| R Heer Properties Ltd | Real estate | 2022 |
| R Holland Holdings Limited | Financial services | 2023 |
| R J Norton (Holdings) Limited | Real estate | 2020 |
| R J Norton Ltd | Real estate | 2011 |
| R J Steele Couriers Ltd | Transport & logistics | 2019 |
| R Melville Ltd | Professional & scientific | 2023 |
| R S Installations & Engineering Services Limited | Manufacturing | 2021 |
| R T Rushton Limited | Real estate | 2005 |
| R T Testing Centre Limited | Wholesale & retail | 2017 |
| R V Services Midlands Limited | Manufacturing | 2015 |
| R Ward Services Ltd | Professional & scientific | 2020 |
| R Yates Engineering Limited | Construction | 2023 |
| R&A Eurotrans Limited | Transport & logistics | 2019 |
| R&A Properties and Investments Limited | Real estate | 2026 |
| R&C Jardine Ltd | Real estate | 2026 |
| R&D Trans Ltd | Transport & logistics | 2016 |
| R&E Locksmiths & Security Limited | Administrative & support | 2022 |
| R&H Rentals Ltd | Real estate | 2026 |
| R&L Families Ltd | Hospitality | 2023 |
| R&M Hand Crafts Ltd | Arts & recreation | 2019 |
| R&M Wingz Ltd | Hospitality | 2026 |
| R&Y Kitchen Limited | Wholesale & retail | 2023 |
| R-Co and SON Ltd | Construction | 2019 |
| R-M-H Catering Ltd | Hospitality | 2026 |
| R. Goostrey Plumbing & Heating Limited | Construction | 2023 |
| R. Knobbs Agricultural Engineers Limited | Manufacturing | 2002 |
| R.D.L Shot Blasting & Powder Coating Ltd | Wholesale & retail | 2016 |
| R.E. Knowles Limited | Manufacturing | 1944 |
| R.G. Trade Supplies and Engineering Limited | Manufacturing | 1973 |
| R.J.H. Automation Limited | Manufacturing | 1997 |
| R.L.C. Technical Services Limited | Professional & scientific | 2007 |
| R.Marshall Carr Limited | Financial services | 1934 |
| R.Or Engineering Limited | Manufacturing | 2015 |
| R.V.R. Ltd | Wholesale & retail | 2003 |
| R2 Hanley Ltd | Hospitality | 2019 |
| R2 Homes Limited | Real estate | 2024 |
| R3M Limited | Health & social care | 2013 |
| R4A Limited | Other services | 2014 |
| RA Arctectural Eco Ltd | Construction | 2022 |
| RA Docksey Limited | Real estate | 2025 |
| RA Wild & SON Transport Ltd | Transport & logistics | 2015 |
| Ra-Med Ltd | Health & social care | 2024 |
| RAB Landscapes Limited | Administrative & support | 2024 |
| Rab's Carpets and Flooring Limited | Construction | 2019 |
| Race Ready Sims Ltd | Wholesale & retail | 2023 |
| Racecourse Management Company Limited | Households | 2024 |
| Racegrid Limited | Arts & recreation | 2019 |
| Rach's Cleaning Services Ltd | Administrative & support | 2025 |
| Rack City Warehouse Solutions Ltd | Administrative & support | 2019 |
| Rackshelf UK Limited | Administrative & support | 2003 |
| Radcliffe Group Physio Limited | Health & social care | 2023 |
| Radford (Bavarian) Limited | Extraterritorial | 1995 |
| Radford Homes Limited | Households | 2022 |
| Radford Housing Limited | Financial services | 2022 |
| Radg Agencies Limited | Administrative & support | 2014 |
| Radial Park Management Limited | Extraterritorial | 1999 |
| Radiance Tanning Ltd | Other services | 2025 |
| Radical Company (Europe) Limited | Information & communication | 2010 |
| Radix Foundation | Information & communication | 2019 |
| Radix Publishing (UK) Limited | Information & communication | 2023 |
| Radu Valentin Ltd | Transport & logistics | 2025 |
| RAE and Co Limited | Real estate | 2005 |
| Raffalane Properties Limited | Construction | 2005 |
| Rafferty Chimneys Limited | Construction | 2004 |
| Rafferty Holdings Limited | Professional & scientific | 2007 |
| Rafferty Lightning Protection Ltd | Construction | 2013 |
| Rafferty Specialist Access Services Limited | Construction | 2013 |
| Rafferty Steeplejacks Limited | Extraterritorial | 2013 |
| Rafi Gadgets Ltd | Wholesale & retail | 2019 |
| Rage Stoke Ltd | Arts & recreation | 2019 |
| RAH Management Group Ltd | Health & social care | 2026 |
| Rahim Super Store Ltd | Wholesale & retail | 2025 |
| Rail Services Corp Limited | Manufacturing | 2015 |
| Rail Technologies Group International Limited | Financial services | 2025 |
| Railstuff Limited | Manufacturing | 2026 |
| Railway Street Body Shop Ltd | Wholesale & retail | 2023 |
| Raimaz Ltd | Wholesale & retail | 2024 |
| Rain Logistics Ltd | Transport & logistics | 2024 |
| Rainah Ltd | Manufacturing | 2022 |
| Rainbow Carpets Ltd | Wholesale & retail | 2025 |
| Rainbow Pest Control Ltd | Administrative & support | 2017 |
| Rainbows Academy Limited | Education | 2025 |
| Rains Umbrellas and Merchandise Ltd | Wholesale & retail | 2024 |
| Rais Private Hire Limited | Transport & logistics | 2017 |
| Raise the Bar Tutoring Ltd | Education | 2019 |
| Raja Fast Food Ltd | Hospitality | 2018 |
| Rajas Technologies Ltd | Wholesale & retail | 2024 |
| RAK Anaesthetic Locums Ltd | Health & social care | 2015 |
| Rakesdale Holdings Limited | Hospitality | 2013 |
| Rakm Limited | Wholesale & retail | 2024 |
| Ralakde Holdings Limited | Financial services | 2025 |
| Ralakde Ltd | Manufacturing | 2015 |
| Ralex Serv Ltd | Transport & logistics | 2018 |
| Rambl Limited | Information & communication | 2018 |
| Ramexpress Ltd | Wholesale & retail | 2021 |
| Ramin Healthcare Limited | Wholesale & retail | 2017 |
| Ramshorn Estates Limited | Hospitality | 2020 |
| Rana Consultancy Ltd | Wholesale & retail | 2025 |
| Rana's Holdings Limited | Financial services | 2025 |
| Ranbir Sahota Limited | Real estate | 2023 |