| Ranes International Ltd | Information & communication | 2024 |
| Range Express Ltd | Hospitality | 2023 |
| Ranimo Limited | Real estate | 2016 |
| Ranksupreme Limited | Information & communication | 2014 |
| Ranskill Limited | Construction | 2003 |
| Ranson Films Limited | Information & communication | 2013 |
| Ranstones Medical Services Ltd | Health & social care | 2022 |
| Ranya Logistics Ltd | Wholesale & retail | 2019 |
| Rapicar International Group Limited | Wholesale & retail | 2018 |
| Rapid Domain Register Ltd | Other services | 2009 |
| Rapid DON Ltd | Wholesale & retail | 2022 |
| Rapid FIX Ceilings & Partitions Limited | Construction | 2015 |
| Rapid Fleet Transport Ltd | Transport & logistics | 2025 |
| Rapid LS Limited | Transport & logistics | 2025 |
| Rapid Pvcu Systems Limited | Manufacturing | 2009 |
| Rapid Refinish Ltd | Wholesale & retail | 2025 |
| Rapid Response Leak & Drain Plumbers Ltd | Construction | 2024 |
| Rapid Web Hosting Ltd | Other services | 2009 |
| Rapide a Powerlines Ineo Keltbray Joint Venture Ltd | Construction | 2020 |
| Rapidvan Ltd | Transport & logistics | 2025 |
| Raptor Transport Ltd | Transport & logistics | 2025 |
| RAR Cars and Caravans Limited | Wholesale & retail | 2020 |
| Rara Logistic Ltd | Transport & logistics | 2022 |
| Rasnov Mini Market Ltd | Wholesale & retail | 2021 |
| RATCU44 Ltd | Transport & logistics | 2023 |
| Rathore Financial Group Limited | Financial services | 2024 |
| Rattan-Uk Ltd | Wholesale & retail | 2018 |
| RAV Audiovisuals Limited | Wholesale & retail | 2022 |
| Rave Apparel Ltd | Wholesale & retail | 2025 |
| Raven Accountancy Services Ltd | Professional & scientific | 2025 |
| Ravenfield Properties Ltd | Construction | 2011 |
| Ravens Brook Limited | Real estate | 2024 |
| Ravenswood Hall Limited | Information & communication | 2020 |
| RAW Carrots Limited | Real estate | 2017 |
| RAW Kids Gymnastics Auckley Ltd | Arts & recreation | 2025 |
| RAW Margins Ltd | Wholesale & retail | 2026 |
| RAW Speed Limited | Arts & recreation | 2015 |
| Rawa Limited | Construction | 2017 |
| Rawden Sharpe Mechanical Services Ltd | Construction | 2012 |
| Rawlinson Getaways Ltd | Hospitality | 2026 |
| Rawmudd Ltd | Information & communication | 2022 |
| RAY Small Contractors Limited | Agriculture & fishing | 1998 |
| Raya Property Limited | Real estate | 2024 |
| Raycool Refrigeration Limited | Construction | 2009 |
| Rayment Enterprises Limited | Wholesale & retail | 2020 |
| Rayne and HAY Ltd | Wholesale & retail | 2023 |
| Raynes Park Limited | Real estate | 1997 |
| Rayy Trans Limited | Transport & logistics | 2021 |
| RAZ Estate Limited | Real estate | 2022 |
| Razor Sharp Flooring Ltd | Construction | 2023 |
| Razvadi Limited | Transport & logistics | 2025 |
| RB Forecourts Limited | Wholesale & retail | 2018 |
| RB Properties and Investment Limited | Real estate | 2025 |
| RB Trading Solutions Limited | Water & waste | 2023 |
| RBC Group ( UK ) Ltd | Transport & logistics | 2019 |
| Rbcc Services Ltd | Wholesale & retail | 2022 |
| RBD Leisure Allerthorpe Limited | Hospitality | 2025 |
| RBD Leisure Styrrup Limited | Hospitality | 2020 |
| RBP Logistics Limited | Transport & logistics | 2024 |
| RBS Projects Ltd | Construction | 2010 |
| RBU Sales UK Limited | Professional & scientific | 2011 |
| RC Digger World Ltd | Hospitality | 2026 |
| RC Testing Ltd | Construction | 2019 |
| RCA Southampton Ltd | Real estate | 2024 |
| RCA Southampton Management Ltd | Real estate | 2024 |
| RCC City Investments Ltd | Real estate | 2026 |
| RCC Group Ltd | Real estate | 2017 |
| RCC Projects Ltd | Construction | 2021 |
| Rccg Kingdom Life Assembly, Edlington | Other services | 2025 |
| RCE Contractors Ltd | Construction | 2023 |
| RCH Haulage Ltd | Transport & logistics | 2022 |
| RCJ Properties Limited | Real estate | 2001 |
| Rclp Surveys Ltd | Construction | 2021 |
| RCT EPS Ltd | Construction | 2026 |
| RD Custom Creations Limited | Manufacturing | 2023 |
| RD Northen Ltd | Hospitality | 2026 |
| RD Services Recovery Ltd | Transport & logistics | 2018 |
| RD Signs Ltd | Professional & scientific | 2016 |
| RD Structures Ltd | Construction | 2023 |
| Rddm Retail and Bars Ltd | Wholesale & retail | 2013 |
| RDH Building Services Ltd | Construction | 2022 |
| RDI Solutions Ltd | Professional & scientific | 2019 |
| Rdjs Rail Limited | Administrative & support | 2015 |
| RDM3 Ltd | Hospitality | 2026 |
| RDM4 Ltd | Hospitality | 2026 |
| RDP Painters & Decorators Ltd | Construction | 2021 |
| RDS Drywall Group Limited | Real estate | 2025 |
| RDS Drywall Limited | Construction | 2020 |
| RDS Fuels Limited | Wholesale & retail | 2013 |
| Rdsg Midlands Properties Ltd | Real estate | 2023 |
| RE Style Barber Woodlands Ltd | Other services | 2025 |
| Re-Fit Plant & Machinery Limited | Manufacturing | 2023 |
| Re-Gen Services Ltd | Professional & scientific | 2022 |
| RE3 Holding Limited | Administrative & support | 2005 |
| RE3 Limited | Water & waste | 2005 |
| Reaben Tandoori Ltd | Hospitality | 2023 |
| Reach Properties Yorkshire Limited | Real estate | 2024 |
| Readingmb Ltd | Hospitality | 2018 |
| Ready and Rolling Limited | Information & communication | 2025 |
| Ready to Labour Ltd | Construction | 2018 |