| Rawnsley Investment Management Limited | Administrative & support | 2013 |
| RAY Acton Motors (Lichfield) Limited | Wholesale & retail | 1978 |
| Rayfen Limited | Administrative & support | 2006 |
| Rayment Investments Limited | Financial services | 2019 |
| Razor Creations Limited | Information & communication | 2010 |
| Razsonha Ltd | Administrative & support | 2020 |
| RB Collection Limited | Administrative & support | 1984 |
| RB Media Management Ltd | Professional & scientific | 2022 |
| RB Render EWI Ltd | Construction | 2024 |
| RB Rentals Ltd | Real estate | 2016 |
| RB Sales Solutions Limited | Professional & scientific | 2017 |
| RBM Gritting Ltd | Other services | 2024 |
| RBW Sports & Classics Limited | Manufacturing | 2017 |
| RC Venture Limited | Financial services | 2014 |
| RCA Design Ltd | Professional & scientific | 2025 |
| RCH Building Services Ltd | Other services | 2003 |
| RCJ Investments Ltd | Financial services | 2013 |
| RD Lichfield Ltd | Financial services | 2024 |
| RDT Heating and Plumbing Ltd | Construction | 2025 |
| RDT Support Services Limited | Administrative & support | 2013 |
| Re-Bar Engineering Design Limited | Professional & scientific | 1990 |
| Reacole Ltd | Real estate | 2015 |
| Real Deal Motors Ltd | Wholesale & retail | 2018 |
| Real Deal Properties Limited | Real estate | 2005 |
| Real Wood Company UK Ltd | Wholesale & retail | 2003 |
| Realis (SOT) Limited | Real estate | 2014 |
| Realis Estates (S.O.T.) Limited | Real estate | 2003 |
| Realis Estates 2 Limited | Administrative & support | 2013 |
| Realis Estates Limited | Real estate | 2006 |
| Reardon Group Holdings Ltd | Financial services | 2025 |
| Reclaimed Brick & Tile Co. Limited | Extraterritorial | 2024 |
| Record Marketing Solutions Limited | Professional & scientific | 2013 |
| Recruit Plus Ltd | Other services | 2018 |
| Red Eagle Training Ltd | Education | 2024 |
| Red Electrical (Midlands) Ltd | Construction | 2024 |
| Red Lion Upholstery Limited | Manufacturing | 2017 |
| Red Meadow Properties Limited | Real estate | 2024 |
| Red Orchid Ltd | Professional & scientific | 2020 |
| Red Plum Consulting Ltd | Wholesale & retail | 2012 |
| Red Serve Limited | Hospitality | 1999 |
| Red Tool Hire Limited | Administrative & support | 2009 |
| Redcourt Homes Ltd | Construction | 2017 |
| Redditus Limited | Financial services | 2021 |
| Redgate Consulting Limited | Administrative & support | 2008 |
| Redress Direct Limited | Professional & scientific | 2025 |
| Reedscare Group Ltd | Real estate | 2023 |
| Reenmeen Consultants Limited | Professional & scientific | 2013 |
| Rees (Menswear) Limited | Real estate | 1963 |
| Reeves & Pain Limited | Professional & scientific | 2000 |
| Reform Friends of America Limited | Administrative & support | 2025 |
| Reframe Animal Assisted Therapy Limited | Health & social care | 2022 |
| Refurb Solutions Limited | Construction | 2012 |
| Regents Place Consultancy Group Limited | Professional & scientific | 2025 |
| Relax and Stay Staffs Ltd | Real estate | 2025 |
| Reliance Comms Limited | Professional & scientific | 2023 |
| Remedy Education Limited | Education | 2016 |
| RENOV8 Property Ltd | Construction | 2020 |
| Rent Life Limited | Real estate | 2021 |
| Rentalpaluk Ltd | Real estate | 2024 |
| Repton Heath Limited | Real estate | 2025 |
| Republic Interiors Limited | Manufacturing | 2020 |
| Resiblend UK Limited | Manufacturing | 2003 |
| Resin Products Ltd | Wholesale & retail | 2009 |
| Resolute Tooling Limited | Manufacturing | 2021 |
| Resolve Enabling Ltd | Construction | 2020 |
| Resolveus Consulting Ltd | Administrative & support | 2026 |
| Response Ready K9 Ltd | Education | 2025 |
| Response Security Consultants Limited | Administrative & support | 2013 |
| Restore-Rental Ltd | Construction | 2024 |
| Revamped Wigs UK Ltd | Wholesale & retail | 2023 |
| Revealed Holdings Ltd | Financial services | 2026 |
| Revell Performing Arts Ltd | Education | 2022 |
| Reverb Accountancy LLP | | 2025 |
| Revitagrow Ltd | Wholesale & retail | 2025 |
| Revolver Design Studios Ltd | Administrative & support | 2012 |
| Rexaudiovid Ltd | Transport & logistics | 2020 |
| Reynolds Wealth Management Ltd | Financial services | 2014 |
| RF Digital Group Limited | Financial services | 2019 |
| RF Digital Systems Limited | Construction | 2012 |
| Rhidian Booth Ltd | Administrative & support | 2007 |
| Rhinos Gym Tamworth Limited | Other services | 2025 |
| Rhodium Events & Hospitality Limited | Hospitality | 2014 |
| Rhodium Golf Ltd | Administrative & support | 2023 |
| RHP Computer Solutions Ltd | Information & communication | 2012 |
| Riaco UK Ltd | Wholesale & retail | 2024 |
| Ricco&Loren Ltd | Hospitality | 2024 |
| Rich Chiropractic Limited | Health & social care | 2012 |
| Rich Vein Consulting Limited | Mining & quarrying | 2009 |
| Richard Bratby Ltd | Information & communication | 2019 |
| Richard Hesketh Ltd | Extraterritorial | 2025 |
| Richard Properties (Rugeley) Limited | Real estate | 1963 |
| Richard T Porter Transport Services Limited | Transport & logistics | 1986 |
| Richard Winterton Auctioneers Limited | Other services | 2011 |
| Richmond Real Estate Development Ltd | Construction | 2023 |
| Richmond Ventures Ltd | Financial services | 2023 |
| Ricky Evans Motorsport Limited | Wholesale & retail | 1996 |
| Ridge Foods Ltd | Hospitality | 2018 |
| Ridware Services Limited | Construction | 2011 |
| Riley Resins Ltd | Construction | 2023 |
| Riley's Streetly Limited | Wholesale & retail | 2017 |