| Rewardmeloyalty Limited | Information & communication | 2015 |
| REX Down Holdings Limited | Wholesale & retail | 2017 |
| REX Down Market Limited | Wholesale & retail | 2018 |
| REZ Mitigation Ltd | Professional & scientific | 2021 |
| RF Civils and Construction Limited | Construction | 2020 |
| Rfbm Contractors Limited | Construction | 2017 |
| Rfbm Group Limited | Real estate | 2024 |
| Rfbm Scaffolding Limited | Construction | 2017 |
| RFS Marketing & Communications Limited | Professional & scientific | 2017 |
| Rfsl (SW) Limited | Hospitality | 2025 |
| RGB Sales Support Ltd | Professional & scientific | 2015 |
| RGV Workshop Ltd. | Wholesale & retail | 2012 |
| RH Group Southwest Limited | Financial services | 2025 |
| RH Property Southwest Limited | Real estate | 2025 |
| RH Tuning Ltd | Wholesale & retail | 2014 |
| Rhaelix Ltd | Transport & logistics | 2025 |
| RHD Car Care Ltd | Wholesale & retail | 2024 |
| RHG Innovations Ltd | Wholesale & retail | 2000 |
| Rhino Motors Limited | Wholesale & retail | 2014 |
| RHM (Southwest) Ltd | Construction | 2016 |
| Rhoddys Bites Ltd | Manufacturing | 2025 |
| Rhubarb & Mustard SW Ltd | Hospitality | 2024 |
| Rhubarb Coffee Ltd | Hospitality | 2026 |
| Rhythm City CIC | Arts & recreation | 2020 |
| Rhythm Room Music Events Ltd | Arts & recreation | 2025 |
| Rhyze Softworks Ltd | Information & communication | 2022 |
| RI Carpentry Ltd | Manufacturing | 2018 |
| Rialto Court Limited | Households | 2012 |
| Ribla Ltd | Health & social care | 2024 |
| Ribstore Limited | Extraterritorial | 2010 |
| Rich Anstey Floor Care Specialist Ltd | Administrative & support | 2020 |
| Rich Taste Limited | Hospitality | 2024 |
| Richard Brown Plastering Contractors Limited | Construction | 2013 |
| Richard Estates Limited | Real estate | 2019 |
| Richard Harding Groundworks Limited | Construction | 2022 |
| Richard Harding Holdings Limited | Financial services | 2021 |
| Richard Harding Limited | Construction | 2015 |
| Richard Harding Plant Limited | Administrative & support | 2022 |
| Richard Walter Parson Limited | Professional & scientific | 2002 |
| Richards Builders Merchants Limited | Wholesale & retail | 2016 |
| Richcraft UK Ltd | Professional & scientific | 2020 |
| Richie Lancaster Limited | Transport & logistics | 2019 |
| Richmond Green Taunton Limited | Households | 2003 |
| Richwood House Limited | Information & communication | 2018 |
| Ricky's (Huddersfield) Ltd | Hospitality | 2020 |
| Ride Motorcycle Training Ltd | Education | 2025 |
| Ridgeway (Plympton) Management Company Limited | Households | 2008 |
| Rier Limited | Real estate | 2019 |
| RIG Corp Ltd | Mining & quarrying | 2021 |
| RIG Hayle Ltd | Water & waste | 2024 |
| RIG Newquay Limited | Water & waste | 2024 |
| RIG Plymouth Ltd | Water & waste | 2024 |
| Rigahive Ltd | Construction | 2020 |
| Rigcrete Ltd | Manufacturing | 2024 |
| Right on Mobile Plant Training Ltd | Education | 2020 |
| Right Price Motorcycles Limited | Wholesale & retail | 2002 |
| Right Price Pvcu Limited | Construction | 2013 |
| Right Stays Ltd | Hospitality | 2019 |
| Right Trade Exchange Limited | Information & communication | 2021 |
| Rigit Limited | Construction | 2006 |
| Riley's Pro-Trowel Plastering Ltd | Construction | 2024 |
| Riley-James Developments Limited | Construction | 2018 |
| Rima Plymouth Ltd | Wholesale & retail | 2025 |
| Rind Consults Ltd | Health & social care | 2024 |
| RIO Brew Co Ltd | Hospitality | 2025 |
| Rise and Grind Limited | Hospitality | 2017 |
| Rise Education and Care Group Ltd | Education | 2025 |
| Rising Sun Enterprise Ltd | Hospitality | 2025 |
| Rissa Bites Ltd | Hospitality | 2024 |
| Rittal Holdings Limited | Professional & scientific | 1980 |
| Rittal-C S M Limited | Manufacturing | 1965 |
| Riva Construction Services Limited | Construction | 2016 |
| Rivage Freehold Management Company Limited | Households | 2022 |
| Rivendell Estates Limited | Real estate | 1998 |
| River Yealm Mooring Services Ltd | Agriculture & fishing | 2018 |
| Rivera Fasteners Ltd | Wholesale & retail | 2024 |
| Riverford Developments Ltd | Construction | 2021 |
| Riverrun Properties Ltd. | Real estate | 2020 |
| Rivers-Fletcher Limited | Real estate | 2019 |
| Riverside Court (Bath) Limited | Real estate | 1988 |
| Riverside Mills Management Limited | Households | 2005 |
| Riviana Limited | Real estate | 2022 |
| Riviera Mediation Ltd | Other services | 2024 |
| Rivieratech Limited | Information & communication | 2023 |
| Rivo Energy Group Ltd | Construction | 2025 |
| Riyo Multiservice Ltd | Transport & logistics | 2017 |
| RJ & B Ltd | Financial services | 2025 |
| RJ Optical Ltd | Health & social care | 2024 |
| RJ Outreach Services Ltd | Health & social care | 2025 |
| Rj&W Property Ltd | Real estate | 2024 |
| RJB Engineering (South West) Limited | Extraterritorial | 2016 |
| RJB Fire & Security Limited | Administrative & support | 2021 |
| RJB Solutions (South West) Limited | Construction | 2007 |
| RJC Motors Limited | Wholesale & retail | 2026 |
| RJF Trading Group Ltd | Wholesale & retail | 2026 |
| RJI Villars Limited | Real estate | 2025 |
| RJK (Plymouth) Limited | Professional & scientific | 2011 |
| RJL Abodes Ltd | Real estate | 2021 |
| RJM Lettings Southwest Ltd | Real estate | 2026 |
| RJP CAD Services Ltd | Information & communication | 2018 |