| Revon Healthcare Ltd | Health & social care | 2016 |
| REX Computing Ltd | Information & communication | 2023 |
| Rexoy Ltd | Manufacturing | 2025 |
| Reyewb Ltd | Hospitality | 2016 |
| Rhak Gurmail Limited | Wholesale & retail | 2022 |
| Rhodess Limited | Wholesale & retail | 2023 |
| Riact Advisory Ltd | Professional & scientific | 2023 |
| Rich King Ltd | Wholesale & retail | 2025 |
| Richard a Bacon Media Limited | Information & communication | 2013 |
| Richard Wallwork Photography Limited | Professional & scientific | 2021 |
| Richer Business Solutions Ltd | Administrative & support | 2015 |
| Riches Financial Services Ltd | Financial services | 2022 |
| Richleigh Court (Management) Limited | Households | 1995 |
| Richmond Mansions Management Company Limited | Administrative & support | 1993 |
| Richmond Road Properties Limited | Real estate | 2025 |
| Ridgetech Roofing Ltd | Construction | 2024 |
| Right 2 Right Ltd | Wholesale & retail | 2025 |
| Right Choice Estates Ltd | Real estate | 2015 |
| Right Turn Motors Ltd | Wholesale & retail | 2025 |
| Rimi Construction Limited | Construction | 2020 |
| Rimi Developments Ltd | Construction | 2026 |
| Rimma Monk ID Ltd | Professional & scientific | 2018 |
| Rio's Reserve Ltd | Wholesale & retail | 2025 |
| Risemind Financial Advisory Limited | Professional & scientific | 2026 |
| Risquora Holdings UK Ltd | Financial services | 2025 |
| River Gibbs Radio Limited | Information & communication | 2006 |
| Riverside Meadows Management Company (Byfleet) Limited | Households | 2006 |
| Rivka Davies Limited | Administrative & support | 2024 |
| Rivona Corp Ltd | Wholesale & retail | 2026 |
| RJ IT Ltd | Information & communication | 2017 |
| RJK ALL in Construction Ltd | Construction | 2025 |
| RK Tech Development Ltd | Professional & scientific | 2022 |
| RM Electrical Wiring Ltd | Construction | 2023 |
| RMG London Ltd | Professional & scientific | 2023 |
| Roadies Ltd | Wholesale & retail | 2026 |
| Roar Consultancy Ltd. | Professional & scientific | 2015 |
| Roar Performance Marketing Ltd | Professional & scientific | 2021 |
| Robert Loader Architect Limited | Professional & scientific | 2014 |
| Robert Wheeler Ltd | Arts & recreation | 2015 |
| Roberts Investments Limited | Real estate | 1953 |
| Robinson Pearce Ltd | Information & communication | 2025 |
| Rock & Roam Ltd | Administrative & support | 2025 |
| Rocket Science Music Limited | Arts & recreation | 2020 |
| Rockforge Limited | Other services | 2017 |
| Rogsan Property Limited | Real estate | 2024 |
| Rohyoopark Ltd | Wholesale & retail | 2017 |
| Roig Filmwear Ltd | Manufacturing | 2019 |
| Roland Marks Landscapes Limited | Administrative & support | 2015 |
| Roll VT Ltd | Information & communication | 2018 |
| Rolling Road Entertainment Ltd | Hospitality | 2020 |
| Rollo Sports Coaching Ltd | Arts & recreation | 2025 |
| Rolt Ltd | Construction | 2026 |
| Romana Real Estate Ltd | Real estate | 2023 |
| Romania on the Broadway Ltd | Wholesale & retail | 2018 |
| Roofeo Ltd | Wholesale & retail | 2014 |
| Roofing Works Ltd | Construction | 2023 |
| Rose and Stone Studio Ltd | Hospitality | 2025 |
| Rose Persian Cuisine Ltd | Hospitality | 2024 |
| Rose Williams Ltd | Real estate | 2014 |
| Rosemay Consulting Ltd | Professional & scientific | 2019 |
| Rosemeadclose Tolworth Management Co Ltd | Households | 2012 |
| Rosestone Limited | Other services | 2003 |
| Rosewood Place Management Company Limited | Households | 2022 |
| Rossco Family Limited | Real estate | 2021 |
| Roth Projects Ltd | Information & communication | 2023 |
| Round PEG Bespoke Fitted Furniture Ltd | Manufacturing | 2025 |
| Rowdy Studio Limited | Professional & scientific | 2014 |
| Royce Real Estates Limited | Real estate | 2022 |
| Roymount Court Maintenance Limited | Real estate | 1959 |
| Roypow Technology UK Limited | Manufacturing | 2020 |
| ROZA66 Limited | Health & social care | 2022 |
| RP Analytics Ltd. | Professional & scientific | 2003 |
| Rpmc Services Ltd | Professional & scientific | 2018 |
| RS Terra Limited | Wholesale & retail | 2026 |
| RSM Driving School Ltd | Education | 2020 |
| RSN Associates Ltd | Professional & scientific | 2022 |
| RSN Estates Ltd | Real estate | 2025 |
| Rtam Consultants Limited | Wholesale & retail | 2022 |
| RTB Emea Consulting Ltd | Information & communication | 2016 |
| RTD Capital Ltd | Real estate | 2021 |
| Rtxstudios Ltd | Professional & scientific | 2025 |
| Rubbish Television Limited | Information & communication | 2011 |
| Ruby Assets Ltd | Real estate | 2018 |
| Ruislip Village Trust Limited(The) | Real estate | 1931 |
| Runeheart Designs Ltd | Manufacturing | 2026 |
| Running Cat Films Ltd | Information & communication | 2025 |
| Rushingbye Property Management Limited | Households | 1983 |
| Russell Media Services Ltd | Professional & scientific | 2018 |
| Ruxley Leisure Limited | Arts & recreation | 1991 |
| RV Design Limited | Other services | 2024 |
| RV Finance Consulting Limited | Professional & scientific | 2025 |
| RW MRI Ltd | Health & social care | 2021 |
| Rweena Ltd | Manufacturing | 2017 |
| Rydens Court(Surbiton)Residents Association,Limited | Households | 1974 |
| RYK UK Consulting Limited | Construction | 2019 |
| S & B Property Holdings Ltd | Real estate | 2023 |
| S & Budi Ltd | Professional & scientific | 2025 |
| S & M Tutoring Academy Ltd | Education | 2021 |
| S & R Realty Ltd | Real estate | 2017 |
| S C Utilities Limited | Administrative & support | 2007 |