| Rosemont Pharma Liquids Limited | Manufacturing | 2021 |
| Rosemont Pharmaceuticals Limited | Manufacturing | 1967 |
| Rosemount (Coach House) LLP | | 2017 |
| Rosemount Flat Management Company Limited | Households | 1997 |
| Rosendale Gardens Management Company Limited | Households | 2019 |
| Rosens (North) | | 1990 |
| Roses Professional Building Services Ltd | Construction | 2020 |
| Roseville Homes Ltd | Real estate | 2017 |
| Roseville Leeds Limited | Administrative & support | 2024 |
| Roseville Road Service Charge Limited | Real estate | 2024 |
| Rosewick Residential Limited | Real estate | 2025 |
| Rosewood & Co Creative Ltd | Professional & scientific | 2024 |
| Rosewood Properties (Yorkshire) Ltd | Real estate | 2019 |
| Rosewood WM IO Services Ltd | Professional & scientific | 2021 |
| Roseyplumb Limited | Wholesale & retail | 2004 |
| Rosie Green Events Limited | Arts & recreation | 2019 |
| Rosie Pearl Fashion Limited | Wholesale & retail | 2025 |
| Rosie Road Products Limited | Wholesale & retail | 2025 |
| Rosie's Home Boarding and Walkies Ltd | Administrative & support | 2013 |
| Rosindale Consulting Ltd | Professional & scientific | 2017 |
| Rosivo Delightful Dwellings Ltd | Real estate | 2024 |
| Rosmead Hill Research Limited | Professional & scientific | 2021 |
| Rosnick Ltd | Wholesale & retail | 2025 |
| Ross & Cashmore Limited | Professional & scientific | 2014 |
| Ross & Catherall Limited | Manufacturing | 2000 |
| Ross & John Properties Ltd | Real estate | 2020 |
| Ross Catering Ltd | Hospitality | 2020 |
| Ross Dental Surgeons Limited | Health & social care | 2008 |
| Ross Hall Estates Ltd | Construction | 2014 |
| Ross Metals Limited | Wholesale & retail | 2006 |
| Ross Wilding Consultant Ltd | Real estate | 2024 |
| Rossefield Chase 1960 Limited | Extraterritorial | 2014 |
| Rossendale Pet Crematorium Limited | Professional & scientific | 1979 |
| Rossett Green Investments Ltd | Financial services | 2018 |
| Rossi Pictures Limited | Information & communication | 2014 |
| Rossini Saltaire Ltd | Hospitality | 2020 |
| Rossiter Associates Limited | Professional & scientific | 2005 |
| Rostays Ltd | Hospitality | 2026 |
| Rosyar Travel Ltd | Administrative & support | 2025 |
| Rosyta Healthcare Limited | Extraterritorial | 2016 |
| Rota Staffing Limited | Health & social care | 2015 |
| Rotacaddy Holdings Limited | Financial services | 2020 |
| Rothbury Group Limited | Transport & logistics | 2021 |
| Rothbury Travel Group Limited | Transport & logistics | 2018 |
| Rotherham Energy Limited | Construction | 2022 |
| Rothgen Management Ltd. | Professional & scientific | 2014 |
| Rothsay Limited | Real estate | 2019 |
| Rothwell & Family Limited | Construction | 2006 |
| Rothwell Auto Care Ltd | Wholesale & retail | 2025 |
| Rothwell Barber Ltd | Other services | 2024 |
| Rothwell Boiler Installations Limited | Construction | 2024 |
| Rothwell Care Home Limited | Health & social care | 2021 |
| Rothwell Catering Ltd | Hospitality | 2013 |
| Rothwell Driveways&Landscaping Limited | Construction | 2025 |
| Rothwell GAS & Plumbing Limited | Construction | 2015 |
| Rothwell Haircut Ltd | Other services | 2025 |
| Rothwell Local Store Ltd | Wholesale & retail | 2023 |
| Rothwell Mini Market Limited | Wholesale & retail | 2024 |
| Rothwell OFF Road Center Ltd | Arts & recreation | 2012 |
| Rothwell Pharma Limited | Wholesale & retail | 2025 |
| Rothwell PUB Company Limited | Hospitality | 2013 |
| Rothwell West Ltd | Wholesale & retail | 2025 |
| Rotunda Estates LLP | | 2012 |
| Roughgold Properties Limited | Real estate | 2019 |
| Roukh Grand Arcade Leeds Ltd | Health & social care | 2026 |
| Roukh Horsforth Ltd | Health & social care | 2026 |
| Round Tower Consulting Limited | Professional & scientific | 2015 |
| Roundabout Pre-School Ltd | Education | 2011 |
| Roundabouts Driving School Ltd | Education | 2023 |
| Roundcroft Properties Ltd | Real estate | 2020 |
| Rounders OUT of School Club | Education | 2006 |
| Roundhay Accountants & Consultants Limited | Professional & scientific | 2020 |
| Roundhay Accountants Ltd | Professional & scientific | 2022 |
| Roundhay Chambers Limited | Professional & scientific | 2011 |
| Roundhay Chambers Management Ltd | Real estate | 2012 |
| Roundhay Consulting Limited | Professional & scientific | 2000 |
| Roundhay Crescent Management Company Limited | Households | 2020 |
| Roundhay Elmwood Court Limited | Real estate | 2019 |
| Roundhay Environmental Action Project | Other services | 2007 |
| Roundhay Golf Club Limited | Arts & recreation | 2012 |
| Roundhay Holdings Limited | Real estate | 2021 |
| Roundhay Home Bargains Ltd | Other services | 2018 |
| Roundhay Lawn Tennis Club Limited | Arts & recreation | 1952 |
| Roundhay Live Limited | Arts & recreation | 2020 |
| Roundhay Medical Services Limited | Other services | 2015 |
| Roundhay Mount Ltd | Households | 2025 |
| Roundhay Properties Limited | Real estate | 2010 |
| Roundhay Psychology Limited | Education | 2022 |
| Roundhay Road Mini Market Ltd | Wholesale & retail | 2025 |
| Roundhay Roofing Ltd | Construction | 2024 |
| Roundhay Scientific Limited | Professional & scientific | 2021 |
| Roundhay Skatepark Project CIC | Arts & recreation | 2022 |
| Roundhay Swim Ltd | Health & social care | 2022 |
| Roundhill Properties Limited | Real estate | 2024 |
| Roundview Property Group Limited | Real estate | 2019 |
| Rouse Homes Birkenshaw Limited | Construction | 2018 |
| Rouse Homes Flockton Limited | Construction | 2019 |
| Rouse Homes Limited | Construction | 2005 |
| Rouse Homes Sharow Limited | Construction | 2019 |
| Rouse Homes Tankersley Limited | Construction | 2019 |