| Ronex Sales LP | | 2015 |
| Ronex Trade LP | | 2016 |
| Ronley L.P. | | 2015 |
| Ronmile Group LP | | 2015 |
| Ronnie Taylor Consulting Limited | Professional & scientific | 2026 |
| Ronnie's Jewellers Edinburgh Limited | Wholesale & retail | 2026 |
| Ronse LP | | 2012 |
| Roocruitment Ltd | Information & communication | 2026 |
| Roof and Build Group Ltd | Construction | 2020 |
| Roof Box Hire Scotland Ltd | Extraterritorial | 2025 |
| Roof FIX Services Limited | Construction | 2024 |
| Roof Profiles Limited | Manufacturing | 1982 |
| Roof Repair Edinburgh Inc Limited | Construction | 2025 |
| Roofing & Building Supply Co. Limited (the) | Wholesale & retail | 1949 |
| Rooftight Ltd. | Other services | 2021 |
| Rookery Publications Limited | Information & communication | 2020 |
| Room for Therapy Ltd | Health & social care | 2024 |
| Room Rumours Coffee Limited | Hospitality | 2020 |
| Room Service Interiors Ltd | Professional & scientific | 2024 |
| Room With a View (Scotland) Limited | Real estate | 2004 |
| Roomr Ltd | Information & communication | 2024 |
| Rooms in the City FD Limited | Hospitality | 2024 |
| Roomy Revenue Ltd | Professional & scientific | 2025 |
| Rooney & Gunn Limited | Construction | 2024 |
| Roonhahs Limited | Wholesale & retail | 2025 |
| Roosalka Shipping Limited | Transport & logistics | 2006 |
| Rooster Republic Ltd | Hospitality | 2025 |
| Root Down Fruit & VEG Limited | Wholesale & retail | 2020 |
| Root to Rise Unlimited Ltd | Wholesale & retail | 2025 |
| Rooted and Rare Ltd | Professional & scientific | 2023 |
| Rootkilt Ltd | Information & communication | 2025 |
| Roots and Fruits Television Ltd | Information & communication | 2022 |
| Roots and Salt Ltd | Hospitality | 2019 |
| Roots Soda Limited | Manufacturing | 2012 |
| Rootside Limited | Hospitality | 2026 |
| Roottec Ltd | Information & communication | 2025 |
| Rope Access Solutions (EDI) Ltd | Other services | 2024 |
| Rope Specialist Ltd | Other services | 2017 |
| Ropeon! CIC | Arts & recreation | 2019 |
| Roper Finance Scot LP | | 2015 |
| Roper Technologies (Scot) LP | | 2021 |
| Roper Toxicology Consulting Limited | Other services | 2021 |
| Rophè Hair Ltd | Other services | 2020 |
| Roqua LP | | 2016 |
| Rora Group Limited | Manufacturing | 2018 |
| Rorg LP | | 2015 |
| Rori AI Ventures LP | | 2026 |
| Roromil Limited | Real estate | 2014 |
| Rory Garry Ceng Limited | Construction | 2017 |
| Rory Hutton Ltd | Wholesale & retail | 2016 |
| ROS Ventures Limited | Extraterritorial | 2025 |
| Rosa Aggregator (Genpar) LLP | | 2025 |
| Rosa Aggregator GP Limited | Financial services | 2025 |
| Rosa Aggregator LP | | 2025 |
| Rosa Venture LP | | 2015 |
| Rosal - Consult & Co | | 1994 |
| Rosalina Alliance LP | | 2017 |
| Rosana Import LP | | 2015 |
| Rosanylah Ltd | Transport & logistics | 2023 |
| Rosariol Systems LP | | 2011 |
| Rosary Trade LP | | 2015 |
| Roscos Repairs Ltd | Other services | 2023 |
| Rosdale Trading LP | | 2015 |
| Rose & Ammi Ltd | Wholesale & retail | 2020 |
| Rose & Stone Staging Ltd | Professional & scientific | 2026 |
| Rose Barton Landscape Architecture Ltd | Professional & scientific | 2025 |
| Rose Chinese Limited | Hospitality | 2024 |
| Rose Chippy Limited | Hospitality | 2023 |
| Rose Corporation L.P. | | 2013 |
| Rose DS LP | | 2016 |
| Rose GP LLP | | 2016 |
| Rose Property Partners Limited | Real estate | 2026 |
| Rose RAE Ltd | Wholesale & retail | 2021 |
| Rose Street Barbers Ltd. | Other services | 2009 |
| Rose Street Chippery Limited | Hospitality | 2023 |
| Rose Street Chippy Ltd | Hospitality | 2025 |
| Rose Street Holdings Limited | Real estate | 2017 |
| Rose Street LIC Limited | Hospitality | 2026 |
| Rose Street Nominees Limited | Extraterritorial | 1957 |
| Rose Street Properties Limited | Real estate | 2010 |
| Rose Street PUB Company Limited | Hospitality | 2022 |
| Rose Street Realty LLP | | 2014 |
| Rose Taxis Limited | Transport & logistics | 2002 |
| Rose Technic International LP | | 2015 |
| Rose Theatre Company Ltd | Administrative & support | 2017 |
| Rose Theatre Property Company Limited | Administrative & support | 2016 |
| Rose Window Consulting Limited | Professional & scientific | 2011 |
| Rose-Brint Estates Limited | Real estate | 2026 |
| Roseally Consultancy Ltd | Professional & scientific | 2021 |
| Rosebank Recovery Services (Edinburgh) Limited | Wholesale & retail | 1997 |
| Rosebank Ventures L.P. | | 2015 |
| Roseberg Consulting Ltd | Professional & scientific | 2026 |
| Roseberg Group Limited | Professional & scientific | 2024 |
| Roseberry Invest Holdings LP | | 2018 |
| Roseberry Invest LP | | 2013 |
| Roseberry Trading LP | | 2014 |
| Roseburn Consulting Ltd | Financial services | 2025 |
| Roseburn Estates Ltd | Real estate | 2025 |
| Roseburn Garage Limited | Wholesale & retail | 2019 |
| Roseburn Rapid Repairs Ltd | Other services | 2023 |