| Rana & Unal Ltd | Hospitality | 2020 |
| Rana Midland Services Limited | Construction | 2026 |
| Randhawa Hair Salon Ltd | Other services | 2026 |
| Randhawa Management Services Limited | Professional & scientific | 1985 |
| Randhir Estates Ltd | Real estate | 2026 |
| Ranger Caradoc Hydraulics Limited | Wholesale & retail | 1992 |
| Rapid Auto Works Limited | Wholesale & retail | 2017 |
| Rapid Coating Ltd | Manufacturing | 2015 |
| Rapid Facilities and Construction Ltd | Construction | 2025 |
| Rapid Servicing Ltd | Wholesale & retail | 2023 |
| Rapid Steps Limited | Transport & logistics | 2025 |
| Rated GAS Ltd | Construction | 2021 |
| Rattan Housing Ltd | Real estate | 2021 |
| Rattu Construction Ltd | Construction | 2026 |
| Rattvi Investments Limited | Real estate | 2023 |
| Raulrecruitment Ltd | Administrative & support | 2026 |
| Raval Construction Limited | Construction | 2025 |
| Ravel & Sons Ltd | Manufacturing | 2018 |
| Raven Global Limited | Wholesale & retail | 2012 |
| Ravzon Ltd | Wholesale & retail | 2025 |
| RAW Power Dog Nutrition and Accessories Ltd | Wholesale & retail | 2021 |
| RAY Hand Car Wash Ltd | Administrative & support | 2023 |
| Rayan West Brom Store Ltd | Manufacturing | 2025 |
| Rayat Bedrooms and Kitchen Ltd | Construction | 2024 |
| Raymond's Tax Accountants Limited | Professional & scientific | 2006 |
| Raymond's Tax Accountants( UK) Limited | Professional & scientific | 2025 |
| Raymond's Wealth Management Limited | Professional & scientific | 2009 |
| Razrtech Services (UK) Limited | Wholesale & retail | 2020 |
| RB Building and Interiors Ltd | Construction | 2024 |
| RBC Work Force Limited | Construction | 2017 |
| RBI Investments Ltd | Real estate | 2021 |
| RCW Coating Ltd | Wholesale & retail | 2022 |
| RCW Social Media Management Ltd | Information & communication | 2025 |
| RD Electrical Midlands Ltd | Manufacturing | 2025 |
| RD2SUCCESS Fast Track Ltd | Education | 2024 |
| RDA Housing Ltd | Real estate | 2025 |
| RDD Midlands Ltd | Real estate | 2021 |
| Ready Build Home Improvements Ltd | Construction | 2019 |
| Real Services Midlands Ltd | Transport & logistics | 2024 |
| Rebot Services Ltd | Public administration | 2026 |
| Recycle ICT Limited | Manufacturing | 2010 |
| Recycle Kingdom Ltd | Water & waste | 2023 |
| Recycling Cardboard & Plastic Ltd | Water & waste | 2021 |
| Red Essence Ltd | Wholesale & retail | 2025 |
| Red Geko Ltd | Transport & logistics | 2025 |
| Red Square Ltd | Professional & scientific | 2016 |
| Redeem Wealth Ltd | Information & communication | 2025 |
| Redoven Express Limited | Wholesale & retail | 2022 |
| Redstar Homes Limited | Construction | 2022 |
| Ree-Charge CIC | Hospitality | 2025 |
| Reelslinger Limited | Professional & scientific | 2017 |
| Reen Logistics Ltd | Transport & logistics | 2022 |
| Reflexive Minds Consultancy Ltd | Administrative & support | 2022 |
| Regain Education C.I.C. | Information & communication | 2024 |
| Regal Cars Ltd | Wholesale & retail | 2018 |
| Rehmat Carriers Ltd | Transport & logistics | 2026 |
| Rehna Sahabb Limited | Information & communication | 2024 |
| Reids Developments Ltd | Real estate | 2019 |
| Reliable Waste Solutions Limited | Administrative & support | 2016 |
| Reload Birmingham Limited | Wholesale & retail | 2026 |
| Reload Cash & Carry Limited | Wholesale & retail | 2025 |
| Relocations Hub Ltd | Real estate | 2025 |
| Relux Cladding Ltd | Construction | 2017 |
| Remarkable Media Group Limited | Professional & scientific | 2020 |
| Rennock Construction Services Ltd | Construction | 2025 |
| Rensiem Limited | Information & communication | 2015 |
| Rent This Property Ltd | Households | 2010 |
| Repri Ltd | Health & social care | 2014 |
| Reset GAS Ltd | Construction | 2024 |
| Resi Construction Ltd | Real estate | 2020 |
| Rester Neutre Ltd | Wholesale & retail | 2025 |
| Reuben Phipps Ltd | Extraterritorial | 2025 |
| Revo CAP Ltd | Wholesale & retail | 2025 |
| RH2 Limited | Manufacturing | 2002 |
| RHC Travel Ltd | Transport & logistics | 2024 |
| Rhea News Limited | Wholesale & retail | 2020 |
| Rhea Property Investments Ltd | Real estate | 2026 |
| Rhobos Solutions Ltd | Administrative & support | 2017 |
| Rhubarb Patch Ltd | Health & social care | 2016 |
| Riaar Plastics Limited | Manufacturing | 2007 |
| Riar Saab Transport Ltd | Transport & logistics | 2021 |
| Rich Learning Solutions Ltd | Professional & scientific | 2017 |
| Ridgacre Survey Ltd | Professional & scientific | 2025 |
| Ridge Summit Assets Ltd | Construction | 2026 |
| Right Car Services Ltd | Transport & logistics | 2024 |
| Right Choice One Group Ltd | Administrative & support | 2025 |
| Right Networks Ltd | Professional & scientific | 2011 |
| Rightmove Developments Limited | Real estate | 2012 |
| Rihanna Estates Limited | Real estate | 2022 |
| Rimstock Holdings Limited | Manufacturing | 2023 |
| Riseyai Ltd | Information & communication | 2026 |
| Risk Free Claims Management Ltd | Other services | 2010 |
| Rivvy Studios Ltd. | Information & communication | 2022 |
| Riya Florist Ltd | Wholesale & retail | 2018 |
| RJ Firstfix Ltd | Construction | 2019 |
| RJ Sushi Bar Ltd | Hospitality | 2024 |
| RJ Transit Ltd | Transport & logistics | 2025 |
| RJE Investments Ltd | Construction | 2019 |
| RK Building Supplies Ltd | Wholesale & retail | 2024 |
| RK Prime Investments Ltd | Households | 2024 |