| Ranjna's Properties Limited | Real estate | 2024 |
| Ranmoor Property (East Midlands) Ltd | Hospitality | 2025 |
| Ransoms Leases Ltd | Real estate | 2025 |
| Ranuna Limited | Information & communication | 2024 |
| Ranya Grocery Ltd | Wholesale & retail | 2022 |
| RAP Investments (UK) Limited | Financial services | 2017 |
| Rapala VMC UK Limited | Manufacturing | 2001 |
| Rapha Medic Ltd | Information & communication | 2018 |
| Rapha Production Limited | Administrative & support | 2016 |
| Rapid 121 Limited | Health & social care | 2020 |
| Rapid Auto Solutions Ltd | Wholesale & retail | 2011 |
| Rapid Breakdown Recovery Limited | Transport & logistics | 2020 |
| Rapid Glass & Glazing Limited | Manufacturing | 2021 |
| Rapid Hands Ltd | Transport & logistics | 2015 |
| Rapid Horizons Limited | Transport & logistics | 2015 |
| Rapid Light Transport Limited | Transport & logistics | 2006 |
| Rapid Loans Limited | Other services | 1992 |
| Rapid Locksmiths Limited | Administrative & support | 2009 |
| Rapid Radiology Limited | Health & social care | 2005 |
| Rapid Responce Recovery Limited | Transport & logistics | 2025 |
| Rapid Transport Group Ltd | Transport & logistics | 2024 |
| Rapidline Services Ltd | Construction | 2022 |
| Rapidplan Limited | Wholesale & retail | 2001 |
| Raposo Ltd | Information & communication | 2020 |
| Rapport Healthcare Ltd | Health & social care | 2024 |
| Raptor Recruitment Ltd | Administrative & support | 2018 |
| RAR Advisory Ltd | Financial services | 2026 |
| Rare Emporium Ltd | Wholesale & retail | 2025 |
| Rareform Dept Ltd | Manufacturing | 2026 |
| RAS Barbers Limited | Other services | 2020 |
| RAS Commercial UK Ltd | Real estate | 2024 |
| RAS Nottingham Ltd | Real estate | 2019 |
| RAS Plumbing and Heating Ltd | Construction | 2020 |
| Rasa Consultants Limited | Information & communication | 2024 |
| Rascal Sports Ltd | Education | 2022 |
| Rash Adams & Co Ltd | Professional & scientific | 2024 |
| Rashfoods Ltd | Hospitality | 2025 |
| Rashid Property Letting Ltd | Real estate | 2025 |
| Rasko Limited | Real estate | 2013 |
| Rasoolcinematics Ltd | Professional & scientific | 2025 |
| Rasooli Property Limited | Real estate | 2024 |
| Raspberry Living Limited | Real estate | 2021 |
| Rassas Motors Ltd | Wholesale & retail | 2017 |
| Ratcliffe Education Consultancy Ltd | Education | 2011 |
| Rate Social Ltd | Professional & scientific | 2018 |
| Rated Doctor Limited | Health & social care | 2020 |
| Ratio Design Associates Limited | Professional & scientific | 2002 |
| Rattle and Roll Charities Ltd | Education | 2022 |
| Rattle and Roll Limited | Education | 2008 |
| Rattoshi Ltd | Real estate | 2020 |
| Rattrayparkin Ltd | Administrative & support | 2009 |
| Rauceby Developments Limited | Construction | 2017 |
| Rauk (Nottm) Limited | Real estate | 2025 |
| Rauk Consult Ltd | Professional & scientific | 2026 |
| Raupack Machinery Ltd | Wholesale & retail | 2011 |
| Ravelle Interiors Limited | Professional & scientific | 2025 |
| Raven Commercial Management Limited | Professional & scientific | 2015 |
| Raven Electrical Holdings Limited | Financial services | 2024 |
| Raven Roofing Limited | Construction | 2020 |
| Ravenshead Consultancy Limited | Information & communication | 2016 |
| Ravenshead Dental Practice Ltd | Health & social care | 2013 |
| Ravenshead Exterior Cleaning Services Ltd | Administrative & support | 2020 |
| Ravenshead Live Limited | Arts & recreation | 2025 |
| Ravenshead Nails Limited | Other services | 2023 |
| Ravenshead Salon Limited | Other services | 2022 |
| Ravenshead Topco Limited | Financial services | 2019 |
| Ravenshire Works Limited | Administrative & support | 2025 |
| Ravenspire Investments Ltd | Real estate | 2021 |
| Ravenvale Plumbing & Heating Limited | Wholesale & retail | 2004 |
| Ravenwood Business Solutions Limited | Professional & scientific | 2005 |
| Ravian Services Ltd | Information & communication | 2023 |
| RAW Brothers Limited | Hospitality | 2025 |
| RAW Cutz Barber Ltd | Other services | 2020 |
| RAW Cutz Style Ltd | Other services | 2017 |
| RAW Vegan Healing Limited | Health & social care | 2025 |
| Rawlins Joinery Services Limited | Construction | 2011 |
| Rawmance Music Ltd | Information & communication | 2025 |
| Rawsha Grill Ltd | Hospitality | 2025 |
| Rawson Clicks Limited | Professional & scientific | 2025 |
| Rawtribe Ltd | Wholesale & retail | 2013 |
| RAX LUX Driving Ltd | Transport & logistics | 2024 |
| Raxen Limited | Information & communication | 2026 |
| Raxico Ltd | Professional & scientific | 2026 |
| RAY & Sons Building Ltd | Real estate | 2020 |
| RAY Balm Ltd | Wholesale & retail | 2023 |
| RAY Cars Ltd | Wholesale & retail | 2021 |
| RAY Haulage Ltd | Transport & logistics | 2019 |
| RAY Survey Ltd | Professional & scientific | 2024 |
| RAY Vans Ltd | Transport & logistics | 2026 |
| Ray's Burger Shack Limited | Hospitality | 2025 |
| Ray's Vending Ltd | Wholesale & retail | 2025 |
| Rayhanstudios Ltd | Professional & scientific | 2025 |
| Rayleigh V.E. Limited | Other services | 2007 |
| Rayman Luxury Realty Ltd | Real estate | 2024 |
| Rayman Twin Developments Ltd | Real estate | 2026 |
| Raymer Enterprises Limited | Administrative & support | 2016 |
| Raymond Crane Hire Limited | Construction | 2002 |
| Raymonds Press Agency Limited | Manufacturing | 2012 |
| Raynes Healthcare Ltd. | Health & social care | 2016 |
| Raynor Industrial Ltd | Manufacturing | 1999 |