| Rose & Bloom Ltd | Administrative & support | 2020 |
| Rose Brothers Trading Limited | Administrative & support | 2025 |
| Rose Heritage Foods Ltd | Wholesale & retail | 2025 |
| Rose TAN Limited | Other services | 2022 |
| Roseben Ltd | Hospitality | 2018 |
| Rosebud Healthcare Services Ltd | Professional & scientific | 2022 |
| Rosebud Property Ltd | Real estate | 2025 |
| Roselets Ltd | Real estate | 2023 |
| Rosesack Services Ltd | Health & social care | 2022 |
| Rosina Savage Boutique Ltd | Wholesale & retail | 2012 |
| Ross 78 Ltd | Transport & logistics | 2015 |
| Ross James Holdings Ltd | Financial services | 2025 |
| Ross James Trading Ltd | Wholesale & retail | 2019 |
| Rosser Accountants Ltd | Professional & scientific | 2017 |
| Rossera Holdings Ltd | Financial services | 2026 |
| Rossera Ltd | Information & communication | 2016 |
| Rossera Software Ltd | Administrative & support | 2026 |
| Rossycare Ltd | Health & social care | 2016 |
| Rostrans Ltd | Transport & logistics | 2019 |
| Rosu Logistics Ltd | Transport & logistics | 2018 |
| Rotaderp Ltd | Transport & logistics | 2014 |
| Rotoch International Limited | Manufacturing | 2012 |
| Rouk Transport Ltd | Transport & logistics | 2025 |
| Round Kami Hairdressing Ltd | Administrative & support | 2023 |
| Rouva Ltd | Wholesale & retail | 2025 |
| Rowga Engineering Ltd | Transport & logistics | 2024 |
| Rowland Hall Probate Services Limited | Other services | 2019 |
| Rowley Court Residential Company Ltd | Real estate | 2025 |
| Roxane MVP Limited | Transport & logistics | 2015 |
| Roxton Ltd | Construction | 2006 |
| Roya Connections Global Ltd | Real estate | 2026 |
| Royaal Connection Consulting Ltd | Administrative & support | 2017 |
| Rozu Ltd | Transport & logistics | 2023 |
| RP Controls UK Ltd | Professional & scientific | 2023 |
| RPA Secure Properties Ltd | Administrative & support | 2009 |
| Rpcompany Limited | Professional & scientific | 2012 |
| RPG Building Ltd | Construction | 2011 |
| RR Lifting Services Ltd | Transport & logistics | 2020 |
| RR Professional Care Ltd | Health & social care | 2015 |
| RR Properties Ventures Ltd | Real estate | 2026 |
| RR Property Intl Ltd | Real estate | 2026 |
| RR Trading Global Ltd | Information & communication | 2023 |
| RRR Solutions Ltd | Construction | 2016 |
| RS Autos Technicians Ltd | Wholesale & retail | 2025 |
| RS Construction Essex Limited | Construction | 2021 |
| RS TIR Limited | Transport & logistics | 2026 |
| RSA Financial Services Ltd | Financial services | 2022 |
| Rsanao Ltd | Administrative & support | 2023 |
| Rsanjuan Ltd | Health & social care | 2024 |
| Rsbr Consult Limited | Administrative & support | 2025 |
| RSJ Decorators Ltd | Construction | 2024 |
| Rskartistry Limited | Other services | 2021 |
| RSS Courier Services Limited | Transport & logistics | 2026 |
| RT Property Management Company Limited | Real estate | 2024 |
| RTC Recruit Limited | Other services | 2014 |
| RTR (Properties) Limited | Real estate | 1998 |
| RTS Industrial Ltd | Manufacturing | 2010 |
| Ruby Property Rentals Ltd | Real estate | 2014 |
| Rudek Trans Ltd | Transport & logistics | 2023 |
| Rudolph Trans Ltd | Wholesale & retail | 2015 |
| RUE Trucking Ltd | Transport & logistics | 2022 |
| Ruffino Limited | Other services | 2007 |
| Rufus MA Ltd | Transport & logistics | 2025 |
| Runa Ltd | Transport & logistics | 2023 |
| Runa Properties Ltd | Real estate | 2022 |
| Rungmehal Limited | Wholesale & retail | 2022 |
| Runnymede Management Limited | Households | 1995 |
| RUO Ventures Ltd | Transport & logistics | 2025 |
| Rush Trans Ltd | Transport & logistics | 2020 |
| Russet House RTM Company Limited | Households | 2025 |
| RVK Group Ltd | Wholesale & retail | 2025 |
| Ryan & Andres Transport Ltd | Transport & logistics | 2020 |
| Ryan Psychotherapy Services Ltd | Health & social care | 2012 |
| Ryanx Ltd | Administrative & support | 2023 |
| Ryder Creative Ltd | Professional & scientific | 2023 |
| Rykel Recycling Limited | Water & waste | 2019 |
| Rymill Properties Ltd | Real estate | 2025 |
| Rytek Innovations Ltd | Construction | 2018 |
| Rytek Properties Ltd | Real estate | 2020 |
| RZ Painters Limited | Construction | 2025 |
| S & G Solutions Ltd | Professional & scientific | 2012 |
| S & I Construction Ltd | Construction | 2014 |
| S & L Services (London) Ltd | Health & social care | 2016 |
| S & N Asset Holdings Limited | Financial services | 2018 |
| S & N Electrical Limited | Construction | 2023 |
| S & S GAS, Heating & Plumbing Services Limited | Construction | 2018 |
| S & V Bodywork Ltd | Manufacturing | 2020 |
| S Alam Consultancy Ltd | Professional & scientific | 2019 |
| S Beauty 10 Ltd | Other services | 2018 |
| S C Grays Limited | Other services | 2019 |
| S E Partners Ltd | Administrative & support | 2019 |
| S FIX Services Ltd | Construction | 2025 |
| S Gould Construction Ltd | Professional & scientific | 2021 |
| S H Management Consultancy Limited | Professional & scientific | 2017 |
| S J Construction Ltd | Construction | 2024 |
| S M Grays Supermarket Ltd | Wholesale & retail | 2020 |
| S P Connect Ltd | Information & communication | 2014 |
| S W Draincare Limited | Water & waste | 2026 |
| S Williams Consultancy Solutions (UK) Limited | Professional & scientific | 2015 |
| S&A(Uk) Ltd | Administrative & support | 2020 |