| Red Ventures Interactive Limited | Information & communication | 1999 |
| Red Vista Ltd | Information & communication | 2020 |
| Red Wellies Online Limited | Real estate | 2018 |
| Red Wheel Construction Ltd | Construction | 2026 |
| Red&Blue Ltd | Transport & logistics | 2018 |
| RED29 Ltd | Professional & scientific | 2014 |
| Redact Ltd | Information & communication | 2023 |
| Redauer LP | | 2013 |
| Redback Design Solutions Ltd | Professional & scientific | 2015 |
| Redbarn Systems and Solutions Limited | Information & communication | 2011 |
| Redbridge PPP Health Services Limited | Construction | 1999 |
| Redcap Limited | Manufacturing | 2022 |
| Redcatch Construction Limited | Construction | 2023 |
| Redcatch Fire Doors and Security Limited | Construction | 2026 |
| Redcatch Group Limited | Financial services | 2025 |
| Redcatch Scaffolding Limited | Construction | 2025 |
| Redclad Roofing Services Ltd | Construction | 2021 |
| Redcliff Backs Management Company Limited | Real estate | 2000 |
| Redcliffe Barber Ltd | Other services | 2026 |
| Redcliffe Consultancy Ltd | Education | 2020 |
| Redcliffe Hill Pharma Ltd | Health & social care | 2018 |
| Redcliffe Homes Limited | Construction | 1979 |
| Redcliffe Imaging EOT Ltd | Professional & scientific | 2023 |
| Redcliffe Imaging Ltd | Manufacturing | 1982 |
| Redcliffe Inns Limited | Hospitality | 2013 |
| Redcliffe Kennels Limited | Agriculture & fishing | 2021 |
| Redcliffe Point Ltd | Households | 2008 |
| Redcliffe Property Limited | Construction | 2007 |
| Redcliffe Removals & Storage Ltd | Transport & logistics | 2026 |
| Redcliffe Removals (Portishead) Ltd. | Transport & logistics | 2013 |
| Redcliffe Removals Ltd. | Transport & logistics | 2013 |
| Redcross Court Management Company Limited | Real estate | 2003 |
| Redcross Village Management Company Limited | Households | 2022 |
| Redcube Technologies Ltd | Professional & scientific | 2025 |
| Redd Construction & Consultancy Limited | Construction | 2024 |
| Redder Meadow Limited | Households | 1991 |
| Reddgem Limited | Information & communication | 2015 |
| Reddragon Compliance Ltd | Manufacturing | 2010 |
| Redeemed Christian Church of GOD Glory of GOD Parish Limited | Other services | 2012 |
| Redeemer Careth Limited | Health & social care | 2019 |
| Redefine Development Ltd | Information & communication | 2023 |
| Redefine Mentoring Limited | Health & social care | 2013 |
| Redermis Limited | Professional & scientific | 2008 |
| Redfern Maskell Limited | Financial services | 2025 |
| Redfern Osteopaths Ltd | Health & social care | 2014 |
| Redfest Bristol CIC | Arts & recreation | 2017 |
| Redfield Land Bristol Limited | Construction | 2021 |
| Redfloor Underfloor Heating Services Ltd | Construction | 2017 |
| Redframe Film Productions Limited | Information & communication | 2001 |
| Redgum Limited | Real estate | 2014 |
| Redham Works Ltd | Real estate | 2020 |
| Redhill Automotive Limited | Wholesale & retail | 2024 |
| Redhill S.T. Services Limited | Wholesale & retail | 2021 |
| Redho 8 Limited | Real estate | 2019 |
| Rediffusion Limited | Information & communication | 2017 |
| Redink Construction Limited | Construction | 2021 |
| Reditus Limited | Professional & scientific | 2004 |
| Redlake Power Limited | Energy | 2015 |
| Redland Builders Limited | Construction | 2009 |
| Redland Cleaning Services Limited | Administrative & support | 2026 |
| Redland Club Community Centre C.I.C. | Education | 2003 |
| Redland Court (Bristol) Management Limited | Households | 1986 |
| Redland Court Freehold Limited | Real estate | 2023 |
| Redland Energy Contracts Limited | Professional & scientific | 2013 |
| Redland Green Limited | Arts & recreation | 2011 |
| Redland Heights Management Ltd | Hospitality | 2004 |
| Redland Manor Property Management Company Limited | Real estate | 2018 |
| Redland Psychology Limited | Education | 2021 |
| Redland Psychology Services Ltd | Health & social care | 2020 |
| Redland Radiology Ltd | Health & social care | 2018 |
| Redland Restoration Ltd | Construction | 2022 |
| Redland Search Limited | Professional & scientific | 2012 |
| Redland Securities Limited | Real estate | 2017 |
| Redland Sofas and Curtains Limited | Manufacturing | 2024 |
| Redland Stores and OFF Licence Ltd | Wholesale & retail | 2021 |
| Redland T Chandos Ltd | Hospitality | 2025 |
| Redland Tandoori Ltd | Hospitality | 2016 |
| Redland Timber Company Limited | Wholesale & retail | 1982 |
| Redlees Ltd | Real estate | 2021 |
| Redline Moto Garage Ltd | Wholesale & retail | 2026 |
| Redline Plumbing and Heating Ltd | Construction | 2017 |
| Redlines Analysis Ltd | Information & communication | 2023 |
| Redmaids' High School | Education | 2004 |
| Redmayne House Bristol Ltd | Construction | 2020 |
| Redmond Family Ltd | Real estate | 2019 |
| Redmonkey Group Ltd | Hospitality | 2022 |
| Redpine Freeholds Limited | Real estate | 2024 |
| Redpine Properties Limited | Real estate | 2000 |
| Redpoint Law Limited | Professional & scientific | 2020 |
| Redrock Plant Hire and Agricultural Ltd | Other services | 2000 |
| Redroofline Contractors Ltd | Construction | 2015 |
| Redruth Facilities Limited | Construction | 2001 |
| Redseven Marketing Limited | Administrative & support | 2013 |
| Redstar Waste Management Limited | Professional & scientific | 2004 |
| Redston Tech Limited | Other services | 2020 |
| Redstone Spring Garden CIC | Education | 2024 |
| Redtail Advisory Ltd | Financial services | 2025 |
| Redtiffer Ltd | Administrative & support | 2008 |
| Redtrans Limited | Transport & logistics | 2018 |
| Reduction Limited | Information & communication | 1999 |