| Rafi&Co Ltd | Households | 2019 |
| Raheela Mistry Consultancy Ltd | Professional & scientific | 2019 |
| Rainbow Vista Limited | Real estate | 2008 |
| Rainbows & Unicorns AI Limited | Information & communication | 2016 |
| Rainhall Developments Limited | Hospitality | 2003 |
| RAM Landscaping Ltd | Administrative & support | 2023 |
| Rampart Estates Limited | Wholesale & retail | 2017 |
| Rashidun Sadaqah ORG CIC | Education | 2022 |
| Ravens Repair Service Limited | Manufacturing | 2020 |
| Ravenstone Projects Ltd | Construction | 2019 |
| RAW Surgical Limited | Health & social care | 2023 |
| Rawdon Acupuncture and Wellness Clinic Ltd | Health & social care | 2026 |
| Raymond Town Menswear LLP | | 2017 |
| RCS Properties (Harrogate) Ltd | Real estate | 2015 |
| Re-Vive Spaces Limited | Professional & scientific | 2021 |
| Readshaw Interiors Ltd | Financial services | 2022 |
| Real Food Ilkley CIC | Hospitality | 2015 |
| Real Price Accountancy Limited | Administrative & support | 2013 |
| Real World Training Ltd | Professional & scientific | 2014 |
| Realised Projects Limited | Construction | 2024 |
| Rebalanceacademy Ltd | Education | 2025 |
| Rebates by Bmse Ltd | Professional & scientific | 2024 |
| Red Garth (Management) Limited | Households | 1989 |
| Red Lion BIW Ltd | Hospitality | 2018 |
| Red Seven Adamo Limited | Information & communication | 2021 |
| Redlionhotelbiw Limited | Hospitality | 2025 |
| Redman Partnership LLP | | 2007 |
| Redstone Building Services Ltd | Construction | 2019 |
| Rees Chiropractic Clinics Limited | Health & social care | 2003 |
| Refused a Mortgage Ltd | Financial services | 2026 |
| Regent 89 Limited | Real estate | 1988 |
| Regent Dental Ltd | Health & social care | 2024 |
| Regent House Management (Ilkley) Limited | Households | 1986 |
| Regent Management Limited | Real estate | 1988 |
| Rehabilitation Workers Professional Network Ltd | Administrative & support | 2014 |
| Reindeer Developments Ltd | Construction | 2023 |
| Reinforced Concrete Services (NW) Ltd | Construction | 2018 |
| Relentless Industrial Ltd | Real estate | 2022 |
| Relentless Interiors Limited | Construction | 2016 |
| Remote Sensing Specialists Limited | Professional & scientific | 2016 |
| Resonance the Agency Ltd | Professional & scientific | 2024 |
| Restmore Lodges Ltd | Real estate | 2021 |
| Retro Disco Limited | Extraterritorial | 2021 |
| Reuben James Recruitment Ltd | Administrative & support | 2019 |
| Rewire Ltd | Administrative & support | 2016 |
| RFS Group Holdings Ltd | Financial services | 2017 |
| RG and Co Limited | Manufacturing | 2012 |
| RG Finance Limited | Professional & scientific | 2025 |
| RH Productions Limited | Other services | 2013 |
| Rheal Stays Ltd | Real estate | 2025 |
| Rhodes Ecology Ltd | Professional & scientific | 2011 |
| Rhubarb Legal Limited | Professional & scientific | 2022 |
| Rhydding Management Limited | Real estate | 1994 |
| Ribston Pippin Limited | Professional & scientific | 2013 |
| Rickerby Group Limited | Real estate | 2026 |
| Ridgeborn Investments Ltd | Construction | 2026 |
| Ridings Wealth Management Limited | Financial services | 2008 |
| Ridley Building Limited | Construction | 2010 |
| Ridley Haigh Consulting Limited | Professional & scientific | 2017 |
| Ridley Medical Ltd | Health & social care | 2025 |
| Ridleys Fold Management (NO 2) Limited | Households | 1990 |
| Ridleys Fold Management (NO. 3) Limited | Households | 1991 |
| Ridleys Fold Management (NO1) Limited | Households | 1990 |
| Right Brand Marketing Ltd | Professional & scientific | 2023 |
| Right Mind Mental Health Training Solutions Limited | Education | 2010 |
| Riney Publishing Limited | Information & communication | 2002 |
| Ringmaster Holdings Ltd | Professional & scientific | 2017 |
| RIO Desserts Ltd | Hospitality | 2025 |
| Risk Engineering Associates Limited | Professional & scientific | 2015 |
| Risk Engineering Resolution Limited | Construction | 2013 |
| Rivadale Interiors Ltd | Construction | 2026 |
| River Jordan Property Limited | Financial services | 2025 |
| Riverfield (HX) Limited | Real estate | 1981 |
| Riverscapes Chertsey Ltd | Transport & logistics | 2018 |
| Riverside Business Park (Ilkley) Limited | Real estate | 2002 |
| Riverslea 108 Skipton Road Ilkley Ltd | Households | 2026 |
| Rivervale Developments Ltd | Real estate | 2025 |
| Riviera Northern Ltd | Real estate | 2025 |
| RJ45 Ltd | Professional & scientific | 2026 |
| RJH Inspection Ltd | Professional & scientific | 2012 |
| RJM Consult Limited | Professional & scientific | 2016 |
| RJW Landscapes Ltd | Administrative & support | 2023 |
| RMR Medical Limited | Health & social care | 2011 |
| RN Stratum Ltd | Construction | 2023 |
| RNS Property Limited | Hospitality | 2025 |
| Robb-Webb Financial Services Limited | Professional & scientific | 2015 |
| Robbyn Caitlin Limited | Arts & recreation | 2023 |
| Robin Hill Management Company (Ilkley) Limited | Real estate | 2025 |
| Roboleo & Co Limited | Professional & scientific | 2004 |
| Roche Residential Ltd | Real estate | 2019 |
| Rock & Heifer Limited | Hospitality | 2026 |
| Rocket Science Nutrition Limited | Manufacturing | 2021 |
| Rocketrace Limited | Other services | 2015 |
| Rockrose Technical Services Ltd | Construction | 2020 |
| ROE Eccleshill Ltd | Hospitality | 2018 |
| Roger Falconer Water Consultancy Limited | Professional & scientific | 2016 |
| Rombald Limited | Information & communication | 1999 |
| Rombald Moor Management Ltd | Professional & scientific | 2020 |
| Rombald Properties Limited | Real estate | 2023 |
| Roost Architects Ilkley Ltd | Professional & scientific | 2025 |