| Rushcliffe Engineering Design Services Ltd | Professional & scientific | 2016 |
| Rushcliffe Enterprises Limited | Professional & scientific | 2018 |
| Rushcliffe Environmental Limited | Professional & scientific | 2008 |
| Rushcliffe Estates Group Limited | Real estate | 2007 |
| Rushcliffe Fencing Limited | Construction | 2003 |
| Rushcliffe Montessori Ltd | Education | 2022 |
| Rushcliffe Physiotherapy and Sports Injury Clinic Ltd | Public administration | 2022 |
| Rushcliffe Pre-School (Nottingham) Ltd | Education | 2014 |
| Rushcliffe Securities Limited | Real estate | 1990 |
| Rushcliffe Travel Ltd | Transport & logistics | 2015 |
| Rushcliffe Veterinary Centre Limited | Professional & scientific | 2012 |
| Rushes Court (2006) Management Company Limited | Households | 2006 |
| Rushey Mead Healthcare Ltd | Wholesale & retail | 2024 |
| Rushime Services Ltd | Health & social care | 2014 |
| Rushly Technologies Limited | Information & communication | 2026 |
| Rushworth AVE Limited | Real estate | 2023 |
| Rushworth Court RTM Company Limited | Administrative & support | 2004 |
| Ruskington Park Homes Ltd | Professional & scientific | 1998 |
| Ruskington Retail Ltd | Wholesale & retail | 2025 |
| Russell Aerospace Limited | Information & communication | 1999 |
| Russell Consulting Limited | Information & communication | 2003 |
| Russell GAS Limited | Construction | 2019 |
| Russell Group Limited | Information & communication | 1999 |
| Russell Internet Services Limited | Information & communication | 1999 |
| Russell Investments (1991) Limited | Professional & scientific | 1991 |
| Russell Property Centred Solutions Ltd | Real estate | 2022 |
| Russell UP Events Limited | Administrative & support | 2018 |
| Russell Woodward Consultancy Ltd | Information & communication | 2019 |
| Rustic Tops | Financial services | 2016 |
| Rustic Vapez Ltd | Wholesale & retail | 2019 |
| Rusty Monkey Limited | Professional & scientific | 2002 |
| Ruth Medina Limited | Health & social care | 2026 |
| Ruth Sturt Ltd | Health & social care | 2019 |
| Rutland County Garden Furniture Ltd | Manufacturing | 2017 |
| Rutland Mill Limited | Administrative & support | 1989 |
| Rutland Ovenclean Limited | Hospitality | 2018 |
| Rutland Property Holdings Limited | Real estate | 2017 |
| Rutland Seven Ltd | Education | 2021 |
| Rutland Sports and Social Club Ltd | Real estate | 2010 |
| Rutte Ltd | Information & communication | 2025 |
| Rutyne Ltd | Wholesale & retail | 2025 |
| Ruwarashe Limited | Health & social care | 2014 |
| Ruwona C J Limited | Health & social care | 2015 |
| RV Investments and Consulting Ltd | Information & communication | 2015 |
| RV Kebab Ltd | Hospitality | 2025 |
| RV Lacey Ltd | Hospitality | 2022 |
| RVB Marketing Limited | Administrative & support | 2007 |
| RVH Kickboxing Limited | Education | 2026 |
| Rvive Wellness Club Ltd | Health & social care | 2025 |
| Rvtj Ltd | Information & communication | 2026 |
| RW Hughes Ltd | Construction | 2022 |
| RW New Builds Ltd | Construction | 2019 |
| RW Sales Consultancy Ltd | Professional & scientific | 2025 |
| RWB CA Limited | Professional & scientific | 2009 |
| RWB Financial Services Limited | Extraterritorial | 2021 |
| RWB Holdings Limited | Financial services | 2023 |
| RWB Trustees Limited | Financial services | 2014 |
| RWB Wealth Management Limited | Financial services | 2021 |
| RWC Estates Limited | Professional & scientific | 2015 |
| RWI Holdings Ltd | Financial services | 2025 |
| Rwrc Midlands Limited | Hospitality | 2025 |
| Rwrt Services Ltd | Information & communication | 2025 |
| RWS Clinics and Studios Ltd | Arts & recreation | 2025 |
| Rxplus Supplements Ltd | Wholesale & retail | 2025 |
| Rxzed Limited | Wholesale & retail | 2024 |
| Ryaheen & Co Ltd | Professional & scientific | 2021 |
| Ryall Catling Ltd | Transport & logistics | 2026 |
| Ryan & Smith Developments Limited | Extraterritorial | 2013 |
| Ryan Cornelius Design Ltd | Information & communication | 2025 |
| Ryan Hall Studios Ltd | Administrative & support | 2018 |
| Ryan Knight Developments Ltd | Construction | 2020 |
| Ryan Lettings and Services Limited | Construction | 2025 |
| Ryan Plumbing and Heating Nottingham Limited | Construction | 2021 |
| Ryan Services (Nottingham) Limited | Energy | 2013 |
| Ryan.C Holdings Ltd | Financial services | 2024 |
| Ryano Ltd | Information & communication | 2025 |
| Ryans Poultry and Meat Ltd | Wholesale & retail | 2022 |
| Ryburndale Paper Mills Company Limited.(The) | Professional & scientific | 1896 |
| Ryda Entertainment Ltd | Arts & recreation | 2026 |
| Ryder's Bar Ltd | Hospitality | 2025 |
| RYE (Nottingham) Limited | Real estate | 2015 |
| RYE Investments Ltd | Real estate | 2022 |
| RYG Limited | Wholesale & retail | 2009 |
| Ryhah Catering Limited | Hospitality | 2025 |
| Rykotek Ltd | Manufacturing | 2026 |
| Rylands Enterprise Limited | Real estate | 2018 |
| Rylands Flooring Distributors Limited | Wholesale & retail | 2001 |
| Rylands Property Ltd | Real estate | 2016 |
| Rylee Limited | Manufacturing | 2019 |
| Rympek. Ltd | Wholesale & retail | 2019 |
| Ryns Property Ltd | Households | 2026 |
| Rypc Holdings Limited | Manufacturing | 2012 |
| RYR Holdings Ltd | Financial services | 2024 |
| Ryterly Ltd | Information & communication | 2025 |
| Rytham Ltd | Health & social care | 2021 |
| Ryton Management Consultants Limited | Professional & scientific | 2012 |
| RZ Kendall Ltd | Transport & logistics | 2022 |
| RZB Enterprises Ltd | Manufacturing | 2026 |
| S & a 1 Ltd | Health & social care | 2018 |
| S & a Lawson Property Ltd | Real estate | 2025 |