| Rate Accounting Ltd | Professional & scientific | 2024 |
| Rathi Construction Ltd | Construction | 2024 |
| Ratia Ltd | Wholesale & retail | 2018 |
| Rattamanee Thai Spa Ltd | Other services | 2023 |
| Rattan Solutions Ltd | Construction | 2024 |
| Raul Co Ltd | Financial services | 2024 |
| Raul Procurement Limited | Wholesale & retail | 2010 |
| Rauli Ltd | Transport & logistics | 2018 |
| Raull Transport Ltd | Transport & logistics | 2016 |
| RAV Bodyworks Ltd | Wholesale & retail | 2020 |
| RAV Europe Limited | Wholesale & retail | 2022 |
| RAV Holdings Ltd | Financial services | 2022 |
| RAV Productions Limited | Professional & scientific | 2004 |
| Ravazon Ltd | Wholesale & retail | 2025 |
| Ravel Properties Limited | Real estate | 1959 |
| Ravelore Ltd | Wholesale & retail | 2025 |
| Raven Marketing Limited | Wholesale & retail | 2025 |
| Raven Re-Aim Co-Invest Ltd | Real estate | 2019 |
| Ravence Couture Limited | Manufacturing | 2025 |
| Ravenscroft Residential Ltd | Real estate | 2026 |
| Ravenspring Business Consulting Limited | Professional & scientific | 2024 |
| Ravi 1999 Fashion Ltd | Manufacturing | 2013 |
| Ravi Fashions Limited | Wholesale & retail | 2019 |
| Ravi Foods Ltd | Wholesale & retail | 2015 |
| Ravi Seth Ltd | Wholesale & retail | 2019 |
| Ravi Seth Surveyors Ltd | Professional & scientific | 2025 |
| RAVKA369 Ltd | Hospitality | 2017 |
| Ravrush Limited | Real estate | 2018 |
| Ravs Consultants Limited | Professional & scientific | 2025 |
| RAW & Natural Limited | Manufacturing | 2016 |
| RAW Edge Ltd | Professional & scientific | 2019 |
| RAW Equity Ltd | Financial services | 2020 |
| RAW Roof Washing Ltd | Construction | 2025 |
| RAW Stadia Limited | Professional & scientific | 2018 |
| Raw-Menu Ltd | Manufacturing | 2018 |
| Rawa Transport Ltd | Transport & logistics | 2025 |
| Rawafid International Trade Ltd | Wholesale & retail | 2026 |
| Rawal Consultancy Ltd | Professional & scientific | 2019 |
| Rawlings Voight Limited | Transport & logistics | 2001 |
| Rayaan Collections Ltd | Wholesale & retail | 2023 |
| Rayaan Ltd | Administrative & support | 2016 |
| Rayalay Holdings Limited | Financial services | 2023 |
| Rayalay Ltd | Wholesale & retail | 2022 |
| Rayan Pharmaceuticals Ltd | Wholesale & retail | 2021 |
| RAYAN77 Limited | Wholesale & retail | 2014 |
| Raycer Ltd | Administrative & support | 2024 |
| Raye Real Estate Limited | Real estate | 2026 |
| Rayfields Accountancy Limited | Professional & scientific | 2015 |
| Raykdi Ltd | Hospitality | 2024 |
| Raylec Ltd | Administrative & support | 2008 |
| Rayman Hseq Compliance and Training Ltd | Public administration | 2022 |
| Raymas London Ltd | Wholesale & retail | 2023 |
| Raymus Ltd | Wholesale & retail | 2020 |
| Rayner Medical Services Limited | Health & social care | 2003 |
| Rayner Mortgages Ltd | Financial services | 2023 |
| Rayns Commercial Limited | Financial services | 2023 |
| Rayns Developments Limited | Real estate | 2020 |
| Rayns Group Limited | Financial services | 2023 |
| Rayns Residential Limited | Financial services | 2019 |
| Raynsworth Motor Group Ltd | Wholesale & retail | 2025 |
| Rayo Investment Ltd | Administrative & support | 2019 |
| Rayo Lighting Limited | Wholesale & retail | 2011 |
| Rayosoft UK Ltd | Information & communication | 2026 |
| Rays Construction Group Limited | Construction | 2025 |
| Rays Electrical Supplies Limited | Wholesale & retail | 2018 |
| Rays Investments Ltd | Real estate | 2021 |
| Rayson Property Limited | Hospitality | 2017 |
| Raytics Ltd | Wholesale & retail | 2025 |
| Rayyan Investments (Leic) Ltd | Real estate | 2024 |
| Rayyanamz Ltd | Wholesale & retail | 2026 |
| Rayz Enterprise Limited | Wholesale & retail | 2024 |
| RAZ Tech Mobile Workshop Ltd | Wholesale & retail | 2025 |
| Raza Clothing Ltd | Manufacturing | 2022 |
| Raza Global Limited | Wholesale & retail | 2025 |
| Razawi Fashion Ltd | Manufacturing | 2019 |
| Razorrays Limited | Health & social care | 2019 |
| Razors Barber Shop Limited | Other services | 2012 |
| Razz Entertainment Limited | Information & communication | 2022 |
| Ra`Alloy Ramps Limited | Manufacturing | 2009 |
| RB 2016 Limited | Financial services | 2016 |
| RB Catering Leicester Limited | Hospitality | 2020 |
| RB Eyecare Ltd | Health & social care | 2026 |
| RB Holdings Inc Ltd | Real estate | 2025 |
| RB Medical Services Ltd | Health & social care | 2016 |
| RBC Developments Limited | Construction | 2003 |
| Rbh(Uk) Ltd | Wholesale & retail | 2014 |
| RBI BC Services Ltd | Professional & scientific | 2025 |
| RBK Health Limited | Health & social care | 2024 |
| RBK Investments Limited | Professional & scientific | 2014 |
| Rbkb Properties Limited | Real estate | 2019 |
| Rbkl Estates Limited | Real estate | 2016 |
| RBN Trading Ltd | Construction | 2025 |
| Rbnr Associates Limited | Wholesale & retail | 2012 |
| RBR Roofing Ltd | Construction | 2021 |
| RBR Transport Ltd | Transport & logistics | 2025 |
| RBS Surgicals Limited | Health & social care | 2014 |
| Rbsb Holdings Limited | Real estate | 2019 |
| Rbuzhev Ltd | Transport & logistics | 2025 |
| RC Analytics Limited | Information & communication | 2026 |
| RC Geary Limited | Professional & scientific | 2014 |