| RAD ITC Limited | Information & communication | 2015 |
| Radical Concept Security Ltd | Administrative & support | 2024 |
| Radio Kashmir Limited | Information & communication | 2024 |
| Radioswap Limited | Wholesale & retail | 2007 |
| Radretrodan Limited | Wholesale & retail | 2025 |
| Radvin Pizza Ltd | Hospitality | 2025 |
| Raea Consulting Limited | Information & communication | 2018 |
| Raey Studio Ltd | Manufacturing | 2025 |
| RAF Gynae Ltd | Health & social care | 2016 |
| Raffou Ltd | Wholesale & retail | 2023 |
| Raheem ALI Limited | Other services | 2020 |
| Rahi Medical Services Ltd | Health & social care | 2026 |
| Rahman Automotive Group Ltd | Administrative & support | 2021 |
| Rail Assure Limited | Professional & scientific | 2016 |
| Rail Heritage Engineering Ltd | Extraterritorial | 2013 |
| Railform Ltd | Construction | 2021 |
| Railway Children Day Care Limited | Education | 2006 |
| Railway Wheelset & Brake Ltd. | Professional & scientific | 1996 |
| Rainbow Bridge Limited | Other services | 1996 |
| Rainbow Communications Limited | Information & communication | 1994 |
| Rainbow Hollywood Ltd | Other services | 2024 |
| Rainflow Ltd | Information & communication | 2014 |
| Rainforest Graphics Limited | Professional & scientific | 2011 |
| Rajj Associates Limited | Hospitality | 2024 |
| Rajugains Limited | Health & social care | 2010 |
| RAL Investment Ltd | Real estate | 2021 |
| Ralf C Limited | Hospitality | 2021 |
| Ramsden Road 1958 Limited | Extraterritorial | 2014 |
| Ramy Travel Limited | Transport & logistics | 2025 |
| RAN Trans Ltd | Transport & logistics | 2018 |
| Rancheros Rodizio Ltd | Hospitality | 2025 |
| Randell Repairs Ltd | Wholesale & retail | 2024 |
| Random Panda Ltd | Wholesale & retail | 2023 |
| Ranet E-Commerce Limited | Wholesale & retail | 2020 |
| Ranet Fusco Limited | Real estate | 2023 |
| Ranet Limited | Wholesale & retail | 2016 |
| Ranet Properties Ltd | Real estate | 2020 |
| Ranet Royce Limited | Wholesale & retail | 2023 |
| Rapahels Silverwings GB Limited | Professional & scientific | 2026 |
| Rapid Courier Solutions Ltd | Transport & logistics | 2018 |
| Rapid Delivery Service Ltd | Transport & logistics | 2026 |
| Rapid Reach Transport & Recovery Ltd | Wholesale & retail | 2025 |
| Rapid Skips Ltd | Water & waste | 2020 |
| Rapidkey Management Ltd | Real estate | 2025 |
| Rasab Pharm Ltd | Wholesale & retail | 2010 |
| Rauf Bros Ltd | Wholesale & retail | 2021 |
| Raven Bespoke Ltd | Manufacturing | 2026 |
| Raven's Services Limited | Professional & scientific | 2003 |
| RAVENCORP71 Ltd | Professional & scientific | 2016 |
| Raveningham Holdings Limited | Professional & scientific | 2010 |
| Ravipharma Limited | Wholesale & retail | 2023 |
| RAW People CIC | Health & social care | 2022 |
| Rawal Lounge Ltd | Hospitality | 2023 |
| Rawcom Limited | Information & communication | 2015 |
| Rawmarsh Enterprise Ltd | Wholesale & retail | 2021 |
| Rawmarsh Ltd | Hospitality | 2026 |
| Rawmarsh TAP Limited | Hospitality | 2023 |
| Rawson Joinery Contractors Limited | Construction | 2002 |
| Raya IT Ltd | Other services | 2014 |
| Rayclub Luxury Ltd | Professional & scientific | 2025 |
| Raydyne Enterprises Limited | Manufacturing | 2015 |
| Razzaq & SON Newsagents Ltd | Wholesale & retail | 2014 |
| Razzaq and Razzaq Ltd | Other services | 2015 |
| RB Land Management Limited | Agriculture & fishing | 2012 |
| RB Properties Yorkshire Limited | Real estate | 2025 |
| RB Rotherham Limited | Wholesale & retail | 2020 |
| RB78 Ltd | Wholesale & retail | 2024 |
| RBC Trans Ltd | Transport & logistics | 2025 |
| Rbccmnq Limited | Professional & scientific | 2019 |
| RBM Vehicle Solutions Ltd | Transport & logistics | 2025 |
| RC Fashion Design Ltd | Professional & scientific | 2026 |
| RC Plastering & Renovation Ltd | Construction | 2022 |
| RCD Contracting Limited | Wholesale & retail | 2023 |
| RCJ Residential Ltd | Real estate | 2016 |
| RCM Advice Ltd | Financial services | 2022 |
| RCP Electrical Ltd | Construction | 2020 |
| RCS Construction Services Ltd | Professional & scientific | 2003 |
| RCS Holdings Yorkshire Ltd | Financial services | 2024 |
| RCS Plumbing & Heating Ltd | Construction | 2008 |
| RCS Property (Yorkshire) Limited | Information & communication | 2017 |
| RCS Quality Cleaning Ltd | Administrative & support | 2020 |
| Rctw Ltd | Hospitality | 2017 |
| RD Comms Limited | Information & communication | 2023 |
| RD Contracting Limited | Construction | 2025 |
| RDH Security Limited | Administrative & support | 2016 |
| RDL Finishings Limited | Construction | 2024 |
| RDN Counselling Ltd | Health & social care | 2024 |
| RDP of Rotherham Ltd | Professional & scientific | 2016 |
| RDPKP1 Ltd | Financial services | 2026 |
| RDPKP2 Ltd | Financial services | 2026 |
| RDV H&S Ltd | Professional & scientific | 2022 |
| Re-Clad Roofing Ltd | Construction | 2026 |
| Reach (Ferham) Limited | Arts & recreation | 2005 |
| Reach Studios Limited | Information & communication | 2010 |
| Ready SET Wean Ltd | Health & social care | 2025 |
| Real Estate Consultancy (R E C) Ltd | Real estate | 2025 |
| Real Media Assets Ltd | Information & communication | 2024 |
| Real Time Web Solutions Ltd | Information & communication | 2014 |
| Reality Unisex Hair & Beauty Limited | Other services | 2019 |
| Rebels Resale and Community Hub C.I.C. | Wholesale & retail | 2025 |