| Rajah Living Ltd | Real estate | 2020 |
| Rajco Consultancy Ltd | Professional & scientific | 2008 |
| Rajco Food & Wine London Ltd | Wholesale & retail | 2018 |
| Raje Fruit & VEG Ltd | Wholesale & retail | 2023 |
| Rajendra Properties Ltd | Real estate | 2024 |
| Rajendran Property Ltd | Households | 2024 |
| Rajia Properties Limited | Real estate | 2026 |
| Rajibans Services Ltd | Financial services | 2017 |
| Rajp Consultancy Services Ltd | Construction | 2024 |
| Rajpat and Co Limited | Administrative & support | 2019 |
| Rajpropertiesuk Ltd | Real estate | 2021 |
| Rajput Brothers Ltd | Administrative & support | 2026 |
| Raka Accountancy Limited | Professional & scientific | 2021 |
| Rakaban Ltd | Transport & logistics | 2023 |
| Rakaposhi Ltd | Real estate | 2018 |
| Rakesh Kumar One Ltd | Construction | 2023 |
| Rakib Forever Limited | Wholesale & retail | 2024 |
| Raliga Limited | Construction | 2023 |
| RAM Travels Ltd | Transport & logistics | 2026 |
| Rama 10X Ltd | Financial services | 2023 |
| Rama 152 Ltd | Real estate | 2025 |
| Rama Builders Ltd | Construction | 2025 |
| Ramadurai Ltd | Wholesale & retail | 2025 |
| Ramaiya Homes Ltd | Real estate | 2025 |
| Raman Jewellers Limited | Wholesale & retail | 2010 |
| Ramatech Consulting Engineers Ltd | Professional & scientific | 2018 |
| Ramaubik Limited | Financial services | 2020 |
| Rambas Consultant Ltd | Professional & scientific | 2018 |
| Rambo Motors 77 Limited | Wholesale & retail | 2026 |
| Ramdan Food Ltd | Other services | 2022 |
| Rameel Limited | Information & communication | 2018 |
| Rametis Solutions Limited | Information & communication | 2023 |
| Ramezone Ltd | Wholesale & retail | 2023 |
| Ramirah Educational Services Limited | Wholesale & retail | 2026 |
| Ramirez Capital Enhancement Group Ltd | Professional & scientific | 2025 |
| Rampal Holding (UK) Limited | Financial services | 2016 |
| Ramses Coffee House Ltd | Hospitality | 2012 |
| Ramsha and Brothers Ltd | Other services | 2022 |
| Ramzor Limited | Construction | 2023 |
| Rana Arts Limited | Wholesale & retail | 2025 |
| Rana Construction Ltd | Construction | 2026 |
| Rana Overseas Impex Limited | Other services | 2014 |
| Rana Property Investments Limited | Real estate | 2019 |
| Rana Technologies Limited | Wholesale & retail | 2013 |
| Rana's HHH Properties Investments Ltd | Real estate | 2021 |
| Random Bits UK Ltd | Wholesale & retail | 2020 |
| Rane's Decor Ltd | Arts & recreation | 2026 |
| Rang Mahal London Ltd | Wholesale & retail | 2016 |
| Range (UK) Limited | Real estate | 2011 |
| Range Enterprise Limited | Real estate | 2011 |
| Rangepay International Limited | Wholesale & retail | 1994 |
| Ranger Corporate Limited | Real estate | 2021 |
| Ranger Projects Limited | Real estate | 2021 |
| Rangkirpa Ltd | Real estate | 2018 |
| Rangoli Fashion Ltd | Wholesale & retail | 2020 |
| Rani Diya Property Ltd | Real estate | 2020 |
| Rani London Ltd | Wholesale & retail | 2023 |
| Ranji Properties Ltd | Real estate | 2026 |
| Ranjith Limited | Information & communication | 2021 |
| Rank Pulse Ltd | Information & communication | 2025 |
| Ranked Digital ADS Ltd | Information & communication | 2025 |
| Rankin Property Holding Ltd | Real estate | 2023 |
| Ranking Rockets Ltd | Professional & scientific | 2025 |
| Rankright Media Ltd | Information & communication | 2025 |
| Ransford Dawkins Limited | Administrative & support | 2021 |
| Ransii Limited | Wholesale & retail | 2025 |
| Ranu Holdings Ltd | Real estate | 2017 |
| Ranu Ventures Ltd | Real estate | 2025 |
| RAO Andreea Ltd | Construction | 2019 |
| RAO Healthcare Ltd | Wholesale & retail | 2019 |
| RAO Security Services Limited | Administrative & support | 2025 |
| Raot Limited | Hospitality | 2025 |
| RAP Communities Ltd | Real estate | 2026 |
| Rapha Medical Services Limited | Health & social care | 2016 |
| Raphia UK Limited | Health & social care | 2015 |
| Rapid Construction Services Limited | Construction | 2025 |
| Rapid Consultancy Solutions Ltd | Information & communication | 2024 |
| Rapid Distribution (UK) Limited | Other services | 2008 |
| Rapid Drainage Services Limited | Water & waste | 2019 |
| Rapid Drop Logistics Ltd | Transport & logistics | 2026 |
| Rapid Equity Partners Ltd | Real estate | 2020 |
| Rapid Haulage Ltd | Transport & logistics | 2024 |
| Rapid IT Support Ltd | Information & communication | 2019 |
| Rapid K9 Security Ltd | Administrative & support | 2023 |
| Rapid LET Estate Agency Ltd | Real estate | 2018 |
| Rapid London Recovery Ltd | Extraterritorial | 2024 |
| Rapid Move Couriers and Removals Ltd | Transport & logistics | 2025 |
| Rapid Property Care Services Ltd | Administrative & support | 2026 |
| Rapid Recovery and Transport Ltd | Wholesale & retail | 2025 |
| Rapid Refurbishments Limited | Administrative & support | 2014 |
| Rapid Response Medics Ltd | Professional & scientific | 2016 |
| Rapid Response Plumbing and Heating Maintenance Limited | Construction | 2026 |
| Rapid Runners Ltd | Transport & logistics | 2023 |
| Rapid Shopfitters Limited | Construction | 2018 |
| Rapid Sight Limited | Information & communication | 2023 |
| Rapid Strike Caffe Ltd | Hospitality | 2026 |
| Rapid Structural Services Ltd | Professional & scientific | 2023 |
| Rapida Stoleru Ltd | Transport & logistics | 2018 |
| Rapidlink Transport Ltd | Transport & logistics | 2026 |
| Rapido Sepeda Ltd | Wholesale & retail | 2021 |