| Rachel Everington Marketing Limited | Professional & scientific | 2020 |
| Rachel Gardiner Estate Agents & New Homes Recruitment Ltd | Real estate | 2023 |
| Rachel Healy Limited | Health & social care | 2025 |
| Rachel Rebecca Limited | Administrative & support | 2021 |
| Rachel's Bookkeeping Services Ltd | Professional & scientific | 2020 |
| Racine Railroad Products UK Limited | Manufacturing | 2022 |
| Racing Line Bodyworks Limited | Other services | 2015 |
| Rack Athletic Ltd | Manufacturing | 2025 |
| Rack Management Limited | Professional & scientific | 1982 |
| Rackstor Solutions Ltd | Construction | 2022 |
| Rackvernal Court Management Limited | Households | 1988 |
| Racolin Limited | Manufacturing | 1983 |
| Racoontech Ltd | Professional & scientific | 2015 |
| RAD Agency Limited | Wholesale & retail | 2025 |
| RAD Mill Farm Shop Limited | Wholesale & retail | 2020 |
| Radar Private Security Solutions Limited | Administrative & support | 2025 |
| Radcliffe Corporation UK Limited | Financial services | 2018 |
| Radclyffe Holdings Limited | Administrative & support | 2016 |
| Radclyffe Limited | Administrative & support | 2007 |
| Raddi Limited | Arts & recreation | 2020 |
| Radeks Chocolate Ltd | Manufacturing | 2020 |
| Radeks Chocolate Shops Ltd | Wholesale & retail | 2026 |
| Raden LP | | 2011 |
| Radford Mill Ltd | Agriculture & fishing | 2022 |
| Radh Ltd | Information & communication | 2024 |
| Radhashyam UK Limited | Wholesale & retail | 2024 |
| Radhr Ltd | Health & social care | 2022 |
| Radian Associates Ltd | Professional & scientific | 2016 |
| Radiance Energy UK Limited | Energy | 2025 |
| Radiant Climate Solutions Ltd | Professional & scientific | 2025 |
| Radiant Harmony Limited | Education | 2025 |
| Radiant Pearl Ltd | Health & social care | 2023 |
| Radiantbristol Ltd | Administrative & support | 2023 |
| Radiate Digital Radio Limited | Information & communication | 2022 |
| Radiate Ideas Ltd. | Information & communication | 1992 |
| Radical Consulting Limited | Professional & scientific | 2006 |
| Radical Nature CIC | Health & social care | 2024 |
| Radical Productions Ltd | Hospitality | 2025 |
| Radical Research Limited | Information & communication | 2010 |
| Radical Roasters Ltd | Manufacturing | 2021 |
| Radii Devices Ltd | Information & communication | 2019 |
| Radiodetection Limited | Manufacturing | 1977 |
| Radiodmx Ltd | Extraterritorial | 2018 |
| Radiodns Limited | Information & communication | 2013 |
| Radiology Evolve Limited | Health & social care | 2020 |
| Radiology Mrfj Limited | Health & social care | 2021 |
| Radiophonic Workshop Ltd | Information & communication | 2016 |
| Radipole Homes Limited | Construction | 2017 |
| Radipole Mill Investments Limited | Financial services | 2015 |
| Radius Events Ltd | Professional & scientific | 2024 |
| Radius Warehouse and Logistic Services Limited | Transport & logistics | 2017 |
| Radl Residentials Ltd | Real estate | 2016 |
| Radl UK Ltd | Professional & scientific | 2013 |
| Radner Mechanical Ltd | Energy | 2021 |
| Radnor Homes Limited | Construction | 2002 |
| Radnor Range Limited | Public administration | 2005 |
| Radnor Training & Security Limited | Public administration | 2005 |
| Radonova Scientific Ltd | Professional & scientific | 2017 |
| Radoslav Verner Services Ltd | Hospitality | 2021 |
| Radstock Road Developments Limited | Real estate | 2024 |
| RADU1987 Ltd | Transport & logistics | 2023 |
| Radwin Partnership | | 2003 |
| Radwinter Road Flat Management Company Limited | Households | 2002 |
| Radzio Trans Ltd | Transport & logistics | 2017 |
| Raeko Properties Limited | Real estate | 2024 |
| Raeko Sourcing Limited | Real estate | 2025 |
| RAF & PIT Limited | Administrative & support | 2025 |
| RAF Transport Services Ltd | Transport & logistics | 2019 |
| RAF1 Ltd | Financial services | 2021 |
| Rafaa Records Ltd | Information & communication | 2020 |
| Raff Minimarket Ltd | Wholesale & retail | 2023 |
| Raff Pack Ltd | Other services | 2024 |
| Raffle Consulting Ltd | Professional & scientific | 2021 |
| Raffum Enterprises Limited | Health & social care | 2014 |
| Rafia Afzal Co Ltd | Real estate | 2015 |
| Rafiq General Trading UK Ltd | Wholesale & retail | 2021 |
| Rafreg Limited | Hospitality | 2021 |
| Rafspeed Ltd | Transport & logistics | 2013 |
| Raft Bristol CIC | Education | 2026 |
| Ragdoll Research and Planning Limited | Professional & scientific | 2003 |
| Raging Artist Ltd | Wholesale & retail | 2024 |
| Ragk Engineering Ltd | Construction | 2009 |
| Raglan Castle Properties Limited | Arts & recreation | 1993 |
| Raglan Golf Club Ltd | Administrative & support | 2023 |
| Raglan Stove Shop Limited | Wholesale & retail | 2013 |
| Raglan Suite Limited | Health & social care | 2012 |
| Ragnetic Limited | Financial services | 2021 |
| Ragoo Residentials Ltd | Real estate | 2018 |
| Rags to Riches Restorations Limited | Real estate | 2004 |
| Ragù Restaurant Bristol Limited | Hospitality | 2025 |
| RAH (Bristol) Property Ltd | Real estate | 2020 |
| RAH Bristol Ltd | Other services | 2024 |
| Raha Kids Ltd | Wholesale & retail | 2023 |
| Rahim & Sons Bristol Limited | Hospitality | 2019 |
| Rahim&Selim Ltd | Transport & logistics | 2026 |
| Rahimian Holdings Ltd | Real estate | 2023 |
| Rahk Properties Limited | Real estate | 2020 |
| Rahma Residences Limited | Real estate | 2025 |
| Rahman Asset Management Ltd | Real estate | 2021 |
| Rahman Partners Ltd | Real estate | 2026 |