| RMB Auto Limited | Wholesale & retail | 2009 |
| RMB Holdings Limited | Wholesale & retail | 2015 |
| RN Refurbs Ltd | Construction | 2024 |
| RNG Consultants Ltd | Information & communication | 2017 |
| Rnjm Ltd | Construction | 2013 |
| Roar Studios Ltd | Professional & scientific | 2017 |
| Roarsome Snacks Ltd | Wholesale & retail | 2025 |
| Roaster Guys Ltd | Manufacturing | 2017 |
| ROB Corns Neuro Limited | Health & social care | 2015 |
| ROB Jess Ltd | Professional & scientific | 2018 |
| ROB Morgan Financial Training Ltd | Education | 2013 |
| ROB1N Limited | Extraterritorial | 2020 |
| Robbie Limited | Extraterritorial | 2012 |
| Robbin Consultancy Limited | Professional & scientific | 2014 |
| Robert ARC Interiors Ltd | Construction | 2023 |
| Robert ARC Kitchens and Bathrooms Ltd | Construction | 2023 |
| Robert Clough & Co.Limited | Financial services | 1923 |
| Robertson Miller Group Limited | Real estate | 2022 |
| Robica Limited | Wholesale & retail | 2019 |
| Robin Gifts Ltd | Wholesale & retail | 2021 |
| Robina for Trade Ltd | Extraterritorial | 2022 |
| Robina International for Trade Ltd | Construction | 2022 |
| Robinson Group (Holdings) Limited | Professional & scientific | 2000 |
| Robinson Groves Limited | Administrative & support | 2018 |
| Robinsons Facilities Services Ltd | Administrative & support | 2013 |
| Robinsons GAS Limited | Wholesale & retail | 1993 |
| Robinsons Group Limited | Wholesale & retail | 1962 |
| Robinsons of Harrogate Ltd | Construction | 2024 |
| Rocambolesque Harrogate Limited | Health & social care | 2018 |
| Rocatex Limited | Wholesale & retail | 2012 |
| Roch Family Properties Ltd | Real estate | 2026 |
| Rock Lily Limited | Construction | 1997 |
| Rock N HOP Ltd | Arts & recreation | 2020 |
| Rocket Removals and Storage Ltd | Transport & logistics | 2016 |
| Rockport Limited | Extraterritorial | 2025 |
| ROCKST4R Limited | Extraterritorial | 2018 |
| Rockwealth Harrogate Limited | Financial services | 2024 |
| Rodi Consulting Ltd | Professional & scientific | 2024 |
| Rodriguez Y Dominguez Ltd | Extraterritorial | 2019 |
| Roentgen RAY Imaging Ltd | Health & social care | 2024 |
| Roger Holdings Ltd | Hospitality | 2023 |
| Roguefoods Limited | Hospitality | 2026 |
| Rojaus Limited | Wholesale & retail | 2022 |
| Roll a SIX Ltd | Wholesale & retail | 2026 |
| Roller SIX Ltd | Financial services | 2023 |
| Romeo (NW) Ltd | Real estate | 2019 |
| Romydomy Limited | Real estate | 2021 |
| Rondi Group for Trade Ltd | Construction | 2021 |
| Roneve Limited | Financial services | 2017 |
| Rong XIN Ltd | Hospitality | 2025 |
| RONN1E Limited | Extraterritorial | 2020 |
| Roofguard (Yorkshire) Ltd | Construction | 2021 |
| Roofing and Renovation Projects Ltd | Construction | 2020 |
| Roofs 2 U Limited | Wholesale & retail | 2025 |
| Rookery Group Limited | Financial services | 2018 |
| Roomroom Living Limited | Households | 2025 |
| Root Horticulture Ltd | Administrative & support | 2023 |
| Roots Consulting Limited | Construction | 2002 |
| ROS1E Ltd | Extraterritorial | 2020 |
| Rosa Thai ( Rawdon ) Ltd | Health & social care | 2018 |
| Rosa Thai (AH) Ltd | Other services | 2017 |
| Rosa Thai (Harrogate) Ltd | Health & social care | 2025 |
| Rosa Thai Training Academy ( UK ) Ltd | Health & social care | 2017 |
| Rosa Thai Treatment Ltd | Administrative & support | 2017 |
| Rosa Therapy Ltd | Administrative & support | 2017 |
| Rosco Electrical Ltd | Construction | 2024 |
| Rose George Limited | Arts & recreation | 2017 |
| Rose Harrogate Limited | Other services | 2023 |
| Rose Invest Limited | Financial services | 2017 |
| Rose Velvet Limited | Wholesale & retail | 2008 |
| Roseways Flooring Ltd | Wholesale & retail | 2026 |
| Roslyn Trading Group Limited | Financial services | 2024 |
| Rosmire Ltd | Wholesale & retail | 2019 |
| Ross & Jack Studios Limited | Administrative & support | 2022 |
| Rossendale Transport Limited | Transport & logistics | 1986 |
| Rostron and Gray Limited | Hospitality | 2024 |
| Roth Group Ltd | Financial services | 2017 |
| Roth Turbines Limited | Professional & scientific | 2021 |
| Rothco Limited | Extraterritorial | 2025 |
| Rothman Group Limited | Extraterritorial | 2025 |
| Roundhay Park Limited | Extraterritorial | 2012 |
| Roundwood | Financial services | 1982 |
| Rovex International Limited | Wholesale & retail | 2021 |
| Rowan Engineering Services Ltd | Manufacturing | 2025 |
| Rowan Green Developments Limited | Construction | 2016 |
| Rowark & Wright Limited | Professional & scientific | 2017 |
| Rowe Property Services (Yorkshire) Limited | Construction | 2020 |
| Rowmac Holdings Limited | Professional & scientific | 2026 |
| ROX1E Ltd | Extraterritorial | 2026 |
| Royal Blue Consultants Ltd | Administrative & support | 2022 |
| Royal Gardens (Harrogate) Limited | Households | 2004 |
| Royalties Inc Limited | Information & communication | 2026 |
| Royden House Limited | Construction | 1998 |
| Royle Atlantis Limited | Extraterritorial | 2026 |
| Royle Beaufort Limited | Extraterritorial | 2026 |
| Royle Capital Limited | Extraterritorial | 2026 |
| Royle Churchill Limited | Extraterritorial | 2025 |
| Royle Commercial Limited | Real estate | 2020 |
| Royle FM Limited | Extraterritorial | 2025 |
| Royle Riviera Limited | Extraterritorial | 2026 |