| Rockworth Management Partners Limited | Professional & scientific | 2003 |
| Rocky Road Solutions LP | | 2011 |
| Rocmedia Holding LP | | 2019 |
| Roco Enterprises Limited | Real estate | 2018 |
| Roco Property Development Ltd | Construction | 2018 |
| Rococonsultants Ltd | Professional & scientific | 2021 |
| ROD Jones Studios Limited | Information & communication | 2020 |
| Rodarian LP | | 2021 |
| Roddam Anaesthetics Ltd | Hospitality | 2010 |
| Roddinglaw Management Services Limited | Professional & scientific | 2001 |
| Rodeko Development LP | | 2015 |
| Rodena Global LP | | 2015 |
| Rodentia Alliance LP | | 2016 |
| Rodeo Auger LP | | 2016 |
| Roderick Maclean Associates Limited | Professional & scientific | 2007 |
| Rodew Ltd | Hospitality | 2023 |
| Rodex Investments LP | | 2015 |
| Rodger & Moore Limited | Administrative & support | 2022 |
| Rodger & Smalridge Limited | Health & social care | 2015 |
| Rodina Ltd | Information & communication | 2017 |
| Rodney Trading L.P. | | 2012 |
| Rodos Trade LP | | 2020 |
| Rodoss Management LP | | 2016 |
| Rodovi LP | | 2005 |
| Rodrigues Fast Wholesale Ltd | Wholesale & retail | 2024 |
| Roebuck Carry GP LLP | | 2022 |
| Roebuck Carry LP | | 2022 |
| Roeh Corporation Limited | Information & communication | 2021 |
| Roger's Tyres Ltd | Manufacturing | 2019 |
| Rogerson-Todd Limited | Manufacturing | 1975 |
| Rogus Investments SP | | 2002 |
| Roho Property Ltd | Real estate | 2023 |
| Roka Properties Limited | Real estate | 2000 |
| Rokal Directors Limited | Other services | 2026 |
| Rokatu Solutions Limited | Information & communication | 2025 |
| Rokko Rokko Desu Ltd | Hospitality | 2020 |
| Roknmed Care Ltd | Wholesale & retail | 2023 |
| Rokot Trading LP | | 2016 |
| Roksy Alliance LP | | 2017 |
| Roland Forestry (UK) Ltd | Agriculture & fishing | 2011 |
| Rolang Ltd | Professional & scientific | 2025 |
| Rolegate Management LP | | 2012 |
| Roleno Alliance LP | | 2015 |
| Rolling Investments LP | | 2017 |
| Rolling Trade Ltd. | Mining & quarrying | 2005 |
| Rollini Group LP | | 2016 |
| Rollrock Ltd | Professional & scientific | 2024 |
| Rolo Tyres Ltd | Wholesale & retail | 2025 |
| Roltar Ltd. | Extraterritorial | 2019 |
| Roltex Group LP | | 2017 |
| Rolu International Trade Ltd | Wholesale & retail | 2025 |
| Rolyat Property Group Limited | Real estate | 2016 |
| Rolyat Property Services Limited | Real estate | 2016 |
| ROM Electrical Ltd | Construction | 2026 |
| Roma Capital Invest LP | | 2013 |
| Roma Vegan Limited | Hospitality | 2020 |
| Romaio Property Limited | Real estate | 2024 |
| Roman Administration Ltd | Real estate | 2026 |
| Roman Power LP | | 2015 |
| Romanford Solutions LP | | 2013 |
| Romango LP | | 2016 |
| Romanique Solutions LP | | 2012 |
| Romannobridge Information Systems Limited | Information & communication | 1999 |
| Romantic Lines LP | | 2016 |
| Romax Global LP | | 2019 |
| Rome Direct LP | | 2025 |
| Rome One LP | | 2017 |
| Rome Three LP | | 2019 |
| Rome Two LP | | 2018 |
| Rome Ventures LP | | 2023 |
| Romeka Solutions Ltd | Professional & scientific | 2022 |
| Romen Capital LP | | 2013 |
| Romeo Barber Ltd | Other services | 2026 |
| Romero Getaway LP | | 2014 |
| Romfor Prom LP | | 2017 |
| Romford Corporation L.P. | | 2012 |
| Romford Services LP | | 2012 |
| Romin Alliance LP | | 2014 |
| Romina 1 Ltd | Hospitality | 2024 |
| Rommerton Group LP | | 2016 |
| Romont LP | | 2012 |
| Romsed Industry LP | | 2015 |
| Romsoc Events Limited | Professional & scientific | 2026 |
| Romway Commercial LP | | 2011 |
| Rona-Yan Ltd | Real estate | 2023 |
| Ronald 100% Global Consultants Hannah Limited | Real estate | 2020 |
| Ronald 100% Global Holding Hannah Limited | Financial services | 2021 |
| Ronald 100% Global Investments Hannah Limited | Construction | 2020 |
| Ronald 100% Global Management Hannah Limited | Financial services | 2020 |
| Ronald G Graham Roofing & Building Contracts Limited | Construction | 2025 |
| Ronastra Sales LP | | 2014 |
| Ronbert Commerce LP | | 2015 |
| Ronbert Universal LP | | 2015 |
| Ronceval Property Ltd | Financial services | 2023 |
| Ronda & Matteo LP | | 2012 |
| Ronda Trade LP | | 2013 |
| Rondas Hedia LP | | 2016 |
| Rondex Trade LP | | 2015 |
| Rondonia LP | | 2003 |
| Rondus LP | | 2013 |