| Retailer Amersham 067 Limited | Real estate | 2016 |
| Retailer Belfast 174 Ltd | Wholesale & retail | 2024 |
| Retailer Chester 012 Limited | Real estate | 2016 |
| Retailer Cirencester 137 Limited | Real estate | 2016 |
| Retailer Harrogate 002 Ltd | Real estate | 2016 |
| Retailer Henley 125 Limited | Real estate | 2016 |
| Retailer Ilkley 006 Limited | Real estate | 2016 |
| Retailer Manchester 027 Limited | Real estate | 2016 |
| Retailer Marlow 165 Limited | Wholesale & retail | 2021 |
| Retailer Norwich 179 Ltd | Wholesale & retail | 2024 |
| Retailer York 017 Limited | Real estate | 2016 |
| Retas Leeds | Education | 2007 |
| Retero Developments (Wesley) Limited | Real estate | 2007 |
| Retford Memorials Ltd | Other services | 2021 |
| Retha Homes Limited | Real estate | 2023 |
| Rethink Food CIC | Hospitality | 2018 |
| Rethink Maths Limited | Education | 2025 |
| Retirement Systems Ltd | Financial services | 2014 |
| Retirement Technology Limited | Information & communication | 2024 |
| Retreat 2 Rebirth Project CIC | Health & social care | 2022 |
| Retreatly Limited | Real estate | 2024 |
| Retreatme Ltd | Arts & recreation | 2024 |
| Retro Capital Ltd | Information & communication | 2025 |
| Retro Events Limited | Wholesale & retail | 2015 |
| Retro Footy Shirts Ltd | Wholesale & retail | 2012 |
| Retro Retail Limited | Wholesale & retail | 2017 |
| Retro Rips Ltd | Wholesale & retail | 2023 |
| Retro V8 Limited | Wholesale & retail | 2016 |
| Retrocollect LLP | | 2010 |
| Retrofit Consultancy Limited | Construction | 2021 |
| Retrotorque Limited | Information & communication | 2010 |
| Retta Group Ltd | Administrative & support | 2023 |
| Reuben James Group Ltd | Administrative & support | 2020 |
| Reubens Beerhouse Limited | Hospitality | 2020 |
| Reunion PAY Ltd | Professional & scientific | 2014 |
| Reusably Limited | Water & waste | 2025 |
| Reuse Racking & Shelving Limited | Construction | 2025 |
| REV UP Motors Ltd | Wholesale & retail | 2025 |
| Revaan Ltd | Construction | 2022 |
| Revabuild Limited | Construction | 2021 |
| Revamp Interiors Limited | Construction | 2006 |
| Revamp Performance Ltd | Wholesale & retail | 2026 |
| Reveal Ltd. | Construction | 2013 |
| Revelop Properties Limited | Real estate | 2023 |
| Revenue Guard Consultancy Limited | Professional & scientific | 2026 |
| Revenue Management Society Limited | Professional & scientific | 2007 |
| Revenueboost Solutions Ltd | Professional & scientific | 2025 |
| Rever Offshore Europe Limited | Financial services | 2018 |
| Rever Offshore International Limited | Mining & quarrying | 2010 |
| Rever Offshore Vessel Management Limited | Financial services | 2018 |
| Revere Sport Ltd | Wholesale & retail | 2016 |
| Revia Ltd | Financial services | 2025 |
| Reviera Consulting Ltd | Information & communication | 2018 |
| Review My Claim Limited | Professional & scientific | 2012 |
| Review My Lease Limited | Extraterritorial | 2013 |
| Review My Will Limited | Extraterritorial | 2013 |
| Revise Good Limited | Information & communication | 2025 |
| Revita Rooms Ltd | Arts & recreation | 2025 |
| Revitaglaze Limited | Transport & logistics | 2006 |
| Revitalise ME (Yorkshire) Limited | Health & social care | 2012 |
| Revitalise Minds Limited | Health & social care | 2019 |
| Revival Hospitality Limited | Hospitality | 2021 |
| Revival Skin and Beauty Ltd | Other services | 2021 |
| Revive 365 Ltd | Construction | 2026 |
| Revive Management Company Limited | Households | 2007 |
| Revive Reuse Community Interest Company | Wholesale & retail | 2010 |
| Revived Clothing UK Ltd | Wholesale & retail | 2026 |
| Revivers Software Limited | Information & communication | 2023 |
| Revivus Recycling CIC | Water & waste | 2023 |
| Revivus Waste Management Limited | Water & waste | 2024 |
| Revnotech Limited | Information & communication | 2023 |
| Revo Living Limited | Manufacturing | 2024 |
| Revodyssey Ltd | Professional & scientific | 2024 |
| Revolution Holdings Limited | Professional & scientific | 2004 |
| Revolution Viewing Ltd | Professional & scientific | 2004 |
| Revolutionary Displays Limited | Wholesale & retail | 2014 |
| Revolv Solutions Limited | Professional & scientific | 2022 |
| Reward Asset Finance Limited | Financial services | 2022 |
| Reward Capital (a) Limited | Financial services | 2021 |
| Reward Capital Finance LLP | | 2011 |
| Reward Capital Limited | Financial services | 2015 |
| Reward Commercial Finance LLP | | 2011 |
| Reward Estate Planning Limited | Professional & scientific | 2017 |
| Reward Finance Group Limited | Financial services | 2010 |
| Reward Investments Limited | Financial services | 2015 |
| Reward Invoice Finance (a) Limited | Financial services | 2021 |
| Reward Invoice Finance Limited | Financial services | 2015 |
| Reward Junction Ltd | Information & communication | 2023 |
| Reward Recruitment Limited | Administrative & support | 2009 |
| Reward SPV1 Limited | Financial services | 2019 |
| Reward SPV2 Limited | Financial services | 2020 |
| Reward SPV4 Limited | Financial services | 2023 |
| Rewardloop Ltd | Information & communication | 2024 |
| Rewind Campers Ltd | Other services | 2020 |
| Rewind Industries Limited | Professional & scientific | 2003 |
| REX Property Investment Limited | Real estate | 2023 |
| REY Parcel Solutions Ltd | Transport & logistics | 2025 |
| Reyan Real Estate Ltd | Real estate | 2025 |
| Reyansh Asset Management Limited | Real estate | 2024 |
| Reyansh Consultancy Ltd | Information & communication | 2021 |