| Renard Consultancy Limited | Administrative & support | 2008 |
| Renowned Ltd | Professional & scientific | 2020 |
| Rensow Limited | Extraterritorial | 2003 |
| Rensow Patisserie Limited | Extraterritorial | 1991 |
| Rentadirector Ltd | Professional & scientific | 2003 |
| Replaceglaze.Com Ltd | Construction | 2017 |
| Republic Games Ltd | Information & communication | 2024 |
| Resilient International Solutions Ltd | Financial services | 2019 |
| Resonate Artists Ltd | Arts & recreation | 2024 |
| Restaurants 360 Degrees Ltd | Professional & scientific | 2024 |
| Restfield Limited | Hospitality | 2004 |
| Reuben & Morgan Limited | Real estate | 2017 |
| REV1017 Ltd | Wholesale & retail | 2018 |
| Revert Creative Limited | Professional & scientific | 2019 |
| Revolutionate Consulting Limited | Information & communication | 2007 |
| Rewrk Property Maintenance Ltd | Construction | 2025 |
| Reymerston Hideaway Ltd | Hospitality | 2025 |
| RH Breen Group Limited | Real estate | 2022 |
| RH Estates Ltd | Real estate | 2025 |
| Rhigolter Limited | Information & communication | 2010 |
| Ricciardi Contracts Ltd | Construction | 2007 |
| Rice Vehicle Linings Limited | Other services | 2001 |
| Richard Learoyd Ltd | Arts & recreation | 2011 |
| Richards Diesel Mechanics Ltd | Manufacturing | 2024 |
| Rick Properties Ltd | Real estate | 2006 |
| Rider Trauma KIT Ltd | Wholesale & retail | 2025 |
| Ridgeline Lofts Ltd | Construction | 2019 |
| Rigabella Ltd | Information & communication | 2022 |
| Riley Tutoring Ltd | Education | 2022 |
| Ring Consulting Ltd | Administrative & support | 2023 |
| Rise Dance Studios LLP | | 2024 |
| Rivers Medical Ltd | Health & social care | 2014 |
| Riverslea (Coventry) Management Company Limited | Real estate | 2019 |
| RJ Arable LLP | | 2017 |
| RJ Clark Building & Maintenance Ltd | Construction | 2014 |
| RJ Real Estate Consulting Limited | Education | 2014 |
| RJC Ventures Limited | Construction | 2004 |
| Rjjwise Financial Ltd | Professional & scientific | 2021 |
| RKB Property Group Ltd | Real estate | 2024 |
| RL Paint Decorate Ltd | Construction | 2022 |
| RMD Logistics Ltd | Transport & logistics | 2014 |
| Rmja Limited | Administrative & support | 2013 |
| RNK Limited | Real estate | 2021 |
| RO Taste Ltd | Wholesale & retail | 2022 |
| Ro-Am Prime Limited | Other services | 2025 |
| Roam Studio Limited | Professional & scientific | 2021 |
| Robert Hurst Ltd | Households | 2025 |
| Robert K Muir Ltd. | Construction | 2011 |
| Roberto Zeolla Limited | Hospitality | 2025 |
| Robin Nichols Holdings Ltd | Financial services | 2019 |
| Robinson E-Commerce Ltd | Wholesale & retail | 2023 |
| Robinson Investment Group Limited | Financial services | 2025 |
| Robinson Portfolio Ltd | Financial services | 2023 |
| Rochi Service Ltd | Information & communication | 2021 |
| Rock @ Theydon Ltd | Wholesale & retail | 2021 |
| Rock Paper Scissors Productions Ltd | Information & communication | 2025 |
| Rockwood Kitchens Limited | Construction | 2016 |
| Rohan Homes Ltd | Construction | 2011 |
| Roka Spring Limited | Real estate | 2026 |
| Rokem Ltd | Real estate | 2024 |
| Rokka Investments Limited | Real estate | 2021 |
| Romans Recruitment Group Ltd | Administrative & support | 2021 |
| Rondi Property Limited | Real estate | 2020 |
| Rondor Services Limited | Administrative & support | 2015 |
| Ronsio Limited | Hospitality | 2024 |
| Ronya Property Limited | Real estate | 2018 |
| ROO and EVE Limited | Professional & scientific | 2022 |
| Rook Legal Limited | Professional & scientific | 2022 |
| Root Retreats Ltd | Other services | 2025 |
| Roots 2 Success CIC | Education | 2025 |
| Rosa Taxi Ltd | Transport & logistics | 2026 |
| Rose & Crown (Stanton) Management Company Limited | Real estate | 2018 |
| Rose Aesthetics (London) Ltd | Other services | 2019 |
| Rose Ashby Consultancy Limited | Professional & scientific | 2026 |
| Rose Ashby Events Limited | Hospitality | 2026 |
| Rouse Air Conditioning Ltd | Construction | 2019 |
| Rouse Aviation Limited | Manufacturing | 2023 |
| Roweco Rural Limited | Information & communication | 2015 |
| Rowland Ridgwell Limited | Wholesale & retail | 1963 |
| Royle & Red Taverns Limited | Real estate | 1997 |
| Royston Funeral Services Limited | Extraterritorial | 1998 |
| RPA Property Ltd | Agriculture & fishing | 2018 |
| RPM Contractors Ltd | Construction | 2025 |
| RPM Fire Prevention Ltd | Construction | 2025 |
| RS & SC Property Ltd | Real estate | 2024 |
| RS Quality Decorators Ltd | Construction | 2020 |
| RSR Porscha Limited | Wholesale & retail | 2018 |
| RSR Porscha UK Ltd | Other services | 2020 |
| RTH Group Ltd | Construction | 2021 |
| Ruggerbugs Limited | Education | 2007 |
| Ruggerkidz Limited | Education | 2012 |
| Rumrunnerstv Ltd | Wholesale & retail | 2018 |
| Rundle Blake Limited | Professional & scientific | 2022 |
| Ruslan International Limited | Transport & logistics | 2006 |
| Russell D Green Limited | Extraterritorial | 2009 |
| Russell PP (Lettings) Limited | Real estate | 2005 |
| Russell PP (Sales) Limited | Real estate | 1999 |
| Russell Property (Stansted) Limited | Real estate | 2017 |
| Russell Property Partnership Limited | Construction | 1997 |
| Russet Moon Consulting Ltd | Administrative & support | 2018 |