| Reloved Planet Ltd | Wholesale & retail | 2026 |
| REM Engineering Design Ltd | Professional & scientific | 2019 |
| Remanc Limited | Manufacturing | 2005 |
| Remapping Limited | Wholesale & retail | 2011 |
| Remars MEP Engineering Ltd | Professional & scientific | 2021 |
| Remedial Care Services Limited | Health & social care | 2022 |
| Remi Care Limited | Health & social care | 2012 |
| Remkag Ltd | Construction | 2025 |
| Remo Worldwide Ltd | Manufacturing | 2015 |
| Remote Network Solutions Limited | Professional & scientific | 2016 |
| Remseh Limited | Information & communication | 2016 |
| Remstone Construction Ltd | Professional & scientific | 2000 |
| Renaissance ST Helens Limited | Other services | 2016 |
| Renard Exec Limited | Information & communication | 2011 |
| Render Master North Western Ltd | Construction | 2018 |
| RENEN20 Group Ltd | Energy | 2020 |
| Renevis Limited | Construction | 2022 |
| Renewables Electech Limited | Construction | 2014 |
| Renewables North West 2 Ltd | Energy | 2022 |
| Renewables North West Ltd | Energy | 2022 |
| Renewed Care Limited | Health & social care | 2023 |
| Renovate Houses Limited | Real estate | 2024 |
| Renovation SOS Ltd | Construction | 2015 |
| Renovation Station Warrington Ltd | Wholesale & retail | 2020 |
| Renown Building & Maintenance Ltd | Construction | 2017 |
| Rent a Lift Limited | Administrative & support | 2004 |
| Rent About Ltd | Administrative & support | 2023 |
| Rent AV Ltd | Administrative & support | 2026 |
| Rental 22 Limited | Real estate | 2020 |
| Rental Intelligence Group Ltd | Extraterritorial | 2026 |
| Rental Services Limited | Real estate | 2002 |
| Rentaroom Warrington Ltd | Hospitality | 2023 |
| Rentmi Ltd | Information & communication | 2024 |
| Rentworks Ltd | Households | 2025 |
| Repcom Ltd | Construction | 2024 |
| Replacement Roof Solutions Limited | Construction | 2018 |
| Request Computing Limited | Information & communication | 2010 |
| Require DEV Limited | Information & communication | 2019 |
| RES Engg Resources Limited | Mining & quarrying | 2021 |
| Resch Acquisition Limited | Households | 2025 |
| Reseller Hub Ltd | Information & communication | 2025 |
| Resellify Ltd | Wholesale & retail | 2025 |
| Reserve IT Ltd | Information & communication | 2021 |
| Reservoir Therapy Ltd | Health & social care | 2025 |
| Residential Peeps Limited | Public administration | 2025 |
| Residents Paddock Gardens Limited | Real estate | 2022 |
| Resin Foundation Repair Ltd | Construction | 2024 |
| Resin Glass Products Limited | Manufacturing | 1963 |
| Resolve Actuarial Limited | Professional & scientific | 2021 |
| Resolve Consulting Ltd | Information & communication | 2023 |
| Resolve Joinery Solutions Limited | Construction | 2020 |
| Respective Financial Services Limited | Financial services | 2023 |
| Responsible Breeding Ltd | Information & communication | 2021 |
| Responsive Craft Limited | Information & communication | 2012 |
| Rest Consultancy Limited | Administrative & support | 2023 |
| Rest in Peace Grave Services Ltd | Administrative & support | 2024 |
| Restash Limited | Financial services | 2004 |
| Restaurant Takeaway Ltd | Hospitality | 2015 |
| Restok Ltd | Wholesale & retail | 2023 |
| Restons Holdings Limited | Professional & scientific | 2025 |
| Restora Lymphatics Ltd | Health & social care | 2026 |
| Restore Care Services Ltd | Administrative & support | 2016 |
| Resulting Limited | Information & communication | 2004 |
| Resultz Limited | Education | 2012 |
| Resumn Limited | Professional & scientific | 2013 |
| Resx Limited | Administrative & support | 1996 |
| Retail Associates (Holdings) Limited | Financial services | 2024 |
| Retail Property Projects Limited | | 1989 |
| Retail Strategy Ltd | Professional & scientific | 2023 |
| Retaining Wall Solutions Ltd | Construction | 2020 |
| Rethink Creative & Digital Marketing Ltd | Administrative & support | 2013 |
| Retouch UK Limited | Administrative & support | 2007 |
| Retreat Yourself Limited | Administrative & support | 2021 |
| Retrofit People Ltd | Construction | 2024 |
| Retrofit Right Ltd | Other services | 2023 |
| Retrofit Services Limited | Construction | 2000 |
| Retrophenia Limited | Wholesale & retail | 2005 |
| Reunion Kart Noodles Company Limited | Hospitality | 2024 |
| Revamp Developments Ltd | Real estate | 2023 |
| Revelation Management Consultants Limited | Professional & scientific | 1997 |
| Revelstone Financial Planning Limited | Financial services | 2002 |
| Revise Tech Ltd | Professional & scientific | 2026 |
| Revive Auto Innovations (Chester) Limited | Professional & scientific | 2007 |
| Revive Auto Innovations (Liverpool) Limited | Wholesale & retail | 2008 |
| Revive Build Ltd | Construction | 2025 |
| Revived Properties Ltd | Real estate | 2025 |
| Revivocell Limited | Professional & scientific | 2015 |
| Revivocell Solutions Ltd | Professional & scientific | 2020 |
| Revoco Corporation Europe Limited | Other services | 2020 |
| Revolax Ltd | Wholesale & retail | 2018 |
| Revolution Industrial Projects Limited | Construction | 2022 |
| Revolution Projects Ltd | Other services | 2012 |
| Revolution Scooters Warrington Limited | Wholesale & retail | 2014 |
| Rewire Wellness and Fitness Limited | Arts & recreation | 2026 |
| Reykai Ltd | Administrative & support | 2025 |
| Reynholm Industries Limited | Information & communication | 2010 |
| Rezsoulution Limited | Professional & scientific | 2007 |
| RF Automotive Engineering Ltd | Administrative & support | 2026 |
| RF Electrical Engineering Ltd | Administrative & support | 2020 |
| RF Parker Limited | Public administration | 2019 |