| Raventhorpe Civils Limited | Construction | 2026 |
| Raventhorpe Nursery Limited | Agriculture & fishing | 2010 |
| Rawding Properties Limited | Households | 2013 |
| Raynworth Properties Limited | Households | 1982 |
| Razor Sharp-Uk Limited | Manufacturing | 2022 |
| RDF Property Rentals Ltd | Real estate | 2016 |
| Rebecca ORE Coaching Limited | Other services | 2026 |
| Recruitsubsea Ltd | Administrative & support | 2012 |
| Recycling Resources Limited | Administrative & support | 2009 |
| Red Frog Design Limited | Administrative & support | 2008 |
| Red Monkey Consulting Ltd | Information & communication | 2019 |
| Red Pocket Trade Ltd | Wholesale & retail | 2024 |
| Red Stakes Recruitment Limited | Administrative & support | 2026 |
| Redaka Limited | Information & communication | 2023 |
| Redeye Creative Limited | Information & communication | 2012 |
| Redeye Media Limited | Information & communication | 2002 |
| Redfish Enterprises Limited | Real estate | 2020 |
| Redfish Group Limited | Information & communication | 2002 |
| Redfish Medical Limited | Wholesale & retail | 2012 |
| Redlands Leasing Limited | Wholesale & retail | 2005 |
| Redric Holdings Ltd | Financial services | 2013 |
| Redroc Holdings Limited | Extraterritorial | 2021 |
| Redroof Investments Ltd | Real estate | 2019 |
| Reduce the Risk Ltd | Professional & scientific | 2022 |
| Redwoods Development (Leven) Limited | Construction | 2020 |
| Redwoods Livery (Leven) Limited | Agriculture & fishing | 2023 |
| Regal Construction Limited | Construction | 2015 |
| Regenix Peptides Ltd | Wholesale & retail | 2026 |
| Regent Mobile Homes Limited | Manufacturing | 2019 |
| Regents Group Limited | Other services | 2024 |
| Reign Logistics Limited | Transport & logistics | 2025 |
| Reign Performance Vehicles Ltd | Wholesale & retail | 2022 |
| Rekim Solutions Limited | Administrative & support | 2012 |
| Relax Core Ltd | Information & communication | 2014 |
| Reloved Properties Ltd | Real estate | 2025 |
| Rent East Yorkshire Ltd | Households | 2009 |
| Rent Repay Ltd | Professional & scientific | 2025 |
| Rentpro Capital Limited | Real estate | 2002 |
| Resiliente Beverley Limited | Hospitality | 2024 |
| Resiliente Heron Lakes Limited | Hospitality | 2024 |
| Revival Resource Capital PLC | Financial services | 2022 |
| Revo Group Ltd | Manufacturing | 2026 |
| RH Wilson (Commercials) Limited | Wholesale & retail | 2011 |
| Rich House Services Limited | Households | 2018 |
| Richard Ellerington Ltd | Agriculture & fishing | 2019 |
| Richard James Homes Limited | Construction | 2002 |
| Richard White Advertising and Marketing Limited | Professional & scientific | 1986 |
| Richard Wood Associates Ltd | Professional & scientific | 2016 |
| Richardson Electrical (UK) Limited | Construction | 2003 |
| Richardson's Food & Safety Consulting Limited | Professional & scientific | 2019 |
| Richmond Properties (UK) Limited | Construction | 2001 |
| Rida Hospitality UK Limited | Other services | 2024 |
| Ridge Court Ltd | Financial services | 2022 |
| Ridings Automotive Financial Services Ltd | Financial services | 2020 |
| Ridings Forestry (UK) Limited | Agriculture & fishing | 2007 |
| Ridings Homes Limited | Construction | 2024 |
| Ridley Bowman Properties Limited | Real estate | 2018 |
| Right Residential Limited | Real estate | 2017 |
| Rise Healthcare Services Limited | Health & social care | 2023 |
| Rise Inclusion Limited | Education | 2025 |
| Rise Physiotherapy Limited | Health & social care | 2023 |
| Riseam Associates Limited | Other services | 2010 |
| Risewood Holdings Ltd | Financial services | 2022 |
| Rising ZAL Company Limited | Hospitality | 2009 |
| Risk Control Systems Ltd | Professional & scientific | 2013 |
| River View Funeral Services Limited | Other services | 2025 |
| Riverside Park Holdings Ltd | Hospitality | 2025 |
| Riverside Services (Hull) Limited | Administrative & support | 2000 |
| Riverview Auto Repairs Ltd | Wholesale & retail | 2014 |
| Riverview Fitness Centre Limited | Real estate | 2007 |
| RJ Building Surveyors Limited | Professional & scientific | 2024 |
| RM Commercial Holdings Ltd | Real estate | 2025 |
| RM Joinery Kitchens & Bedrooms Limited | Manufacturing | 2020 |
| Rmgg Properties Limited | Real estate | 2022 |
| RMV Valves Limited | Manufacturing | 2024 |
| Robert Edward Wesley Clark Limited | Extraterritorial | 2025 |
| Robert Holland Funeral Director Limited | Other services | 2002 |
| Robert James Engineering Limited | Professional & scientific | 2017 |
| Roberts 1508 Ltd | Other services | 2025 |
| Roberts Mobility Limited | Wholesale & retail | 2011 |
| Robertson Estates Ltd | Hospitality | 2024 |
| Robinson Contract Services Limited | Agriculture & fishing | 2003 |
| Robinsons Bar Limited | Hospitality | 2023 |
| Robson Architecture Limited | Professional & scientific | 2021 |
| Rocket Stonemasonry Ltd | Manufacturing | 2020 |
| Rockets Nails Ltd | Other services | 2024 |
| Rogerson Hilton Limited | Professional & scientific | 2014 |
| Romaine Frank Properties Limited | Professional & scientific | 2024 |
| ROOMS4IMPROVEMENT Limited | Construction | 2008 |
| Roos and District CIC | Other services | 2014 |
| Root Kemal Limited | Health & social care | 2024 |
| Rose & Crown (Flamborough) Ltd | Hospitality | 2021 |
| Rose & Hunt Limited | Health & social care | 2024 |
| Roserock Developments Ltd | Real estate | 2007 |
| Rosstc Properties Ltd | Real estate | 2023 |
| Routec (GB) Limited | Manufacturing | 2005 |
| Routes 2 Change CIC | Health & social care | 2026 |
| Routh Farming Limited | Agriculture & fishing | 2007 |
| Rowland Restorative Dentistry Limited | Health & social care | 2015 |
| RP Plumbing & Mechanical Services Limited | Construction | 2025 |