| RP Optom Ltd | Health & social care | 2022 |
| RP Painting Limited | Wholesale & retail | 2026 |
| RP Technical Solutions Ltd | Information & communication | 2016 |
| RPH Plumbing & Heating Ltd | Construction | 2019 |
| RPI Building Ltd | Construction | 2024 |
| RPL Property Holdings Limited | Real estate | 2017 |
| RPM Property Investments Ltd | Real estate | 2024 |
| RPP Processing Limited | Administrative & support | 2025 |
| RPS Accountants Ltd | Professional & scientific | 2020 |
| RPS Concepts Ltd | Construction | 2024 |
| RPS Cooling UK Limited | Manufacturing | 2022 |
| RPS Technical Authoring Ltd | Professional & scientific | 2024 |
| Rpsp Limited | Health & social care | 2022 |
| RR Energy Solutions Ltd | Construction | 2023 |
| RR Golf Days Limited | Arts & recreation | 2022 |
| RR Investments Midlands Ltd | Real estate | 2025 |
| RRC E-Com Ltd | Wholesale & retail | 2021 |
| RRC Tech Private Limited | Information & communication | 2025 |
| RRK Courier Ltd | Transport & logistics | 2019 |
| RRL Investment Ltd | Real estate | 2023 |
| Rrmh Ltd | Health & social care | 2025 |
| RRP Evolution Limited | Real estate | 2020 |
| RRR & Co Brothers Limited | Information & communication | 2026 |
| RRS Investments Ltd | Real estate | 2024 |
| Rrsa Limited | Real estate | 2019 |
| Rrsj Limited | Real estate | 2025 |
| Rrss Transport Ltd | Transport & logistics | 2021 |
| RS & RK Ltd | Information & communication | 2022 |
| RS Access Ltd | Administrative & support | 2015 |
| RS Bobyshop Ltd | Other services | 2019 |
| RS Capital Investments Limited | Financial services | 2020 |
| RS Construction Leicester Ltd | Construction | 2022 |
| RS Developments (Leicester) Limited | Real estate | 2018 |
| RS Garment London Ltd | Wholesale & retail | 2025 |
| RS Glass & Glazing Limited | Manufacturing | 2020 |
| RS Horizon Investments Ltd | Real estate | 2025 |
| RS Jersey Textile Ltd | Manufacturing | 2017 |
| RS Kotak Investments Ltd | Real estate | 2017 |
| RS Management Consultant Ltd | Professional & scientific | 2024 |
| RS Online Distributors Limited | Manufacturing | 2016 |
| RS Property Management Ltd | Real estate | 2025 |
| RS Transport MK Ltd | Transport & logistics | 2020 |
| RS25V Ltd | Transport & logistics | 2025 |
| RSA Carisbrooke Properties Limited | Real estate | 2026 |
| RSA Commercial Services Ltd | Wholesale & retail | 2021 |
| RSA Maintenance Limited | Administrative & support | 2009 |
| RSB Construction Limited | Construction | 2016 |
| RSB Promotions Group Limited | Wholesale & retail | 2019 |
| RSC Building Services Ltd | Construction | 2024 |
| RSC Education Limited | Real estate | 2022 |
| RSD Hygiene Services Limited | Health & social care | 2017 |
| RSD Property Ltd | Real estate | 2020 |
| RSE Investments Ltd | Professional & scientific | 2014 |
| Rsearchr Limited | Financial services | 2015 |
| Rsek Ltd | Financial services | 2021 |
| Rses Global Stays Ltd | Hospitality | 2025 |
| RSG Management Ltd | Real estate | 2021 |
| RSH Dynamix Ltd | Professional & scientific | 2026 |
| RSI Autos Limited | Wholesale & retail | 2023 |
| RSJ Autos Ltd | Wholesale & retail | 2021 |
| RSJ Properties (UK) Limited | Real estate | 2014 |
| RSJ Property Assets Ltd | Real estate | 2026 |
| RSJ Retail Stores Limited | Wholesale & retail | 2025 |
| Rsjb Limited | Hospitality | 2013 |
| RSK & Sons Properties Ltd | Real estate | 2024 |
| RSK Commercial Services Ltd | Other services | 2024 |
| RSK Invest Ltd | Real estate | 2026 |
| RSK Legal Ltd | Professional & scientific | 2022 |
| RSK Systems Limited | Information & communication | 1996 |
| RSL Asphalt Ltd | Manufacturing | 2018 |
| RSL Consultants Ltd | Professional & scientific | 2016 |
| RSL Consulting & Business Transformation Ltd | Professional & scientific | 2018 |
| Rslj Ltd | Hospitality | 2024 |
| RSM Bars Limited | Hospitality | 2024 |
| RSM Caterers Limited | Wholesale & retail | 2012 |
| RSM Fabrications Limited | Manufacturing | 2016 |
| RSM Kingsley Ltd | Wholesale & retail | 2019 |
| RSM Leicester Limited | Wholesale & retail | 2012 |
| RSM Property Management Limited | Real estate | 2012 |
| Rsmv Properties Ltd | Real estate | 2024 |
| RSN UK Property Ltd | Real estate | 2026 |
| Rsnahal Ltd | Transport & logistics | 2019 |
| RSP Estate & Lettings Ltd | Construction | 2020 |
| RSP International Ltd | Professional & scientific | 2022 |
| RSP Landscapes Limited | Construction | 2007 |
| Rspca Woodside Trading Limited | Wholesale & retail | 2025 |
| RSR Lettings & Estates Ltd | Real estate | 2025 |
| RSR Property Group Ltd | Real estate | 2025 |
| RSR Security Services Ltd | Administrative & support | 2021 |
| Rsrs Logistics Ltd | Wholesale & retail | 2025 |
| RSS & SON Ltd | Real estate | 2024 |
| RSS Accounting Solutions Limited | Professional & scientific | 2013 |
| RSS Capital Limited | Real estate | 2018 |
| RSS Direct Limited | Wholesale & retail | 2025 |
| RSS Estate Limited | Hospitality | 2011 |
| RSS Global Logistics Ltd | Transport & logistics | 2026 |
| RST Distribution Ltd | Other services | 2025 |
| RST Mining and Logistics UK Ltd | Extraterritorial | 2015 |
| RST Projects Limited | Administrative & support | 2017 |
| Rsult UK Limited | Information & communication | 2017 |