| Red Earth Systems Limited | Manufacturing | 2003 |
| Red IVY Properties Limited | Real estate | 2024 |
| Red LEO Homes Ltd | Real estate | 2025 |
| Red LEO Ltd | Information & communication | 2018 |
| Red Pubs of Gloucestershire Ltd | Hospitality | 2025 |
| Red Rope Theatre Company Ltd. | Arts & recreation | 2013 |
| Redbeer Limited | Wholesale & retail | 2023 |
| Redbourn Renovations Ltd | Energy | 2015 |
| Redbrick Estates Limited | Real estate | 2011 |
| Redbridge Property Services Limited | Administrative & support | 2015 |
| Redcart PM Solutions Limited | Real estate | 2011 |
| Redcart Project Services Ltd | Information & communication | 2017 |
| Redcart Properties Ltd | Real estate | 2016 |
| Redding Interiors Ltd | Construction | 2019 |
| Redfox Customs Ltd | Wholesale & retail | 2023 |
| Redgarth Construction Limited | Construction | 2021 |
| Redgarth Group Limited | Construction | 2025 |
| Redrig Limited | Information & communication | 2023 |
| Redsixty Limited | Information & communication | 2002 |
| Redskye Limited | Extraterritorial | 2018 |
| Redwall Syndicate Limited | Agriculture & fishing | 2016 |
| Redwind Builders Limited | Construction | 2018 |
| Redwing House Management Limited | Extraterritorial | 2003 |
| Redwood (Bristol) Management Company Limited | Households | 2016 |
| Redwood Bespoke Ltd | Construction | 2020 |
| Ree-Training Solutions Ltd | Education | 2023 |
| Ree-Vive Wellness & Beauty LLP | | 2018 |
| Reed Arthur Limited | Professional & scientific | 2025 |
| Reeson Beauty Limited | Wholesale & retail | 2021 |
| Referral Networking Ltd | Other services | 2024 |
| Reflect Technology Ltd | Information & communication | 2016 |
| Reflexology With Louise Turner Ltd | Other services | 2023 |
| Regained Artistry Limited | Professional & scientific | 2013 |
| Regal Pet Company Limited | Manufacturing | 2025 |
| Regency Accounting Ltd | Professional & scientific | 2007 |
| Regency Contracting (Cheltenham) Limited | Construction | 1998 |
| Regency House Dental Surgery Limited | Health & social care | 2020 |
| Regency Mews (Cheltenham) NO. 2 Management Limited | Households | 1998 |
| Regent Accountants Cheltenham Ltd | Professional & scientific | 2009 |
| Regent Digital Ltd | Information & communication | 2026 |
| Regent House Management (Cheltenham) Limited | Households | 2017 |
| Reggae Bro's Limited | Hospitality | 2025 |
| Regiment Roofing Limited | Construction | 2017 |
| Regina Hairs Ltd | Other services | 2025 |
| Reginald Gray Limited | Administrative & support | 2024 |
| Regs Inc Ltd | Professional & scientific | 2024 |
| REH Mechanical Engineering Ltd | Manufacturing | 2020 |
| Rehman and Sons Limited | Hospitality | 2021 |
| Rehobothkidz Ltd | Wholesale & retail | 2023 |
| Rein Property Ltd | Hospitality | 2022 |
| Rein Property Sourcing Ltd | Administrative & support | 2023 |
| Reis Decorators Limited | Construction | 2018 |
| Reis Investments Limited | Real estate | 2026 |
| Relately Ltd | Information & communication | 2022 |
| Relating Dots Limited | Health & social care | 2022 |
| Relaunch Ltd | Administrative & support | 2023 |
| Relitum Limited | Wholesale & retail | 2025 |
| Remarkable Improvements Ltd | Construction | 2024 |
| Remote Audio Ltd | Extraterritorial | 2024 |
| Remote Writer Ltd | Professional & scientific | 2020 |
| Remyroo Ltd | Wholesale & retail | 2025 |
| Renderbuild Co. Limited | Construction | 2021 |
| Rendox Designs Ltd | Manufacturing | 2024 |
| Renew Engineering & Fabrications Limited | Professional & scientific | 2022 |
| Renew the Mind Limited | Health & social care | 2022 |
| Renew-Mech Ltd | Professional & scientific | 2026 |
| Renomate Ltd | Real estate | 2021 |
| Renouf Properties Ltd | Real estate | 2026 |
| Renovate Solutions Ltd | Extraterritorial | 2011 |
| Renovationist Ltd | Real estate | 2025 |
| Renovell Ltd | Administrative & support | 2025 |
| Renster Engineering Services Limited | Manufacturing | 2020 |
| Rent Back Investments Limited | Real estate | 2007 |
| Repairmyhome C.I.C. | Administrative & support | 2023 |
| Repboards Ltd | Manufacturing | 2010 |
| Replay Developments Ltd | Real estate | 2009 |
| Republiqe Ltd | Information & communication | 2020 |
| Reqoo Ltd | Information & communication | 2026 |
| Reqwest Limited | Administrative & support | 2008 |
| RES Design and Build Limited | Construction | 2020 |
| Researchgeek Ltd | Professional & scientific | 2025 |
| Resellable Ltd | Wholesale & retail | 2024 |
| Reservoir Homes Limited | Construction | 2010 |
| RESILIENCE@4PW Ltd | Public administration | 2026 |
| Resin & Wood Ltd | Construction | 2019 |
| Resipoint Ltd | Manufacturing | 2023 |
| Resolving Sites Ltd | Households | 2025 |
| Resource Financial Management Ltd | Professional & scientific | 2009 |
| Resource IT Solutions Ltd | Information & communication | 2022 |
| Restoration Studio Ltd | Hospitality | 2022 |
| Restore Black C.I.C. | Education | 2023 |
| Restore Your Glow UK Ltd | Wholesale & retail | 2024 |
| Retail Agility Limited | Professional & scientific | 2006 |
| Retail Data Analytics Limited | Information & communication | 2010 |
| Retail Smart Limited | Information & communication | 2003 |
| Retire Ready Limited | Education | 2025 |
| Retroclassic Auto Parts Limited | Manufacturing | 2021 |
| Retroclassic Autobody Limited | Manufacturing | 2021 |
| Retroclassic Car Sales Limited | Wholesale & retail | 2021 |
| Retroclassic Car Transport Limited | Transport & logistics | 2021 |