| RM Motors Centre Ltd | Wholesale & retail | 2022 |
| RM Newton Limited | Administrative & support | 2018 |
| RM Vision Media Ltd | Professional & scientific | 2024 |
| RM Walker Properties Ltd | Real estate | 2021 |
| RMA Drawing Services Ltd. | Professional & scientific | 2017 |
| Rmac Engineers Ltd | Construction | 2017 |
| RMB Flooring Ltd | Construction | 2020 |
| RMC Advisory Limited | Other services | 2018 |
| RMC Cards Limited | Administrative & support | 2011 |
| RMF Artisan Joinery Projects Limited | Construction | 2025 |
| RMG National Services Ltd | Professional & scientific | 2022 |
| RMI Developments Ltd | Real estate | 2015 |
| RMK Partnering Limited | Professional & scientific | 2016 |
| RML Management Limited | Professional & scientific | 2021 |
| RMR Printing Ltd | Manufacturing | 2026 |
| RMS Bodies and Lifts Ltd | Wholesale & retail | 2024 |
| Rmsv Limited | Professional & scientific | 2022 |
| RMT Property Limited | Professional & scientific | 2014 |
| Rmtx Markit Consultancy Ltd | Professional & scientific | 2026 |
| Rmuk Collective Ltd | Extraterritorial | 2020 |
| Rmuk Limited | Other services | 2003 |
| Rmwd Group Limited | Water & waste | 2024 |
| RN Plastering and Rendering Services Limited | Construction | 2016 |
| RN Sculpt Limited | Other services | 2026 |
| RNA Life Ltd | Information & communication | 2025 |
| RNB (Group) Limited | Transport & logistics | 2005 |
| RND One Boxing App Ltd | Information & communication | 2025 |
| RND Plumbing and Heating Ltd | Construction | 2022 |
| Rnej Edwards Limited | Administrative & support | 2013 |
| Rnej Holdings Limited | Financial services | 2018 |
| RNG Consultancy Ltd | Professional & scientific | 2014 |
| RNG Electrical Ltd | Construction | 2024 |
| RNG Real Estates Ltd | Real estate | 2024 |
| RNL Residential Limited | Real estate | 2021 |
| RNP Enterprise Ltd | Other services | 2021 |
| RNR Limited | Hospitality | 2019 |
| RNR Living Ltd | Real estate | 2026 |
| RNR Mgmt Ltd | Professional & scientific | 2025 |
| RNS UK Properties Limited | Real estate | 2023 |
| RNT Medical Ltd | Administrative & support | 2017 |
| Rntg Limited | Construction | 2023 |
| Rntsb Ltd | Information & communication | 2023 |
| RO Retails Ltd | Wholesale & retail | 2025 |
| RO1 Limited | Construction | 2008 |
| Road Freight Leeds Ltd | Transport & logistics | 2020 |
| Road Relay Transport Ltd | Transport & logistics | 2024 |
| Road Safety Smart Ltd | Professional & scientific | 2021 |
| Roadblock CIC | Professional & scientific | 2024 |
| Roadready Van Partz Ltd | Wholesale & retail | 2025 |
| Roadrunners Cars Ltd | Transport & logistics | 2022 |
| Roadrunners Leeds Ltd | Transport & logistics | 2019 |
| Roadside Tyres Assist Limited | Wholesale & retail | 2018 |
| Roadworks Assist Ltd | Professional & scientific | 2025 |
| Roam Cafes Limited | Hospitality | 2025 |
| Roam With Passion Ltd | Administrative & support | 2025 |
| Roamer Batteries Ltd | Wholesale & retail | 2021 |
| Roaming IT Services Ltd | Information & communication | 2019 |
| Roamobi Technology UK Ltd | Information & communication | 2014 |
| Roar Ambition Group Ltd | Financial services | 2025 |
| Roar Ambition Ltd | Professional & scientific | 2014 |
| Roars Domestic Services Ltd | Water & waste | 2025 |
| Roast My Pitch Ltd | Professional & scientific | 2025 |
| Roast! (Leeds) Ltd | Hospitality | 2025 |
| Roastie House Ltd | Hospitality | 2024 |
| ROB Bowden Design Limited | Arts & recreation | 2005 |
| ROB Clarke Properties Ltd | Real estate | 2021 |
| ROB Hardy & Co Garden Design Ltd | Administrative & support | 2021 |
| ROB MAY SEO Ltd | Information & communication | 2021 |
| ROB Moisey Ltd | Health & social care | 2014 |
| ROB Scott Security Ltd | Administrative & support | 2021 |
| ROB Small Mastering Ltd | Information & communication | 2015 |
| ROB Smith Driver Services Ltd | Transport & logistics | 2011 |
| ROB Wilson Financial Services Ltd | Financial services | 2020 |
| ROB Young Building Ltd | Construction | 2020 |
| Robben Business Consultancy Limited | Construction | 2017 |
| Robern Homes Ltd | Real estate | 2025 |
| Robern Ltd | Real estate | 2022 |
| Robert Andrew Industrial Doors Limited | Construction | 2003 |
| Robert Ashley Investments Limited | Professional & scientific | 1974 |
| Robert Cleaning Limited | Administrative & support | 2025 |
| Robert Cole Ncdr Limited | Public administration | 2024 |
| Robert D. Webster Limited | Wholesale & retail | 1973 |
| Robert Davies Health and Fitness Centre Limited | Arts & recreation | 2011 |
| Robert Edwards Ltd | Manufacturing | 2006 |
| Robert G Young Courier Ltd | Transport & logistics | 2024 |
| Robert Graham Marketing Ltd | Professional & scientific | 2025 |
| Robert Hoyland & Co Limited | Professional & scientific | 2003 |
| Robert J. Hudson Limited | Other services | 2003 |
| Robert Lowrie Limited | Other services | 2010 |
| Robert Ogden Limited | Extraterritorial | 1974 |
| Robert Ogden-Indescon Developments Limited | Real estate | 1984 |
| Robert Pulleyn (York) Limited | Wholesale & retail | 1997 |
| Robert Reid Cars Limited | Wholesale & retail | 2004 |
| Robert Smith Electrical Limited | Energy | 2008 |
| Robert&Partners UK Ltd | Construction | 2023 |
| Roberts (C G T) Limited | Professional & scientific | 1995 |
| Roberts (CGT) Contractors Ltd | Construction | 2010 |
| Roberts (Yorkshire) Limited | Construction | 2010 |
| Roberts Co. Ltd. | Financial services | 2012 |
| Roberts Durur Limited | Professional & scientific | 2016 |