| Ridge Close Properties Limited | Real estate | 2026 |
| Ridgecastle Limited | Wholesale & retail | 1984 |
| Ridgerock Limited | Real estate | 2023 |
| Ridgestone Properties Limited | Real estate | 2025 |
| Ridgway Road Services Ltd | Transport & logistics | 2010 |
| Ridhason Const Ltd | Real estate | 2019 |
| Rieaya Limited | Health & social care | 2016 |
| Right Choice Solutions Ltd | Administrative & support | 2022 |
| Right Contracts Limited | Construction | 2017 |
| Right Hand Trading Group Ltd | Wholesale & retail | 2021 |
| Right Track Enterprise Wolverhampton CIC | Education | 2016 |
| Right Way Mortgages Limited | Financial services | 2025 |
| Rightbox Ltd | Administrative & support | 2020 |
| Righthand Security Ltd | Administrative & support | 2025 |
| Righthouse Estate Agents Ltd | Real estate | 2024 |
| Rijon Limited | Professional & scientific | 2023 |
| Riley Finance & Leasing | | 1994 |
| Riley Hayes & Co Solicitors Limited | Professional & scientific | 2005 |
| Rindiro Limited | Public administration | 2021 |
| RIO Express Ltd | Transport & logistics | 2025 |
| Rirletus Ltd | Transport & logistics | 2019 |
| RIS Estates Ltd | Real estate | 2024 |
| Risc Associates Ltd | Administrative & support | 2010 |
| Rise Fitness Events Ltd | Education | 2024 |
| Rise N’ Dine Ltd | Hospitality | 2025 |
| Rise Tech Revolutions Ltd | Information & communication | 2025 |
| Rise to Impact Collective Ltd | Professional & scientific | 2025 |
| Riserank Digital Ltd | Information & communication | 2025 |
| Rising Healthcare Agency Ltd | Health & social care | 2020 |
| Rising Stars Property Solutions CIC | Administrative & support | 2014 |
| Rising Sun Group Holdings Ltd | Financial services | 2024 |
| Rising Sun Personal Care Ltd | Wholesale & retail | 2024 |
| Risk Assessment Information Services Limited | Financial services | 2019 |
| Ritu Barolia Hair and Makeup Ltd | Other services | 2023 |
| Ritual Wellness Clinic Ltd | Wholesale & retail | 2020 |
| Rivara Consultancy Limited | Administrative & support | 2026 |
| River Transport Ltd | Transport & logistics | 2026 |
| Riverflow Global Limited | Hospitality | 2025 |
| Riverlea Care Limited | Health & social care | 2010 |
| Rivers Five Limited | Manufacturing | 2014 |
| Rivershore Properties Limited | Real estate | 2026 |
| Riversolar Ltd | Transport & logistics | 2019 |
| Rivertree Data Solutions Limited | Information & communication | 2025 |
| Riverwest Limited | Professional & scientific | 1994 |
| Riverwood Commercial Limited | Administrative & support | 2017 |
| Rivet Jobs Ltd | Administrative & support | 2024 |
| Rivet Tech Ltd | Information & communication | 2023 |
| Rivets and Fasteners Limited | Wholesale & retail | 2025 |
| Rivonnia Ltd | Health & social care | 2025 |
| Riwaaz Couture Limited | Wholesale & retail | 2026 |
| RIX PVT Limited | Health & social care | 2022 |
| Rizor Tech Ltd | Information & communication | 2025 |
| Rizwan Mart Shop Ltd | Wholesale & retail | 2026 |
| RJ Carriers Ltd | Transport & logistics | 2017 |
| RJ Customs Ltd | Wholesale & retail | 2022 |
| RJ Developments & Demolition Limited | Construction | 2026 |
| RJ Roofing & Sons Limited | Construction | 2017 |
| RJ Solar Specialist Ltd | Wholesale & retail | 2025 |
| Rj@Heating Ltd | Construction | 2025 |
| RJB Electrical Midlands Limited | Construction | 2014 |
| RJB Technical Ltd | Professional & scientific | 2022 |
| RJD Plant Services Limited | Wholesale & retail | 2012 |
| RJG Holdings Group Limited | Other services | 2024 |
| RJH Lifestyle Ltd | Other services | 2021 |
| Rjhn Ltd | Real estate | 2023 |
| RJI Developments Ltd | Real estate | 2024 |
| RJM Furniture Limited | Wholesale & retail | 2021 |
| RJP Projects Ltd | Professional & scientific | 2010 |
| RJR U.K. Limited | Real estate | 2016 |
| RJS Psychology Limited | Education | 2023 |
| RJW Estates Ltd | Professional & scientific | 2024 |
| RK (Wombourne) Ltd | Hospitality | 2019 |
| RK Clinical's Ltd | Health & social care | 2019 |
| RK Estates and Homes Limited | Real estate | 2025 |
| RK Investment Properties Ltd | Real estate | 2024 |
| RK Phoenix Engineering Ltd | Manufacturing | 2022 |
| RK Realty Limited | Real estate | 2021 |
| RKB Wholesale Limited | Transport & logistics | 2026 |
| RKC Design Ltd | Construction | 2021 |
| RKD Soft PVT Limited | Information & communication | 2010 |
| Rkgpsychology Ltd | Education | 2022 |
| Rkhatkar Ltd | Wholesale & retail | 2021 |
| RKK Consultancy Services Ltd | Professional & scientific | 2024 |
| RKR Enterprises Limited | Wholesale & retail | 2023 |
| RKR Transport Ltd | Transport & logistics | 2023 |
| Rkrm Services Ltd | Construction | 2023 |
| RKS Assets Ltd | Real estate | 2024 |
| RKS Consultancy Limited | Administrative & support | 2006 |
| RKS Dental Ltd | Health & social care | 2024 |
| RKS for Forte Limited | Real estate | 2012 |
| RKS Health Ltd | Health & social care | 2022 |
| RKS Investments WM Limited | Financial services | 2014 |
| RL Warehouse Ltd | Professional & scientific | 2023 |
| Rldrops Ltd | Wholesale & retail | 2023 |
| RLP Events Ltd | Professional & scientific | 2018 |
| RLW Transport Limited | Transport & logistics | 2016 |
| RM Builders & Developers Ltd | Construction | 2026 |
| RM Commercial Services Limited | Wholesale & retail | 2023 |
| RM Group Services Limited | Construction | 1996 |
| RM Health Solutions Ltd | Administrative & support | 2025 |