial | 2007 |
| RAV Technology Solutions Ltd | Information & communication | 2020 |
| Raven Security Consultancy Ltd | Administrative & support | 2026 |
| Ravenstone Construction Ltd | Construction | 2026 |
| Ravog Ltd | Wholesale & retail | 2025 |
| RAW Dogs Dinner Ltd | Wholesale & retail | 2019 |
| RAW Green Energy Group Ltd | Construction | 2022 |
| Rawal Ltd | Other services | 2018 |
| Rawell Environmental Limited | Manufacturing | 1991 |
| Rawsome Pets Limited | Wholesale & retail | 2019 |
| RAY Amjad Ltd | Information & communication | 2022 |
| RAY of Grace Ltd | Health & social care | 2025 |
| Rayan Amir Services Ltd | Transport & logistics | 2023 |
| Rayan Engineering Consulting Co UK Ltd | Construction | 2022 |
| Raydo Consulting Ltd | Professional & scientific | 2026 |
| Rayin Property Ltd | Real estate | 2016 |
| Rays Carpets & Vinyls Ltd | Wholesale & retail | 2019 |
| Rayshouse Limited | Professional & scientific | 2012 |
| Rayyaanz Ltd | Transport & logistics | 2021 |
| Rayyan Automotive Limited | Wholesale & retail | 2023 |
| RAZ Foods Limited | Hospitality | 2017 |
| Raza Brothers Trading Ltd | Wholesale & retail | 2025 |
| Raza Smart Limited | Administrative & support | 2025 |
| Razors PVT Ltd | Other services | 2019 |
| Razz & Co Hairdressing LLP | | 2016 |
| RB & ZRM Ltd | Real estate | 2023 |
| RB Media Manchester Limited | Construction | 2013 |
| RB Social Work Ltd | Health & social care | 2022 |
| RBH Maintenance Ltd | Construction | 2024 |
| RBX Construction Ltd | Construction | 2022 |
| RC Assist Limited | Professional & scientific | 2017 |
| RC Properties & Investments Ltd | Real estate | 2020 |
| RC Properties and Projects Ltd | Construction | 2024 |
| RCA Scaffolding Services Ltd | Construction | 2016 |
| RCD Property Ltd | Real estate | 2019 |
| RCH Roof Repairs Ltd | Construction | 2026 |
| RCH Roofing Services Ltd | Construction | 2022 |
| RCL Essentials Ltd | Wholesale & retail | 2026 |
| RCW Window Cleaning Ltd | Administrative & support | 2019 |
| RDB AA Ltd | Wholesale & retail | 2024 |
| Rdlp Consultants Limited | Information & communication | 2009 |
| Re-Train Oldham Ltd | Other services | 2014 |
| REA Care Ltd | Health & social care | 2021 |
| Reachscape Limited | Real estate | 1998 |
| Reading Optical Ltd | Other services | 2020 |
| Ready Locums Ltd | Health & social care | 2025 |
| Real Data Systems Limited | Information & communication | 2022 |
| Real Education Empowering Lives (Reel) CIC | Health & social care | 2017 |
| Real Estate Online Ltd | Real estate | 2020 |
| Real Monitoring Limited | Financial services | 2024 |
| Real Sabor HDR Limited | Hospitality | 2023 |
| Real Systems Controls Limited | Manufacturing | 1990 |
| Real Vision Community Group CIC | Health & social care | 2022 |
| Realist Evaluation Ltd | Professional & scientific | 2018 |
| Realt Ltd | Transport & logistics | 2024 |
| Realty Growth Group Limited | Real estate | 2025 |
| Rebecca MAC Ltd | Professional & scientific | 2025 |
| REC Electrical Solutions Ltd | Construction | 2016 |
| REC Property Solutions Ltd | Real estate | 2025 |
| Reclaim Digital Academy Limited | Information & communication | 2025 |
| Reclaim My PPI Tax Ltd | Information & communication | 2020 |
| Reclamation Room Limited | Hospitality | 2015 |
| Reco (UK) Trading Ltd | Water & waste | 2012 |
| Reco Handling & Logistics Ltd | Water & waste | 2020 |
| Reco Handling Ltd | Water & waste | 2016 |
| Reco Plus Ltd | Water & waste | 2015 |
| Recovery Express Ltd | Transport & logistics | 2004 |
| Recovery Nidra Ltd | Health & social care | 2022 |
| Recruit U Ltd | Administrative & support | 2019 |
| RECRUIT4YOURSELF Limited | Administrative & support | 2017 |
| Red Apple ALL Services Ltd | Professional & scientific | 2014 |
| Red Apple Brokers Limited | Financial services | 2025 |
| Red B Ltd | Wholesale & retail | 2020 |
| Red Bank Props Ltd | Arts & recreation | 2022 |
| Red Cars Ltd | Transport & logistics | 2009 |
| Red Crew Limited | Professional & scientific | 2006 |
| Red DAM Group Ltd | Administrative & support | 2017 |
| Red Lion Motors (Oldham) Limited | Wholesale & retail | 1962 |
| Red Rose Filling Station Ltd | Wholesale & retail | 2025 |
| Red Rose Prosthetics Limited | Other services | 2013 |
| Red Rose Residencies Ltd | Real estate | 2025 |
| Red Rose Tyre Bay Limited | Wholesale & retail | 2022 |