| Refraction Technologies Limited | Administrative & support | 2022 |
| Regent Landscapes Limited | Construction | 2023 |
| Reid Quality Plastering Services Ltd | Construction | 2022 |
| Reid Waste Management Ltd | Other services | 2016 |
| Relf Consultants Limited | Professional & scientific | 2014 |
| Reliability Consultant Limited | Professional & scientific | 2023 |
| Remainuntamed.Com Ltd | Wholesale & retail | 2015 |
| Remarkable Care Ltd | Health & social care | 2022 |
| Remex Software Ltd | Information & communication | 2014 |
| Remote Diagnostic Technologies Limited | Manufacturing | 1997 |
| Rendale (Surrey) Limited | Construction | 1981 |
| Renoir Mews Management Limited | Households | 2016 |
| Renstr Ltd | Professional & scientific | 2017 |
| Renteller Asset Management Limited | Real estate | 2022 |
| Reptasia Ltd | Wholesale & retail | 2026 |
| Resourcing Global Solutions Limited | Administrative & support | 2012 |
| Respironics (UK) Ltd. | Extraterritorial | 1977 |
| Respironics Ltd | Extraterritorial | 1994 |
| Respironics Respiratory Drug Delivery (UK) Ltd | Extraterritorial | 2000 |
| Respironics UK Holding Company Limited | Extraterritorial | 2004 |
| Revenue Works Group Ltd | Professional & scientific | 2026 |
| Revivaball Ltd | Other services | 2026 |
| Revive Bowburn Limited | Real estate | 2022 |
| Revive Group Holdings Limited | Financial services | 2023 |
| Revive Property Limited | Real estate | 2015 |
| Revtycon Ltd | Wholesale & retail | 2025 |
| Revura Ltd | Wholesale & retail | 2025 |
| REX Renovations & Building Ltd | Construction | 2021 |
| RG Brickwork Ltd | Construction | 2019 |
| Rhazcam Ltd | Professional & scientific | 2014 |
| Rhubarb Recruitment Ltd | Administrative & support | 2003 |
| Rhythm of the Universe Ltd | Professional & scientific | 2001 |
| Ride Skincare Ltd | Professional & scientific | 2010 |
| Riis Property Group Ltd | Households | 2019 |
| Riley Motors Limited | Professional & scientific | 1981 |
| Ripple Investments LLP | | 2022 |
| Rira Designs Ltd | Wholesale & retail | 2025 |
| Riskflow Limited | Information & communication | 2019 |
| Rita D Properties Limited | Real estate | 2014 |
| Rivera Caring Limited | Health & social care | 2022 |
| Riverside Consultancy (SC) Ltd | Information & communication | 2021 |
| Riverside Escrow Limited | Financial services | 2005 |
| Rizing Star Ltd | Professional & scientific | 2013 |
| RJ Plumbing Services Ltd | Construction | 2026 |
| RJ33 Ltd | Construction | 2025 |
| RJL Joinery Ltd | Construction | 2014 |
| RKJ Health Ltd | Professional & scientific | 2022 |
| RLD Building Services Ltd | Construction | 2012 |
| RLT Consultancy Ltd | Professional & scientific | 2023 |
| RLW Styling Ltd | Professional & scientific | 2022 |
| RME Solutions Ltd | Professional & scientific | 2025 |
| Rmgm Engineering Limited | Information & communication | 2018 |
| RMJ Inns Ltd | Hospitality | 2024 |
| RNB Property Group Limited | Real estate | 2026 |
| RO Winsford Limited | Hospitality | 2023 |
| Roaming Music & Events Ltd | Arts & recreation | 2026 |
| Roberts Way Management Company Ltd | Households | 2022 |
| Robertson Restoration Ltd | Administrative & support | 2018 |
| Rocks Properties Ltd | Real estate | 2025 |
| Rogue Star Presentations Limited | Arts & recreation | 2015 |
| Rohaanlondon Ltd | Wholesale & retail | 2025 |
| Rojo Building & Home Improvements Limited | Construction | 2002 |
| Rolls-Royce Motor Cars Limited | Manufacturing | 1998 |
| Romton Ltd | Manufacturing | 2018 |
| Ronnoco Consulting Ltd | Professional & scientific | 2023 |
| Ronsah Ltd | Professional & scientific | 2022 |
| Rosary Lodge Management Company Limited | Households | 1997 |
| Rossmore Group Ltd | Professional & scientific | 2022 |
| Roundway Systems Limited | Information & communication | 2001 |
| Roxborough House Management Company Limited | Households | 2018 |
| Roxburgh Financial Planning Ltd | Financial services | 2023 |
| Royal Aircraft Establishment Aero Club Limited | Arts & recreation | 1950 |
| Royal Oak Winsford Limited | Hospitality | 2022 |
| RPC Training Limited | Education | 2017 |
| RPS Southern Limited | Construction | 2013 |
| Rtrans Ltd | Transport & logistics | 2022 |
| Rubi Consulting Limited | Administrative & support | 2023 |
| Rumjatar Gurung Property Ltd | Real estate | 2017 |
| Rumline Limited | Wholesale & retail | 1996 |
| Rumwe Holdings Ltd | Wholesale & retail | 2023 |
| Run the Change Limited | Professional & scientific | 2014 |
| Runfold Demolition & Salvage Ltd | Construction | 2008 |
| Runwick Properties Limited | Real estate | 1936 |
| Rupinder Dent Care Ltd | Health & social care | 2023 |
| Rush FM Limited | Information & communication | 2017 |
| Rushmoor Artistic Swimming Club Ltd | Arts & recreation | 2023 |
| Rushmoor Citizens Advice Bureaux | Information & communication | 2002 |
| Rushmoor Homes Limited | Real estate | 2020 |
| Rushmoor Knights American Football Club Limited | Arts & recreation | 2022 |
| Rushmoor Tech Repair Ltd | Other services | 2021 |
| Rushmoor Voluntary Services | Health & social care | 1996 |
| Rushmoor Yakthung Property Ltd | Real estate | 2019 |
| RWG Plumbing & Heating Ltd | Construction | 2025 |
| Rybuild Building Services Ltd | Construction | 2023 |
| Ryle QS Limited | Professional & scientific | 2005 |
| Rymac Plastic Products Limited | Manufacturing | 1980 |
| RZI Group Ltd | Hospitality | 2025 |
| S & B Landscapes Specialist Ltd | Administrative & support | 2020 |
| S & F Property Limited | Real estate | 2013 |
| S & P RAJ Ltd | Real estate | 2023 |