| Realtrained Care Limited | Hospitality | 2017 |
| REB Mortgage & Financial Solutions Ltd | Administrative & support | 2017 |
| Rebecca Edits Limited | Information & communication | 2021 |
| Recovery United Network Limited | Professional & scientific | 2024 |
| Red Kite Cycles Limited | Wholesale & retail | 2003 |
| Red Lake Properties Limited | Real estate | 2018 |
| Red Red Pine | Real estate | 2019 |
| Red Red Pine Holdings | Financial services | 2019 |
| Red Twentythree Limited | Information & communication | 2023 |
| Redbox Associates LLP | | 2017 |
| Redbox Tax Associates LLP | | 2010 |
| Reddi Support Limited | Health & social care | 2016 |
| Redditch Grab Hire Ltd | Construction | 2018 |
| Redditch Grinding & Profiling Limited | Manufacturing | 2016 |
| Redditch Judo Kwai Community Interest Company | Arts & recreation | 2017 |
| Redditch Shotblasting Co. Limited | Manufacturing | 1978 |
| Redefine Recruitment Limited | Administrative & support | 2024 |
| Redholly Limited | Households | 2009 |
| Redhouse Barn Bromsgrove Limited | Administrative & support | 2013 |
| Redhouse Barn Holdings Limited | Administrative & support | 2013 |
| Redhouse Barn Limited | Other services | 2009 |
| Redhouse Estate (Barford) Limited | Households | 1966 |
| Rednal Tyres Limited | Wholesale & retail | 2022 |
| Redset Limited | Administrative & support | 2007 |
| Redstone Plumbing and Heating Ltd | Construction | 2011 |
| Redthreadmotorvation Limited | Transport & logistics | 2013 |
| Redwood Demolition Ltd | Construction | 2019 |
| Reedmace Solutions Ltd | Information & communication | 2019 |
| Ref-Sol Limited | Construction | 2007 |
| Refined Lighting Limited | Wholesale & retail | 2013 |
| Refit-Solutions Ltd | Construction | 2024 |
| Reflections Office Solutions Limited | Manufacturing | 2011 |
| Reflex Therapy & Wellbeing Ltd | Health & social care | 2024 |
| Reform Aesthetics Ltd | Other services | 2023 |
| Reform Laser Ltd | Other services | 2025 |
| Reform Physio Telford Ltd | Other services | 2023 |
| Reform Renovations Ltd | Construction | 2023 |
| Refuel Catering & Facilities Ltd | Hospitality | 2023 |
| Regency Screenprint Limited | Manufacturing | 1996 |
| Regency Star Ltd | Manufacturing | 2024 |
| Reid Farming Ltd | Agriculture & fishing | 2026 |
| Reis Surface Engineering Ltd | Professional & scientific | 2024 |
| Relax Seating Limited | Wholesale & retail | 2017 |
| Relay Technologies Group Limited | Transport & logistics | 2026 |
| Releaseyourpotential Limited | Administrative & support | 2018 |
| Reliable Barrier Systems Ltd | Manufacturing | 2024 |
| Reliant Air Ltd | Construction | 2022 |
| Remibears Playhouse Ltd | Health & social care | 2026 |
| Remo Holdings Limited | Financial services | 2023 |
| Renaissance INK Limited | Other services | 2021 |
| Renderpro Limited | Construction | 2015 |
| Renderpro North Limited | Construction | 2026 |
| Renew Physiotherapy Ltd | Health & social care | 2026 |
| Repairtech Services (UK) Ltd | Manufacturing | 2012 |
| Repairtek Electronics Limited | Manufacturing | 2015 |
| Resource Finders Limited | Administrative & support | 2010 |
| Responsiva Limited | Professional & scientific | 2013 |
| Restaurant 8 Ltd | Hospitality | 2022 |
| Restaurant Bench Limited | Hospitality | 2019 |
| Restaurant Black & Green Ltd | Hospitality | 2022 |
| Restaurant Daise Limited | Hospitality | 2022 |
| Restaurant Dishes Limited | Professional & scientific | 2023 |
| Restaurant SOW Limited | Hospitality | 2024 |
| Resurgo Genetics Limited | Professional & scientific | 2017 |
| Retramseidal Limited | Professional & scientific | 2025 |
| Retreat D.I.Y. Limited | Real estate | 1987 |
| Reva PVT Ltd | Wholesale & retail | 2024 |
| Revaz Marketing Ltd | Professional & scientific | 2026 |
| Revere Entertainment Company Limited(The) | Information & communication | 1967 |
| Rewarding Customers Ltd | Professional & scientific | 2018 |
| Rewarding Staff Limited | Administrative & support | 2019 |
| Rewind Creative Ltd | Professional & scientific | 2020 |
| REWIR3D: Cognitive and Behavioural Health Ltd | Information & communication | 2025 |
| Reynolds Trading Limited | Wholesale & retail | 2007 |
| Reznet Limited | Professional & scientific | 2021 |
| RG Holidays Limited | Wholesale & retail | 2017 |
| Rgfs Wholesalers Ltd | Wholesale & retail | 2025 |
| RGS Allen Property Ltd | Real estate | 2024 |
| RH Carpentry Ltd | Construction | 2020 |
| RH Rental Properties Ltd | Real estate | 2024 |
| RH Vehicle Movements Ltd | Transport & logistics | 2023 |
| RHINO1 Ltd | Real estate | 2023 |
| Ribbon Holdings Limited | Administrative & support | 2025 |
| Ribbon Writer Limited | Manufacturing | 2020 |
| Richard G. Meadon & Co. (Wellington) Limited | Professional & scientific | 1963 |
| Richard Hood Associates Ltd | Professional & scientific | 2012 |
| Richard Williams Dental Care Limited | Health & social care | 2017 |
| Richard's PDR Ltd | Wholesale & retail | 2019 |
| Richards AI Partners Ltd | Professional & scientific | 2026 |
| Richmond Court (Bewdley) Management Company Limited | Households | 2007 |
| Ricketts Takhar Logistics Ltd | Transport & logistics | 2017 |
| Ridge Holdings and Investments Limited | Financial services | 2024 |
| Rigby Hall Management Company Ltd | Households | 2019 |
| Rilec Limited | Construction | 2021 |
| Riley and Riley Limited | Financial services | 2014 |
| Rinkid Enterprises Limited | Financial services | 2023 |
| RIPPL3 Solutions Ltd | Financial services | 2024 |
| Ripple Productions (Essex) Limited | Information & communication | 2014 |
| Rise Collective Network Ltd | Administrative & support | 2025 |
| Riya Limited | Real estate | 2005 |