| RAD MAD Cakes Ltd | Manufacturing | 2025 |
| RAD Prep UK Ltd | Education | 2025 |
| Radfordbridge Transport Ltd | Transport & logistics | 2014 |
| Radha Edu.Services Ltd | Education | 2025 |
| Radha Kamal Group Ltd | Wholesale & retail | 2026 |
| Radha Madhavas Property Limited | Real estate | 2022 |
| Radhe Food and Snacks Ltd | Manufacturing | 2024 |
| Radhe Homes Limited | Real estate | 2011 |
| Radhe Krishna Enterprise Limited | Wholesale & retail | 2025 |
| Radhe Krishna PAN and Off-Licence Ltd | Wholesale & retail | 2024 |
| Radhe Radhe Enterprises Ltd | Wholesale & retail | 2025 |
| Radhe Radhe Properties Limited | Households | 2025 |
| Radhe Sweet Mart & Caterers Ltd | Wholesale & retail | 2021 |
| Radhe Sweetmart Ltd | Wholesale & retail | 2025 |
| Radhika Investment Properties Ltd | Real estate | 2021 |
| Radhika Jewellers Ltd | Wholesale & retail | 2023 |
| Radhika Properties Limited | Extraterritorial | 2013 |
| Radiant Diamonds Ltd | Wholesale & retail | 2009 |
| Radiant Light Yoga Ltd | Education | 2025 |
| Radiant Smiles Limited | Wholesale & retail | 2013 |
| Radiantech Ltd | Information & communication | 2024 |
| Radiator Curving Limited | Manufacturing | 2012 |
| Radical Optics Limited | Health & social care | 2008 |
| Radio Corner Limited | Wholesale & retail | 2001 |
| Radiology Reporting & Medical Business Consulting Limited | Financial services | 2013 |
| Radiomix Ltd | Administrative & support | 2011 |
| Radnor House HAY Ltd | Hospitality | 2018 |
| Rado Motors Ltd | Wholesale & retail | 2024 |
| Radol Trans Ltd | Transport & logistics | 2013 |
| Radstik Ltd | Wholesale & retail | 2017 |
| Radstone Convenience Store Ltd | Wholesale & retail | 2021 |
| RAE Rose Wellness Limited | Other services | 2021 |
| Rae's Cafe & Deli Ltd | Hospitality | 2024 |
| Raees Optics Ltd | Health & social care | 2025 |
| Raeg Limited | Construction | 2022 |
| Raem (Great Britain) Limited | | 1958 |
| RAF Shack Ltd | Hospitality | 2025 |
| Rafa Events Limited | Arts & recreation | 2019 |
| Rafa Kidz Limited | Education | 2019 |
| Rafa Kidz Wings Limited | Health & social care | 2019 |
| Rafa Kidzone Limited | Health & social care | 2013 |
| Rafa Wellbeing Limited | Health & social care | 2022 |
| Rafaan Trading Ltd | Wholesale & retail | 2024 |
| Rafal Stanczyk Limited | Wholesale & retail | 2016 |
| Rafatrad Limited | Wholesale & retail | 1997 |
| Rafd Limited | Real estate | 2026 |
| RAFDRIVE4U Ltd | Transport & logistics | 2018 |
| RAFFLES324 Ltd | Other services | 2025 |
| Rafflesia Limited | Real estate | 2007 |
| Rafidian Construction Ltd | Other services | 2016 |
| Rafik Holdings Limited | Financial services | 2021 |
| Rafiq Catering Limited | Hospitality | 2017 |
| Rafiq Events Ltd | Hospitality | 2018 |
| Raft Elite Solutions Ltd | Wholesale & retail | 2025 |
| Ragan Hill Investments Ltd | Real estate | 2021 |
| Ragan Medical Services Ltd | Other services | 2013 |
| Rage Room Leicester Ltd | Arts & recreation | 2025 |
| Ragebreed Ltd | Administrative & support | 2017 |
| Raghava Group Ltd | Administrative & support | 2026 |
| Ragi Investments Limited | Real estate | 2025 |
| Ragi Properties Limited | Real estate | 1997 |
| Ragi Retail Limited | Wholesale & retail | 2015 |
| Ragin Bird Leicester Limited | Hospitality | 2025 |
| Ragin Bird Limited | Financial services | 2025 |
| Ragstar (UK) Limited | Wholesale & retail | 2011 |
| Ragvalley Limited | Manufacturing | 1997 |
| Ragyard Limited | Wholesale & retail | 2018 |
| RAH Restaurants Ltd | Hospitality | 2026 |
| Raha Furniture Ltd | Manufacturing | 2026 |
| Raheemi Holding Limited | Financial services | 2023 |
| Rahi Transport Ltd | Transport & logistics | 2026 |
| Rahim Ghaffar Limited | Professional & scientific | 2019 |
| Rahima Place Limited | Hospitality | 2023 |
| Rahimi Properties Ltd | Real estate | 2022 |
| Rahma (Mercy) | Education | 2025 |
| Rahma Studios Ltd | Information & communication | 2026 |
| Rahma Travel & Tourism Limited | Administrative & support | 2018 |
| Rahman Superstore Limited | Wholesale & retail | 2026 |
| Rahrah Accountancy Ltd | Professional & scientific | 2022 |
| Rahul Builders Ltd | Construction | 2025 |
| RAI Brothers Estates Limited | Real estate | 2018 |
| RAI Courier Services Ltd | Transport & logistics | 2020 |
| RAI Enterpreyes Ltd | Professional & scientific | 2016 |
| RAI Enterprise Group Ltd | Real estate | 2024 |
| RAI Immigration Specialists Limited | Other services | 2009 |
| RAI Investments Limited | Real estate | 1999 |
| RAI Medical Solutions Ltd | Health & social care | 2015 |
| RAI Motor Trading Ltd | Wholesale & retail | 2022 |
| RAI Property Group Ltd | Real estate | 2019 |
| RAI Real Estate Group Limited | Real estate | 2024 |
| RAI Specialist Lawyers Limited | Professional & scientific | 2011 |
| RAI Styles Limited | Construction | 1992 |
| RAI Transport Limited | Transport & logistics | 2012 |
| RAI Urology Ltd | Health & social care | 2019 |
| Raichand Properties Ltd | Real estate | 2024 |
| Raid Ltd | Professional & scientific | 2021 |
| Raiderline Ltd | Wholesale & retail | 2025 |
| Raidev Ltd | Wholesale & retail | 2015 |
| Raihan's Ltd | Hospitality | 2026 |
| Raihans Takeaway Ltd | Hospitality | 2022 |