| Replan and Design Ltd | Professional & scientific | 2019 |
| Repricee Limited | Information & communication | 2025 |
| Requisite Safety Group Ltd | Other services | 2016 |
| Rescue One Group Limited | Education | 2025 |
| Rescue One Medical Ltd | Health & social care | 2023 |
| RESELLCLOTHING2024 Ltd | Wholesale & retail | 2024 |
| Residence Collection Stays Ltd | Hospitality | 2026 |
| Residential 2022 Ltd | Real estate | 2022 |
| Resilient and Ready Ltd | Administrative & support | 2023 |
| Resilient Consultancy Ltd | Education | 2023 |
| Resistance Roofing Solutions Ltd | Construction | 2025 |
| Resolve Drainage & Construction Ltd | Water & waste | 2024 |
| Response Contracts Limited | Financial services | 2013 |
| Response Rutland Limited | Construction | 2016 |
| Responsible Affiliates in Gambling | Arts & recreation | 2019 |
| Restart Ready Training Limited | Education | 2025 |
| Restfold Nursing Care Limited | Professional & scientific | 1987 |
| Restoke C.I.C. | Arts & recreation | 2017 |
| Restore the Planet Solutions Limited | Manufacturing | 2024 |
| Restup Retreats Ltd | Real estate | 2024 |
| Restyle Auto Group Ltd | Wholesale & retail | 2025 |
| Restyle Interiors Limited | Construction | 2010 |
| Reto Care Limited | Health & social care | 2016 |
| Reto Estates Ltd | Real estate | 2025 |
| Retreat Yourself Catering Limited | Hospitality | 2025 |
| Retro Lounge Newcastle Ltd | Hospitality | 2021 |
| Retro Machinery Parts Limited | Wholesale & retail | 2026 |
| Reuel & Rohan Company Ltd | Health & social care | 2020 |
| Revamping the North East Limited | Real estate | 2019 |
| Revermatic Limited | Manufacturing | 2019 |
| Revive Creative Limited | Professional & scientific | 2015 |
| Revive Design Ltd | Other services | 2013 |
| Revive Education Group Ltd | Education | 2026 |
| Revive Upvc Painting Systems Ltd | Construction | 2016 |
| Reynolds and Litchfield Limited | Construction | 1960 |
| Reynolds and Litchfield Trustee Limited | Financial services | 2025 |
| Reynolds Plumbing & Services Limited | Construction | 2025 |
| RF Music Ltd | Administrative & support | 2019 |
| RFP Properties Limited | Real estate | 2022 |
| RFS Accounts Limited | Professional & scientific | 2013 |
| RG Constructions SER Ltd | Construction | 2025 |
| RG Lettings Ltd | Real estate | 2024 |
| RGT (Holdings) Limited | Professional & scientific | 2013 |
| RH Electrical Contracting Ltd | Construction | 2025 |
| RH Express Ltd | Transport & logistics | 2026 |
| RH Hospitality Events Ltd | Hospitality | 2025 |
| RH Rail Consult Ltd | Professional & scientific | 2018 |
| RHA Trading Solutions Ltd | Financial services | 2025 |
| Rhema Ventures Ltd | Wholesale & retail | 2024 |
| Rhiedorrach Estates LLP | | 2012 |
| Rhinocert Ltd | Information & communication | 2026 |
| Rhiya Estates Ltd | Construction | 2026 |
| Rhodevans Limited | Real estate | 2009 |
| Rhodian Consulting Limited | Administrative & support | 2024 |
| RHS Advisory Ltd | Professional & scientific | 2026 |
| Rhys Thompson Services Limited | Transport & logistics | 2016 |
| Ri-Fi Entertainment Ltd | Arts & recreation | 2026 |
| Riaz-Consultancy Limited | Professional & scientific | 2026 |
| RIB Enterprise Limited | Health & social care | 2020 |
| Ribquest Limited | Manufacturing | 2015 |
| Rich Fit Window and Doors Ltd | Construction | 2025 |
| Richard H. Potts Financial Services Limited | Financial services | 2005 |
| Richard J Scholes Legal Services Limited | Professional & scientific | 2013 |
| Richard Schutz Ltd | Wholesale & retail | 2025 |
| Richard Taylor Agri Ltd | Wholesale & retail | 2020 |
| Richards Property Investment Group Ltd | Real estate | 2023 |
| Richards Vision Distributions Ltd | Wholesale & retail | 2022 |
| Richardson Land & Capital Limited | Financial services | 2025 |
| Richardson's Dream Interiors Ltd | Construction | 2026 |
| Richardsons EWI & Building Services Ltd | Construction | 2013 |
| Richcomstudios Ltd | Professional & scientific | 2025 |
| Ride & Go Ltd | Wholesale & retail | 2025 |
| Ride Star Private Hire Ltd | Transport & logistics | 2023 |
| Ridgard International Ltd | Hospitality | 2016 |
| Ridge Property Holdings Limited | Real estate | 2017 |
| Riedel Crystal Limited | Wholesale & retail | 2009 |
| Riedel Limited | Wholesale & retail | 2011 |
| RIF RAF Hanley Ltd | Wholesale & retail | 2026 |
| Riff Factory Venue Limited | Arts & recreation | 2024 |
| Riggmax Ltd | Professional & scientific | 2014 |
| Right Financial Planning Ltd | Financial services | 2013 |
| Right Step Nursery & Kids Club | Education | 2016 |
| Right UP My Street Ltd | Real estate | 2025 |
| Riib Ltd | Information & communication | 2024 |
| Rimi Trans Ltd | Transport & logistics | 2018 |
| Rimmingtons Ltd | Wholesale & retail | 2025 |
| Rioja Hatch Taxis Limited | Transport & logistics | 2003 |
| Ripple Effec Ltd | Health & social care | 2025 |
| Rise N Thrive Care Home Limited | Health & social care | 2026 |
| Rising Stars Care Ltd | Health & social care | 2026 |
| Risk Based Management Solutions Ltd | Professional & scientific | 2017 |
| Riskshell Limited | Information & communication | 2011 |
| RIT Stitches Ltd | Manufacturing | 2025 |
| River Condition Assessments Ltd | Professional & scientific | 2022 |
| River Nile Shop Limited | Wholesale & retail | 2025 |
| Riverside 2 Management Limited | Households | 2004 |
| Riverside Court (Hanley) Limited | Hospitality | 2007 |
| Riyaan Convenience Store UK Limited | Wholesale & retail | 2022 |
| Rizwan Khan Ltd | Wholesale & retail | 2025 |
| RJ & MRS EM Smith & Sons Ltd | Administrative & support | 2010 |