| R P Electrical(Telford) Ltd | Construction | 2024 |
| R Prasad Limited | Energy | 2014 |
| R S Bains Transport Ltd | Transport & logistics | 2021 |
| R Thind Builders Ltd | Construction | 2017 |
| R&B Property Group Ltd | Information & communication | 2017 |
| R&B UK JT Limited | Wholesale & retail | 1982 |
| R&F Holdings Ltd | Real estate | 2025 |
| R&G Home Cleaners Ltd | Administrative & support | 2025 |
| R&H Key Estates Limited | Real estate | 2023 |
| R&H Key Services Limited | Real estate | 2023 |
| R&S Autos Telford Ltd | Wholesale & retail | 2025 |
| R. D. Sharman Ltd | Construction | 2014 |
| R. Vesta Ltd | Transport & logistics | 2017 |
| R.A. Dodd Ltd | Hospitality | 2024 |
| R.D. Clarke | Construction | 2004 |
| R.L. Holding Transport Services Limited | Transport & logistics | 1999 |
| R.O Rental Properties Ltd | Real estate | 2025 |
| R.Spaull Properties Ltd | Real estate | 2023 |
| R173 Investments Ltd | Real estate | 2025 |
| RA5 School of Motoring Limited | Other services | 2019 |
| Race Away RPM Ltd | Administrative & support | 2025 |
| Race Durare Limited | Arts & recreation | 2025 |
| Racetek Products Limited | Manufacturing | 2023 |
| Rachywise Ltd | Health & social care | 2026 |
| Radial Windows Limited | Professional & scientific | 2012 |
| RAF Haulage Ltd | Transport & logistics | 2016 |
| Raffagli Ltd | Construction | 2025 |
| Raghuram Ltd | Hospitality | 2024 |
| Rai's Eco World Ltd | Information & communication | 2025 |
| Rail & Civils Solutions Ltd | Administrative & support | 2015 |
| Railpro Consulting Ltd | Professional & scientific | 2026 |
| Rainbow Faces Ltd | Other services | 2002 |
| Rakariko Ltd | Information & communication | 2024 |
| Rallypoint Games Limited | Wholesale & retail | 2025 |
| Ralph Corbett Consulting Limited | Administrative & support | 2011 |
| RAM Global IT Solutions Limited | Information & communication | 2015 |
| Ramaty Ltd | Other services | 2019 |
| Ramp Consultants Ltd | Professional & scientific | 2015 |
| Ramsay Sports Consultancy Limited | Arts & recreation | 2024 |
| Ranchinvestment Limited | Real estate | 2013 |
| Randell & Sims Outdoor Services Ltd | Administrative & support | 2024 |
| Randhawa Logistic Ltd | Transport & logistics | 2025 |
| Randlay Colts CIC | Arts & recreation | 2024 |
| Randles Developments Limited | Construction | 2014 |
| Randmoor Limited | Professional & scientific | 2019 |
| Range Auto Parts Limited | Wholesale & retail | 2025 |
| RAP Logistics Ltd | Transport & logistics | 2019 |
| RAP Services Ltd | Water & waste | 2007 |
| Rapid Rescue 24/7 Ltd | Transport & logistics | 2026 |
| Rapid Vehicle Rentals (Shropshire) Ltd | Administrative & support | 2024 |
| Raptor Bookkeeping Ltd | Professional & scientific | 2025 |
| Raraa Global Ltd | Wholesale & retail | 2025 |
| Rare Wood Limited | Education | 2003 |
| Rarox Ltd | Administrative & support | 2018 |
| Rascl Limited | Wholesale & retail | 2023 |
| Rashid Real Estate Limited | Real estate | 2021 |
| Rata Property Ltd | Real estate | 2023 |
| Raughlan Property Company Limited | Real estate | 2017 |
| RAW Materials Imp/Exp Ltd | Construction | 2023 |
| RAW Utilities Limited | Construction | 2021 |
| Rayan Stuart Barber Ltd | Other services | 2025 |
| RAYAN09 Limited | Transport & logistics | 2022 |
| Rayglow Limited | Professional & scientific | 2008 |
| Rayn Trans Ltd | Transport & logistics | 2018 |
| Raze Aseman Paytakht Ltd | Information & communication | 2025 |
| RC Compliance & Consultancy Limited | Professional & scientific | 2025 |
| RCT Consultants Limited | Construction | 2022 |
| RCW Properties Ltd | Real estate | 2025 |
| RD Engineering Solutions Limited | Professional & scientific | 2008 |
| RD Locums Ltd | Health & social care | 2014 |
| Rdent Installations Limited | Manufacturing | 1999 |
| RDI Global Ltd | Extraterritorial | 2013 |
| RDI Alliance Ltd | Transport & logistics | 2019 |
| RDJ Consulting Services Ltd | Professional & scientific | 2019 |
| RDN Holdings Limited | Financial services | 2018 |
| RDR Bearings Limited | Extraterritorial | 1997 |
| RE Fresh Aesthetics & Beauty Ltd | Other services | 2019 |
| React Electrical Supplies Limited | Wholesale & retail | 2007 |
| Realest Designs Ltd | Professional & scientific | 2023 |
| Reality Simulations Limited | Extraterritorial | 2021 |
| Reality Tours Consulting Ltd | Administrative & support | 2014 |
| REALSOLUTION4U Ltd | Professional & scientific | 2026 |
| Reassure Companies Services Limited | Financial services | 2008 |
| Reassure FSH UK Limited | Financial services | 2011 |
| Reassure Group Limited | Financial services | 2018 |
| Reassure Life Limited | Financial services | 1978 |
| Reassure Life Pension Trustees Limited | Financial services | 1981 |
| Reassure LL Limited | Financial services | 1978 |
| Reassure Midco Limited | Financial services | 1994 |
| Reassure Nominees Limited | Extraterritorial | 1950 |
| Reassure Pension Trustees Limited | Financial services | 1984 |
| Reassure PM Limited | Financial services | 1970 |
| Reassure Trustees Limited | Extraterritorial | 1983 |
| Reassure Two Limited | Extraterritorial | 1963 |
| Reassure UK Life Assurance Company Limited | Administrative & support | 1960 |
| Reassure UK Services Limited | Financial services | 2011 |
| Rebal Ltd | Other services | 2019 |
| Rebecca Haydon Ltd | Administrative & support | 2022 |
| Rebecca MAY Photography Ltd | Professional & scientific | 2020 |
| Rebel Natured Ltd | Manufacturing | 2025 |