| RAP Properties Investment Ltd | Real estate | 2021 |
| Rapid 24/7 Recovery Ltd | Transport & logistics | 2024 |
| Rapid 3PL Limited | Wholesale & retail | 2023 |
| Rapid Bloods Healthcare Ltd | Health & social care | 2025 |
| Rapid Colour Home Improvements Ltd | Manufacturing | 2009 |
| Rapid Drop Couriers Ltd | Transport & logistics | 2026 |
| Rapid Eco Energy Ltd | Construction | 2023 |
| Rapid Media Limited | Extraterritorial | 2023 |
| Rapid Motor Solutions Ltd | Other services | 2016 |
| Rapid Taxi Claims Ltd | Professional & scientific | 2019 |
| Rapid Waste Removal and Skip Hire Ltd | Water & waste | 2024 |
| Rapid Wave Ltd | Wholesale & retail | 2024 |
| Rapidfront Limited | Information & communication | 2016 |
| Rapidrx Limited | Wholesale & retail | 2026 |
| Rapt Leisure Developments Ltd | Arts & recreation | 2005 |
| Raqib Optics Ltd | Health & social care | 2023 |
| Rare Elements Ltd | Manufacturing | 2026 |
| Rarecrest Limited | Construction | 1994 |
| RAS Bolton Limited | Construction | 2024 |
| RAS PK Limited | Wholesale & retail | 2025 |
| RAS Polymer Consulting Limited | Professional & scientific | 2019 |
| Rasaaa Trading Limited | Wholesale & retail | 2026 |
| Rasah Limited | Wholesale & retail | 2020 |
| Rash Accessories Ltd | Wholesale & retail | 2019 |
| Rashid Associates Limited | Wholesale & retail | 2020 |
| Rasida Bhaiyat Ltd | Wholesale & retail | 2025 |
| Rateable Experts Ltd | Other services | 2022 |
| Ratebrook Limited | Wholesale & retail | 1975 |
| Rates Consultants Limited | Administrative & support | 2021 |
| Rathore Medical Limited | Health & social care | 2019 |
| Rathore Property Group Ltd | Real estate | 2024 |
| Ratnarajah Holdings Ltd | Financial services | 2025 |
| Rauf Parfums France Ltd | Wholesale & retail | 2024 |
| Rauk Beauty Clinic Ltd | Other services | 2025 |
| Rauk Estates Ltd | Construction | 2024 |
| Rauk Properties Ltd | Construction | 2024 |
| Ravago Manufacturing UK Limited | Water & waste | 2003 |
| Ravela Ltd | Education | 2023 |
| Raven Education Limited | Administrative & support | 2018 |
| Raven Web DEV Ltd | Information & communication | 2024 |
| Ravenna Pizza Ltd | Hospitality | 2017 |
| Ravenstone House Limited | Real estate | 2024 |
| Ravenstone Management Ltd | Real estate | 2024 |
| Ravenstone Wellness Ltd | Other services | 2024 |
| Ravenswood Motor Group Ltd | Wholesale & retail | 2025 |
| Raventex Ltd | Manufacturing | 2010 |
| Raventop Limited | Real estate | 1998 |
| Ravenwise IT Solutions Ltd | Professional & scientific | 2026 |
| Ravian Accountants Ltd | Professional & scientific | 2025 |
| RAW Direct Ltd | Wholesale & retail | 2025 |
| RAW Goods Ltd | Manufacturing | 2023 |
| RAW Group (NW) Limited | Financial services | 2025 |
| RAW Investments (NW) Limited | Real estate | 2025 |
| Rawat Property Ltd | Real estate | 2021 |
| Rawdhah Tours Ltd | Administrative & support | 2012 |
| Rawlcon Limited | Construction | 2021 |
| Raxid Fit Ltd | Wholesale & retail | 2020 |
| Raxid Ltd | Wholesale & retail | 2016 |
| RAY Blow Limited | Financial services | 2017 |
| RAY Boulé Magazine Ltd | Information & communication | 2024 |
| RAY Family Holdings | Administrative & support | 2020 |
| RAY Quinn Ents Limited | Arts & recreation | 2022 |
| Ray's (Transport) Ltd | Transport & logistics | 2021 |
| Rayan Traders Ltd | Wholesale & retail | 2020 |
| Rayie Musk Ltd | Wholesale & retail | 2024 |
| Raynaya Law Ltd | Professional & scientific | 2022 |
| Rayne Capital Ltd | Financial services | 2023 |
| Raynova Ltd | Wholesale & retail | 2025 |
| Rayovac Limited | Wholesale & retail | 2003 |
| Rays Optics Limited | Wholesale & retail | 2025 |
| Rays the Roof Ltd | Real estate | 2025 |
| Rayzor Edge Stunts Limited | Arts & recreation | 2013 |
| Raza Immigration Services Limited | Other services | 2022 |
| Razara Limited | Wholesale & retail | 2025 |
| Razel Group Ltd | Manufacturing | 2026 |
| Razi Properties NW Ltd | Real estate | 2024 |
| Razor Barber LS Limited | Other services | 2023 |
| Razz Pharma Ltd | Health & social care | 2022 |
| RB & Sons Limited | Construction | 2015 |
| RB Home Surveys Ltd | Professional & scientific | 2026 |
| RBA Properties Bolton Ltd | Real estate | 2022 |
| RBC Logistics Limited | Financial services | 2010 |
| RBC Payroll Limited | Administrative & support | 2017 |
| RBD Controls Ltd | Professional & scientific | 2023 |
| RBF Consultancy Ltd | Manufacturing | 2025 |
| RBH Consulting Limited | Information & communication | 2014 |
| RBI Ultrasound Ltd | Health & social care | 2023 |
| RBJ Foods Limited | Extraterritorial | 1990 |
| RBK Collective Limited | Wholesale & retail | 2025 |
| RBK Management Ltd | Professional & scientific | 2026 |
| RBL Inns Ltd | Hospitality | 2024 |
| RBM (North West) Limited | Real estate | 2025 |
| RBM Real Estate Consulting Ltd | Real estate | 2011 |
| RBO Taverns Ltd | Hospitality | 2025 |
| RBV Holdings Limited | Real estate | 2024 |
| RC Energy Solutions Ltd | Administrative & support | 2022 |
| RC Security Ltd. | Administrative & support | 2015 |
| RC UK Land Ventures Ltd | Professional & scientific | 2023 |
| RCB IT Consulting Limited | Information & communication | 2017 |
| RCH Logistics Limited | Transport & logistics | 2023 |