| Raima Motors Ltd | Wholesale & retail | 2024 |
| Rainbow Walls Ltd | Construction | 2025 |
| RAM Pharma Ltd | Wholesale & retail | 2025 |
| Ranine Yachting Ltd | Manufacturing | 2024 |
| Rave Tours Ltd | Administrative & support | 2022 |
| RC Airconditioning Limited | Construction | 2021 |
| RC Race Stars UK Ltd | Wholesale & retail | 2024 |
| RD Mechanical Limited | Construction | 2007 |
| RDN Autos Ltd | Wholesale & retail | 2024 |
| Really Useful Products Ltd | Manufacturing | 1999 |
| Reasus Shelly Limited | Information & communication | 2025 |
| Rebecca Stafford Productions Ltd | Arts & recreation | 2015 |
| Rebirth Landscapes Ltd | Construction | 2022 |
| Red Chilli 1 Ltd | Hospitality | 2018 |
| Red Chilli Yorkshire Ltd | Hospitality | 2025 |
| Red Kite Redevelopments Limited | Real estate | 2025 |
| Red OWL Communications Ltd | Wholesale & retail | 2020 |
| Redhill Site Services Ltd | Construction | 2019 |
| Redy Trans Services Ltd | Transport & logistics | 2022 |
| Reedville Limited | Information & communication | 2013 |
| Reflections Clothing Company Ltd | Wholesale & retail | 2023 |
| Reflections Housing Association Ltd | Hospitality | 2014 |
| Reflections Yorkshire CIC | Health & social care | 2020 |
| Reliable Engineering Services Limited | Professional & scientific | 2025 |
| Remedy Tech Centre Limited | Manufacturing | 2012 |
| Remi Limited | Manufacturing | 2015 |
| Renato BOI Tree Services Limited | Administrative & support | 2023 |
| Renewable Lifting Consultants Ltd | Construction | 2021 |
| Rerun Limited | Wholesale & retail | 2018 |
| Resilient Contractors Limited | Construction | 2025 |
| Resource MCK Limited | Professional & scientific | 2014 |
| Restaurant Ruta Ltd | Hospitality | 2019 |
| Restore Medical Alliance Limited | Health & social care | 2010 |
| Reverse L Limited | Construction | 2015 |
| Revival Hairdressing & Training Limited | Other services | 2013 |
| Revolution Funding Solutions Limited | Financial services | 2026 |
| RFZ Yorkshire Services Limited | Other services | 2025 |
| RGL Innovations Limited | Professional & scientific | 2013 |
| Riaans Limited | Wholesale & retail | 2018 |
| Riaz & Co Holdings Ltd | Real estate | 2020 |
| Richard Firth Electrical Limited | Construction | 2015 |
| Rigby Joinery Ltd | Construction | 2018 |
| Rise and Shine Window Cleaning Limited | Administrative & support | 2008 |
| Riverside Car Sales (Castleford) Limited | Wholesale & retail | 2011 |
| Riverside Coatings Limited | Manufacturing | 2017 |
| Riverside Signs and Designs Limited | Manufacturing | 2003 |
| Rivertrees Properties Limited | Real estate | 2022 |
| Rizz Models Ltd | Wholesale & retail | 2025 |
| RK & HS Properties Ltd | Real estate | 2025 |
| RK Tutoring Ltd | Education | 2023 |
| RKG Foods Ltd | Hospitality | 2026 |
| RMD Couriers Limited | Other services | 2026 |
| RMS Receivables Limited | Administrative & support | 2012 |
| RNG Construction Services Limited | Professional & scientific | 2019 |
| Roberts Mechanical Services Ltd | Wholesale & retail | 2023 |
| Robib Ltd | Transport & logistics | 2015 |
| Robins Nest Property Holdings Ltd | Construction | 2022 |
| Robroe Limited | Wholesale & retail | 2018 |
| Rock Castleford Ltd | Hospitality | 2025 |
| Rock of Ages Roajehols Limited | Real estate | 2023 |
| Rocket Media Enterprises Limited | Professional & scientific | 2023 |
| Rohe Services Limited | Construction | 2019 |
| Rolf C. Hagen (U.K.) Limited | Wholesale & retail | 1982 |
| Rollercoaster Investments Ltd | Real estate | 2015 |
| Roqtrading Ltd | Wholesale & retail | 2019 |
| Rose Roofing Limited | Manufacturing | 1981 |
| ROY FOX Transport and Storage Ltd | Transport & logistics | 2026 |
| ROY FOX Transport Limited | Transport & logistics | 2002 |
| RSB Property Investments Limited | Real estate | 2025 |
| Rstuk Ltd | Manufacturing | 2023 |
| RT Site Services (Yorkshire) Ltd | Administrative & support | 2026 |
| Rubix Building Services Ltd | Construction | 2024 |
| Rural Security Yorkshire Ltd | Other services | 2019 |
| Rushworths Engine Shop Ltd | Professional & scientific | 2021 |
| RW Bathroom & Interiors Ltd | Construction | 2019 |
| Ryelands Limited | Construction | 1998 |
| Rypa Ltd | Wholesale & retail | 2026 |
| S & T Services (UK) Limited | Administrative & support | 2009 |
| S & W Independent Living Limited | Health & social care | 2024 |
| S a Veterinary Surgeons Limited | Professional & scientific | 2025 |
| S Birmingham 1 Partner Limited | Health & social care | 2026 |
| S D Graphic Services Limited | Manufacturing | 2019 |
| S D Mathers Limited | Administrative & support | 2010 |
| S J Bickers Logistics Limited | Transport & logistics | 2023 |
| S J Salter Driver Hire Limited | Transport & logistics | 2018 |
| S Leeds 1 Partner Limited | Health & social care | 2026 |
| S London 1 Partner Limited | Health & social care | 2026 |
| S Telematics Ltd | Information & communication | 2026 |
| S. T. Health & Safety Limited | Professional & scientific | 2025 |
| S.H Europe Limited | Transport & logistics | 2020 |
| S.M.B Security Fencing Contractor Ltd | Construction | 2022 |
| S.T Utilities (Yorkshire) Limited | Construction | 2014 |
| Sace Property Ltd | Real estate | 2022 |
| Safe Civils and Utilities Ltd | Construction | 2020 |
| Safety Access (Yorkshire) Ltd | Construction | 2024 |
| Sahawat Ltd | Hospitality | 2026 |
| SAL Solutions Ltd | Extraterritorial | 2013 |
| SAL Ventures Ltd | Extraterritorial | 2013 |
| Salian Engineering Limited | Construction | 2005 |
| Same Day Delivery Solutions Ltd | Transport & logistics | 2021 |