| Rent House Production Limited | Wholesale & retail | 2020 |
| Rent in Leeds Ltd | Real estate | 2025 |
| Rent My Ride Ltd | Administrative & support | 2025 |
| Rent the PUB Limited | Hospitality | 2012 |
| Rent With Ease Ltd | Real estate | 2018 |
| Renta Mechanic Ltd | Wholesale & retail | 2022 |
| Rentabl Limited | Real estate | 2016 |
| Rentclear Ltd | Information & communication | 2026 |
| Rentequip UK Limited | Administrative & support | 2008 |
| Rentfurb Ltd | Construction | 2025 |
| Rentmindr Ltd | Real estate | 2025 |
| Rentology Properties Management Ltd | Real estate | 2025 |
| Rentwise Leeds Ltd | Professional & scientific | 2019 |
| Renu Syndrome UK Ltd | Other services | 2026 |
| Renwick Property Developments Limited | Construction | 2009 |
| Reorg Consultancy Ltd | Professional & scientific | 2024 |
| Reorg Operations Ltd | Health & social care | 2026 |
| REP Hypr Limited | Wholesale & retail | 2025 |
| REP6 Ltd | Arts & recreation | 2021 |
| Repairs Service & Integration Solutions Ltd | Manufacturing | 2022 |
| Reparto Limited | Professional & scientific | 2004 |
| REPIXEL8 Ltd | Information & communication | 2019 |
| Replacement BAG Filters Limited | Manufacturing | 2002 |
| Reporter Building Limited | Real estate | 2025 |
| Repos Solutions Ltd | Information & communication | 2017 |
| Republic Fashions Ltd | Wholesale & retail | 2023 |
| Republic North Studio Limited | Professional & scientific | 2026 |
| RES Electronics Ltd | Wholesale & retail | 2017 |
| Resa GP LLP | | 2022 |
| Resa GP Management LLP | | 2022 |
| Resa GP NO.1 Limited | Financial services | 2022 |
| Resa Holdings (UK) Ltd | Financial services | 2023 |
| Resa Portugal 1 Ltd | Financial services | 2024 |
| Resa Portugal 2 Ltd | Financial services | 2024 |
| Resal 1 Limited | Real estate | 2026 |
| Resbona Homes Ltd | Real estate | 2026 |
| Rescue My Lemon Ltd | Information & communication | 2019 |
| Research Bods Limited | Professional & scientific | 2011 |
| Research for Action Ltd | Professional & scientific | 2017 |
| Resell Retailer Limited | Wholesale & retail | 2022 |
| Reservepro Limited | Wholesale & retail | 1994 |
| Reservepro Trustee Ltd | Other services | 2018 |
| Reset & Recover Ltd | Health & social care | 2025 |
| Reset Pathways Ltd | Professional & scientific | 2026 |
| Reshaped Spaces Limited | Real estate | 2024 |
| Residence 17 Ltd | Real estate | 2019 |
| Residenz Limited | Professional & scientific | 2016 |
| Residual Properties Ltd | Real estate | 2013 |
| Resilience Estates Limited | Real estate | 2024 |
| Resilient Cyber Security Solutions Ltd | Information & communication | 2018 |
| Resimanagement Limited | Real estate | 2012 |
| Resinfloorcoatingsuk.Com Limited | Construction | 2010 |
| Resistant Material Studio Ltd. | Professional & scientific | 2021 |
| Resolis Limited | Administrative & support | 2021 |
| Resolute (Leeds) Limited | Real estate | 2017 |
| Resolute 2 (Leeds) Limited | Real estate | 2012 |
| Resolute AAG Consulting Ltd | Professional & scientific | 2026 |
| Resolute Forever Logistics Ltd | Transport & logistics | 2025 |
| Resolve Heating and GAS Ltd | Construction | 2022 |
| Resonance Audiology Services Limited | Health & social care | 2017 |
| Resonance UK Wind II Limited | Financial services | 2021 |
| Resort Services Limited | Hospitality | 2026 |
| Resource Print Solutions Limited | Professional & scientific | 2003 |
| Resourceful Ruth Solutions Ltd | Administrative & support | 2026 |
| Resourceful VA Ltd | Administrative & support | 2025 |
| Resourcely Analytics Ltd | Information & communication | 2026 |
| Respiro Diagnostics Limited | Professional & scientific | 2025 |
| Response Ambulance Service Ltd | Other services | 2019 |
| Response Fluid Power Services Ltd | Manufacturing | 2012 |
| Response Maintenance Ltd | Administrative & support | 2021 |
| Response Mortgage Services Ltd | Financial services | 2005 |
| Response-Able Travel Ltd | Transport & logistics | 2024 |
| Resq Automotive Ltd | Wholesale & retail | 2026 |
| Resq Systems Ltd | Manufacturing | 2025 |
| Resq Tyres & Recovery Ltd | Wholesale & retail | 2025 |
| Restart London Ltd | Manufacturing | 2026 |
| Restaurant 350 Limited | Hospitality | 2025 |
| Restaurant Chocolates Ltd | Wholesale & retail | 2012 |
| Restaurant, Retail & Bar Lifts Ltd | Professional & scientific | 2017 |
| Resto Bespoke Comfort Ltd | Manufacturing | 2026 |
| Resto JET Limited | Administrative & support | 2024 |
| Restoraclean Ltd | Administrative & support | 2025 |
| Restoral Health Ltd | Administrative & support | 2016 |
| Restoration Fellowship Church Ltd | Other services | 2008 |
| Restore Control Ltd | Professional & scientific | 2019 |
| Restore Smart Repairs Ltd | Wholesale & retail | 2025 |
| RESTORE7 Ltd | Health & social care | 2013 |
| Restorer Global Limited | Administrative & support | 2020 |
| Restoring Solace CIC | Administrative & support | 2025 |
| Restrap Limited | Manufacturing | 2012 |
| Restring in Leeds Limited | Arts & recreation | 2016 |
| Resurrected Bites Community Interest Company | Hospitality | 2019 |
| Retail Computer Solutions Limited | Information & communication | 1989 |
| Retail East Riding Limited | Wholesale & retail | 2019 |
| Retail Express (Holdings) Limited | Information & communication | 2014 |
| Retail Express Limited | Information & communication | 2011 |
| Retail Gridz Ltd | Wholesale & retail | 2025 |
| Retail House Hull Ltd | Wholesale & retail | 2026 |
| Retail Project Management Solutions Limited | Professional & scientific | 2013 |
| Retail Vanguard Ltd | Information & communication | 2026 |