| Royel Pizza and Fish Ltd | Hospitality | 2024 |
| Royella Ltd | Wholesale & retail | 2021 |
| Royland Industries Ltd | Wholesale & retail | 2024 |
| Royston & Lund Estate Agents Ltd | Real estate | 2001 |
| Royton Bidco Limited | Financial services | 2019 |
| Royton Holdco Limited | Financial services | 2019 |
| Royton Midco Limited | Financial services | 2019 |
| ROZ Kantzioura Limited | Health & social care | 2020 |
| Rozdera Ltd | Health & social care | 2014 |
| Rozylife Care Ltd | Health & social care | 2026 |
| RP Bar & Grill Ltd | Hospitality | 2025 |
| RP Business Support Ltd | Professional & scientific | 2021 |
| RP Financial Partners Limited | Financial services | 2025 |
| RP Joinery Services Limited | Construction | 2007 |
| RP Medical Services Limited | Health & social care | 2011 |
| RP Pharms Limited | Wholesale & retail | 2008 |
| RP Podiatry Ltd | Health & social care | 2021 |
| RP Recruitment Group Ltd | Administrative & support | 2024 |
| RP4U Ltd | Real estate | 2026 |
| RP67 Limited | Administrative & support | 2022 |
| RPA (Woodthorpe) Limited | Health & social care | 2021 |
| RPB Properties Limited | Real estate | 2007 |
| Rpcn Properties Ltd | Real estate | 2024 |
| RPD Notts Limited | Real estate | 2022 |
| RPE (Notts) Limited | Wholesale & retail | 2021 |
| RPG Consultancy Limited | Professional & scientific | 2019 |
| RPK Interiors (Nottingham) Limited | Construction | 2023 |
| Rpla Consultancy Ltd | Professional & scientific | 2022 |
| RPM Accountancy Services Limited | Professional & scientific | 2016 |
| RPM Electrical Services Limited | Construction | 2021 |
| RPN Solutions Limited | Information & communication | 2020 |
| Rprf Limited | Manufacturing | 2006 |
| RPS Marketing Limited | Wholesale & retail | 2020 |
| RPZ Consultancy Ltd | Information & communication | 2019 |
| RQ Foods Ltd | Hospitality | 2025 |
| RR Automotive Nottingham Ltd | Wholesale & retail | 2026 |
| RR Cabs Ltd | Wholesale & retail | 2025 |
| RR Freehold Limited | Other services | 2011 |
| RR Motors Nottingham Limited | Wholesale & retail | 2024 |
| RR Scrap Ltd | Wholesale & retail | 2020 |
| RRB Developments Ltd | Construction | 2021 |
| RRB Electrical Ltd | Construction | 2021 |
| RRC Consulting Services Ltd | Information & communication | 2016 |
| RRC Management Limited | Professional & scientific | 2013 |
| RRC Studio Ltd | Other services | 2025 |
| RRG Services Limited | Construction | 2017 |
| Rrise Ltd | Health & social care | 2024 |
| RRK & SK Partners Ltd | Real estate | 2025 |
| RRK Holdings Limited | Financial services | 2020 |
| Rrpe Limited | Real estate | 2017 |
| RRR Aesthetics Ltd | Other services | 2022 |
| Rrro Renewable Solutions Ltd | Manufacturing | 2019 |
| Rrrr Properties Ltd | Real estate | 2026 |
| Rruk Ltd | Transport & logistics | 2025 |
| RRW Freehold Ltd | Households | 2025 |
| RS Air CON Ltd | Energy | 2025 |
| RS Car Care Ltd | Other services | 2020 |
| RS Carpentry Solutions Limited | Manufacturing | 2023 |
| RS Electrical (Nottingham) Limited | Construction | 2014 |
| RS Fleet Limited | Transport & logistics | 2024 |
| RS Holdings Nottingham Limited | Real estate | 2018 |
| RS Lallian Properties LLP | | 2023 |
| RS Logistics Group Ltd | Transport & logistics | 2021 |
| RS Media Digital Limited | Professional & scientific | 2016 |
| RS Media Photography Ltd | Information & communication | 2020 |
| RS Motors (Nottingham) Ltd | Wholesale & retail | 2020 |
| RS Nottingham Developments Limited | Construction | 2024 |
| RS Nottingham Property Management Ltd | Real estate | 2021 |
| RS Plumbing Heating & GAS Services Limited | Construction | 2019 |
| RS Properties (Nottingham) Limited | Real estate | 2018 |
| RS Property Services (Midlands) Ltd | Real estate | 2022 |
| RS Sport and Leisure Limited | Education | 2021 |
| RS Textile Consultancy Ltd | Professional & scientific | 2019 |
| Rs&S Ltd | Hospitality | 2025 |
| RS9ENT Limited | Health & social care | 2024 |
| Rsaj Trade Ltd | Wholesale & retail | 2020 |
| Rsan Bidco Limited | Financial services | 2023 |
| Rsan Topco Limited | Financial services | 2023 |
| Rsav Ltd | Other services | 2022 |
| RSB Creative Studios Ltd | Wholesale & retail | 2021 |
| RSB Professional Services Limited | Other services | 2009 |
| RSC Group Ltd | Transport & logistics | 2021 |
| Rsda Properties Ltd | Real estate | 2021 |
| Rsdb Properties Ltd | Real estate | 2024 |
| Rsgd Property Services Ltd | Real estate | 2023 |
| RSH & CP Company Limited | Households | 2006 |
| Rsib Assets Limited | Extraterritorial | 2016 |
| RSJ Joinery Services Limited | Construction | 2017 |
| RSK Cleaning Service Ltd | Administrative & support | 2026 |
| Rskt Limited | Wholesale & retail | 2025 |
| RSL Property Services Limited | Real estate | 2011 |
| RSM Strategies Ltd | Professional & scientific | 2025 |
| RSO Properties Limited | Real estate | 2017 |
| Rsoa Ltd | Information & communication | 2013 |
| Rspt Properties Limited | Real estate | 2021 |
| RSR Auto Salvage Limited | Water & waste | 2024 |
| RSR Capital Limited | Real estate | 2023 |
| RSS Construction Nottingham Limited | Construction | 2023 |
| RSS Energy Services Limited | Construction | 2022 |
| Rssl Consultancy Ltd | Information & communication | 2015 |