| RJL Drainage Services Ltd | Construction | 2024 |
| RJL Education HQ Ltd | Education | 2026 |
| RJL Education Hub Ltd | Education | 2023 |
| RJL Groundworks & Maintenance Ltd | Construction | 2020 |
| RJL Hairdressing Ltd | Education | 2024 |
| RJM Ductwork Ltd | Construction | 2026 |
| RJR Properties Limited | Real estate | 2023 |
| RJR Software Ltd | Professional & scientific | 2024 |
| RJS Properties Group Ltd | Real estate | 2025 |
| RK CAB Services Ltd | Transport & logistics | 2018 |
| RK Education Solutions Ltd | Education | 2024 |
| RK Health Plus Ltd | Health & social care | 2024 |
| RK Project Services Ltd | Information & communication | 2020 |
| RK Realtor Ltd | Real estate | 2025 |
| RK Taas Holdings Ltd | Real estate | 2022 |
| Rkaytech Industrial Solutions Ltd | Wholesale & retail | 2025 |
| Rkeyecare Ltd | Health & social care | 2016 |
| RKF Enterprise Limited | Wholesale & retail | 2020 |
| RKH Renderseal UK Ltd | Administrative & support | 2021 |
| Rkid Performance Limited | Professional & scientific | 2024 |
| RL Academy Gym Ltd | Arts & recreation | 2024 |
| RL Academy Holding Ltd | Administrative & support | 2024 |
| RL Academy Online Ltd | Arts & recreation | 2024 |
| RL Corporation Ltd | Other services | 2018 |
| RL International Ltd | Wholesale & retail | 2018 |
| RLA Technologies Limited | Real estate | 2013 |
| RLB Logistics Limited | Transport & logistics | 2014 |
| RLD Logistics Limited | Transport & logistics | 2020 |
| Rlfans.Com Limited | Information & communication | 2011 |
| RLG Services NW Limited | Real estate | 2024 |
| RLL Enterprise 26 Ltd | Wholesale & retail | 2026 |
| Rlpg Property 1 Ltd | Other services | 2024 |
| RM Clarke Property Management Ltd | Real estate | 2026 |
| RM Consultants (NW) Ltd | Professional & scientific | 2026 |
| RM Cricket Ltd | Education | 2024 |
| RM Investing Ltd | Wholesale & retail | 2022 |
| RM Investire Limited | Financial services | 2025 |
| RM06 Fastfood UK Limited | Hospitality | 2025 |
| RMB Plumbgas Ltd | Construction | 2016 |
| RMC Kingdom Investments Ltd | Professional & scientific | 2022 |
| RMG Interiors Ltd | Construction | 2018 |
| RMG Utilities Management Limited | Other services | 2022 |
| RMJ Home & Garden Services Limited | Administrative & support | 2022 |
| Rmjg Consultants Limited | Professional & scientific | 2025 |
| RMP Haulage Ltd | Transport & logistics | 2019 |
| RMP Properties NW Ltd | Real estate | 2024 |
| RMR Management Ltd. | Administrative & support | 2020 |
| RMS Collections Ltd | Wholesale & retail | 2023 |
| RMS Consulting (Northern) Ltd | Professional & scientific | 2015 |
| RMS Plastic Treatments Ltd | Manufacturing | 2019 |
| RMZ Ozone Traders Limited | Wholesale & retail | 2025 |
| RN Works Control Ltd | Professional & scientific | 2025 |
| RNC Security Ltd | Administrative & support | 2020 |
| RNH Design Ltd | Professional & scientific | 2025 |
| Rnhs Limited | Health & social care | 2008 |
| RNL Logistics Limited | Transport & logistics | 2026 |
| RNM Electrical Limited | Construction | 2014 |
| RNR Ventures Limited | Hospitality | 2018 |
| RNR Wheel Management Ltd | Information & communication | 2026 |
| Rnrp Sports Ltd | Arts & recreation | 2025 |
| RNS Store Limited | Wholesale & retail | 2025 |
| RNT Properties (NW) Limited | Real estate | 2019 |
| RNW Solicitors Ltd | Professional & scientific | 2021 |
| Road Contract Services Limited | Construction | 2000 |
| Road Guard Solutions Limited | Transport & logistics | 2015 |
| Roadwar Club Ltd | Wholesale & retail | 2022 |
| Roamah Ltd | Administrative & support | 2022 |
| ROB Edge Window Cleaning Service Ltd | Administrative & support | 2014 |
| ROB Kavanagh Creative Limited | Professional & scientific | 2026 |
| ROB Marsland Services Limited | Professional & scientific | 2019 |
| ROB Newton Services Limited | Transport & logistics | 2020 |
| ROB Slater Ceramics Limited | Construction | 2010 |
| ROB Stephens Medical and Education Ltd | Education | 2023 |
| ROB Tuppen Consulting Limited | Information & communication | 2021 |
| Robbwilson Limited | Construction | 2005 |
| Robelia Limited | Real estate | 2019 |
| Robelia Real Estate Ltd | Construction | 2022 |
| Robert & Xavier Investment Group Limited | Real estate | 2024 |
| Robert Kent Funeral Services Ltd | Real estate | 2017 |
| Robert Peel (Bury) Ltd | Hospitality | 2021 |
| Robert Peel Limited | Hospitality | 2015 |
| Robert Ricketts Services Limited | Transport & logistics | 2022 |
| Roberts & Cubbage Joinery Limited | Manufacturing | 1991 |
| Roberts & Milburn Ltd | Real estate | 2019 |
| Roberts Carpentry Limited | Construction | 2026 |
| Roberts Secure Ltd | Manufacturing | 2024 |
| Robin Fletcher Limited | Arts & recreation | 2007 |
| Robin Hall Optical Ltd | Wholesale & retail | 2022 |
| Robin Hood Car Hire Limited | Other services | 2012 |
| Robinson & Lowe (Electrical) Ltd | Construction | 2011 |
| Robinson Construction Management Limited | Professional & scientific | 2010 |
| Robinson L Driver Services Ltd | Transport & logistics | 2014 |
| Robinson Recruitment Group Ltd | Professional & scientific | 2023 |
| Robinson Roofcraft Limited | Construction | 2013 |
| Robinsons Haulage Ltd | Transport & logistics | 2021 |
| Robinsons Recovery Limited | Administrative & support | 2007 |
| Robinsons UK 12 Ltd | Construction | 2021 |
| Robintek Ltd | Professional & scientific | 2023 |
| Robles Smart One Services Ltd | Health & social care | 2018 |
| Roboit Ltd | Information & communication | 2025 |