| Rlg-Innovations Limited | Manufacturing | 2019 |
| RM Accountancy Solutions Limited | Professional & scientific | 2016 |
| RM Electrical Inc Ltd | Construction | 2024 |
| RM PUB Management Ltd | Hospitality | 2025 |
| RMC Public Affairs Ltd | Professional & scientific | 2022 |
| RMK Holdings Group Ltd | Real estate | 2021 |
| RMR Electrical Limited | Construction | 2008 |
| RNB Property Developments Ltd | Real estate | 2020 |
| RND Renewables Limited | Wholesale & retail | 2025 |
| RND5 Ltd | Professional & scientific | 2023 |
| Rndh Ltd | Health & social care | 2019 |
| RNG GAS Services Limited | Construction | 2021 |
| RNP Solutions Limited | Health & social care | 2013 |
| Road Rollers Limited | Construction | 2021 |
| Robert Bakewell Playgroup Limited | Education | 2010 |
| Robert Bakewell Primary School | Education | 2012 |
| Robert Gradon & Co Limited | Professional & scientific | 2008 |
| Robert Harper Decorators Ltd | Construction | 2016 |
| Robert Newbold & Sons Ltd | Wholesale & retail | 2013 |
| Robert Watson Investments Limited | Real estate | 2011 |
| Roberts & Gray Limited | Other services | 2018 |
| Roberts & Lyons (North West) Limited | Construction | 2014 |
| Roberts and Lyons (Holdings) Limited | Financial services | 2024 |
| Roberts Highway Consultants Limited | Transport & logistics | 2022 |
| Robertsons Homes (East Midlands) Ltd | Construction | 2026 |
| Robust Infotech Limited | Information & communication | 2007 |
| Rock Advertising and Events Limited | Real estate | 1997 |
| Rock Ales Ltd | Hospitality | 2021 |
| Rock Asset Holdings Ltd | Real estate | 2024 |
| Rock Holdings Group Ltd | Other services | 2025 |
| Rock View Close Management Limited | Households | 2016 |
| Rockhaus Developments Limited | Professional & scientific | 2016 |
| Rockhaus Holdings Limited | Professional & scientific | 2017 |
| Rockhaus Ltd | Construction | 2018 |
| Rockhopper Restaurants Limited | Hospitality | 2015 |
| Rockhoppers (UK) Limited | Hospitality | 2013 |
| Rocks IT Limited | Other services | 2023 |
| Rocorsa Limited | Arts & recreation | 2019 |
| Roecliffe Contractor Services Limited | Professional & scientific | 2026 |
| Roecliffe Properties Ltd | Real estate | 2021 |
| Roeni Limited | Hospitality | 2017 |
| Roger James Limited | Construction | 2003 |
| Rolenski Property Limited | Real estate | 2023 |
| Roles and Goals Sustainable Hospitality Ltd | Administrative & support | 2013 |
| Roofs & Walls Trustees Limited | Administrative & support | 2024 |
| Room of Games Ltd | Arts & recreation | 2014 |
| Roos AMZ Ltd | Wholesale & retail | 2026 |
| Roots Autism Consultancy Ltd | Education | 2022 |
| Roots Insurance Brokers Limited | Financial services | 2020 |
| Rosarium Heights (Ashbourne) Limited | Households | 2023 |
| Rose Alchemy CIC | Education | 2023 |
| Rose Blossom Childcare Ltd | Health & social care | 2019 |
| Rose Cottage Rest Home Ltd | Health & social care | 2025 |
| Rose Francis Events Ltd | Professional & scientific | 2022 |
| Rosebuds Care Ltd | Health & social care | 2023 |
| Rosewater Restaurant Limited | | 2012 |
| Rosewood Enterprises LLP | | 2012 |
| Roshelia Ltd | Wholesale & retail | 2026 |
| Rosieresells Limited | Wholesale & retail | 2026 |
| Roslyn Court Management Company Limited | Real estate | 2003 |
| Ross Morrison Print Limited | Wholesale & retail | 2003 |
| Ross W Birkle Limited | Water & waste | 2015 |
| Rotise Ltd | Hospitality | 2026 |
| Route 5 Construction Services Ltd | Professional & scientific | 2017 |
| Rowbank Properties Ltd | Real estate | 2023 |
| Rowbotham Decorative Flooring Limited | Construction | 1978 |
| Rowena Properties Limited | Real estate | 2017 |
| Rowston Limited | Real estate | 1998 |
| Roxbury Legal Limited | Professional & scientific | 2023 |
| RP Digital Ltd | Professional & scientific | 2020 |
| RP Sales Limited | Wholesale & retail | 2014 |
| RR Plumbing Ltd | Construction | 2024 |
| RR Private Ltd | Wholesale & retail | 2025 |
| RRB Projects Ltd | Construction | 2023 |
| RRT Ventures Ltd | Real estate | 2024 |
| RS Amrutham Limited | Wholesale & retail | 2026 |
| RS Painting Services Ltd | Construction | 2025 |
| RS Protocols Ltd | Wholesale & retail | 2026 |
| RSJ Property Rentals Ltd | Real estate | 2020 |
| RSJ Roofing Ltd | Construction | 2016 |
| Rssj Holdings Ltd | Financial services | 2026 |
| RTI Solutions LLP | | 2025 |
| RTS Hospitality Ltd | Hospitality | 2018 |
| Ruby Racing Limited | Information & communication | 2024 |
| Running Trips Ltd | Administrative & support | 2018 |
| Runthrough Coach Ltd | Education | 2018 |
| Ruparelia Health and Education Limited | Health & social care | 2021 |
| Rural Building Supplies Limited | Wholesale & retail | 2003 |
| Rural Leisure Limited | Hospitality | 2024 |
| Rural Trader (UK) Limited | Professional & scientific | 2010 |
| Rushcliffe & Charnwood Renewable Energy Ltd | Construction | 2025 |
| Rushcliffe Adult Care Holdings Limited | Financial services | 2021 |
| Rushcliffe Care Group Limited | Financial services | 2021 |
| Rushcliffe Care Holdings Limited | Financial services | 2015 |
| Rushcliffe Care Limited | Health & social care | 1992 |
| Rushcliffe Care Services Limited | Administrative & support | 2021 |
| Rushcliffe Golf Links Company,Limited(The) | Arts & recreation | 1910 |
| Rushcliffe Independent Hospitals (Aberavon) Limited | Health & social care | 2006 |
| Rushcliffe Independent Hospitals (Kegworth) Limited | Health & social care | 2017 |
| Rushcliffe Independent Hospitals Limited | Financial services | 2009 |