| Riveroo Concrete Ltd | Construction | 2024 |
| Riveroo Holdings Ltd | Real estate | 2024 |
| Riveroo Ltd | Construction | 2018 |
| Riverpool Limited | Real estate | 2019 |
| Riverside Building Services Limited | Construction | 2005 |
| Riverside Cleaners Ltd | Other services | 2014 |
| Riverside Consultancy Services Limited | Other services | 2001 |
| Riverside Couriers Limited | Other services | 2020 |
| Riverside Design Limited | Professional & scientific | 2022 |
| Riverside Developments (NW) Ltd | Real estate | 2018 |
| Riverside Environmental Professional Services Ltd. | Professional & scientific | 2025 |
| Riverside Estuary Limited | Real estate | 2000 |
| Riverside Finance PLC | Financial services | 2014 |
| Riverside Financial Mortgage & Investment Brokers Limited | Financial services | 2006 |
| Riverside Group Pension Trustees Limited | Administrative & support | 1978 |
| Riverside News Convenience Store Ltd | Wholesale & retail | 2024 |
| Riverside Print Ltd | Manufacturing | 2020 |
| Riverside Regeneration (Bromley) Ltd | Construction | 2019 |
| Riverside Regeneration (Lambeth) Limited | Construction | 2019 |
| Riverside Regeneration (Southwark) Limited | Construction | 2022 |
| Riverside Regeneration Limited | Administrative & support | 2001 |
| Riverside Removals Liverpool Ltd | Transport & logistics | 2024 |
| Riverside Services Management Ltd | Water & waste | 2020 |
| Riverside Services Merseyside Ltd | Administrative & support | 2002 |
| Riverside Surfacing Limited | Construction | 2020 |
| Riverside Workplace Trust Limited | Other services | 2023 |
| Riverslea Management Company Limited | Households | 2008 |
| Riverson Holdings Ltd | Real estate | 2020 |
| Riverstone Care & Community Services Ltd | Health & social care | 2025 |
| Riverview Development Trust Limited | Professional & scientific | 2017 |
| Riviera Restaurant Ltd | Hospitality | 2018 |
| Rivington Properties Management Limited | Real estate | 2003 |
| Rivo Plumbing Ltd | Construction | 2025 |
| Riwo Property Ltd | Real estate | 2019 |
| RIX Sound Ltd | Information & communication | 2026 |
| Rixton and Warburton Bridge Company Limited | Transport & logistics | 2021 |
| Riya Clinic Ltd | Health & social care | 2019 |
| Rizal Ltd | Information & communication | 2025 |
| Rizaone Ltd | Hospitality | 2026 |
| Rizq Marketing Limited | Wholesale & retail | 2021 |
| Rizz Property Solutions Limited | Hospitality | 2025 |
| RJ Design (NW) Limited | Construction | 2013 |
| RJ Designs Ltd | Wholesale & retail | 2026 |
| RJ Electrical Services (Yorkshire) Limited | Construction | 2025 |
| RJ Food Hub Ltd | Hospitality | 2024 |
| RJ Management Solutions Ltd | Construction | 2022 |
| RJ Martin Engineering Limited | Administrative & support | 2007 |
| RJ Mersey Limited | Construction | 2026 |
| RJ Property Management (North West) Limited | Real estate | 2024 |
| RJ Rendering Ltd | Construction | 2023 |
| Rj&T Housing Group Ltd | Construction | 2023 |
| RJA Electrical Contractors Ltd | Construction | 2017 |
| RJA Investment Property Limited | Real estate | 2020 |
| RJC Joinery Ltd. | Construction | 2003 |
| RJD Transport Solutions Ltd | Transport & logistics | 2012 |
| RJD Window and Door Fitters Ltd | Construction | 2026 |
| Rjea Limited | Hospitality | 2025 |
| RJF Accountants Ltd | Professional & scientific | 2021 |
| RJH Associates Ltd | Professional & scientific | 2002 |
| RJH Ventures Limited | Professional & scientific | 2025 |
| RJI Care Ltd | Health & social care | 2025 |
| RJJ Elec Limited | Construction | 2026 |
| RJJ Solutions Ltd | Health & social care | 2023 |
| Rjjt Properties Ltd | Real estate | 2024 |
| RJL Cleaning Limited | Administrative & support | 2025 |
| RJL Consulting Ltd | Education | 2024 |
| Rjls Properties Ltd | Real estate | 2022 |
| RJM Car Sales NW Ltd | Wholesale & retail | 2025 |
| Rjows Limited | Other services | 2019 |
| RJP Executive Travel Ltd | Transport & logistics | 2025 |
| RJS Aviation Limited | Transport & logistics | 2021 |
| RJS Ec&I Ltd | Construction | 2020 |
| RJS Electrical Compliance Ltd | Construction | 2019 |
| RJW Electrical Services Ltd | Construction | 2021 |
| RJW PM Ltd | Households | 2026 |
| RJW Properties & Maintenance Limited | Real estate | 2018 |
| RK Auditing Ltd | Professional & scientific | 2012 |
| RK Auto Ltd | Wholesale & retail | 2023 |
| RK Building Ltd | Construction | 2024 |
| RK Construction Works Ltd | Construction | 2025 |
| RK Decor Limited | Construction | 2022 |
| RK Foodz Ltd | Wholesale & retail | 2026 |
| RK Homez & Hotelz Ltd | Real estate | 2025 |
| RK Liverpool Ltd | Wholesale & retail | 2024 |
| RK Living Limited | Real estate | 2026 |
| RK Tax Advisors Limited | Professional & scientific | 2024 |
| RK Trading (NW) Ltd | Wholesale & retail | 2024 |
| RK Winnerz Ltd | Wholesale & retail | 2021 |
| RK3 Ltd | Hospitality | 2020 |
| RKA Property Group Ltd | Real estate | 2024 |
| Rkaconsultants Ltd | Professional & scientific | 2024 |
| RKD Beds Limited | Wholesale & retail | 2012 |
| RKD Management Ltd | Financial services | 2011 |
| Rkinc Ltd | Wholesale & retail | 2025 |
| RKL Plumbing & Heating Ltd | Construction | 2024 |
| RKM 1 Limited | Professional & scientific | 2019 |
| Rkminvestors Limited | Financial services | 2015 |
| RKP Premium Care Ltd | Health & social care | 2024 |
| RKT Rail Ltd | Other services | 2024 |
| Rkwb Limited | Hospitality | 2021 |