| Renowned JIU Jitsu Leeds Limited | Education | 2020 |
| Renowned JIU Jitsu Rotherham Limited | Education | 2023 |
| Renowned JIU Jitsu Wakefield Limited | Education | 2021 |
| Renowned Kickboxing Limited | Education | 2022 |
| Renowned Kids JIU Jitsu Leeds Limited | Education | 2022 |
| Renowned Martial Arts HQ Limited | Professional & scientific | 2024 |
| Renowned Martial Arts Shop Limited | Wholesale & retail | 2019 |
| Renshaw Digital Limited | Information & communication | 2020 |
| Rentaloo Barnsley Limited | Administrative & support | 2022 |
| Repconnect Ltd | Information & communication | 2025 |
| Replay Media Limited | Professional & scientific | 2023 |
| Rerecursive Limited | Information & communication | 2019 |
| Resale Hub Limited | Wholesale & retail | 2021 |
| Resantique Ltd | Wholesale & retail | 2019 |
| Resca Parts UK Ltd | Wholesale & retail | 2024 |
| Research & Dialogue Hub UK Ltd | Information & communication | 2024 |
| Resi Group Support Ltd | Professional & scientific | 2025 |
| Resi Support Ltd | Professional & scientific | 2025 |
| Residential Maintenance Solutions Ltd | Other services | 2023 |
| Residential S72 Ltd | Professional & scientific | 2018 |
| Resitex Limited | Manufacturing | 2004 |
| Resolute Real Estate Advisory Limited | Professional & scientific | 2024 |
| Resolve BOT Limited | Information & communication | 2025 |
| Resonae Ltd | Wholesale & retail | 2026 |
| Rest & Relax Housings Ltd | Real estate | 2023 |
| Restart Medical & Aesthetics Clinic Limited | Health & social care | 2024 |
| Restart Medical & Aesthetics Clinic London Limited | Health & social care | 2026 |
| Restart Medical & Aesthetics Clinic Training London Limited | Health & social care | 2026 |
| Resvilla Limited | Wholesale & retail | 2024 |
| RET Property Holdings Ltd | Real estate | 2024 |
| Retail Fit Ltd | Construction | 2023 |
| Retro Hair & Beauty Ltd | Other services | 2021 |
| Retrodome Sheff Ltd | Arts & recreation | 2026 |
| REV Shed Moto Ltd | Wholesale & retail | 2026 |
| Revamp Auto Trim Ltd | Wholesale & retail | 2023 |
| Revamp Marketing Ltd | Professional & scientific | 2021 |
| Reverse World Ltd | Administrative & support | 2014 |
| Reversionary Property Consortium Limited | Real estate | 2003 |
| Revive & Strive Limited | Information & communication | 2016 |
| Revive Automotive Solutions Limited | Wholesale & retail | 2014 |
| Revive Engineering Services Limited | Manufacturing | 2026 |
| Revive Renovations Yorkshire Limited | Manufacturing | 2023 |
| Revive Upholstery Ltd | Other services | 2025 |
| Revolution 33 Ltd | Wholesale & retail | 2025 |
| REX MAX Ltd | Wholesale & retail | 2025 |
| Reynolds Holdings Limited | Professional & scientific | 2008 |
| Reyt Good Events Ltd | Arts & recreation | 2021 |
| RF Engineering Ltd | Manufacturing | 2015 |
| RFA Engineering Ltd | Professional & scientific | 2013 |
| Rfkm Consulting Ltd | Professional & scientific | 2024 |
| RG Event and Staffing Solutions Limited | Administrative & support | 2025 |
| RG GAS Services Ltd | Construction | 2025 |
| RG Groudworks and Landscaping Ltd | Construction | 2025 |
| RG23 Group Ltd | Construction | 2022 |
| RGD Renewable Rope Access Ltd | Construction | 2026 |
| RGR Weldmech Limited | Construction | 2024 |
| RH Communications Ltd | Professional & scientific | 2023 |
| RH Decorating Contractors Limited | Construction | 2024 |
| RH Landscaping Contractors Limited | Administrative & support | 2024 |
| RH Plastering Contractors Limited | Construction | 2016 |
| RHA (2011) Limited | Extraterritorial | 2011 |
| Rheola Works Limited | Construction | 2013 |
| Rhino Property Maintenance Ltd | Construction | 2025 |
| Rhodesia (Tylden Road) Management Company Limited | Households | 2020 |
| Rhodium Property Group Limited | Real estate | 2022 |
| Rhservs Limited | Professional & scientific | 2026 |
| Rhythm Inc. Limited | Other services | 2018 |
| Rhythm Time Ltd | Education | 2014 |
| Rich POP Limited | Construction | 2023 |
| Richard Brook Expert Services Ltd | Transport & logistics | 2013 |
| Richard Chambers Ltd | Construction | 2026 |
| Richard Gibson Media Limited | Manufacturing | 2017 |
| Richard Moulson Consultancy Ltd | Administrative & support | 2023 |
| Richard Quinn School of Drums Ltd | Education | 2015 |
| Richard Welch Ltd | Information & communication | 2017 |
| Richards Light Haulage Ltd | Transport & logistics | 2012 |
| Richardson Design & Build Limited | Construction | 2012 |
| Richmond High Management Company Limited | Professional & scientific | 2004 |
| Richmond Land Holdings Limited | Real estate | 2026 |
| RIDE2GO Limited | Transport & logistics | 2025 |
| Ridings Holdings Limited | Professional & scientific | 2004 |
| Ridoso Property Limited | Real estate | 2022 |
| Ridshaw Groundworks Ltd | Administrative & support | 2024 |
| Right Auto Parts Ltd | Wholesale & retail | 2020 |
| Right Way & Associates Ltd | Financial services | 2015 |
| Rightcast Limited | Manufacturing | 2011 |
| Rightwin Limited | Households | 1987 |
| RIK Joinery Limited | Construction | 2014 |
| Ring of Bells Royston Limited | Hospitality | 2026 |
| Ring Road Limited | Real estate | 2002 |
| Ring Road Property Limited | Real estate | 2018 |
| Rippon Property Services Limited | Real estate | 2019 |
| Risk Assessment Products Ltd | Wholesale & retail | 2021 |
| Rivelin Court Limited | Households | 2000 |
| River Veterinary Care Limited | Professional & scientific | 2019 |
| Rivermead Court (WF2) RTM Company Limited | Households | 2019 |
| Riverside Audio Visual Solutions Limited | Other services | 2024 |
| Riverside Installations Limited | Information & communication | 2019 |
| Riverside Stocktakers Limited | Administrative & support | 2003 |
| Riviera Glow Ltd | Other services | 2026 |