| Rosie Victoria Limited | Professional & scientific | 2020 |
| Rosiebell Properties Ltd | Hospitality | 2024 |
| Rosson Ltd | Hospitality | 2020 |
| Rosy Thompson Academy of Dance Limited | Arts & recreation | 2014 |
| Rota Design Limited | Professional & scientific | 2004 |
| Roth Read Photography Ltd | Professional & scientific | 2016 |
| Rothera Health & Safety Services Limited | Professional & scientific | 2024 |
| Rotherfield House Construction Management Limited | Construction | 2020 |
| Rotrixwear Limited | Manufacturing | 2020 |
| Round Strategies Limited | Real estate | 2009 |
| Round Table Recruitment Limited | Administrative & support | 2020 |
| Roundabout Investments Limited | Real estate | 1996 |
| Roundwood Consultants Ltd | Professional & scientific | 2014 |
| Rovera Selections Limited | Manufacturing | 2026 |
| ROW Street 1964 Limited | Extraterritorial | 2013 |
| Rowe Leisure Foods Ltd | Hospitality | 2015 |
| Rowe Roofing Limited | Construction | 2013 |
| Rowe Taverns Limited | Hospitality | 2015 |
| Rowley Lane Pre-School | Education | 2013 |
| Rowley Sleight Limited | Transport & logistics | 2021 |
| Roxyuk Ltd | Transport & logistics | 2023 |
| ROY & SON Properties Limited | Real estate | 2026 |
| ROY Homes Ltd | Real estate | 2026 |
| Roya Traders Ltd | Other services | 2024 |
| Royaal Spice Ltd | Hospitality | 2024 |
| Royal Hair Care Ltd | Other services | 2019 |
| Royale Vape Ltd | Wholesale & retail | 2022 |
| Royd Edge Mill Developments Limited | Construction | 2019 |
| Royd Edge Mill Management Company Limited | Households | 2025 |
| Royd House Dental Practice Limited | Health & social care | 2006 |
| Royds Estates Limited | Real estate | 1991 |
| Royds Industrial Properties Ltd | Real estate | 2013 |
| Royds Properties Ltd | Real estate | 1987 |
| RP FES Limited | Health & social care | 2024 |
| RP Travel Hudds Ltd | Transport & logistics | 2024 |
| RPB Property Investments Ltd | Real estate | 2021 |
| RPC the Stocks Ltd | Hospitality | 2024 |
| Rpharmily Ltd | Health & social care | 2023 |
| RPS Damp Specialist Ltd | Construction | 2017 |
| RR & DR Roofing Limited | Construction | 2023 |
| RR Sporting Solutions Limited | Professional & scientific | 2023 |
| RRB Holdings Ltd | Wholesale & retail | 2026 |
| RRF Properties Limited | Real estate | 2019 |
| RS & Sons Removals Ltd | Transport & logistics | 2018 |
| RS & Sons Training UK Ltd | Transport & logistics | 2023 |
| RS Developments Yorkshire Ltd | Construction | 2021 |
| RS Groundworks Yorkshire Ltd | Construction | 2021 |
| RS Property Developers Ltd | Real estate | 2024 |
| RS Travel (Huddersfield) Limited | Transport & logistics | 2020 |
| RSA Consultancy and Support Limited | Professional & scientific | 2019 |
| RSA Optics Ltd | Health & social care | 2022 |
| RSA22 Ltd | Wholesale & retail | 2022 |
| RST Contractor Services Ltd | Construction | 2025 |
| RST Property Holdings Ltd | Real estate | 2025 |
| RST UK Project Ltd | Construction | 2023 |
| RSW Asset Management Ltd | Real estate | 2021 |
| RSW Primary Medical Services Ltd | Health & social care | 2014 |
| RT Mechanical Services Limited | Construction | 2016 |
| RTG Electrical Solutions Ltd | Construction | 2022 |
| Rubeeys Stores Ltd | Wholesale & retail | 2025 |
| Rubicon Limited | Financial services | 1980 |
| Rubies Gents Ltd | Other services | 2015 |
| Rubies Hairdressing Limited | Other services | 2014 |
| Rubtech Ltd | Wholesale & retail | 2009 |
| Ruby Locum Services Ltd | Health & social care | 2018 |
| Ruby Takeaway UK Ltd | Hospitality | 2025 |
| Ruddy Hell Ltd | Hospitality | 2026 |
| Rugare Medical Ltd | Health & social care | 2022 |
| Rugby League Cares | Arts & recreation | 2012 |
| Rugrat Race Ltd | Wholesale & retail | 2025 |
| Rugs and Kilim Gallery Ltd | Wholesale & retail | 2021 |
| Ruisonguk Ltd | Wholesale & retail | 2025 |
| Rukumbai Eats Ltd | Hospitality | 2025 |
| Rules Capital Ltd | Financial services | 2025 |
| Rumi Consulting Limited | Information & communication | 2026 |
| Rumour Limited | Manufacturing | 2025 |
| Rumpus Artisan Burgers Limited | Wholesale & retail | 2017 |
| Rumpus Holdings Limited | Real estate | 2023 |
| Rumtum Media Limited | Information & communication | 2010 |
| Run the Mill Ltd | Wholesale & retail | 2024 |
| Runesight Trading Ltd | Financial services | 2025 |
| Runhers Limited | Wholesale & retail | 2026 |
| Runnymede Developments Limited | Real estate | 1970 |
| Rural Property Solutions Limited | Real estate | 2023 |
| Rural Rehabilitation Ltd | Arts & recreation | 2020 |
| Rusne Ltd | Transport & logistics | 2018 |
| Russelldene Consulting Limited | Information & communication | 2008 |
| Rustbox Rallies Limited | Arts & recreation | 2022 |
| Rustys Auto Services Ltd | Wholesale & retail | 2024 |
| Ruvon Group Ltd | Wholesale & retail | 2025 |
| Ruya Investments Ltd | Construction | 2023 |
| RV Mobiles Ltd | Wholesale & retail | 2019 |
| RVC Vehicle Correction Ltd | Wholesale & retail | 2026 |
| RVR Commercial Properties Limited | Real estate | 2009 |
| RVR Properties Ltd | Real estate | 2003 |
| RWN Consulting Limited | Health & social care | 2017 |
| RWP Jointing Ltd | Construction | 2022 |
| RX2U Limited | Wholesale & retail | 2024 |
| Rxtx Group Ltd | Arts & recreation | 2022 |
| RY Property Hostings Ltd | Real estate | 2024 |