| Rocc Global Mineral Trading Limited | Administrative & support | 2025 |
| Rock Seven Group Ltd | Financial services | 2018 |
| Rock Seven Mobile Services Limited | Information & communication | 2014 |
| Rockatek Ltd | Professional & scientific | 2016 |
| Rocket Property Investments Ltd | Wholesale & retail | 2020 |
| Rocket Rentals Limited | Administrative & support | 2001 |
| Rocket Tool Hire Limited | Administrative & support | 2016 |
| Rocket Vehicles Limited | Administrative & support | 2016 |
| Rocketbiz Ltd | Professional & scientific | 2015 |
| Rocketpwr Apparel Ltd | Wholesale & retail | 2021 |
| Rocketpwr Athletics Ltd | Arts & recreation | 2020 |
| Rocks Drinks Limited | Professional & scientific | 2013 |
| Rockshine Group Ltd | Other services | 2026 |
| Rockville Flat Management Company Limited | Real estate | 2001 |
| Rockwell Business Solutions Ltd | Information & communication | 2022 |
| Rodent Service (East Anglia) Limited | Other services | 1963 |
| Rodway Wilson Contracts Limited | Construction | 2026 |
| Rofgo Ventures Limited | Real estate | 2020 |
| Roftek Limited | Manufacturing | 2010 |
| Roger Head Limited | Real estate | 2013 |
| Rogue Progress Ltd | Professional & scientific | 2014 |
| Rojihira Ltd | Wholesale & retail | 2019 |
| Rola Electrical Ltd | Construction | 2019 |
| Rolanest Ltd | Wholesale & retail | 2026 |
| Roll on Ltd | Hospitality | 2025 |
| Roman & Sons Transport Limited | Transport & logistics | 2016 |
| Ronald James (Ceilings) Limited | | 1963 |
| Rong HUA Limited | Hospitality | 2026 |
| ROO Juice Ltd | Wholesale & retail | 2025 |
| Roofrite Ltd | Construction | 2019 |
| Roofteck Ltd | Construction | 2021 |
| Roomsbooked Limited | Hospitality | 2003 |
| Roosters Chicken Express Ltd | Hospitality | 2026 |
| Rooted Shoes Ltd | Wholesale & retail | 2025 |
| Rose Hart Lomberg Limited | Real estate | 2023 |
| Rose of Sharon Services Ltd | Health & social care | 2019 |
| Rose Therapy Ltd | Other services | 2022 |
| Rosecroft Management Company (FOD) Limited | Households | 2024 |
| Rosie Newman (Horse Transport) Ltd | Agriculture & fishing | 2007 |
| Roskilly Educational Consulting Ltd | Other services | 2014 |
| Rospen Ltd | Construction | 2021 |
| Ross Sporting Activities Limited | Arts & recreation | 1985 |
| Rotas Group Ltd | Extraterritorial | 2022 |
| Roto Renovation Ltd | Construction | 2024 |
| Rotors and Skids Limited | Administrative & support | 2026 |
| Round 2 Ltd | Professional & scientific | 2020 |
| Routine Check (MOT) Ltd | Wholesale & retail | 2023 |
| Rovers Returns Limited | Wholesale & retail | 2001 |
| Rowan Hinder Private Chef Ltd | Hospitality | 2024 |
| Rowanfield Road Limited | Real estate | 2012 |
| Rowi Pro Limited | Construction | 2019 |
| Rowlands Advisory Ltd | Professional & scientific | 2026 |
| Rowntree Consulting Ltd | Professional & scientific | 2015 |
| Royah Care Limited | Administrative & support | 2023 |
| Royal Aero Club Records Racing and Rally Association Limited | Arts & recreation | 1982 |
| Royal Crescent (Cheltenham) Management Company Limited | Extraterritorial | 2012 |
| Royale Healthcare Limited | Administrative & support | 2018 |
| Royle Luxe Property Group Ltd | Real estate | 2025 |
| Rozi Portfolio Ltd | Real estate | 2026 |
| ROZI2019 Ltd | Hospitality | 2025 |
| RP Baker Windows & Doors Ltd | Construction | 2022 |
| RP Reactive Maintenance Ltd | Information & communication | 2025 |
| Rpde Ltd | Professional & scientific | 2024 |
| RPM Building Services Ltd | Construction | 2019 |
| RPN Electricals Ltd | Construction | 2022 |
| RPT Coaching Ltd | Other services | 2022 |
| RPT Studio Ltd | Arts & recreation | 2015 |
| RRIFPROP1 Limited | Real estate | 2022 |
| RRS Electrical Contractors Ltd | Construction | 2013 |
| RRS Transport Ltd | Transport & logistics | 2026 |
| RS & K Stores Ltd | Wholesale & retail | 2013 |
| RS Accountancy Solutions ( Glos) Ltd | Professional & scientific | 2012 |
| RS Building and Renovation Ltd | Construction | 2018 |
| RS Commercial Services Ltd | Professional & scientific | 2025 |
| RS Developments Limited | Real estate | 2000 |
| RS Motorworks Ltd | Wholesale & retail | 2023 |
| Rsaa Property Ltd | Real estate | 2026 |
| Rscollective Ltd | Education | 2021 |
| RSG Developments Ltd | Construction | 2026 |
| RSJ Financial Ltd | Financial services | 2021 |
| RSL Property Ltd | Real estate | 2025 |
| RSP Cars Ltd | Wholesale & retail | 2014 |
| Rspm Developments Ltd | Construction | 2024 |
| Rssl Ltd | Hospitality | 2019 |
| RSW Projects Limited | Professional & scientific | 2025 |
| RTN Healthcare Services Limited | Health & social care | 2023 |
| Rubicon Change Limited | Professional & scientific | 2005 |
| Ruby Security Ltd | Administrative & support | 2025 |
| Ruby's Hair Limited | Other services | 2012 |
| Rubygoldex Ltd | Wholesale & retail | 2025 |
| Rudgeley Services Ltd. | Transport & logistics | 1995 |
| Rudloe Ltd | Financial services | 2025 |
| Ruila Ecart Limited | Wholesale & retail | 2025 |
| Rumors Limited | Other services | 2023 |
| Runway Trans Limited | Transport & logistics | 2018 |
| Ruro Pharm Ltd | Administrative & support | 2023 |
| Ruroc Global Holdings Limited | Professional & scientific | 2014 |
| Ruroc IP Holdings Limited | Administrative & support | 2010 |
| Ruroc Roofing & Building Ltd | Construction | 2020 |
| RUS Care Ltd | Health & social care | 2022 |