| Re:Be (Shropshire) Ltd | Administrative & support | 2024 |
| REA Valley Foodbank Ltd | Hospitality | 2022 |
| REA Valley Mortgages and Protection Ltd | Financial services | 2020 |
| REA Valley Properties Limited | Real estate | 2011 |
| REA Valley Roofing T/A REA Valley Roof Care Ltd | Construction | 2024 |
| Reabrook Properties Limited | Real estate | 2021 |
| Reach for Inclusion Limited | Education | 2021 |
| Reaction Prosthetics Ltd | Health & social care | 2021 |
| Reade House Investments (Flixton) Limited | Households | 1976 |
| Reads Game Ltd | Wholesale & retail | 2025 |
| Readyon Limited | Professional & scientific | 2006 |
| Real ALE Direct Limited | Wholesale & retail | 2016 |
| Real Excelsior Limited | Real estate | 2013 |
| Realcare 24/7 Manchester Ltd | Health & social care | 2026 |
| Ream Developments Limited | Real estate | 2006 |
| Reasm Ltd | Professional & scientific | 2023 |
| Reba Management Company Limited(The) | Real estate | 1960 |
| Rebecca Parry Global Limited | Other services | 2016 |
| Rebel Recipes Ltd | Hospitality | 2019 |
| Reclaim Tax UK Limited | Professional & scientific | 2014 |
| Record Associates 2012 Limited | Real estate | 2012 |
| Rectory Cross (High Cross) Management Company Limited | Real estate | 2021 |
| Recupivo Investment Recovery Ltd | Financial services | 2010 |
| Red Kite Inspections Ltd | Professional & scientific | 2025 |
| Red Kite Shropshire Ltd | Health & social care | 2026 |
| Red Rock Services Ltd | Administrative & support | 2005 |
| Red Step Marketing Limited | Professional & scientific | 2013 |
| Red Tail Solutions Ltd | Other services | 2024 |
| Red Wizard Consulting Limited | Professional & scientific | 2014 |
| Redding Court Management Limited | Real estate | 2018 |
| Redette Limited | Information & communication | 2006 |
| Rednow Developments Ltd | Real estate | 2020 |
| Redstart Construction Limited | Construction | 1991 |
| Redstart Properties Limited | Real estate | 1998 |
| Redstone Projects Ltd | Real estate | 2022 |
| Redwood Property Development Ltd | Professional & scientific | 2024 |
| Redwood Sales and Marketing Limited | Professional & scientific | 2023 |
| Reece Properties Ltd | Real estate | 2018 |
| Reech Media Group Limited | Professional & scientific | 2010 |
| Reedy Management LLP | | 2021 |
| Rees Medical Services Limited | Health & social care | 2019 |
| Refined Consultants Limited | Professional & scientific | 2017 |
| Reflexion Care Group Limited | Education | 2007 |
| Reform at Motum Ltd | Arts & recreation | 2025 |
| Refurb One Limited | Extraterritorial | 2022 |
| Regal Court (Shropshire) Management Company Limited | Households | 2005 |
| Regal Fayre (UK) Limited | Extraterritorial | 2000 |
| Regal Gardens (Warstock) Management Limited | Households | 2007 |
| Regency Green Management Company Limited | Households | 1999 |
| Regency Village Management Company Limited | Households | 1990 |
| Regent Crescent Management Company Limited | Real estate | 2004 |
| Regional Transport Ltd | Transport & logistics | 2014 |
| Regs Academy Ltd | Education | 2026 |
| Regulatory Solution Ltd | Administrative & support | 2017 |
| REH Management 1 Limited | Real estate | 2006 |
| REH Management 5 Limited | Households | 2006 |
| Reid Productions Ltd | Information & communication | 2018 |
| Rekey Limited | Wholesale & retail | 2026 |
| Rel-Assist Plus Ltd | Public administration | 2022 |
| Relativex Limited | Manufacturing | 2026 |
| Remarkable Sounds Ltd | Wholesale & retail | 2024 |
| Remote Invest Limited | Real estate | 2017 |
| Renaissance (Plymouth) Management Company Limited | Households | 2006 |
| Renaissance Group Holdings Limited | Financial services | 2020 |
| Renaissance Investments Holdings Limited | Financial services | 2020 |
| Renda Road Management Limited | Households | 2009 |
| Renovate ME Limited | Real estate | 2014 |
| Renowned Wine Lovers Limited | Education | 2017 |
| Renu Education Ltd | Education | 2026 |
| Renu Training Academy Ltd | Education | 2020 |
| Renu Training CIC | Education | 2023 |
| REO (UK) Holdings Limited | Professional & scientific | 2008 |
| Reric Ltd | Professional & scientific | 2022 |
| Resellerisland Ltd | Administrative & support | 2025 |
| Resero Consultants Limited | Professional & scientific | 2016 |
| Reserva Computing Ltd | Agriculture & fishing | 1998 |
| Resilient Horizons Ltd | Administrative & support | 2025 |
| Resillex Ltd | Professional & scientific | 2025 |
| Resin Floor Solutions Limited | Construction | 2012 |
| Respect OUR Elders Limited | Health & social care | 2012 |
| Response Training Limited | Education | 2018 |
| Respring Limited | Wholesale & retail | 2025 |
| Restaurantdill Ltd | Hospitality | 2025 |
| Resting Hare Investments Limited | Professional & scientific | 2019 |
| Restor Viii (UK) Ltd | Construction | 2010 |
| Restore Sports Massage Limited | Health & social care | 2013 |
| Resultsware Limited | Information & communication | 1992 |
| Retail Design Services Limited | Professional & scientific | 2016 |
| Retrofist Ltd | Information & communication | 2013 |
| Returnee Ltd | Education | 2026 |
| Revive Detailing Specialist Ltd | Wholesale & retail | 2025 |
| Reviveco. Ltd | Other services | 2025 |
| Reynolds Lifestyle Ltd | Arts & recreation | 2007 |
| Reynolds Properties and Rentals Limited | Real estate | 2025 |
| Reyson Homes Ltd | Real estate | 2021 |
| RF Partnership LLP | | 2023 |
| Rfdm Ltd | Administrative & support | 2003 |
| RGB Leisure (Holdings) Limited | Financial services | 2011 |
| Rgupholstery Ltd | Manufacturing | 2023 |
| Rheolet Ltd | Real estate | 2022 |