| RHG Hospitality Ltd | Hospitality | 2025 |
| Rhino Catering Equipment Services Ltd | Manufacturing | 2025 |
| Rhino Products Holdings Limited | Professional & scientific | 2015 |
| Rhino Products Limited | Manufacturing | 2003 |
| Riazson Ltd | Wholesale & retail | 2025 |
| Ribble Link Construction and Operation Limited | Construction | 1998 |
| Richard Hajjawi Clinic Limited | Health & social care | 2021 |
| Richard Hajjawi Investments Ltd | Financial services | 2025 |
| RICHIESLENS3D Ltd | Professional & scientific | 2025 |
| Riddance UK Ltd | Administrative & support | 2021 |
| Ride Leasing Ltd | Administrative & support | 2015 |
| Rideas Limited | Professional & scientific | 2000 |
| Ridgway Dental Limited | Health & social care | 2007 |
| Rikki Finlay Limited | Information & communication | 2010 |
| Riley Peter Properties Limited | Real estate | 2021 |
| Rinaroses Limited | Health & social care | 2011 |
| Rise Activities Limited | Other services | 2021 |
| Rise Life Limited | Other services | 2021 |
| Rise Real Estate Group Limited | Real estate | 2022 |
| Rivertown Management Consultants Limited | Transport & logistics | 2012 |
| RK Smilezz Ltd | Health & social care | 2025 |
| RKA Trading Ltd | Wholesale & retail | 2025 |
| RL Implant Solutions Ltd | Health & social care | 2025 |
| RMA Developments Ltd | Construction | 2023 |
| RMA1 Rdst Ltd | Real estate | 2018 |
| Rnsj Ltd | Real estate | 2024 |
| Roberts Property Holdings Limited | Real estate | 2017 |
| Roberts-Sheils Developments Ltd | Real estate | 2024 |
| Roberts-Sheils Group Co Ltd | Construction | 2025 |
| Robolox Ltd | Wholesale & retail | 2025 |
| Robynlaura Ltd | Health & social care | 2026 |
| Rockhopper House Ltd | Health & social care | 2024 |
| Rockingham House Cosmetic & Implant Dentistry Limited | Professional & scientific | 2013 |
| ROD and NIA Affiliate Marketing Ltd | Wholesale & retail | 2026 |
| Rogers & Jones Accommodation Limited | Real estate | 2024 |
| ROK Investments Ltd | Financial services | 2022 |
| Rokasa Ltd | Wholesale & retail | 2025 |
| Roki Healthcare Limited | Health & social care | 2010 |
| Rokjet Ltd | Administrative & support | 2022 |
| Rokpave Limited | Transport & logistics | 2020 |
| Roll UP Roll UP Ltd | Other services | 2006 |
| Rolling Station Ltd | Wholesale & retail | 2023 |
| Ronichiasa Ltd | Health & social care | 2024 |
| Room at 87 Limited | Hospitality | 2016 |
| Rosa Ltd | Administrative & support | 2019 |
| Roscoe Accountants Ltd | Professional & scientific | 2022 |
| Rose Lane Dental Practice Holdings Limited | Financial services | 2023 |
| Rose Lane Dental Practice Limited | Health & social care | 2023 |
| Rossmount Recycling Limited | Professional & scientific | 2010 |
| Rostance's Ltd | Information & communication | 2012 |
| Rotech Systems and Encoders Ltd | Manufacturing | 2023 |
| Roundhay Aesthetics Limited | Other services | 2023 |
| ROW a Limited | Professional & scientific | 2015 |
| Rown Limited | Professional & scientific | 2019 |
| Royston Cooke Associates Ltd | Professional & scientific | 2012 |
| RPA Trading Ltd | Wholesale & retail | 2024 |
| RPM Healthfitness Ltd | Arts & recreation | 2004 |
| Rptj Limited | Real estate | 2023 |
| Rss-Recycling & Screening Supplies Ltd | Mining & quarrying | 2023 |
| RSW Dental Ltd | Health & social care | 2023 |
| RT Orthodontics Limited | Health & social care | 2021 |
| RTJ Engineering Ltd | Professional & scientific | 2012 |
| Rubyair Limited | Administrative & support | 2019 |
| Rudys Capital Ltd | Real estate | 2025 |
| Rugbytots Merseyside & Chester Limited Liability Partnership | | 2018 |
| Ruin'D Ltd | Wholesale & retail | 2023 |
| Rumbry Estates Limited | Extraterritorial | 2012 |
| Running Ducks Retreat Limited | Hospitality | 2021 |
| Rustic Furnitures Ltd | Manufacturing | 2018 |
| Rustic Hire Cheshire Ltd | Arts & recreation | 2018 |
| RWP Consultancy Ltd | Other services | 2013 |
| Ryan & MAY Ltd | Professional & scientific | 2019 |
| S & a Global Distribution Limited | Wholesale & retail | 2025 |
| S and S Fire Safe Limited | Public administration | 2024 |
| S and S Spraying Limited | Construction | 2017 |
| S B S Cheshire Ltd. | Construction | 2003 |
| S Clarke Limited | Health & social care | 2024 |
| S Edwards Building & Joinery Limited | Construction | 2011 |
| S Hughes Transmissions Ltd | Wholesale & retail | 2011 |
| S J D GAS Services Limited | Manufacturing | 2011 |
| S J Nathans Limited | Wholesale & retail | 2013 |
| S R Wood Ltd | Manufacturing | 2021 |
| S Sangar Dental Ltd | Health & social care | 2024 |
| S T E 07 Electrical Ltd | Construction | 2018 |
| S-Net.Co.Uk Limited | Information & communication | 2003 |
| S.P. Incorporated Limited | Health & social care | 2024 |
| S7 Group Barber Ltd | Other services | 2025 |
| SA Adel Limited | Health & social care | 2022 |
| SA Ellesmere Port Ltd | Hospitality | 2023 |
| SAB CAB Ltd | Transport & logistics | 2025 |
| Sabina Urban Homes Ltd | Real estate | 2025 |
| Sach Jassal Locum Limited | Wholesale & retail | 2022 |
| SAFETY4BUSINESS Limited | Information & communication | 2004 |
| Sahajanand Holdings Ltd | Financial services | 2025 |
| Saif Medical Services Ltd | Health & social care | 2026 |
| Saiga Property Ltd | Real estate | 2016 |
| Sailaway Holiday LET LLP | | 2023 |
| Saint Lace Limited | Wholesale & retail | 2026 |
| Sales & Marketing Accelerator Limited | Professional & scientific | 2025 |
| Salisbury Orthodontics Limited | Health & social care | 2014 |