| Raees Builder Ltd | Construction | 2024 |
| Raely Studios Ltd | Wholesale & retail | 2025 |
| Rafa Raul Ltd | Transport & logistics | 2024 |
| Rafey Ventures Ltd | Wholesale & retail | 2026 |
| Rafid Radiology Limited | Professional & scientific | 2014 |
| Rafik International Ltd | Wholesale & retail | 2021 |
| Rafikpl Ltd | Transport & logistics | 2018 |
| Raflip-Trans Ltd | Transport & logistics | 2015 |
| Rafylia Technologies Ltd | Information & communication | 2026 |
| Raham Project Community Interest Company | Health & social care | 2021 |
| Rahemtulla Capital Limited | Financial services | 2024 |
| Rahim Trading Partners Ltd | Education | 2025 |
| Rahman Estate Stamford Limited | Real estate | 2024 |
| Rail Data and Intelligence Limited | Information & communication | 2023 |
| Railworld Trading Limited | Hospitality | 2017 |
| Railx Digital Solutions Limited | Transport & logistics | 2022 |
| Raimisbl Ltd. | Transport & logistics | 2016 |
| Rain Hairdressing Ltd | Wholesale & retail | 2021 |
| Rainbow 556 Limited | Hospitality | 2025 |
| Rainbow Care Providers Ltd | Health & social care | 2013 |
| Rainbow Dreams Photography Ltd | Professional & scientific | 2021 |
| Rainbow MK Ltd | Other services | 2025 |
| Rainchem Ltd | Manufacturing | 2024 |
| Raise Your Game Ltd | Information & communication | 2024 |
| Raja Asim Mahmood Ltd | Wholesale & retail | 2025 |
| Raja Smiles Ltd | Financial services | 2025 |
| Rajabi 313 Construction Ltd | Construction | 2025 |
| Rajouri Estate Property Investments LLP | | 2025 |
| Rajouri Properties Ltd | Real estate | 2025 |
| RAK 786 Ltd | Wholesale & retail | 2024 |
| RAK Buildings Service Ltd | Construction | 2020 |
| Ralo Kitchens Ltd | Manufacturing | 2022 |
| RAM Developments (Cambs) Ltd | Construction | 2019 |
| RAM MAN Holdings Ltd | Financial services | 2021 |
| RAM MAN Properties Ltd | Real estate | 2021 |
| Ramadan Run Ltd | Health & social care | 2018 |
| Ramarkas Ltd | Transport & logistics | 2023 |
| Rameez Optical Ltd | Wholesale & retail | 2023 |
| Rampard Investment Limited | Real estate | 2023 |
| Rampard Limited | Real estate | 2015 |
| Rampart Security & FM Ltd | Administrative & support | 2019 |
| Ramsdale Capital Ltd | Other services | 2023 |
| Ramsey Builders Merchants Ltd | Wholesale & retail | 2016 |
| Ramsey Cricket Club Ltd | Arts & recreation | 2023 |
| Ramsey Foods Ltd | Hospitality | 2022 |
| Ramsgate International (UK) Ltd | Wholesale & retail | 2020 |
| Ramunas S Ltd | Transport & logistics | 2020 |
| Ramzens-Transport Ltd | Transport & logistics | 2024 |
| Rana Cars 4 U Ltd | Wholesale & retail | 2013 |
| Randall & Co Limited | Construction | 2012 |
| Randecare Limited | Health & social care | 2023 |
| Random Access Meadery Ltd | Manufacturing | 2025 |
| Rannock Properties Limited | Real estate | 1987 |
| Ranraj Ltd | Wholesale & retail | 2025 |
| Ranys Ranya Ltd | Construction | 2025 |
| RAP Holdings Limited | Financial services | 2021 |
| RAP Industries Limited | Manufacturing | 1975 |
| Rapdom Trans Ltd | Transport & logistics | 2019 |
| Rapid Express Courier Ltd | Transport & logistics | 2024 |
| Rapid Image UK Ltd | Information & communication | 2014 |
| Rapid Routes Logistics Ltd | Transport & logistics | 2025 |
| Rapidcart Ltd | Wholesale & retail | 2026 |
| Rapiddata Ltd | Information & communication | 2023 |
| Rapidrop Global Limited | Construction | 2005 |
| Rapidrop Holdco Limited | Financial services | 2025 |
| Rapidrop Overseas Limited | Financial services | 2025 |
| Rapidrop Top Holdco Limited | Financial services | 2025 |
| Rapidrop UK Limited | Professional & scientific | 2003 |
| Raptor Delivers Ltd | Transport & logistics | 2025 |
| Rare Solution Limited | Administrative & support | 2024 |
| RAS Construction Contractors UK Ltd | Construction | 2025 |
| RAS Futures Limited | Real estate | 2017 |
| RAS Performance Limited | Wholesale & retail | 2025 |
| Rasti Limited | Transport & logistics | 2012 |
| Raul Silver Express Ltd | Transport & logistics | 2026 |
| Rava Best Car Deals Limited | Wholesale & retail | 2019 |
| Rava Investment Ltd | Real estate | 2025 |
| Raven & Raven Ltd | Transport & logistics | 2018 |
| Ravenhill Capital Ltd | Financial services | 2023 |
| Ravenscroft (Bishops Stortford) Limited | Financial services | 2019 |
| Ravenscroft Investments (UK) Limited | Financial services | 2010 |
| Ravenstone Works Ltd | Other services | 2025 |
| Ravsa Property Ltd | Real estate | 2024 |
| RAW & More Pet Supplies Ltd | Wholesale & retail | 2017 |
| Rawheat Limited | Construction | 1999 |
| Rawlings Sparrow Equipment Ltd | Wholesale & retail | 2024 |
| RAY and Paul Carpets Limited | Wholesale & retail | 1985 |
| RAY Cleaning Ltd | Administrative & support | 2025 |
| RAY Consultants PVT Ltd | Real estate | 2016 |
| Rayaz Estates Ltd | Real estate | 2023 |
| Rayaz Properties Ltd | Real estate | 2021 |
| Raychi UK Limited | Wholesale & retail | 2025 |
| Rayko Solukov Ltd | Construction | 2017 |
| Raymal Ltd | Professional & scientific | 2018 |
| Raymond James Limited | Hospitality | 2023 |
| Raymoss Ltd | Construction | 2018 |
| Rays Import Export Limited | Wholesale & retail | 2026 |
| Rayse Ltd | Health & social care | 2024 |
| Raywood Graphic Design Ltd | Professional & scientific | 2018 |
| Razaq and Co Investments Limited | Real estate | 2017 |