| Rentahoist Limited | Extraterritorial | 1960 |
| Residhold Limited | Professional & scientific | 1936 |
| Resolve and Restore Ltd | Other services | 2022 |
| Ress Direct Limited | Administrative & support | 2024 |
| Restore Surgical Limited | Wholesale & retail | 2017 |
| Restoremore Furniture Solutions Ltd | Other services | 2026 |
| Retail Forge Limited | Wholesale & retail | 2025 |
| Retail Vivid Limited | Wholesale & retail | 2025 |
| Retro Components Ltd | Wholesale & retail | 2020 |
| Revival Brand Limited | Wholesale & retail | 2018 |
| Revival Fitness Clothing Limited | Wholesale & retail | 2022 |
| Revive Medical Aesthetics Limited | Health & social care | 2012 |
| Rexroo Ltd | Wholesale & retail | 2022 |
| Rextek CNC Ltd | Professional & scientific | 2023 |
| Reynolds Wealth Ltd | Financial services | 2025 |
| RFG Group Limited | Arts & recreation | 2026 |
| RGC Builders and Maintenance Ltd | Construction | 2018 |
| RGR Architects Ltd | Construction | 2014 |
| RH Drayton Limited | Hospitality | 2025 |
| RH Electrical Installations Limited | Construction | 2010 |
| RHF Mechanical Services Limited | Financial services | 2013 |
| RHO (Tenbury Wells) Limited | Wholesale & retail | 2013 |
| Riar&Sons Ltd | Wholesale & retail | 2025 |
| Richard Miles Photography Limited | Professional & scientific | 2010 |
| Richards Estates Ltd | Real estate | 2026 |
| Richards Family Investments (UK) Limited | Professional & scientific | 2011 |
| Richards Family Investments LLP | | 2011 |
| Richardsons Accountancy Services Ltd | Extraterritorial | 2010 |
| Richmere Court Residents Limited | Households | 1985 |
| Rickys Lawns and Gardens Ltd | Administrative & support | 2025 |
| Ridgacre Healthcare Limited | Wholesale & retail | 2023 |
| Ridge Commercials Ltd | Real estate | 2005 |
| Ridge Group Holdings Limited | Financial services | 2021 |
| Ridge Roofing Solutions Limited | Construction | 2025 |
| Ridgewell Hill Management Company Limited | Households | 2021 |
| RIG Fitness Limited | Other services | 2010 |
| Riggers Mate Limited | Extraterritorial | 1995 |
| Ripple Coaching & Development Ltd | Education | 2025 |
| Rise Roofing & Solar Ltd | Construction | 2026 |
| Rise Wholesale Limited | Wholesale & retail | 2022 |
| Risk Management Services UK Limited | Professional & scientific | 1992 |
| Riverside Stourbridge Community Interest Company | Health & social care | 2015 |
| Rizwan Barber Ltd | Other services | 2025 |
| Rizzo & Purkiss Holdings Ltd | Real estate | 2015 |
| RJM Financial Consultancy Ltd | Professional & scientific | 2011 |
| RJP PM Solutions Ltd | Information & communication | 2013 |
| RM Essentials Ltd | Wholesale & retail | 2023 |
| RMB GAS Limited | Professional & scientific | 2015 |
| RMB Marble Limited | Construction | 2017 |
| RMD Roofing Limited | Construction | 2026 |
| Rmjd Limited | Financial services | 2016 |
| Rmore Ltd | Health & social care | 2025 |
| Ro&Di Cleaning Ltd | Administrative & support | 2023 |
| Roach Hunt Limited | Professional & scientific | 2014 |
| Roadrunner Carz Ltd | Wholesale & retail | 2026 |
| ROB Hemus Ltd | Professional & scientific | 2018 |
| Robbie Cooks and Bakes Ltd | Hospitality | 2025 |
| Robert Dunning (Electrical Contractors) Limited | Manufacturing | 1998 |
| Robert Hill (LYE) Limited | Wholesale & retail | 2019 |
| Robert Reynolds (Commercials) Limited | Wholesale & retail | 1983 |
| Roberts & Sons Plant Hire Ltd | Administrative & support | 2024 |
| Robinson & Sproson Ltd | Health & social care | 2003 |
| Robinsons for Plumbing Ltd | Construction | 2024 |
| Roborough Limited | Extraterritorial | 1995 |
| Robots 4 Rail Limited | Manufacturing | 2020 |
| Robust Polishing Ltd | Construction | 2026 |
| Robyn & Jordan Ltd | Construction | 2023 |
| Rock Dental Ltd | Health & social care | 2014 |
| Rock EM Dead Records Ltd | Information & communication | 2020 |
| Rock Refurb Ltd | Construction | 2013 |
| Rockbridge Atlantic Ltd | Real estate | 2020 |
| Rocket Fuel for Robots Ltd | Information & communication | 2021 |
| Rockingham Hall Management Company Limited | Real estate | 1990 |
| Rockpool Financial Ltd | Information & communication | 2018 |
| Rockstan Business Services Ltd | Professional & scientific | 2026 |
| Roger Neal Ltd | Professional & scientific | 2024 |
| Roisin Properties Limited | Real estate | 2023 |
| ROK Contractors Ltd | Construction | 2021 |
| Rolo Property Investments Limited | Real estate | 2019 |
| Rome Property Ltd | Real estate | 2022 |
| Romeo Juliet Foxtrot Limited | Information & communication | 2023 |
| Ronnie's Real Wood-Fired Pizza Ltd | Hospitality | 2016 |
| Room 9 Media Ltd | Information & communication | 2011 |
| Room Twenty 3 Limited | Other services | 2012 |
| Roots Mind and Body Studio Ltd | Other services | 2026 |
| Rosalini Limited | Real estate | 2025 |
| Rose and MAE Limited | Wholesale & retail | 2014 |
| Rose Medical Consultancy Limited | Health & social care | 2018 |
| Roseheath Lettings Limited | Real estate | 2016 |
| Rosemount Property Ltd | Real estate | 2021 |
| Rosie Retail Limited | Wholesale & retail | 2021 |
| Roti & Curry Junction LYE Ltd | Hospitality | 2024 |
| Rowdon Group Limited | Administrative & support | 2023 |
| Rowenice Ltd | Real estate | 2017 |
| Rowley Electrical Limited | Construction | 2020 |
| Royton Properties Limited | Administrative & support | 1963 |
| RP Fleet Management Ltd | Professional & scientific | 2021 |
| RP Merchandise Ltd | Wholesale & retail | 2025 |
| Rpmed Ltd | Health & social care | 2015 |
| Rrlh Property Limited | Real estate | 2019 |