| Rifal Tyres Ltd | Wholesale & retail | 2013 |
| Right 4 Service Ltd | Professional & scientific | 2018 |
| Right Choice Trading Ltd | Wholesale & retail | 2018 |
| Right Place Facilities Management Ltd | Administrative & support | 2021 |
| Right Plumbing & Property Developments Ltd | Construction | 2020 |
| Right Time Renovation Ltd | Construction | 2025 |
| Right-Value Trading Co. Ltd. | Wholesale & retail | 2023 |
| Riht Consultancy Limited | Professional & scientific | 2026 |
| RII & Race Ltd | Wholesale & retail | 2021 |
| RIK Bodyworks & Repairs Ltd | Wholesale & retail | 2021 |
| Rimadel Limited | Hospitality | 2025 |
| Rimal Wellness Ltd | Manufacturing | 2026 |
| RIN Property Management Ltd | Construction | 2020 |
| Rinahson Healthcare Services Ltd | Health & social care | 2016 |
| Ring Ring Holdings Limited | Real estate | 2021 |
| Ringo Properties Ltd | Real estate | 2023 |
| Ripair Ltd | Other services | 2023 |
| Ripple Show Limited | Information & communication | 2020 |
| Rise Sphere Consultancy Limited | Administrative & support | 2025 |
| Riseonic Properties Limited | Real estate | 2021 |
| Risetech Lifts Limited | Administrative & support | 2024 |
| Rish Consultancy Ltd | Information & communication | 2025 |
| Rishi Food and Wine Ltd | Wholesale & retail | 2022 |
| Rishika Construction Limited | Construction | 2011 |
| Rising Scholars Ltd | Education | 2025 |
| Rising Stars Food Ltd | Hospitality | 2018 |
| Rite Ltd | Real estate | 2012 |
| Riteping Ltd | Information & communication | 2026 |
| Rituals International Ltd | Information & communication | 2025 |
| RIV Constructions Limited | Construction | 2025 |
| Rivercity Curry and Pizza Limited | Hospitality | 2018 |
| Rivercitysolutions Limited | Information & communication | 2017 |
| Riverlyn Ltd | Wholesale & retail | 2025 |
| Riverside Venue Limited | Administrative & support | 2022 |
| Riverstone Group Limited | Real estate | 2026 |
| Riya Fried Chicken Ltd | Hospitality | 2021 |
| Riya's Beauty Salon Ltd | Other services | 2019 |
| Riyak Iman Ltd | Manufacturing | 2026 |
| RIZ & Co (UK) Ltd | Professional & scientific | 2017 |
| RIZ Consultants Ltd | Transport & logistics | 2018 |
| Rizq Traders Ltd | Wholesale & retail | 2025 |
| Rizvi Brother and Sons Ltd | Wholesale & retail | 2022 |
| RJ & Co Properties Ltd | Real estate | 2026 |
| RJ Exquisite Properties Ltd | Real estate | 2024 |
| RJ Platinum Developers Ltd | Real estate | 2026 |
| RJ PVT Ltd | Wholesale & retail | 2026 |
| RJ Software Solutions Ltd | Information & communication | 2021 |
| RJ Thanva UK Limited | Wholesale & retail | 2025 |
| RJD Chauffeurs Limited | Transport & logistics | 2014 |
| Rjoseph Limited | Health & social care | 2015 |
| RJP Capital Limited | Real estate | 2023 |
| Rjvshine Ltd | Administrative & support | 2025 |
| Rjwj Construction Limited | Construction | 2023 |
| RK & BK Investment Ltd | Real estate | 2025 |
| RK Belmondo Ltd | Real estate | 2026 |
| RK Car Rentals Ltd | Wholesale & retail | 2021 |
| RK Estates London Limited | Real estate | 2022 |
| RK International Services Limited | Information & communication | 2023 |
| RK Marketing Consulting Ltd | Administrative & support | 2015 |
| RK Residentials London Ltd | Real estate | 2025 |
| RK Smart Glazing Limited | Construction | 2025 |
| RK Software Solutions Ltd | Hospitality | 2015 |
| RK Technologies Intl Ltd | Information & communication | 2024 |
| RK Ventures & Holdings Ltd | Information & communication | 2017 |
| RK Ventures Ltd | Real estate | 2017 |
| RKG IT Services Limited | Information & communication | 2010 |
| RKP Law Limited | Professional & scientific | 2024 |
| RKS Deliveries Limited | Transport & logistics | 2025 |
| RKS Global Distribution Ltd | Wholesale & retail | 2025 |
| RL IT Consulting Ltd | Information & communication | 2018 |
| RL Property Investments Ltd | Real estate | 2021 |
| RL Trading Services Limited | Hospitality | 2024 |
| RLC CH1 Ltd | Real estate | 2022 |
| RLC CH2 Ltd | Real estate | 2022 |
| RLC Hounslow Limited | Real estate | 2022 |
| RLS Project Management Solutions Ltd | Real estate | 2012 |
| RM Consulting & Solutions Ltd | Real estate | 2026 |
| Rm&N Ltd | Real estate | 2023 |
| RMA PVT Limited | Wholesale & retail | 2025 |
| RMB Investments Ltd | Real estate | 2014 |
| Rmbs Enterprises Ltd | Wholesale & retail | 2023 |
| Rmbs Trading Ltd | Real estate | 2022 |
| Rmdeep Ltd | Construction | 2025 |
| Rmdj Limited | Administrative & support | 2021 |
| Rmex Services (UK) Limited | Transport & logistics | 2018 |
| RMT & Sons Limited | Real estate | 2017 |
| Rnav Ltd | Wholesale & retail | 2020 |
| RNB Cargo Ltd | Transport & logistics | 2010 |
| RNJ Security Solutions Limited | Administrative & support | 2021 |
| RNR Holdings Limited | Real estate | 2020 |
| RNR Realty Ltd | Real estate | 2020 |
| Ro&Ra Ltd | Wholesale & retail | 2020 |
| Roan Group Limited | Wholesale & retail | 2025 |
| Roartec Ltd | Arts & recreation | 2015 |
| Robin Peter Properties Ltd | Real estate | 2018 |
| Robin's Haven Group Ltd | Professional & scientific | 2025 |
| Roche Electrical and Safety Ltd | Construction | 2022 |
| Rock 365 Ltd | Other services | 2013 |
| Rock N Sole Plaice (Fish House) Ltd | Wholesale & retail | 2021 |
| Rocket Assets Ltd | Real estate | 2020 |