| Rochester Property Holdings Limited | Real estate | 2023 |
| Rochester Riverside Childcare Ltd | Health & social care | 2025 |
| Rochester Studios Limited | Information & communication | 2018 |
| Rochester Tech Ltd | Wholesale & retail | 2023 |
| Rochester United FC CIC | Arts & recreation | 2023 |
| Rochester Utilities Limited | Construction | 2015 |
| Rochester Valeting Ltd | Other services | 2025 |
| Rochester Vape Mobile and Convenience Store Ltd | Wholesale & retail | 2025 |
| Rochus Global Ltd | Administrative & support | 2026 |
| Rocket and Rolls Limited | Hospitality | 2014 |
| Rockon Livery Services Limited | Agriculture & fishing | 2019 |
| Rockphase Ltd | Real estate | 2021 |
| Rockstead Properties Ltd | Real estate | 2025 |
| Rocktower Solutions Ltd | Construction | 2014 |
| Rockvale Estates Limited | Real estate | 1999 |
| Rodkam Ltd | Professional & scientific | 2014 |
| Rodrigues Investments Group Ltd | Hospitality | 2026 |
| Roffa Investments Limited | Real estate | 2025 |
| Roffa Limited | Education | 1988 |
| Rokaid Agro Products Limited | Agriculture & fishing | 2020 |
| Rokaid Limited | Administrative & support | 2011 |
| Rokaid Synergies Limited | Professional & scientific | 2018 |
| Rollomatteodelivery Ltd | Transport & logistics | 2025 |
| Roma Express Ltd | Transport & logistics | 2019 |
| Romansmotors Ltd | Wholesale & retail | 2020 |
| Romech Ltd | Construction | 2017 |
| Romoc Car Leasing Ltd | Wholesale & retail | 2019 |
| Ronaldo & SON Ltd | Construction | 2014 |
| Ronnik's Naija Bowl Express Ltd | Hospitality | 2025 |
| Roof Assess Ltd | Construction | 2025 |
| Roofex Ltd | Construction | 2020 |
| Rooffix & Gutters Ltd | Construction | 2023 |
| Roosters PFC Ltd | Hospitality | 2019 |
| Roosters Usmani Limited | Hospitality | 2023 |
| Root Innovation Limited | Professional & scientific | 2013 |
| Roots Timber Reuse C.I.C. | Manufacturing | 2014 |
| Ropariv Ventures International UK Ltd | Wholesale & retail | 2018 |
| Ropery Properties Limited | Financial services | 2024 |
| Rose Behavioural Change Limited | Education | 2025 |
| Rose Infrastructure Services Ltd | Construction | 2025 |
| Rose Steel Services Ltd | Construction | 2024 |
| Rose Studios Photography Ltd | Professional & scientific | 2021 |
| Rosedu Ltd | Real estate | 2021 |
| Roseland Maintenance Ltd | Construction | 2025 |
| Rosherville Safety Solutions Limited | Professional & scientific | 2013 |
| Rosile Ltd | Health & social care | 2023 |
| Rositabay Trading Limited | Other services | 2008 |
| Rota ROD Civil Avoidance Limited | Professional & scientific | 2023 |
| Rotunda Property Group Limited | Real estate | 2025 |
| Rotundu Ltd | Construction | 2013 |
| Rough Diamond Consulting Ltd | Professional & scientific | 2014 |
| Rowan Renell Properties Limited | Real estate | 2024 |
| Rowena Road Estate Management Limited | Real estate | 1966 |
| Rowhill Wood Capital Limited | Financial services | 2019 |
| Rowhill Wood Investments Limited | Financial services | 2019 |
| Rowson Properties Ltd | Real estate | 2024 |
| ROXIES1706 Ltd | Wholesale & retail | 2023 |
| Royal Oak Management Company Ltd | Households | 2020 |
| Royale Spice Kitchen Ltd | Hospitality | 2023 |
| Royel Domestics Ltd | Transport & logistics | 2013 |
| Rozario Investments Limited | Extraterritorial | 2024 |
| RP Consultancy and Therapeutic Services Ltd | Health & social care | 2025 |
| Rplc Education Ltd | Information & communication | 2017 |
| Rsjb Consultancy Ltd | Professional & scientific | 2019 |
| Rtsc Group Limited | Financial services | 2026 |
| Rubben UK Ltd | Real estate | 2021 |
| Rubdub Ltd | Wholesale & retail | 2023 |
| Ruby Doo's Hair Studio Ltd | Other services | 2023 |
| Ruby Group Kent Ltd | Construction | 2023 |
| Ruby's Wouldham Ltd | Hospitality | 2014 |
| Rudy Vasco Fernandes Ltd | Extraterritorial | 2025 |
| Rule Engineering Limited | Professional & scientific | 2018 |
| Run Love Sprint Ltd | Information & communication | 2026 |
| Running Rail Ltd | Construction | 2006 |
| Russell Consultancy Services Ltd | Professional & scientific | 2026 |
| Rustic Bull Ltd | Wholesale & retail | 2025 |
| Ruth Raper Boxing Ltd | Arts & recreation | 2023 |
| Rvdstewart Ltd | Professional & scientific | 2024 |
| RW Project Management Ltd | Professional & scientific | 2020 |
| RW Wholesale Ltd | Wholesale & retail | 2024 |
| Ryan Tossell Limited | Construction | 2023 |
| Ryandeep Enterprises Limited | Other services | 2017 |
| S & a Gray Ltd | Real estate | 2012 |
| S & G Retail Ltd | Wholesale & retail | 2009 |
| S & H Fabrications Ltd | Manufacturing | 2011 |
| S & P Family Ltd | Wholesale & retail | 2016 |
| S & P Plant Contractors Limited | Professional & scientific | 1971 |
| S & R Brickwork & Building Services Ltd | Construction | 2021 |
| S & S Plant Limited | Construction | 2012 |
| S C L Contracts Limited | Construction | 2009 |
| S Edwards Properties Ltd | Real estate | 2020 |
| S M Chicken World Ltd | Hospitality | 2022 |
| S M Industry Consulting Ltd | Professional & scientific | 2019 |
| S Marshall Arts Ltd | Arts & recreation | 2024 |
| S Norfolk Ltd | Construction | 2023 |
| S R Burke Cabling Limited | Construction | 2010 |
| S Roofing Solutions Limited | Construction | 2024 |
| S&C Integrated Developments Ltd | Construction | 2026 |
| S&E Interiors Ltd | Construction | 2015 |
| S&E Mail Limited | Transport & logistics | 2012 |