| Richard Stanton Services Limited | Other services | 2019 |
| Richard Tyler Roofing Limited | Construction | 2017 |
| Richards Morris Limited | Professional & scientific | 2018 |
| Richards Sandy Audit Services Ltd | Professional & scientific | 2020 |
| Richards Sandy Holdings Limited | Financial services | 2025 |
| Richmond Resources Ltd | Other services | 2019 |
| Rickbery Batteries Ltd | Wholesale & retail | 2023 |
| Riddings Road (NO.2) Limited | Extraterritorial | 2000 |
| Ridem Ltd | Wholesale & retail | 2021 |
| Ridge Digital Ltd | Professional & scientific | 2019 |
| Ridgeway Developments (Midlands) Limited | Construction | 2020 |
| Ridgeway Storage Limited | Administrative & support | 2009 |
| Ridgeway Training Limited | Transport & logistics | 2014 |
| Ridouts Professional Services Limited | Extraterritorial | 2024 |
| Riggo Engineering Limited | Professional & scientific | 2021 |
| Right Angle Consulting Limited | Professional & scientific | 2019 |
| Rightclick Media Ltd | Information & communication | 2024 |
| Righttime Care Limited | Administrative & support | 2025 |
| Righttimez Communications Ltd | Information & communication | 2025 |
| Riize Ltd | Other services | 2015 |
| Riize Rooms Ltd | Hospitality | 2016 |
| Riley (Coventry) Limited | Manufacturing | 2019 |
| RIO Severn Limited | Construction | 2024 |
| Ripple Effect Coaching Ltd | Professional & scientific | 2019 |
| Rise Above Consulting Limited | Administrative & support | 2019 |
| Rise Goods Ltd | Wholesale & retail | 2025 |
| Rise Talent Ltd | Administrative & support | 2021 |
| Rise UP Projects Ltd | Health & social care | 2019 |
| Riser Recliner Hire Limited | Other services | 2018 |
| River Jordan Logistics UK Limited | Education | 2025 |
| River Severn (Takeaway) Ltd | Hospitality | 2016 |
| Riverside Apartments Management Limited | Real estate | 1991 |
| Riverside Consulting Services Limited | Administrative & support | 2017 |
| Riverside Dance CIC | Arts & recreation | 2024 |
| Riverside Team Limited | Administrative & support | 2023 |
| RJ Country Homes Limited | Real estate | 2017 |
| RJ Creative Interiors Ltd | Professional & scientific | 2024 |
| RJ Land & New Homes Limited | Real estate | 2025 |
| RJ Malvern Freehold Limited | Real estate | 2026 |
| RJC Associates Limited | Professional & scientific | 2018 |
| RJM Wellness Limited | Wholesale & retail | 2025 |
| RJN7 Solutions Ltd | Construction | 2022 |
| RK Construction (Bucks) Limited | Construction | 2008 |
| RKJ Contracts Ltd | Health & social care | 2016 |
| RKS Holdings Ltd | Professional & scientific | 2018 |
| Rlss U.K. Enterprises Limited | Wholesale & retail | 1990 |
| RLT Accounting Ltd | Professional & scientific | 2019 |
| RM Adjusting Ltd | Professional & scientific | 2001 |
| RM Cleaning and Polishing Limited | Administrative & support | 2025 |
| RM Property Renovations Ltd | Construction | 2025 |
| RM Systems Limited | Manufacturing | 2003 |
| RMC Building Group Ltd | Construction | 2026 |
| RMY Holdings Ltd | Real estate | 2025 |
| Roastsandroots Limited | Wholesale & retail | 2025 |
| ROB Eris Design Ltd | Professional & scientific | 2022 |
| ROB Leek Associates Limited | Professional & scientific | 2019 |
| ROB North Financial Services Limited | Financial services | 2010 |
| Robert Car Ltd. | Transport & logistics | 2014 |
| Robert Dorr Birbeck Ltd | Professional & scientific | 2024 |
| Roberts and Barnes Ltd | Administrative & support | 2020 |
| Robertzon Holdings Limited | Financial services | 2021 |
| Robin Hatfield & SON Limited | Other services | 2006 |
| Robinsons UK Technical Training Academy Ltd | Education | 2018 |
| Robot Control Systems Ltd | Professional & scientific | 2025 |
| Robot in the Basement Limited | Extraterritorial | 2026 |
| Robs Maintenance Services Ltd | Construction | 2022 |
| Rock Resources Ltd | Hospitality | 2023 |
| Rocket Creek Post Ltd | Information & communication | 2022 |
| Rocket Event Rentals Ltd | Hospitality | 2025 |
| Rockphonix Franchising Limited | Administrative & support | 2025 |
| Rockphonix Limited | Education | 2020 |
| Rockport Resources Ltd | Other services | 2019 |
| Rocksteady Holdings Limited | Real estate | 2021 |
| Rockybobs Ltd | Hospitality | 2026 |
| Roco Investment Limited | Real estate | 2024 |
| Rodney Bears Limited | Financial services | 2019 |
| Rogers Barber Shop (Worcester) Limited | Other services | 2011 |
| Rollason Electrical Solutions Limited | Construction | 2011 |
| Rolt Marketing Limited | Manufacturing | 1995 |
| Roman Resources Ltd | Other services | 2023 |
| Romedteam Ltd | Real estate | 2003 |
| Romeo SRS Services Limited | Transport & logistics | 2018 |
| Roofline Services Ltd | Construction | 2023 |
| Roofmax Limited | Construction | 2020 |
| Room 99 Technology Limited | Information & communication | 2025 |
| Room of Requirement Ltd | Manufacturing | 2022 |
| Root 2 Leaf Gardening Limited | Administrative & support | 2014 |
| Root and Rise Project CIC | Information & communication | 2025 |
| Root Grain Limited | Manufacturing | 2026 |
| Rosa Pearl Properties Ltd | Real estate | 2025 |
| Rose Drake the Movie Limited | Information & communication | 2026 |
| Rose Ellis Consultancy Ltd | Administrative & support | 2024 |
| ROSEBEAUTYSTUDIO16 Ltd | Other services | 2025 |
| Roselink Group Limited | Professional & scientific | 2025 |
| Roseller Property Management Limited | Households | 2005 |
| Roserve Ltd | Real estate | 2014 |
| Rosewest Limited | Real estate | 1983 |
| Roshen Solutions Ltd | Administrative & support | 2025 |
| Rosier Bailey Associates Limited | Professional & scientific | 2000 |
| Rosoga Group Limited | Transport & logistics | 2018 |