| Redrock Leadership Limited | Administrative & support | 2022 |
| Redwood Evolution Ltd | Wholesale & retail | 2025 |
| Redwoods Estate Agents (Halifax) Limited | Real estate | 2009 |
| Reeds Electrical Limited | Construction | 2022 |
| Reel Gourmet Limited | Wholesale & retail | 2025 |
| Reel Solutions (Film) LLP | | 2011 |
| Reel Solutions (Special Projects) Ltd | Information & communication | 2016 |
| Reel Time Activism Limited | Information & communication | 2025 |
| Refine Management Consultancy Ltd | Professional & scientific | 2026 |
| Reflecting Roadstuds Limited | Manufacturing | 1935 |
| Reflections Advisory Ltd | Professional & scientific | 2019 |
| Refresh Print Ltd | Manufacturing | 2021 |
| Regi.Co.Uk Ltd | Other services | 2024 |
| Reginald Maude Limited | Construction | 1936 |
| Regions Tea Limited | Wholesale & retail | 2024 |
| Regis Plastering Ltd | Construction | 2021 |
| Rehaboth Property Limited | Real estate | 2023 |
| Reinforced Consulting Ltd | Administrative & support | 2024 |
| Reliable Housing Rentals Ltd | Real estate | 2026 |
| Reliable UK Goods Ltd | Wholesale & retail | 2026 |
| Reliance Wholesalers Ltd | Wholesale & retail | 2022 |
| Relish Kebab House Ltd | Hospitality | 2024 |
| REM Recruitment Limited | Administrative & support | 2022 |
| Remclad Limited | Construction | 2013 |
| Remote Vector Ltd | Information & communication | 2025 |
| Remove Black Mould Limited | Construction | 2012 |
| REN RU Ltd | Professional & scientific | 2020 |
| Renaissance (Yorkshire) Limited | Real estate | 2001 |
| Renaissance Holdings (Yorkshire) Limited | Financial services | 2007 |
| Renaissance Properties (Yorkshire) Limited | Construction | 2002 |
| Renaissance Taverns Limited | Real estate | 2012 |
| Renewed Living Homes Ltd | Real estate | 2024 |
| Renny Marine Limited | Mining & quarrying | 2024 |
| Renovate My Home Ltd | Construction | 2022 |
| Rental & Development Limited | Real estate | 2024 |
| Rental Stairlifts Limited | Financial services | 2022 |
| Rentrest Ltd | Households | 2024 |
| Renuka Technologies PVT Ltd | Information & communication | 2014 |
| Renwick Hartley Ltd | Wholesale & retail | 2025 |
| Renzen Solutions Limited | Professional & scientific | 2024 |
| Repair N Go Ltd | Wholesale & retail | 2019 |
| Research Remedy Limited | Professional & scientific | 2011 |
| Reservoir Redevelopments (Dewsbury) Limited | | 2006 |
| Reset 25 Limited | Construction | 2025 |
| Resinengineering Ltd | Other services | 2024 |
| Resources and Consultancy Ltd | Administrative & support | 2019 |
| Respond Service & Maintain Limited | Professional & scientific | 2020 |
| Rest Gardens Limited | Other services | 2019 |
| Resto'Weld and Abrasives Ltd | Wholesale & retail | 2023 |
| Restorative Education and Social Care Services Ltd | Public administration | 2020 |
| Restorative Social Care Services Ltd. | Health & social care | 2016 |
| Restorative Teaching and Education Services Limited | Education | 2025 |
| Restore Aesthetics Ltd | Other services | 2021 |
| Retail Kiosks Ltd | Manufacturing | 2024 |
| Retaining Systems Ltd | Construction | 2026 |
| Retech Recycling Limited | Water & waste | 2001 |
| Retplan Limited | Real estate | 2022 |
| Retro Station Ltd | Arts & recreation | 2022 |
| Retrogue Vintage Clothing Ltd | Wholesale & retail | 2018 |
| Rettur Ltd | Wholesale & retail | 2020 |
| Revitalise Academy Ltd | Health & social care | 2025 |
| Revitalise Clinic Ltd | Health & social care | 2018 |
| Revive Asset Limited | Wholesale & retail | 2014 |
| Revive Crypto Limited | Financial services | 2023 |
| Revive Hair Design Limited | Other services | 2003 |
| Revive Medical Services Limited | Health & social care | 2018 |
| Revivebodi Ltd | Health & social care | 2024 |
| Revtorqueuk Limited | Wholesale & retail | 2025 |
| REY Trading Limited | Wholesale & retail | 2025 |
| RFA Design Ltd | Professional & scientific | 2016 |
| RFS Engineering Limited | Professional & scientific | 2013 |
| RG Floors Ltd | Construction | 2026 |
| RH Business Consultants Limited | Professional & scientific | 2003 |
| Rhinos Autostyling Ltd | Wholesale & retail | 2023 |
| Rhodes Accountancy Limited | Professional & scientific | 2012 |
| RHP Engineering Services Limited | Professional & scientific | 1999 |
| Rianna Residents Ltd | Administrative & support | 2022 |
| Ribbit HQ Limited | Professional & scientific | 2017 |
| Ribble Valley Houses Limited | Real estate | 2024 |
| Rich MID Consulting Ltd | Information & communication | 2022 |
| Richard Briggs & Associates Limited | Professional & scientific | 2024 |
| Richard Busfield Joinery Services Ltd | Construction | 2018 |
| Richard Durgan Group Limited | Financial services | 2012 |
| Richard Jowett & Sons Limited | Professional & scientific | 2018 |
| Richard P Gale Ltd | Health & social care | 2009 |
| Richard Speight Builder Ltd | Construction | 2024 |
| Richardson & SON Heating & Plumbing Ltd | Construction | 2018 |
| Richardson Claddings Ltd | Construction | 2007 |
| Richmond Advisory Limited | Extraterritorial | 2014 |
| Riddock Prior Limited | Wholesale & retail | 2025 |
| Ridgemont Management Company Limited | Households | 2006 |
| Ridiculous BIZ Ltd | Arts & recreation | 2022 |
| Rightkleen Commercial Limited | Administrative & support | 2022 |
| Rightkleen Limited | Administrative & support | 2014 |
| Rims & Trims Limited | Wholesale & retail | 2014 |
| Rinati-Tech Ltd | Wholesale & retail | 2024 |
| Ringstone Builders Limited | Construction | 2007 |
| Ringstone Engineering Ltd | Construction | 2026 |
| Ringstone Landscape Design Ltd | Administrative & support | 2022 |
| RIO Salvage Automotive Ltd | Wholesale & retail | 2023 |