| Reflex Property UK Limited | Construction | 2004 |
| Refritrade Ltd | Wholesale & retail | 2018 |
| Refscorer Limited | Manufacturing | 2018 |
| Refyne Studio Ltd | Education | 2025 |
| Regal Key Solutions Ltd | Real estate | 2025 |
| Regen-X Limited | Health & social care | 2017 |
| Regency Gardens Owners Association Ltd | Households | 2023 |
| Regent Level Limited | Real estate | 2018 |
| Rehab Tobaktos Limited | Wholesale & retail | 2022 |
| Rehal Properties Limited | Real estate | 2019 |
| Rehan and Adam Ltd | Wholesale & retail | 2026 |
| Reita Limited | Real estate | 2021 |
| Rejoice With Voice CIC | Information & communication | 2025 |
| Relativity Development Research Ltd | Professional & scientific | 2025 |
| Reliance Translations Ltd | Professional & scientific | 2024 |
| Rencorp Ltd | Information & communication | 2025 |
| Renesy Ltd | Professional & scientific | 2004 |
| Renewable Heat Generation Limited | Construction | 2012 |
| Renewable Heat Infrastructure Limited | Financial services | 2020 |
| Renewable Planet Ltd | Professional & scientific | 2012 |
| Renovo Remodelling Ltd | Real estate | 2024 |
| Renown Roofing Limited | Construction | 2026 |
| Rent IT NOW NW Ltd | Real estate | 2020 |
| Rentevent Limited | Administrative & support | 2010 |
| Repromed Solutions Ltd | Health & social care | 2024 |
| Research and Development Tax Credit Claims Limited | Professional & scientific | 2020 |
| Research Today Limited | Administrative & support | 2015 |
| Resilience Residential Services Ltd | Hospitality | 2020 |
| Resold Limited | Wholesale & retail | 2025 |
| Resolute Operations Limited | Administrative & support | 2026 |
| Resolutis Limited | Information & communication | 2023 |
| Resolve Property Management Ltd | Real estate | 2018 |
| Resort Transport Ltd | Administrative & support | 2011 |
| Resourcia Ltd | Administrative & support | 2023 |
| Retirement Solutions Later Life Ltd | Financial services | 2025 |
| Returnflow Ltd | Water & waste | 2020 |
| Reubear Properties Limited | Real estate | 2022 |
| Revive Developments Limited | Construction | 2016 |
| Rfas Properties Ltd | Construction | 2024 |
| RFJ Coatings Ltd | Other services | 2026 |
| RGV Retail Limited | Wholesale & retail | 2015 |
| Rhino Appliance Repairs Ltd | Other services | 2025 |
| Rialto Conveyancing Limited | Professional & scientific | 2025 |
| Rialto Limited | Real estate | 2024 |
| Richard Schultz Limited | Wholesale & retail | 2013 |
| Richie Owens Consultancy Ltd | Other services | 2025 |
| Richmond Court (Cheadle) Limited | Households | 1974 |
| Ridge Environmental Limited | Professional & scientific | 2016 |
| Right Choice Enterprise Limited | Real estate | 2006 |
| Ringley Chase Management Company Limited | Households | 1991 |
| Ringrow Property Investments Limited | Real estate | 2024 |
| Ringway Consulting Limited | Professional & scientific | 2017 |
| Ringway Ride Ltd | Administrative & support | 2017 |
| RIP Couture Limited | Wholesale & retail | 2024 |
| Risa Investments Limited | Real estate | 2016 |
| Risalah Ltd. | Education | 2024 |
| Rise Associates North East Ltd | Professional & scientific | 2026 |
| Rise Associates North Ltd | Professional & scientific | 2024 |
| Rise Off-Grid Modular Solutions Limited | Professional & scientific | 2020 |
| Risewave Media Ltd | Information & communication | 2023 |
| Risk Based Decisions Ltd | Professional & scientific | 2013 |
| Rizvi and Co Accountants Ltd | Professional & scientific | 2018 |
| Rizvi Properties Ltd | Real estate | 2025 |
| RJ Assist Ltd | Information & communication | 2019 |
| RJC Financial Consulting Ltd | Professional & scientific | 2007 |
| RK Realty Group Ltd | Real estate | 2025 |
| Rkbisla Ltd | Wholesale & retail | 2024 |
| RKT Holdings Ltd | Financial services | 2025 |
| RLM Verus Limited | Real estate | 2023 |
| RM & MH Holdings Limited | Professional & scientific | 2022 |
| RM Chiropractic Ltd | Health & social care | 2021 |
| RM Pet Group Ltd | Wholesale & retail | 2026 |
| RM Sporting Limited | Arts & recreation | 2021 |
| RM Team Limited | Construction | 2012 |
| RMG Property Limited | Real estate | 2022 |
| RMI Accountancy (Manchester) Ltd | Professional & scientific | 2015 |
| RML Developments MCR Ltd | Real estate | 2021 |
| RMS Financial Services Limited | Financial services | 2017 |
| RNR Management Services Ltd | Professional & scientific | 2022 |
| Road 3 Limited | Professional & scientific | 2018 |
| ROAD3 Concierge Limited | Professional & scientific | 2020 |
| Robert Ginder-Poulsen Ltd | Construction | 2017 |
| Robinsons Nurseries Limited | Agriculture & fishing | 2007 |
| Robinville Resurfacing Ltd | Construction | 2026 |
| Robsno Holdings Limited | Real estate | 2025 |
| Rock 'N Real Estate Limited | Administrative & support | 2013 |
| Rock Risk Management Ltd | Professional & scientific | 2022 |
| Rockstar Tees Limited | Wholesale & retail | 2024 |
| Rogue Art LLP | | 2013 |
| Rojava Store Ltd | Wholesale & retail | 2025 |
| Rola Render Systems Ltd | Construction | 2013 |
| Romorii Holdings Limited | Professional & scientific | 2025 |
| Romorii Limited | Wholesale & retail | 2025 |
| Rooprai Car Care Ltd | Wholesale & retail | 2025 |
| Roozi Global Trade UK Ltd | Wholesale & retail | 2025 |
| Rope Access International Ltd | Professional & scientific | 2020 |
| ROS Restaurant Co Ltd | Hospitality | 2023 |
| Rose Projects Limited | Construction | 2024 |
| Rosecroft Management Company Limited | Households | 1999 |
| Rosehill Commercial Furnishings Limited | Manufacturing | 2020 |