| Respecting Your Care Ltd | Health & social care | 2023 |
| Resq Technologies Ltd | Information & communication | 2012 |
| Resta Sleep Limited | Wholesale & retail | 2023 |
| Restore a Floor Northwest Ltd | Construction | 2023 |
| Retro Garms Vintage Ltd | Wholesale & retail | 2024 |
| Retro Techniques Ltd | Professional & scientific | 2026 |
| Reve Alliance Limited | Wholesale & retail | 2021 |
| Reve Apparel Limited | Wholesale & retail | 2019 |
| Reve Online Ltd | Wholesale & retail | 2024 |
| Reve Wholesale Limited | Wholesale & retail | 2023 |
| Review Wizard Limited | Information & communication | 2026 |
| Revilo (Commercial) Limited | Real estate | 2020 |
| Revilo Automotive Limited | Wholesale & retail | 2016 |
| Revilo Capital Limited | Real estate | 2014 |
| Revilo Developments (Holdings) Limited | Construction | 2017 |
| Revilo Developments Limited | Construction | 2017 |
| Revilo Financial (Commercial) Limited | Financial services | 2025 |
| Revilo Financial Limited | Financial services | 2016 |
| Revilo Homes Limited | Real estate | 2025 |
| Revilo Properties Ltd | Real estate | 2014 |
| Revilo Retail Limited | Real estate | 2017 |
| Revive ME Ltd | Other services | 2011 |
| Reviver Clinic Ltd | Health & social care | 2024 |
| Revivo Labs Ltd | Wholesale & retail | 2025 |
| Revivoir Ltd | Financial services | 2024 |
| Revline Vehicle Specialists Ltd | Wholesale & retail | 2025 |
| Revobrick Ltd | Construction | 2026 |
| Revolution Coffee Roasters Ltd | Manufacturing | 2020 |
| Rewco Limited | Administrative & support | 2021 |
| Rexo PVT Ltd | Wholesale & retail | 2023 |
| Reyah Properties Limited | Real estate | 2022 |
| Rfhmcr Ltd | Wholesale & retail | 2024 |
| RG Offshore Ltd | Construction | 2025 |
| RGB Electrical Services & Supplies (UK) Ltd | Manufacturing | 2016 |
| RH Optics Ltd | Wholesale & retail | 2022 |
| RH Security Ltd | Administrative & support | 2023 |
| Rhiward Hair Ltd | Other services | 2022 |
| Ribble Valley Luxury Cottages Ltd | Hospitality | 2023 |
| Ricardo 2 Ltd | Other services | 2026 |
| Richard Whittaker Holdings Limited | Financial services | 2002 |
| Richard Whittaker Limited | Manufacturing | 1962 |
| Richmond Interior Supplies Ltd | Manufacturing | 2009 |
| Richmoor Consulting Limited | Professional & scientific | 2018 |
| Rico Facilities Ltd | Construction | 2023 |
| Rida International Limited | Extraterritorial | 2017 |
| Ridas Mart Limited | Wholesale & retail | 2025 |
| Ridgemoor Limited | Financial services | 2026 |
| Ridgewood Properties NW Ltd | Real estate | 2022 |
| Riggworth Properties Limited | Real estate | 2020 |
| Right Move Property Ltd | Real estate | 2021 |
| Rima Valhari Ltd | Health & social care | 2024 |
| Ringtag International Ltd | Manufacturing | 2026 |
| Risco Group UK Limited | Wholesale & retail | 1986 |
| Rise Digital Limited | Information & communication | 2018 |
| Rise Rochdale Limited | Real estate | 2024 |
| Rise Rochdale Management Limited | Real estate | 2024 |
| Rise UK Holdings Limited | Health & social care | 2024 |
| Rise Unity Developments Ltd | Construction | 2024 |
| Rise Unity Developments M24 Ltd | Construction | 2025 |
| Rise Unity Developments S36 Ltd | Construction | 2024 |
| Riserealestateinc Ltd | Real estate | 2024 |
| Rising Starz Ltd | Health & social care | 2026 |
| Rising Ventures Ltd | Real estate | 2018 |
| Risk Averse Surveyors Ltd | Construction | 2019 |
| Risker’S Ltd | Wholesale & retail | 2026 |
| Ritabel Care Ltd | Administrative & support | 2026 |
| Riva Lands Ltd | Real estate | 2025 |
| Rivaro Consulting Limited | Wholesale & retail | 2025 |
| River Beal Ltd | Hospitality | 2024 |
| River Thames Limited | Professional & scientific | 2013 |
| Rivermarket Ltd | Wholesale & retail | 2023 |
| Riverside Automotive & Tyre Services Limited | Wholesale & retail | 2023 |
| Riverside Caravan & Glamping Site Ripponden Ltd | Hospitality | 2021 |
| Riverside Upvc Ltd | Construction | 2011 |
| Riverstone Medical Ltd | Health & social care | 2020 |
| Rivrafa Holdings Limited | Real estate | 2019 |
| Rizkir Ltd | Wholesale & retail | 2025 |
| Rizwan Star Ltd | Wholesale & retail | 2024 |
| RJ Prodecs Ltd | Construction | 2021 |
| RJB Displays Ltd | Administrative & support | 2024 |
| Rjer Holdings Ltd | Real estate | 2019 |
| RJI Enterprise Ltd | Professional & scientific | 2024 |
| RJS Scaffolding NW Ltd | Construction | 2025 |
| RK Architectural Limited | Professional & scientific | 2025 |
| RK Contracting Ltd | Construction | 2022 |
| Rkay Offroad Ltd | Wholesale & retail | 2022 |
| RKG Property Services Limited | Real estate | 2018 |
| Rkix Juniors FC C.I.C. | Education | 2025 |
| RKM Hair Ltd | Other services | 2025 |
| RKT Trust Ltd | Health & social care | 2013 |
| RLM Scaffolding Solutions Ltd | Construction | 2025 |
| RLW Energy Surveys Ltd | Financial services | 2024 |
| RM & Sons Properties Limited | Real estate | 2026 |
| RM Accountant Services Ltd | Professional & scientific | 2021 |
| RM Beauty Ltd | Other services | 2020 |
| RM Green Salad Ltd | Hospitality | 2026 |
| RM Home Solutions Ltd | Real estate | 2024 |
| RM Kitchen PVT Ltd | Hospitality | 2024 |
| RM Properties & Construction Ltd | Construction | 2023 |
| RM Sponsor Licence Ltd | Other services | 2024 |