| Rengt LP | | 2012 |
| Reni's Kitchens Ltd | Hospitality | 2025 |
| Renibus UK Ltd | Extraterritorial | 2023 |
| Rennd Limited | Manufacturing | 2014 |
| Rennie Properties Ltd. | Real estate | 2017 |
| Rennison Five Ltd | Real estate | 2023 |
| Reno Films Ltd | Information & communication | 2025 |
| Renova Bristol Ltd | Construction | 2013 |
| Renovate and Build Ltd | Construction | 2016 |
| Renovate Bristol Ltd | Construction | 2019 |
| Renovate Building and Maintenance Limited | Construction | 2019 |
| Renovate Building Services Ltd | Manufacturing | 2020 |
| Renshen Limited | Extraterritorial | 2007 |
| Rent a Van Bristol Ltd | Administrative & support | 2024 |
| Rent and Renovate Limited | Real estate | 2025 |
| Rent First Homes Limited | Real estate | 2022 |
| Rent Happily Limited | Real estate | 2017 |
| Rent My Clothing Ltd | Administrative & support | 2019 |
| Rent Wise Ltd | Real estate | 2018 |
| Rental Connections Limited | Professional & scientific | 2003 |
| Rentalist Ltd | Real estate | 2016 |
| Rentight Ltd | Administrative & support | 2024 |
| Rentinvest Limited | Real estate | 2026 |
| Rentll Limited | Real estate | 2020 |
| Rentright Limited | Real estate | 2017 |
| Rentwise Advantage Ltd | Real estate | 2025 |
| Rentx Estates Limited | Real estate | 2024 |
| Rentzo Limited | Real estate | 2022 |
| Renual Creative Ltd | Other services | 2025 |
| Repair & Accessories Limited | Wholesale & retail | 2018 |
| Repair Appliance Limited | Manufacturing | 2024 |
| Repair Phones 4U.COM Limited | Other services | 2015 |
| Repair Revolution Limited | Manufacturing | 2013 |
| Reparations Bristol C.I.C. | Administrative & support | 2021 |
| Repent Ltd | Wholesale & retail | 2023 |
| Replai CAM Ltd | Wholesale & retail | 2025 |
| Replay Social Escape Ltd | Hospitality | 2024 |
| Replete Commercial Services Ltd | Hospitality | 2018 |
| Repromed Limited | Real estate | 2003 |
| Repton Estate Management Company Limited | Households | 2007 |
| Repton Gardens Management Company Limited | Households | 2026 |
| Repton Hall Management Company Limited | Households | 2006 |
| Repton Road Residents Management Company Ltd | Households | 2006 |
| Repute Limited | Hospitality | 2015 |
| Request Development Limited | Information & communication | 2026 |
| RES Saltatio Limited | Other services | 2018 |
| Rescue PC Limited | Information & communication | 2016 |
| Researcherly Ltd | Professional & scientific | 2019 |
| Reset Bristol Ltd | Health & social care | 2025 |
| Residence (Bristol) C.I.C. | Arts & recreation | 2013 |
| Residential Inventory & Inspection Company Ltd | Administrative & support | 2010 |
| Residential Secure Income PLC | Financial services | 2017 |
| Residents Management (NO.5) Limited | Households | 1985 |
| Resilience and Skills Rise for Equal Mind CIC | Education | 2026 |
| Resilience Network CIC | Administrative & support | 2023 |
| Resilient Designs Limited | Information & communication | 2007 |
| Resilient Healthcare Teams Ltd. | Education | 2024 |
| Resimion Limited | Information & communication | 2020 |
| Resin Bound Ltd | Other services | 2017 |
| Resin Resolutions Driveways & Patio Ltd | Administrative & support | 2025 |
| Resirva Limited | Information & communication | 2025 |
| Resistance Release Ltd | Health & social care | 2026 |
| Resko LP | | 2015 |
| Resolut Haven Healthcare Ltd | Public administration | 2025 |
| Resolute Clinical Healthcare Ltd | Health & social care | 2023 |
| Resolution Films Limited | Information & communication | 2011 |
| Resolution Imaging Ltd. | Health & social care | 2014 |
| Resolution Signs Limited | Construction | 2013 |
| Resolve Claims Management Ltd | Other services | 2025 |
| Resolve NDT Ltd | Professional & scientific | 2025 |
| Resolve Test Consultants Ltd | Administrative & support | 2007 |
| Resolve Training Services Limited | Education | 2017 |
| Resolve West Ltd | Health & social care | 1990 |
| Resonance Sciences Limited | Wholesale & retail | 2019 |
| Resonance Systems Ltd | Manufacturing | 2026 |
| Resonant Audio Ltd | Information & communication | 2012 |
| Resource Futures Limited | Professional & scientific | 2006 |
| Resource Gift Solutions Ltd | Wholesale & retail | 2008 |
| Resource Manage Limited | Professional & scientific | 2003 |
| Resource Managers Limited | Administrative & support | 2003 |
| Resource Media Limited | Information & communication | 2001 |
| Resource Ready Limited | Information & communication | 2025 |
| RESOURCE4UHUB Ltd | Information & communication | 2026 |
| Resourceful Solutions Partnership Ltd | Professional & scientific | 2025 |
| Resourcify Ltd | Information & communication | 2018 |
| Respace Design and Build Ltd | Construction | 2026 |
| Respiratory Protective Assessment Ltd | Administrative & support | 2010 |
| Respite Explorers ALP Ltd | Health & social care | 2025 |
| Respite Explorers C.I.C. | Health & social care | 2020 |
| Respite Retreats Limited | Education | 2009 |
| RESPITE4YOU Ltd | Health & social care | 2026 |
| RESPITE4YOU Services CIC | Health & social care | 2025 |
| Response Alarm Systems Ltd | Extraterritorial | 2015 |
| Response Alarms Ltd | Extraterritorial | 2026 |
| Response Batteries Ltd | Extraterritorial | 2014 |
| Response Care Training Limited | Education | 2008 |
| Responsible Mailing Ltd | Administrative & support | 1997 |
| Resqearth Ltd | Other services | 2025 |
| Rest of the World Limited | Arts & recreation | 2022 |
| Rest Well Relocation Services Limited | Hospitality | 2025 |