| RK Property & Lettings Ltd | Real estate | 2024 |
| RKF Services Limited | Mining & quarrying | 2019 |
| Rkmac Properties Limited | Real estate | 2019 |
| RL Contracts Ltd | Construction | 2018 |
| RLK Scaffolding Ltd | Construction | 2025 |
| Rlndt Division Limited | Mining & quarrying | 2019 |
| RLS Trading Limited | Real estate | 2005 |
| RM Arran Ltd | Hospitality | 2023 |
| RMA Lettings Ltd | Real estate | 2021 |
| RMC Lending Limited | Financial services | 2015 |
| RML (Fife) Ltd | Administrative & support | 2024 |
| RMP Services North Limited | Construction | 2016 |
| Rmss Properties Limited | Real estate | 2021 |
| RN Trade & Services Ltd | Construction | 2025 |
| Rnfc Consultancy Limited | Financial services | 2020 |
| RNM Electrical Contractors Limited | Construction | 2025 |
| RNP Assets Limited | Real estate | 2020 |
| RNS Joinery SCO Ltd | Construction | 2021 |
| Ro-Ht-Om 2025 Private Ltd | Health & social care | 2025 |
| RO55CO Ltd | Wholesale & retail | 2026 |
| Roadberg Sales L.P. | | 2013 |
| Roadwalk Commerce L.P. | | 2015 |
| Roam Campers Ltd | Manufacturing | 2019 |
| Roan Lettings Limited | Real estate | 2018 |
| Roan Limited | Construction | 2014 |
| ROB ROY Midlothian Ltd | Administrative & support | 2017 |
| Robbie LOW Property Services Ltd | Real estate | 2023 |
| Robbie Millar Joinery Ltd | Construction | 2019 |
| Robert Lawson & Sons (Scotland) Ltd. | Administrative & support | 2010 |
| Robert OGG Training & Consultancy Limited | Education | 2018 |
| Robert Peoples Safety Ltd | Professional & scientific | 2012 |
| Robert Sinclair Interiors Ltd | Wholesale & retail | 2018 |
| Robert Weedall NDT Limited | Professional & scientific | 2023 |
| Roberto Motors Ltd | Wholesale & retail | 2022 |
| Roberts Holdings (Crieff) Limited | Financial services | 2026 |
| Roberts Installs Limited | Construction | 2025 |
| Robertson & Watt Limited | Real estate | 1960 |
| Robertson James Holdings Ltd | Real estate | 2025 |
| Robertson James Properties Ltd | Real estate | 2025 |
| Robertson Office Solutions Ltd | Manufacturing | 2015 |
| Robertson Property Management Limited | Real estate | 2018 |
| Robertson Resolutions Ltd. | Other services | 2016 |
| Robertson Robbie Accounting Ltd | Professional & scientific | 2019 |
| Robertson Signs Limited | Administrative & support | 2010 |
| Robertson Trade L.P. | | 2015 |
| Robertson World Travel Limited | Administrative & support | 1987 |
| Robertson's Education Centre Ltd. | Education | 2019 |
| Robertzen Limited | Professional & scientific | 2016 |
| Robi Enterprise Ltd | Hospitality | 2020 |
| Robson Macintosh & Company Ltd. | Financial services | 2002 |
| Rocca Group Holdings Limited | Hospitality | 2020 |
| Rock Building & Preservation Services Limited | Construction | 2008 |
| Rock Developments (Dundee) Ltd | Construction | 2017 |
| Rock Group of Trading Ltd | Wholesale & retail | 2025 |
| Rock Property Maintenance Ltd | Other services | 2014 |
| Rocked OUT Stone Ltd | Construction | 2014 |
| Rockfield Data Consulting Ltd | Professional & scientific | 2025 |
| Rockford Properties Limited | Real estate | 2006 |
| Rockland Business L.P. | | 2015 |
| Rocknowe Consulting Limited | Information & communication | 2014 |
| Rocknowe Music Ltd | Arts & recreation | 2026 |
| Rocks Lines Limited | Hospitality | 2016 |
| Rockwell Property Group Ltd | Real estate | 2018 |
| Rocky & Rebel Ltd | Other services | 2023 |
| Rodamar Services Ltd | Other services | 2018 |
| Roden Jones Ltd | Wholesale & retail | 2026 |
| Rodeo 2 Ltd | Professional & scientific | 2025 |
| Rodgers Property Group Ltd | Real estate | 2026 |
| Rods and Reels Limited | Wholesale & retail | 2025 |
| Rogers Marketing LP | | 2017 |
| Rogers Optical Coating Consultant Limited | Manufacturing | 2025 |
| Rohan & Asad Ltd | Other services | 2026 |
| Rohan Reid Ltd | Transport & logistics | 2024 |
| Rokane Ltd | Construction | 2025 |
| Rollo PUB Holdings Limited | Hospitality | 2018 |
| Romax Brothers Ltd | Wholesale & retail | 2024 |
| Ronlex Complex L.P. | | 2015 |
| Roob Invest LP | | 2016 |
| Roob Zoob Limited | Real estate | 2003 |
| Roof Care (Tayside) Limited | Construction | 2024 |
| Room 39 Clothing Boutique Ltd | Wholesale & retail | 2015 |
| Room 39 Hair Salon Ltd | Other services | 2019 |
| Roots Ready Grow Ltd | Agriculture & fishing | 2026 |
| Roping Limited | Mining & quarrying | 2015 |
| Rorilo Limited | Real estate | 1991 |
| Rory Little Roofing Ltd | Construction | 2011 |
| Rosara Sands Limited | Real estate | 2023 |
| Rose ST. Developments Limited | Construction | 2026 |
| Roseangle Developments Ltd | Real estate | 2020 |
| Roseangle Meeting Rooms Limited | Hospitality | 2023 |
| Roseangle Property Company Limited | Real estate | 2020 |
| Roseangle Residential Ltd | Real estate | 2026 |
| Rosebud Properties (Dundee) Ltd | Real estate | 2017 |
| Roseeng Consultancy Ltd | Professional & scientific | 2022 |
| Rosefield Investments Limited | Real estate | 2022 |
| Rosefield Motors Limited | Wholesale & retail | 2014 |
| Rosemill Developments Limited | Construction | 2010 |
| Rosemount Industrial Limited | Construction | 2016 |
| Rosendo Group LP | | 2017 |
| Rosie Fraser Real Estate Agent Limited | Real estate | 2022 |