| Rachmac Live Ltd | Construction | 2017 |
| Rackheath Residents Management Company Limited | Households | 2022 |
| Racquetdirect Limited | Wholesale & retail | 2017 |
| RAD Pizza Shop Ltd | Hospitality | 2020 |
| Radiance Dental Ltd | Manufacturing | 2019 |
| Radical 8 Games Ltd | Manufacturing | 2019 |
| Radical-P Limited | Information & communication | 2008 |
| Radiology and Oncology Congresses | Health & social care | 2000 |
| Radius Publishing Ltd | Manufacturing | 1966 |
| Radlyn Park Maintenance Limited | Households | 1982 |
| Radtek Limited | Professional & scientific | 2024 |
| RAE & RAE Opticians Ltd | Wholesale & retail | 2020 |
| RAE Design Solutions Ltd | Real estate | 2023 |
| RAE Property Investments Limited | Financial services | 2016 |
| Raeli Ltd | Wholesale & retail | 2025 |
| Raffled Limited | Wholesale & retail | 2025 |
| Rafi's Spicebox Limited | Wholesale & retail | 2010 |
| RAG Ventures Ltd | Professional & scientific | 2023 |
| Ragmans Services Limited | Real estate | 2025 |
| RAGOM3D Ltd | Manufacturing | 2025 |
| Raheel Ltd | Transport & logistics | 2019 |
| Rahmatzada Group Ltd | Wholesale & retail | 2025 |
| Rail Client Services Limited | Professional & scientific | 2016 |
| Rail Growth Limited | Professional & scientific | 2018 |
| Rail Infrastructure Services Ltd | Professional & scientific | 2014 |
| Rail Safe Design Ltd | Professional & scientific | 2021 |
| Rail Strategy Limited | Professional & scientific | 2024 |
| Railverse Ltd | Extraterritorial | 2022 |
| Railway House York Management Company Ltd | Households | 2025 |
| Railway Station Cottages Limited | Hospitality | 2013 |
| Rainbow & Reay Media Limited | Manufacturing | 2023 |
| Rainbow Equine Hospital Limited | Professional & scientific | 2013 |
| Rainbows Ceramics (York) Limited | Arts & recreation | 2012 |
| Raincloud Consulting Ltd | Professional & scientific | 2022 |
| Rainheath Limited | Agriculture & fishing | 1970 |
| Rainsborough House (Clifton) Management Company Limited | Households | 1998 |
| Rainton Gardens (Chilton Moor) Management Company Limited | Real estate | 2021 |
| Raise the Bar Selby Limited | Professional & scientific | 2014 |
| Raise York Ltd | Other services | 2026 |
| Raise Your Glass Holdings Limited | Other services | 2025 |
| Raja's Indian Cuisine Birchington Ltd | Hospitality | 2017 |
| Rajab (UK) Limited | Wholesale & retail | 2014 |
| Rajcam Limited | Real estate | 2024 |
| Rally Tours Limited | Administrative & support | 2009 |
| Rally Travel Limited | Administrative & support | 2000 |
| Ralph Rennison Ltd | Professional & scientific | 2012 |
| Ramay Bro's Ltd | Wholesale & retail | 2025 |
| Ramboss Ltd | Professional & scientific | 2026 |
| Rambuttri Limited | Hospitality | 2023 |
| Ramsareus Properties Limited | Real estate | 2014 |
| Ramsdell (Ashford Hill) Management Company Limited | Households | 2018 |
| Ramskill Japes Properties Ltd | Real estate | 2025 |
| Rand Lover Limited | Professional & scientific | 2018 |
| Randem Limited | Professional & scientific | 2007 |
| Ranes Consulting Limited | Financial services | 2025 |
| Ransh Limited | Professional & scientific | 2012 |
| Raphaels York Ltd | Hospitality | 2018 |
| Rapid Companies Limited | Professional & scientific | 2005 |
| Rapid Company Secretaries Limited | Professional & scientific | 2014 |
| Rapid Corporate Services Limited | Financial services | 2005 |
| Rapide Tanker Services Limited | Administrative & support | 2025 |
| Rapide Tankers Limited | Manufacturing | 2002 |
| Rapita Systems Limited | Information & communication | 2004 |
| RAR Colton Consulting Ltd | Professional & scientific | 2016 |
| Rascal to Gentleman Limited | Other services | 2025 |
| Rasen Limited | Real estate | 2014 |
| Raskelf Transport Services Ltd | Manufacturing | 2022 |
| Rasmussen Properties Ltd | Real estate | 2024 |
| Rated Ltd | Information & communication | 2024 |
| Rattleowl Limited | Hospitality | 2014 |
| Raven Garth Limited | Real estate | 2025 |
| Raven Real Estate Ltd | Real estate | 2026 |
| Raven Security Yorkshire Ltd | Administrative & support | 2024 |
| Raven Venture Capital Ltd | Hospitality | 2022 |
| Ravens Joy Ltd | Administrative & support | 2026 |
| Ravensdale Glamping Retreats Limited | Hospitality | 2022 |
| Ravenswick Farms Limited | Agriculture & fishing | 1965 |
| Raverat Limited | Wholesale & retail | 2012 |
| Ravsvs Limited | Health & social care | 2024 |
| RAW Coatings Limited | Manufacturing | 2019 |
| RAW Power York Ltd | Wholesale & retail | 2025 |
| Rawcliffe Caravan Company Limited | Hospitality | 1988 |
| Rawcliffe Grange Management Company Limited | Households | 2003 |
| Rawcliffe York Consulting Ltd | Professional & scientific | 2025 |
| Rawnsley Alexander Holdings Limited | Other services | 2010 |
| Rawos Ltd | Real estate | 2024 |
| Rawson Development Ltd | Construction | 2002 |
| Rawson Farms Ltd | Agriculture & fishing | 2002 |
| Rawson Fuller Limited | Wholesale & retail | 2024 |
| Rayn Corporate Ltd | Other services | 2024 |
| Rayns Services Ltd | Health & social care | 2020 |
| Raysolve Limited | Information & communication | 1998 |
| Raz&Sons Company Limited | Wholesale & retail | 2025 |
| Razz Construction Limited | Construction | 2021 |
| RB Electrical York Ltd | Construction | 2026 |
| RB Stirk IT Services Limited | Information & communication | 2019 |
| RBA Network Limited | Professional & scientific | 2009 |
| RBC Corporation Limited | Hospitality | 2008 |
| Rblc Properties Limited | Real estate | 2016 |
| Rblc Rusholme Limited | Real estate | 2019 |