| RC Holdings Leicester Limited | Financial services | 2025 |
| RC Ratby Ltd | Hospitality | 2025 |
| RC1 Property Ltd | Construction | 2026 |
| RCF Corporate Limited | Professional & scientific | 2026 |
| RCJ Financial Consulting Ltd | Professional & scientific | 2024 |
| RCM Estates Ltd | Real estate | 2025 |
| RCM Living Ltd | Real estate | 2014 |
| Rcns Services Ltd | Information & communication | 2025 |
| RCS Technologies Ltd | Information & communication | 2014 |
| RD Estates and Developments Ltd | Construction | 2026 |
| RD Service and Repair Leicester Ltd | Wholesale & retail | 2023 |
| RDA (Leicester) Limited | Professional & scientific | 2023 |
| RDC Aviation Limited | Information & communication | 2007 |
| RDC Cloudbase Limited | Information & communication | 2020 |
| RDD Europe Ltd. | Manufacturing | 2013 |
| Rdda Ltd | Wholesale & retail | 2025 |
| RDE Holdings Limited | Real estate | 2021 |
| RDE Represents Ltd | Professional & scientific | 2022 |
| RDJ Leicester Ltd | Real estate | 2020 |
| RDL Grinding Technology Limited | Manufacturing | 2006 |
| RDL Group Holdings Ltd | Professional & scientific | 2020 |
| RDM Bodyworks Limited | Wholesale & retail | 2024 |
| RDM Environmental Services Ltd | Professional & scientific | 2018 |
| RDM Property Group Limited | Real estate | 2022 |
| RDM Trading Ltd | Wholesale & retail | 2017 |
| Rdmv Bliss Ltd | Financial services | 2024 |
| RDR Investment Properties Ltd | Real estate | 2019 |
| RDS Computing Ltd | Information & communication | 2010 |
| RDS Design Ltd | Professional & scientific | 2018 |
| RDS Global Consultants Limited | Professional & scientific | 2024 |
| RDS Property Improvements Ltd | Construction | 2021 |
| RDT Invests Ltd | Real estate | 2023 |
| RE Cleaning Service Limited | Administrative & support | 2008 |
| Re-Aim Ltd | Real estate | 2019 |
| Re-Lek Services Ltd | Construction | 2025 |
| Reach Consultancy Ltd | Professional & scientific | 2019 |
| Reach Health Limited | Health & social care | 2017 |
| Reach Investment Holdings Ltd | Financial services | 2025 |
| Reach Marketing Communications Limited | Administrative & support | 2003 |
| Reach Sports Ltd | Education | 2020 |
| Reach Timelapse Ltd | Professional & scientific | 2015 |
| REACH2 Ltd | Wholesale & retail | 2020 |
| Reactive Components Ltd | Professional & scientific | 2018 |
| Read Roofing Limited | Construction | 2015 |
| Readings Property Auction House Limited | Extraterritorial | 2010 |
| Readings Property Group Limited | Real estate | 2010 |
| Readings Property Lettings Limited | Professional & scientific | 2010 |
| Readings Property Management Limited | Professional & scientific | 2010 |
| Ready Chips Ltd | Hospitality | 2024 |
| Ready Salted (Online) Limited | Wholesale & retail | 2024 |
| Ready Salted (Retails) Limited | Wholesale & retail | 2024 |
| Ready Software Limited | Information & communication | 2016 |
| Ready Steady Defend Limited | Wholesale & retail | 2021 |
| READY2LEASE Ltd | Administrative & support | 2020 |
| READY4UNI Ltd | Education | 2023 |
| READY4WORK Community Interest Company | Education | 2020 |
| Real Build Estate Ltd | Real estate | 2021 |
| Real Catwalk Ltd | Manufacturing | 2016 |
| Real Empowerment CIC | Other services | 2024 |
| Real Fashions Ltd | Manufacturing | 2018 |
| Real Health Nutrition Limited | Health & social care | 2026 |
| Real Hot Tree Ltd | Information & communication | 2025 |
| Real Leather Outlet Ltd | Wholesale & retail | 2025 |
| Real Liberty Properties Ltd | Real estate | 2019 |
| Real Looks Limited | Wholesale & retail | 2002 |
| Real Motorsport Ltd | Arts & recreation | 2013 |
| Real Move Logistics Ltd | Transport & logistics | 2020 |
| Real Purpose Limited | Health & social care | 2023 |
| Real Quality Food Ltd | Manufacturing | 2021 |
| Real Salon West Bridgford Ltd | Other services | 2026 |
| Real Support Limited | Real estate | 2004 |
| Real Taste Trading Ltd | Hospitality | 2024 |
| Real Ventures Limited | Wholesale & retail | 2019 |
| Real Vision Productions Ltd | Information & communication | 2018 |
| Realart Photography Limited | Professional & scientific | 2013 |
| Realestatesdistressdeal Ltd | Real estate | 2025 |
| Reality Capture Midlands Ltd | Construction | 2023 |
| Reality Well CIC | Information & communication | 2024 |
| Really Flexible Care Ltd | Health & social care | 2008 |
| Realm Group Limited | Real estate | 2021 |
| Realm Real Estate Limited | Real estate | 2025 |
| Realm Wholesale Ltd | Wholesale & retail | 2020 |
| Realtime IT Solutions Ltd | Information & communication | 2021 |
| Realty Services Ltd | Professional & scientific | 2021 |
| Reamr Ltd | Information & communication | 2026 |
| Rearsby Concepts Limited | Professional & scientific | 2015 |
| Rearsby Estates Limited | Construction | 1992 |
| Reasby Ltd | Transport & logistics | 2015 |
| Reavelo Holdings Limited | Financial services | 2026 |
| Reavelo Limited | Information & communication | 2017 |
| REB Holdings Limited | Financial services | 2022 |
| Rebaz Barber Ltd | Other services | 2020 |
| Rebecca Frances Business Services Ltd | Professional & scientific | 2020 |
| Rebecca Jane Hairstylist Limited | Other services | 2022 |
| Rebecca Louise Catering Limited | Hospitality | 2012 |
| Rebecca P. Limited | Wholesale & retail | 2025 |
| Rebecca ROY Creative Limited | Arts & recreation | 2019 |
| Rebecca Webb Ltd | Health & social care | 2024 |
| Rebel Golf Ltd | Arts & recreation | 2025 |
| Rebel Vintage Ltd | Wholesale & retail | 2024 |