| Riken N Limited | Administrative & support | 2023 |
| Riky Services Ltd | Transport & logistics | 2023 |
| Rikz Productionz Limited | Information & communication | 2025 |
| Riley Flooring Limited | Construction | 2012 |
| Rima Security Ltd | Construction | 2017 |
| Rims Indian Haat Limited | Wholesale & retail | 2025 |
| Rims Nukkad Limited | Hospitality | 2025 |
| Rinakhi Limited | Real estate | 2022 |
| Rincon Services Ltd | Transport & logistics | 2017 |
| Rioux PVT Ltd | Wholesale & retail | 2025 |
| Risa Creations Limited | Wholesale & retail | 2013 |
| Risabh Limited | Information & communication | 2008 |
| Rise and Shine London Limited | Other services | 2019 |
| Rise Literacy UK Ltd | Education | 2025 |
| Rish Properties Limited | Administrative & support | 2009 |
| Rishabh Trading Limited | Wholesale & retail | 2021 |
| Rishi Builders PVT Ltd | Construction | 2026 |
| Rishmil Limited | Real estate | 2016 |
| Rising Stars Consultancy Ltd | Professional & scientific | 2023 |
| Risk Care Consultants Ltd | Professional & scientific | 2013 |
| Rismart Ltd | Professional & scientific | 2011 |
| Rithem AI Ltd | Information & communication | 2025 |
| Rithika Flowers Ltd | Wholesale & retail | 2017 |
| Riti Riwaj Ltd | Wholesale & retail | 2025 |
| Riva Enterprise Ltd | Transport & logistics | 2025 |
| Riverelle Limited | Real estate | 2019 |
| Riverside Electrical Wholesalers Limited | Wholesale & retail | 1987 |
| Rivo Group Ltd | Wholesale & retail | 2021 |
| Rivoxa Limited | Wholesale & retail | 2025 |
| Rixos Driving Ltd | Wholesale & retail | 2025 |
| Riya Tour & Travel Limited | Administrative & support | 2026 |
| Riyaa Limited | Health & social care | 2011 |
| Riyan DIU Ltd | Wholesale & retail | 2025 |
| Riyanshi Construction Limited | Construction | 2019 |
| Rizwan FX Ltd | Financial services | 2026 |
| RJ Hazama Limited | Real estate | 2021 |
| RJ I D Limited | Information & communication | 2001 |
| Rjl-Uk Limited | Wholesale & retail | 2019 |
| RJP London Limited | Real estate | 2016 |
| RJW Consultancy Ltd | Professional & scientific | 2023 |
| RK Family Group Ltd | Wholesale & retail | 2025 |
| RK Investco Ltd | Information & communication | 2024 |
| RK Property Capital Ltd | Real estate | 2024 |
| RK Property Service Ltd | Real estate | 2012 |
| RKA Property Services Ltd | Real estate | 2017 |
| Rkmc Properties Limited | Real estate | 2022 |
| Rkmj Services Ltd | Wholesale & retail | 2025 |
| Rkmp UK Limited | Manufacturing | 2025 |
| RKN Estate Group Ltd | Real estate | 2025 |
| RKN Studios Ltd | Information & communication | 2023 |
| RKR Restaurants Limited | Hospitality | 2022 |
| RL Motors Ltd | Other services | 2018 |
| RM Maruti Limited | Professional & scientific | 2026 |
| RM Nexus Ltd | Wholesale & retail | 2025 |
| RM Online Ltd | Wholesale & retail | 2020 |
| RMB Interiors Ltd | Construction | 2019 |
| Rmbj Care Ltd | Health & social care | 2022 |
| RMP Estates Ltd | Real estate | 2024 |
| RMP Marble and Granite Ltd | Manufacturing | 2025 |
| Rmri Construction Limited | Construction | 2025 |
| Rmy-Uk Ltd | Wholesale & retail | 2014 |
| RN Builders London Limited | Construction | 2019 |
| RN Imperial Services Ltd | Administrative & support | 2025 |
| Rn&S Services Limited | Information & communication | 2019 |
| RNA Technologies Limited | Information & communication | 2004 |
| RNC Kumar Properties Limited | Real estate | 2021 |
| RNP Traders Ltd | Other services | 2025 |
| Ro&Co General Builders Ltd | Construction | 2013 |
| Ro-De Estates Ltd | Real estate | 2023 |
| Ro-Sea Salt Ltd | Wholesale & retail | 2024 |
| Road Surfaces Ltd | Construction | 2026 |
| Roadstart Couriers Ltd | Transport & logistics | 2024 |
| Roar Money Limited | Information & communication | 2021 |
| ROB Fixing Ltd | Professional & scientific | 2019 |
| ROBECO2010 Ltd | Construction | 2015 |
| Robert Hall Property Services Limited | Wholesale & retail | 2017 |
| Robert W Construction Ltd | Construction | 2024 |
| Robin Mcglashan Properties Ltd | Real estate | 2025 |
| Robinsons Car Services Limited | Manufacturing | 2014 |
| Robis & G Ltd | Construction | 2016 |
| Robmar Assets Ltd | Households | 2023 |
| Roboman Ltd | Information & communication | 2022 |
| Robotgene Ltd | Other services | 2020 |
| ROC ERA Limited | Administrative & support | 2025 |
| Roche Asset Management Ltd | Real estate | 2025 |
| Roche Construction Projects Ltd | Construction | 2016 |
| Rochford Construction Limited | Construction | 1996 |
| Rochford Plant Limited | Administrative & support | 2005 |
| Rochford Properties Limited | Administrative & support | 2019 |
| Rochi Consultancy Ltd | Professional & scientific | 2023 |
| Rock Security Limited | Administrative & support | 2021 |
| Rockland Earthworks Projects Ltd | Construction | 2020 |
| Rocks Energy Ltd | Professional & scientific | 2025 |
| Rockstone Realty Ltd | Real estate | 2025 |
| Rocky Kanbi Consulting Limited | Professional & scientific | 2016 |
| Rockys Baron Ltd | Real estate | 2026 |
| Rod&Oia Limited | Education | 2025 |
| Roexport Ltd. | Manufacturing | 2003 |
| Rohan RAY International Ltd | Wholesale & retail | 2026 |
| Rohateti Ltd | Information & communication | 2025 |