| Rockezsum Ltd | Construction | 2018 |
| Rockstone Trading Limited | Wholesale & retail | 2024 |
| Rocky Fresh Produce Ltd | Wholesale & retail | 2011 |
| Rockys Partners Ltd | Administrative & support | 2017 |
| Rocon Properties Ltd | Real estate | 2005 |
| Rodan Building Contractors Ltd | Construction | 2022 |
| Roga 1478 Limited | Manufacturing | 2023 |
| Rogal Invest Ltd | Real estate | 2024 |
| Rohan Chityal Consulting Limited | Education | 2026 |
| Rohid Singh Ltd | Wholesale & retail | 2026 |
| Rohit Group Ltd | Hospitality | 2019 |
| Rohit Sharma Ltd | Wholesale & retail | 2025 |
| Roini Asset Management Ltd | Wholesale & retail | 2021 |
| Roistan Caterers Ltd | Hospitality | 2018 |
| Rolama Limited | Transport & logistics | 2022 |
| Rolandas Traders Ltd | Administrative & support | 2019 |
| Roly Logistics Ltd | Transport & logistics | 2020 |
| Roma Voice Centre CIC | Health & social care | 2022 |
| Roman Klocki Ltd | Transport & logistics | 2025 |
| Romanian Trade Giant Ltd | Wholesale & retail | 2019 |
| Romano Construction Limited | Construction | 2025 |
| Ronny Accountants Ltd | Professional & scientific | 2025 |
| Roof Diagnostics Ltd | Construction | 2024 |
| Roofix London Ltd | Construction | 2024 |
| ROOMS2HOMES Property Ltd | Real estate | 2017 |
| Roomscape Ltd | Real estate | 2025 |
| Rooster Software Ltd | Information & communication | 2022 |
| Rosario Wholesale Ltd | Other services | 2019 |
| Rose Attire Limited | Wholesale & retail | 2026 |
| Rose Attire London Ltd | Wholesale & retail | 2025 |
| Rosevil Limited | Information & communication | 2025 |
| Rosewood and Kraken Limited | Information & communication | 2022 |
| Rosey Bares Ltd Ltd | Wholesale & retail | 2025 |
| Roshni Investments Ltd | Real estate | 2023 |
| Roshni Logistics Ltd | Wholesale & retail | 2026 |
| Roshni Properties Investment Ltd | Real estate | 2023 |
| Roshni Property One Ltd | Real estate | 2020 |
| Roshni Sweets Ltd | Wholesale & retail | 2020 |
| Rosilina Ltd | Real estate | 2026 |
| Rosni Tech Ltd | Wholesale & retail | 2025 |
| Rossa Home Care Ltd | Health & social care | 2014 |
| ROTOPRECOVERY24/6 Ltd | Wholesale & retail | 2026 |
| Routine Advisors Ltd | Education | 2025 |
| Routine Link Ltd | Transport & logistics | 2022 |
| Rovar Universal Ltd | Wholesale & retail | 2025 |
| Rowner Retail Ltd | Wholesale & retail | 2026 |
| Rowsy Foundation Limited | Other services | 2015 |
| Rowsy International Limited | Transport & logistics | 2000 |
| Roxan Group Ltd | Wholesale & retail | 2026 |
| Royaal Palace Shawarma Hounslow Ltd | Hospitality | 2025 |
| Royale Patiala House Ltd | Hospitality | 2025 |
| Roycel Accountancy Limited | Professional & scientific | 2026 |
| RP Retail Ltd | Hospitality | 2018 |
| RP Transport Services Ltd | Transport & logistics | 2018 |
| RPG Global Capital Ltd. | Financial services | 2023 |
| RPG Global Hospitality Ltd. | Information & communication | 2023 |
| RPG Global Real Estate Ltd. | Financial services | 2024 |
| RPG Global Services Ltd | Real estate | 2022 |
| RPG UK Investment Ltd | Real estate | 2024 |
| Rpmi Ocean Ltd | Wholesale & retail | 2025 |
| RPP (Reading) Limited | Hospitality | 2015 |
| RPS Property Management Services Limited | Real estate | 2015 |
| Rpss Services Ltd | Transport & logistics | 2013 |
| RPT Properties Ltd | Real estate | 2022 |
| RR Brothers Scaffolding Ltd | Construction | 2026 |
| RR Detailing London Ltd | Wholesale & retail | 2023 |
| RR Property Management Limited | Real estate | 2018 |
| Rrgb Ltd | Administrative & support | 2024 |
| Rringpuff Limited | Wholesale & retail | 2026 |
| Rrjd Limited | Real estate | 2015 |
| RRM Trading Ltd | Construction | 2024 |
| Rrms Property Limited | Real estate | 2023 |
| RRN Company Limited | Wholesale & retail | 2013 |
| RRR Foods Limited | Hospitality | 2026 |
| RRR Trading Ltd | Wholesale & retail | 2025 |
| Rrvr Ltd | Construction | 2018 |
| RS Dhillon Builder Ltd | Construction | 2020 |
| RS Glazing and Services Hayes Ltd | Construction | 2023 |
| RS Legal & Logistics Services Ltd | Transport & logistics | 2026 |
| RS Pabari Ltd | Professional & scientific | 2013 |
| RS Transit Ltd | Transport & logistics | 2021 |
| Rs/Co Ltd | Wholesale & retail | 2024 |
| RSB Holdco Ltd | Real estate | 2003 |
| RSB Properties Ltd | Real estate | 2024 |
| RSB UK Properties Ltd | Real estate | 2019 |
| Rsboss Ltd | Information & communication | 2012 |
| RSK Carpentry Ltd | Construction | 2022 |
| RSK Estates Limited | Real estate | 2011 |
| RSK Exchange Ltd | Wholesale & retail | 2025 |
| RSN Ventures Limited | Professional & scientific | 2024 |
| Rsna Limited | Real estate | 2010 |
| Rsna London Ltd | Administrative & support | 2016 |
| RSP Management & Consultancy Limited | Professional & scientific | 2013 |
| RSR Smiles Ltd | Health & social care | 2022 |
| Rsr+Co Holdings Ltd | Financial services | 2023 |
| Rsr+Jsr Investment Ltd | Real estate | 2023 |
| RSS Consultants UK Limited | Information & communication | 2009 |
| Rstakhar Plant Ltd | Construction | 2018 |
| RSV Trading Limited | Wholesale & retail | 2026 |
| RSV Wholesale Limited | Wholesale & retail | 2022 |