| Regeneration Northern Ltd | Construction | 2023 |
| Rehoboth Caring Ltd | Health & social care | 2025 |
| Reka Group Limited | Real estate | 2024 |
| Rekha Investments Ltd | Real estate | 2024 |
| Reliable Letting Ltd | Real estate | 2007 |
| Reliance Car Hub Limited | Wholesale & retail | 2023 |
| REM Wholesale Ltd | Wholesale & retail | 2024 |
| Rentalis Ltd | Real estate | 2022 |
| Rescue Kitties | Agriculture & fishing | 2019 |
| Resham Clothing (Online) Ltd | Wholesale & retail | 2025 |
| Resham Clothing Ltd | Wholesale & retail | 2018 |
| Resin Ripple Co Ltd | Manufacturing | 2025 |
| Results and News Limited | Information & communication | 2015 |
| Retro Railtours Ltd | Administrative & support | 2008 |
| Reuben & Co Investments Ltd | Financial services | 2021 |
| Reubens Retreat Ltd | Health & social care | 2012 |
| Reuse Limited | Professional & scientific | 1994 |
| Revitalizeliving Ltd | Arts & recreation | 2023 |
| Reviva Health Ltd | Health & social care | 2024 |
| Revo Productions Ltd | Wholesale & retail | 2025 |
| Revolution Bars Group Limited | Hospitality | 2023 |
| Reward Edge Limited | Professional & scientific | 2025 |
| Rezitt Revolutionary Resin Designs Ltd | Construction | 2018 |
| RFT Properties Limited | Real estate | 2017 |
| Rgak Ltd | Construction | 2025 |
| RH Residential Property Ltd | Real estate | 2021 |
| Rho-Be Resourcery Limited | Administrative & support | 2018 |
| Rhodes Holding Company Limited | Financial services | 2020 |
| Rhys Meet Limited | Wholesale & retail | 2026 |
| Richard Brennan IT Engineering Ltd | Information & communication | 2016 |
| Rifatuz Ltd | Hospitality | 2021 |
| Riffl Limited | Professional & scientific | 2021 |
| Rigby Holdings Worldwide Ltd | Financial services | 2026 |
| Right Home 4U Limited | Real estate | 2025 |
| Ring Pillay Ltd | Health & social care | 2021 |
| Rising Faith Ltd | Wholesale & retail | 2025 |
| Riverbend Ltd | Wholesale & retail | 2025 |
| Rivergate Developments Ltd | Construction | 2006 |
| Rizwan Mart Ltd | Wholesale & retail | 2026 |
| RJA Repairs Ltd | Wholesale & retail | 2024 |
| RJA Transport Ltd | Transport & logistics | 2024 |
| RK Executive Chauffeurs Ltd | Transport & logistics | 2026 |
| RKB Constech & Connect Ltd | Construction | 2025 |
| RMA Accountants Ltd | Professional & scientific | 2016 |
| RMS Audio Services Ltd | Administrative & support | 2013 |
| Roadlink Motors Ltd | Wholesale & retail | 2017 |
| Roadready Auto Repair Limited | Wholesale & retail | 2025 |
| Roadrider School of Motorcycling Limited | Education | 2007 |
| Roast PR Ltd | Professional & scientific | 2021 |
| ROB 111S Ltd | Real estate | 2020 |
| ROB Coles Ecology Ltd | Professional & scientific | 2021 |
| Robert John Parry Limited | Construction | 2015 |
| Robert C Johnson Ltd | Arts & recreation | 2025 |
| Roche Financial Holdings Ltd | Financial services | 2023 |
| Rodesign Ltd | Information & communication | 2015 |
| Ronet Cyber Security Ltd | Information & communication | 2021 |
| Roosters Ranch Ashton Ltd | Hospitality | 2024 |
| Rosa’S Beauty Lounge Ltd | Other services | 2019 |
| Rose Hill Approach Ltd | Construction | 2011 |
| Roses Medical Ltd | Professional & scientific | 2007 |
| Ross Commercial Services Ltd | Construction | 2025 |
| Rothwell & Co (1948) Limited | Households | 2020 |
| Route 1 Logistics Limited | Transport & logistics | 2018 |
| Rovan Ltd | Wholesale & retail | 2025 |
| Royale Properties NW Ltd | Real estate | 2024 |
| Royle Interiors NW Ltd | Professional & scientific | 2021 |
| RP Beauty Limited | Other services | 2017 |
| RR Restaurant Limited | Hospitality | 2012 |
| RS Cooling Services Limited | Construction | 2018 |
| RSK74 Ltd | Wholesale & retail | 2025 |
| RSM Acceptances Limited | Administrative & support | 1983 |
| RSM Bookkeeping Services Ltd | Professional & scientific | 2019 |
| RTF Holdings Limited | Real estate | 2025 |
| RU Store Ltd | Wholesale & retail | 2023 |
| Ruby Rosslyn UK Ltd | Wholesale & retail | 2021 |
| Ruka North West Ltd | Health & social care | 2022 |
| Rukundo’S Housing Ltd | Other services | 2026 |
| Rupert Wood and SON Limited | Professional & scientific | 2022 |
| Rushmere Advisory Limited | Financial services | 2026 |
| Rutland 1959 Limited | Extraterritorial | 2013 |
| RW Window Clean Ltd | Other services | 2025 |
| Rwaf Trading Ltd | Wholesale & retail | 2018 |
| Ryan Dickinson Construction Consulting Limited | Construction | 2019 |
| Rysy European Ltd | Wholesale & retail | 2020 |
| RZ Buildings Ltd | Real estate | 2022 |
| RZ Management MCR Ltd | Real estate | 2022 |
| S & J GEE Accountants Limited | Professional & scientific | 2015 |
| S a Hirst Ltd | Hospitality | 2024 |
| S a Shockledge Plastering & Rendering Ltd | Construction | 2026 |
| S P Knight Limited | Real estate | 2016 |
| S W B Commercials Ltd | Wholesale & retail | 2011 |
| S-Shop Ltd | Wholesale & retail | 2026 |
| S. a. Mobile Repair Limited | Manufacturing | 2017 |
| S.A Studios Ltd | Professional & scientific | 2020 |
| S.B.T. Engineering Services Limited | Wholesale & retail | 1990 |
| S.Ford Design Ltd | Information & communication | 2019 |
| S.M. Bown Group Limited | Professional & scientific | 2008 |
| S.M. Motors Garage Limited | Wholesale & retail | 2020 |
| S.Taylor Kitchens Ltd | Professional & scientific | 2022 |
| S1 Event Solutions Ltd | Professional & scientific | 2024 |