| Rock & Star Ltd | Professional & scientific | 2008 |
| Rock Metalwork Ltd | Manufacturing | 2012 |
| Rock Minimarket Store Limited | Wholesale & retail | 2024 |
| Rock Solid Scaffolding Ltd | Construction | 2019 |
| Rock Sound Ltd | Information & communication | 1998 |
| Rocka Properties Ltd | Construction | 2025 |
| Rockaoke Ltd | Arts & recreation | 2003 |
| Rocket Investors Ltd | Financial services | 2025 |
| Rocket Spider Limited | Professional & scientific | 2007 |
| Rocket Tutoring Services Ltd | Education | 2024 |
| Rockett Properties Limited | Real estate | 2010 |
| Rockfax Limited | Information & communication | 2001 |
| Rockin Good News Limited | Administrative & support | 2009 |
| Rockingham Enterprises Limited | Professional & scientific | 2006 |
| Rockmoss Limited | Professional & scientific | 2017 |
| Rockside Door Solutions Ltd | Construction | 2020 |
| Rockside Windows Limited | Manufacturing | 2018 |
| Rockson Limited | Transport & logistics | 2017 |
| Rockson Services Limited | Professional & scientific | 2019 |
| Rockwell Machinery Limited | Extraterritorial | 2011 |
| Rockwest Management Limited | Real estate | 2013 |
| Rocky Horrors Retail Limited | Extraterritorial | 2009 |
| Rocky Raccoon Limited | Financial services | 2019 |
| ROD Global Limited | Professional & scientific | 2026 |
| ROD Hutchinson Tackle & Bait Ltd | Wholesale & retail | 2016 |
| Roda Telecom Limited | Information & communication | 1998 |
| Rodaryus Ltd | Transport & logistics | 2016 |
| Rodeo Properties Ltd | Construction | 2022 |
| Rodger Retro Ltd | Wholesale & retail | 2021 |
| Rodgers Developments Ltd | Construction | 2023 |
| Rodgers Estates Ltd | Real estate | 2014 |
| Rodgers Wostenholm Limited | Manufacturing | 1985 |
| Rodnina Ltd | Wholesale & retail | 2024 |
| Rodritech Ltd | Information & communication | 2025 |
| Roebuck Decorators Limited | Construction | 2022 |
| Roebuck Group Limited | Information & communication | 2022 |
| Roebuck Media Limited | Information & communication | 2023 |
| Rofai Bargains Ltd | Wholesale & retail | 2026 |
| Roger Barnes Architects Ltd | Professional & scientific | 2010 |
| Roginski Property Ltd | Real estate | 2025 |
| Rogojan Ltd | Transport & logistics | 2022 |
| Rogsl Limited | Professional & scientific | 2013 |
| Rogue Archive Limited | Wholesale & retail | 2025 |
| Rohan PVT Limited | Health & social care | 2018 |
| Rohani Orthopaedics Ltd | Health & social care | 2020 |
| Rohan’S Covenant Limited | Information & communication | 2025 |
| Roheen & Roshan Limited | Wholesale & retail | 2012 |
| ROK Productions Limited | Arts & recreation | 2019 |
| ROL Consultant Ltd | Professional & scientific | 2023 |
| Roley Properties Limited | Real estate | 2015 |
| Roley Renovations Limited | Construction | 2019 |
| Rolfe Joinery Company Limited | Manufacturing | 2003 |
| Rolinktrans Ltd | Construction | 2018 |
| Roll on Media Limited | Information & communication | 2016 |
| Roll With Advantage Ltd | Arts & recreation | 2024 |
| Rollmaster Rings Limited | Administrative & support | 2002 |
| Roma Food Star Limited | Hospitality | 2022 |
| Roman Mini Market Ltd | Wholesale & retail | 2024 |
| Romatherapy Ltd | Administrative & support | 2022 |
| Romerworld Limited | Other services | 2019 |
| Romidor Limited | Transport & logistics | 2016 |
| Romina Grocery Store Ltd | Wholesale & retail | 2020 |
| RON Harrison Limited | Wholesale & retail | 1972 |
| RON Stratton Consulting Limited | Wholesale & retail | 1994 |
| Rona Brber Ltd | Other services | 2024 |
| Rona Brickwork Limited | Construction | 2020 |
| Ronald Cogan & Sons Limited | Other services | 2003 |
| Ronald DE Guzman Limited | Health & social care | 2025 |
| Rondolink Ltd | Administrative & support | 2025 |
| Rongguang Adworks Ltd | Wholesale & retail | 2025 |
| Rongguang Media Ltd | Professional & scientific | 2025 |
| Rongguang Trading Ltd | Wholesale & retail | 2025 |
| Rongguang Vision Ltd | Professional & scientific | 2025 |
| Ronkdel Limited | Administrative & support | 2021 |
| Ronnie Logistics Limited | Transport & logistics | 2018 |
| Ronnie O'Sullivan Shop Limited | Wholesale & retail | 2021 |
| Ronny's Beauty Solution Limited | Other services | 2022 |
| Ronny's Hairlane Limited | Other services | 2026 |
| ROO Roo's Soft Play Limited | Health & social care | 2025 |
| ROO Walker Limited | Arts & recreation | 2022 |
| Roof Shop Limited | Extraterritorial | 1972 |
| Roofco Ltd. | Wholesale & retail | 1989 |
| Roofing Centre Group Limited | Extraterritorial | 1982 |
| Roofing Material Supplies Limited | Extraterritorial | 1989 |
| Roofline Developments Ltd | Construction | 2014 |
| Rooftop Property Limited | Real estate | 2020 |
| Rooftop Studio Limited | Information & communication | 2013 |
| Rooh & Roast Ltd | Manufacturing | 2026 |
| Rooj Flooring Ltd | Construction | 2025 |
| Rook & Magpie Ltd | Manufacturing | 2017 |
| Rook Property Limited | Real estate | 2023 |
| Rookery Roofing Limited | Construction | 2021 |
| Room Design Ltd | Other services | 2013 |
| ROOM57 Limited | Information & communication | 2015 |
| Rooms Engineering & Fabrication Ltd | Administrative & support | 1999 |
| ROOMS2LIVE Limited | Real estate | 2012 |
| Roosters Chicken & Grill Limited | Hospitality | 2021 |
| Root Financial Limited | Financial services | 2019 |
| Rootdoor Limited | Information & communication | 2013 |
| Rooting to Move More CIC | Education | 2025 |