| Revoco Limited | Administrative & support | 2017 |
| Revolution Repairs Limited | Wholesale & retail | 2016 |
| Revolution Travel Limited | Administrative & support | 2010 |
| Revolutionworks Ltd | Manufacturing | 2016 |
| Revonix Ltd | Wholesale & retail | 2025 |
| Revs Driving School Ltd | Extraterritorial | 2025 |
| Revue Software Ltd | Information & communication | 2026 |
| Revup Marketplace Solutions Limited | Information & communication | 2025 |
| Revvlit Ltd | Information & communication | 2026 |
| Rewardpro Ltd | Information & communication | 2024 |
| Rewild Coffee Ltd | Manufacturing | 2025 |
| Rewild.Life Limited | Information & communication | 2016 |
| Rewire HE Ltd | Professional & scientific | 2024 |
| Rework Office Solutions Ltd | Information & communication | 2025 |
| Rewrite Digital Ltd | Information & communication | 2018 |
| REX Installations Ltd | Construction | 2016 |
| Rexar Limited | Professional & scientific | 2025 |
| Rexnest Engineering Services Ltd | Professional & scientific | 2024 |
| Rexon Day Limited | Professional & scientific | 1986 |
| REY360 Technologies Ltd | Information & communication | 2025 |
| Reya Sweet Scaffolding Ltd | Construction | 2025 |
| Reyllit UK Limited | Transport & logistics | 2007 |
| Reynolds Brothers Films Ltd | Information & communication | 2025 |
| Reynot LP | | 2011 |
| REZ A38 Valeting Ltd | Other services | 2023 |
| REZ Building & Maintenance Limited | Construction | 2021 |
| REZ Holdings Limited | Extraterritorial | 2021 |
| REZ Property Lettings Limited | Real estate | 2021 |
| Rezarf Limited | Administrative & support | 2006 |
| Rezonant Body Ltd. | Wholesale & retail | 2023 |
| Reztips Consultancy Limited | Financial services | 2011 |
| RF IT Services Ltd | Information & communication | 2021 |
| Rfha Ltd | Wholesale & retail | 2025 |
| RFT Technical Limited | Administrative & support | 2017 |
| RFT Trans Ltd | Transport & logistics | 2026 |
| RG Broadcast Limited | Information & communication | 2013 |
| RG Electrical Bristol Limited | Construction | 2016 |
| RG Freight Limited | Transport & logistics | 2025 |
| RG Harraway Limited | Transport & logistics | 2021 |
| RG I.T. Solutions Limited | Information & communication | 2008 |
| RG Installation Services Limited | Construction | 2017 |
| RG Printing Company Limited | Manufacturing | 1999 |
| RG Property Finance Ltd | Financial services | 2025 |
| RG Property South West Limited | Real estate | 2021 |
| RG Vehicle Movements Ltd | Other services | 2010 |
| RGB Boutique Limited | Wholesale & retail | 2024 |
| Rgbeloved Ltd | Extraterritorial | 2021 |
| RGC Associates Limited | Transport & logistics | 2016 |
| Rgcc-Europe N & W Limited | Health & social care | 2009 |
| Rgcg Investments Limited | Real estate | 2023 |
| Rgdk Holdings Limited | Financial services | 2024 |
| Rgdk Property Limited | Extraterritorial | 2024 |
| RGE Haulage Limited | Transport & logistics | 2023 |
| RGH Accountancy Limited | Professional & scientific | 2011 |
| RGLON4 Ltd | Real estate | 2023 |
| Rgmp Limited | Real estate | 2009 |
| Rgpf Investments Limited | Real estate | 2017 |
| RGR Engineering Limited | Wholesale & retail | 2024 |
| RGS Creative Ltd | Information & communication | 2025 |
| RGS Vehicle Services Ltd | Wholesale & retail | 2020 |
| RGY UK Ltd | Wholesale & retail | 2016 |
| RH Commissioning (Services) Limited | Construction | 2014 |
| RH Consult Ltd | Information & communication | 2014 |
| RH Electrical (Bristol) Ltd | Construction | 2026 |
| RH Inspections Ltd | Professional & scientific | 2022 |
| RH Media Solutions Ltd | Professional & scientific | 2023 |
| RH Pallets Services Ltd | Wholesale & retail | 2020 |
| RH Procurement Services Ltd | Professional & scientific | 2017 |
| RHC Consulting Limited | Information & communication | 2022 |
| RHC Lifting Limited | Manufacturing | 2001 |
| Rheinmetall Defence UK Limited | Professional & scientific | 2009 |
| Rheinmetall MAN Military Vehicles UK Ltd | Wholesale & retail | 2014 |
| Rheinmetall Real Estate Bristol Limited | Real estate | 2023 |
| Rheinmetall Real Estate Telford Limited | Real estate | 2025 |
| Rheinmetall Weapon Munitions UK Limited | Manufacturing | 2025 |
| Rhemata AI Limited | Information & communication | 2026 |
| Rhfx Limited | Professional & scientific | 2016 |
| Rhian Loughlin Coaching and Consulting Limited | Professional & scientific | 2023 |
| Rhinamite Ltd | Health & social care | 2013 |
| Rhinefield (Bristol) Limited | Households | 1975 |
| Rhino Properties Bristol Ltd | Hospitality | 2017 |
| Rhino Resurfacing Ltd | Construction | 2026 |
| Rhino Strength Training Gym Ltd | Other services | 2023 |
| Rhizofeed Ltd | Manufacturing | 2025 |
| RHM Management Limited | Real estate | 2024 |
| RHM Planning & Design Limited | Professional & scientific | 2019 |
| RHO C Technology Limited | Professional & scientific | 2025 |
| Rhoame Ltd | Real estate | 2017 |
| Rhobotify Ltd | Administrative & support | 2014 |
| Rhodes & Rhodes Limited | Information & communication | 2023 |
| Rhodes Training and Development Ltd | Administrative & support | 2003 |
| Rhodyate Consulting Limited | Professional & scientific | 2007 |
| RHS Motorcycles Ltd | Wholesale & retail | 2020 |
| RHS National Limited | Administrative & support | 2024 |
| Rhubarb Jumble Ltd | Wholesale & retail | 2021 |
| Rhumbaba Ltd | Professional & scientific | 2010 |
| Rhyan Jenkins Ltd | Wholesale & retail | 2022 |
| Rhybran Scaffolding Ltd | Construction | 2017 |
| Rhyfelwr Ltd | Transport & logistics | 2022 |
| Rhynotekt Ltd | Administrative & support | 2017 |