| Richard Canning Ltd. | Professional & scientific | 2016 |
| Richard Owen Joinery Ltd | Construction | 2010 |
| Richardson Taverns Ltd | Extraterritorial | 2014 |
| Richie COM Limited | Real estate | 2006 |
| Richie's Engineering Consultancy Ltd | Professional & scientific | 2022 |
| Richieco Limited | Real estate | 2006 |
| Ricky Hughes Limited | Transport & logistics | 2016 |
| Riddex Services Ltd | Arts & recreation | 2025 |
| Ride the Tide Limited | Other services | 2022 |
| Right Place Property Ltd | Real estate | 2013 |
| RIM Artium LLP | | 2010 |
| Risk Management Training Limited | Professional & scientific | 2019 |
| Rivals Publishing Limited | Information & communication | 2014 |
| Rivmec Engineering Services Ltd | Manufacturing | 2026 |
| Rivo Technologies Ltd | Manufacturing | 2025 |
| RJ Services (Yorkshire) Limited | Arts & recreation | 2015 |
| RJC Corporation Ltd | Construction | 2025 |
| RJC Fabrications Ltd | Manufacturing | 2025 |
| RJC Installations Ltd | Construction | 2022 |
| RJK Property & Investment Limited | Real estate | 2025 |
| RJK Refrigeration Services Ltd | Construction | 2018 |
| RKT Property Limited | Real estate | 2026 |
| Rlcv Building Services Limited | Construction | 2018 |
| RLH Residential Limited | Real estate | 2018 |
| RLP Advisory Services Ltd | Professional & scientific | 2026 |
| RM (UPB) Ltd | Manufacturing | 2017 |
| RM3 Group Ltd | Construction | 2023 |
| RMN Contractors Ltd | Construction | 2026 |
| RMU Holdings 2021 Limited | Real estate | 2021 |
| RMU Holdings Limited | Real estate | 2006 |
| RMU Properties Limited | Professional & scientific | 2006 |
| Road Ready Automotive Ltd | Wholesale & retail | 2024 |
| Road-Works Ltd | Construction | 2021 |
| Roadtech Designs Limited | Professional & scientific | 2024 |
| Robert P Webb Ltd | Financial services | 2018 |
| Roberts Enterprises (Builders & Farmers) Limited | Agriculture & fishing | 1976 |
| Robinson Forge Limited | | 1985 |
| Robinson Frost Consulting Limited | Professional & scientific | 2025 |
| Robinwood Autos Ltd | Wholesale & retail | 2023 |
| Robinwood Logistics Ltd | Transport & logistics | 2022 |
| Rock-Mill Couriers Ltd | Transport & logistics | 2024 |
| Rocket Gecko Solutions Ltd | Professional & scientific | 2018 |
| Rockylodge Dogs Ltd | Agriculture & fishing | 2023 |
| Rogey Ltd | Wholesale & retail | 2024 |
| Rogowska Property Consulting Limited | Real estate | 2026 |
| Rojas GR Ltd | Information & communication | 2025 |
| Rojda Ltd | Hospitality | 2024 |
| Rolad Services Limited | Health & social care | 2022 |
| Roni Cafe Ltd | Hospitality | 2024 |
| Roofing Specialists Yorkshire Limited | Construction | 2026 |
| Ropergate Architecture Ltd | Construction | 2017 |
| Ropergate Brewery Ltd | Hospitality | 2023 |
| Ropergate Physio Clinic Limited | Other services | 2024 |
| Ropergate Properties Ltd | Real estate | 2022 |
| Rosco Leisure Ltd | Hospitality | 2025 |
| Rose Aesthetics Yorkshire Ltd | Other services | 2019 |
| Rose Aesthetics Yorkshire Skin Care Ltd | Other services | 2022 |
| Rose MAE Property Limited | Real estate | 2025 |
| Rose Property Management Yorkshire Ltd | Real estate | 2025 |
| Rosemary Logistics Ltd | Transport & logistics | 2015 |
| Rosewood Consultancy Ltd | Professional & scientific | 2018 |
| Rosewood Minds Ltd | Health & social care | 2023 |
| Rosewood Stables Limited | Agriculture & fishing | 2022 |
| Rossonero Couriers Ltd | Transport & logistics | 2017 |
| Rotherforth Builders Ltd | Construction | 2008 |
| Route Publishing Limited | Information & communication | 2008 |
| Rowley Lane Property Management Ltd | Households | 2021 |
| Royd Moor Ltd | Energy | 2009 |
| RPB RE Group Ltd | Construction | 2022 |
| RPL Sealants Ltd | Construction | 2018 |
| RRL Property Ltd | Real estate | 2025 |
| RS Sports Distribution Ltd | Extraterritorial | 2019 |
| RSB Property Holdings Ltd | Construction | 2026 |
| RSG Live Design Ltd | Professional & scientific | 2025 |
| RSK Ventilation Ltd | Manufacturing | 2026 |
| RSR Yorkshire Ltd | Construction | 2025 |
| Rsva Haulage Limited | Transport & logistics | 2018 |
| RTW Civil Engineering Ltd | Construction | 2019 |
| Rucky Holdings Ltd | Real estate | 2025 |
| Rudd-Land Groundworks Ltd | Construction | 2025 |
| Russ Brooks Ltd | Manufacturing | 2025 |
| Russ Wood Wealth Management Ltd | Financial services | 2010 |
| Russell JON Ltd | Real estate | 2020 |
| Rustic Heart Ltd | Construction | 2025 |
| Rusty Media Limited | Administrative & support | 2022 |
| Rusty Robin Limited | Wholesale & retail | 2020 |
| RVL Developments Ltd | Construction | 2018 |
| Rwtm Ltd | Other services | 2020 |
| Ryans and FOY Hemsworth Limited | Other services | 2026 |
| Ryba Haulage Ltd | Administrative & support | 2025 |
| RYS Machinery Ltd | Wholesale & retail | 2023 |
| Rytech Automation Ltd | Professional & scientific | 2021 |
| S & B Designs Ltd | Professional & scientific | 2022 |
| S & B Smallman & Sons Ltd | Construction | 2023 |
| S & J Transportation Limited | Transport & logistics | 2016 |
| S & S Concrete Flooring Limited | Construction | 2012 |
| S Betts & Sons Limited | Construction | 2007 |
| S Bissell Transport Limited | Transport & logistics | 2025 |
| S C Grant Plumbing & Heating Ltd | Construction | 2006 |
| S Foster Installations Limited | Construction | 2005 |