| R Kitchen 90 Ltd | Hospitality | 2025 |
| R L Emeleus Limited | Financial services | 2016 |
| R Lewthwaite Dental Care Ltd | Health & social care | 2017 |
| R Line Associates Ltd | Manufacturing | 2013 |
| R Lukas Transport Ltd | Transport & logistics | 2015 |
| R M Builders Contracting Services Limited | Construction | 2013 |
| R M Property (Nottingham) Limited | Households | 2017 |
| R Majid Services Limited | Professional & scientific | 2025 |
| R N Radev Limited | Transport & logistics | 2025 |
| R Nicholson Financial Limited | Financial services | 2024 |
| R P C Property Services LLP | | 2013 |
| R P World Models Limited | Manufacturing | 1999 |
| R Panton Consulting Ltd | Information & communication | 2011 |
| R Qfit Ltd | Wholesale & retail | 2025 |
| R R Developments(South Yorkshire) Limited | Real estate | 2023 |
| R S Cleaning Services Limited | Administrative & support | 2003 |
| R S Greenwood Ltd | Real estate | 2019 |
| R Suwali Properties Limited | Real estate | 2018 |
| R T Dons Property Ltd | Real estate | 2025 |
| R Tamang Ltd | Health & social care | 2019 |
| R U Switched on Limited | Construction | 2006 |
| R W Brickwork Limited | Construction | 2014 |
| R W Developments (East Midlands) Limited | Real estate | 2019 |
| R Woodward Painters Decorators Builders Limited | Construction | 2010 |
| R&A Essentials Limited | Wholesale & retail | 2025 |
| R&A24 Ltd | Wholesale & retail | 2023 |
| R&B Solutions Services Ltd | Construction | 2025 |
| R&D Houses Ltd | Real estate | 2022 |
| R&D W Advisory Limited | Financial services | 2020 |
| R&E Coaching Limited | Arts & recreation | 2024 |
| R&G Developments (Lowdham) Ltd | Construction | 2025 |
| R&J Luxury Kitchens Limited | Manufacturing | 2026 |
| R&J Skev Ltd | Transport & logistics | 2026 |
| R&Josh Limited | Hospitality | 2023 |
| R&K Autohouse Limited | Wholesale & retail | 2016 |
| R&K Lowloaders Ltd | Manufacturing | 2019 |
| R&K Property Solutions Ltd | Real estate | 2023 |
| R&M Business Ltd | Wholesale & retail | 2019 |
| R&M Logistics Consulting Limited | Professional & scientific | 2023 |
| R&M UK Property Investments Ltd | Real estate | 2017 |
| R&P Services Midlands Limited | Construction | 2016 |
| R&P Ventures Ltd | Wholesale & retail | 2025 |
| R&R Assets Limited | Real estate | 2021 |
| R&R Inventories Ltd | Households | 2023 |
| R&R Jewellers Ltd | Manufacturing | 2025 |
| R&R Joinery Services Limited | Construction | 2016 |
| R&R Project Solutions Ltd | Professional & scientific | 2024 |
| R&R Trident Properties Limited | Real estate | 2020 |
| R&S Contracts Ltd | Construction | 2025 |
| R&T Cars Limited | Transport & logistics | 2022 |
| R&T Cars Nottingham Ltd | Administrative & support | 2025 |
| R&V Studio Ltd | Wholesale & retail | 2026 |
| R&W Casper Building Limited | Construction | 2022 |
| R&W Solutions Ltd | Administrative & support | 2026 |
| R&W Traders (UK) Limited | Financial services | 1996 |
| R-North Development Ltd | Real estate | 2024 |
| R-North Services Ltd | Real estate | 2023 |
| R-Sky Media Ltd | Information & communication | 2026 |
| R-Tracc LLP | | 2020 |
| R-U-Cars Loughborough Limited | Wholesale & retail | 2018 |
| R. & a. J. Butler Holdings Limited | Professional & scientific | 2002 |
| R. and a. Holdings Limited | Professional & scientific | 1986 |
| R. Barnett & Co Ltd | Professional & scientific | 2007 |
| R. E. Green ANP Ltd | Health & social care | 2020 |
| R. J. Littlewood Consulting Ltd | Administrative & support | 2016 |
| R. James Services Ltd | Professional & scientific | 2022 |
| R. W. Evison and SON Limited | Construction | 2014 |
| R.A.D Properties & Renovations Ltd | Construction | 2025 |
| R.A.T Nottingham Limited | Real estate | 2016 |
| R.A.U.K. Scaffolding Limited | Construction | 2002 |
| R.B.S.N. Limited | Construction | 2001 |
| R.C. Priestley & Co. Limited | Construction | 1964 |
| R.D. Construction Limited | | 1980 |
| R.D.P. Estates Ltd | Real estate | 2001 |
| R.E. Ashworth & Company Limited | Wholesale & retail | 1999 |
| R.Elson Housing Ltd | Hospitality | 2023 |
| R.G. Foster Textile Machinery Limited | Manufacturing | 1976 |
| R.G.Dennison Limited | Administrative & support | 2006 |
| R.J. Harmer Limited | Real estate | 1997 |
| R.J. Stevenson (Nottingham) Limited | Professional & scientific | 2010 |
| R.J.Brown & Sons Limited | Real estate | 1937 |
| R.J.Morley Electrical Ltd | Construction | 2016 |
| R.L. Property Services Burton Limited | Administrative & support | 2014 |
| R.M.K. Paint Finishers Limited | Manufacturing | 1997 |
| R.M.S. Construction and Developments Limited | Construction | 2004 |
| R.Moroz Ltd | Health & social care | 2015 |
| R.N. Lowe Limited | Wholesale & retail | 1999 |
| R.N. Surfacing & Sons Limited | Construction | 2021 |
| R.Newbold and Company,Limited | Extraterritorial | 1912 |
| R.O London Wellness Limited | Other services | 2023 |
| R.Ockelford Holdings Limited | Arts & recreation | 2016 |
| R.Ocket Fitness Ltd | Arts & recreation | 2020 |
| R.P.K Limited | Real estate | 2022 |
| R.S & a Ltd | Wholesale & retail | 2025 |
| R.S & Sons International Ltd | Manufacturing | 2022 |
| R.Sa Euro Corporation Ltd | Wholesale & retail | 2025 |
| R.Sleight Limited | Education | 2019 |
| R1 Carpentry Supplies Ltd | Professional & scientific | 2015 |
| R11 Sports Ltd | Arts & recreation | 2018 |
| R2A Valley Ltd | Health & social care | 2017 |