| Redwall Limited | Households | 1980 |
| Redwarden Ltd | Real estate | 2023 |
| Redweather Productions Limited | Information & communication | 2008 |
| Redwick Limited | Real estate | 2017 |
| Redwing Design Communication Ltd | Professional & scientific | 2002 |
| Redwing Fire Ltd | Professional & scientific | 2019 |
| Redwing Interactive Ltd | Professional & scientific | 2001 |
| Redwood Business Support Ltd | Professional & scientific | 2014 |
| Redwood Construction (Bristol) Limited | Construction | 2015 |
| Redwood Design Ltd | Administrative & support | 2016 |
| Redwood Surveyors Limited | Professional & scientific | 2021 |
| Redwood Technical Solutions Limited | Construction | 2022 |
| Redwood Ventures Limited | Wholesale & retail | 2023 |
| Redwoods Rise Ltd | Financial services | 2025 |
| Redx Dance Limited | Extraterritorial | 2016 |
| Redzhestyle Ltd | Administrative & support | 2018 |
| Reece Ltd | Real estate | 2025 |
| Reecher Limited | Other services | 2016 |
| Reecho Group Holdings Limited | Professional & scientific | 2018 |
| Reecho Group Limited | Administrative & support | 2015 |
| Reed & Co Accountants Limited | Professional & scientific | 2021 |
| Reed & Co Holdings Limited | Financial services | 2026 |
| Reed & Co Investments Limited | Financial services | 2026 |
| Reed & Co Properties Limited | Real estate | 2022 |
| Reed & Co SBS Limited | Professional & scientific | 2023 |
| Reed Bros.And Bailey Limited | Construction | 1964 |
| Reed Car Body Repairs Ltd | Wholesale & retail | 2024 |
| Reed Design and Print Limited | Administrative & support | 2010 |
| Reed Entertainment Limited | Education | 2013 |
| Reed, Stock & Co. Limited | | 1951 |
| Reedlite Living Solutions Limited | Construction | 2024 |
| Reel Catch Ltd | Hospitality | 2026 |
| Reel Soul Ltd | Hospitality | 2018 |
| Reel Stories Ltd | Information & communication | 2024 |
| Reelin River Property Ltd | Real estate | 2024 |
| Reelview Media Limited | Professional & scientific | 2016 |
| Reena Enterprises Limited | Wholesale & retail | 2003 |
| Rees Technical Ltd | Administrative & support | 2019 |
| Rees-Little Properties Limited | Real estate | 2016 |
| Reetesh Limited | Health & social care | 2017 |
| Reeves & Sons Construction Ltd | Construction | 2016 |
| Reeves and Father Ltd | Professional & scientific | 2023 |
| Refine & Build Ltd | Construction | 2025 |
| Refine Property Limited | Construction | 2017 |
| Refined Property Renovations Ltd | Extraterritorial | 2025 |
| Refined Roofing Ltd | Construction | 2024 |
| Reflective Films Limited | Information & communication | 2009 |
| Reflectivemindapp Limited | Information & communication | 2024 |
| Reflex Cameras Limited | Manufacturing | 2024 |
| Reflex Digital Solutions (UK) Ltd | Extraterritorial | 1989 |
| Refocus Coach Ltd | Health & social care | 2020 |
| Reform Investments Ltd | Professional & scientific | 2014 |
| Reform Roofing Limited | Construction | 2022 |
| Reforma Developments Limited | Construction | 2024 |
| Reframe Consulting Ltd | Administrative & support | 2024 |
| Refresh Bristol | Other services | 2012 |
| Refresh Support Limited | Administrative & support | 2011 |
| Refresh West Limited | Hospitality | 2006 |
| Refrigeration Drainage Ltd | Construction | 2023 |
| Refundrx Ltd | Professional & scientific | 2026 |
| REG the VEG Ltd | Wholesale & retail | 2012 |
| Regal Building Developments Ltd | Professional & scientific | 2019 |
| Regal Construction SW Ltd | Construction | 2018 |
| Regal Developments (South West) Ltd | Construction | 2019 |
| Regal Holdings Ltd | Administrative & support | 2018 |
| Regal Oak Properties Ltd | Real estate | 2017 |
| Regal Taxi Ltd | Transport & logistics | 2024 |
| Regal Tiles Limited | Construction | 2002 |
| Regan Style Ltd | Wholesale & retail | 2026 |
| Regen Property Ltd | Construction | 2008 |
| Regen Travel Limited | Administrative & support | 2024 |
| Regenag UK Limited | Extraterritorial | 2015 |
| Regency Development & Support Limited | Real estate | 2015 |
| Regency House Estates Limited | Real estate | 2001 |
| Regency Shutters Ltd | Construction | 2021 |
| Regency Software Limited | Information & communication | 1995 |
| Regenerate Mentoring (Bristol) Ltd | Education | 2022 |
| Regeneration Digital Marketing Ltd | Professional & scientific | 2021 |
| Regenerative Agriculture UK Limited | Extraterritorial | 2015 |
| Regent Apartments (Clevedon) Management Limited | Extraterritorial | 2013 |
| Regent Court Bristol Residents Limited | Households | 1987 |
| Reggie COX Ltd | Professional & scientific | 2015 |
| Regi Fit Ltd | Wholesale & retail | 2025 |
| Regional Ambulance Service Ltd | Health & social care | 2023 |
| Regional Games Ltd. | Arts & recreation | 2010 |
| Regloow Cosmo-Tech Ltd | Wholesale & retail | 2025 |
| Regnant Ace Company Limited | Extraterritorial | 2025 |
| Regnll DRY Linning Ltd | Construction | 2022 |
| Regobyte Ltd | Professional & scientific | 2026 |
| Regulus Solar Limited | Energy | 2025 |
| Reha Corporation 2 Limited | Wholesale & retail | 2025 |
| Reha Ltd | Transport & logistics | 2026 |
| Rehab & Heal Ltd | Health & social care | 2024 |
| Rehab & Perform Ltd | Health & social care | 2023 |
| Rehan Food Store & OFF Licence Ltd | Wholesale & retail | 2025 |
| Rehean Properties Limited | Real estate | 2025 |
| Rehela Catering Ltd | Hospitality | 2018 |
| Reif Properties Limited | Real estate | 2024 |
| Reign Homes Ltd | Real estate | 2025 |
| Reigns Properties Ltd | Real estate | 2023 |