| R&F Retail Ltd | Wholesale & retail | 2022 |
| R&G Roofing Tayside Ltd | Construction | 2026 |
| R&M Tanning Limited | Other services | 2025 |
| R&R Decorators Dundee Ltd | Construction | 2023 |
| R&S Heating and Plumbing Services Ltd | Construction | 2024 |
| R&S Landscaping Ltd | Administrative & support | 2025 |
| R&S Properties Dundee Ltd | Real estate | 2022 |
| R.A. Davidson Plumbing & Heating Ltd | Construction | 2019 |
| R.Ad Plumbing & Heating Dundee Limited | Construction | 2023 |
| R.Boyter Electrical Services Ltd | Manufacturing | 2021 |
| R.C. Macaulay (Kirkibost) Limited | Real estate | 1959 |
| R.C.Developments (Scotland) Limited | Construction | 2006 |
| R.J.S. Manufacturing Ltd. | Construction | 1996 |
| R.L Fencing and Fabrication Ltd | Manufacturing | 2019 |
| R.P. Event Management Limited | Other services | 2013 |
| R.S. Robertson & Co. (Pensions) & Investments) Ltd | Financial services | 1971 |
| R2H Limited | Professional & scientific | 2022 |
| R2KKX CAD Service Ltd. | Real estate | 2015 |
| R6 Ventures Limited | Real estate | 2018 |
| R9 Lettings Ltd | Real estate | 2026 |
| RA Physio Limited | Health & social care | 2012 |
| RA Taxis Limited | Transport & logistics | 2017 |
| Raafi Limited | Wholesale & retail | 2021 |
| RAC Laboratory Limited | Health & social care | 2011 |
| Rachael Burke Wellness Ltd | Other services | 2026 |
| Rachico Ltd | Wholesale & retail | 2024 |
| Racquet Buddies Ltd | Arts & recreation | 2014 |
| RAD Apples Limited | Hospitality | 2019 |
| RAD Corporate Limited | Professional & scientific | 2006 |
| Radex Trade L.P. | | 2015 |
| Radiance Hair Shop and Studio Limited | Wholesale & retail | 2025 |
| Radimex Services L.P. | | 2015 |
| Radix Base Systems Ltd | Manufacturing | 2019 |
| Radley Import L.P. | | 2015 |
| Radox Commerce L.P. | | 2015 |
| Raeside Data Science Ltd | Other services | 2025 |
| Rafarsfood Ltd | Hospitality | 2026 |
| Rafik Solutions Ltd | Professional & scientific | 2026 |
| Rafiq Enterprise Ltd | Real estate | 2025 |
| Rail Reliability Services Ltd | Professional & scientific | 2022 |
| Railbrook Projects L.P. | | 2015 |
| Rainbow Sensors (Scotland) Limited | Health & social care | 2024 |
| Rainbow Spider Ltd | Information & communication | 2015 |
| Raise & Glaze Living Spaces LLP | | 2025 |
| RAJA001 Properties Limited | Hospitality | 2019 |
| Rajshri Ltd | Hospitality | 2023 |
| Raktas Limited | Wholesale & retail | 2025 |
| RAL Maintenance Limited | Construction | 2020 |
| RAM Dundee Ltd | Construction | 2025 |
| RAM SC Limited | Hospitality | 2026 |
| Rama Rose Limited | Hospitality | 2025 |
| Ramea Ltd | Construction | 2014 |
| Ramsay World Travel (Lochee) Limited | Administrative & support | 2009 |
| Ramsay World Travel (Perth) Limited | Administrative & support | 1986 |
| Ramsay World Travel (Stirling) Limited | Administrative & support | 1988 |
| Ramsay World Travel Limited | Administrative & support | 1984 |
| Ranchcatering Limited | Hospitality | 2025 |
| Rancho Pancho (Dundee) Limited | Hospitality | 2015 |
| Rando Systems L.P. | | 2014 |
| Randolph Alliance L.P. | | 2015 |
| RANDOLPH25 Ltd | Real estate | 2025 |
| Randomshoes Ltd | Information & communication | 2024 |
| Raofi Diagnostics Ltd | Health & social care | 2022 |
| Raofi Holdings Limited | Professional & scientific | 2025 |
| Rapid Response 24/7 Call Outs Ltd | Construction | 2024 |
| Rapier Parcel Distribution Limited | Transport & logistics | 2012 |
| RAS Consulting Limited | Professional & scientific | 2025 |
| RAS Financial Services Ltd | Financial services | 2023 |
| Rashida Enterprise Ltd | Hospitality | 2023 |
| Raspbry Limited | Professional & scientific | 2024 |
| Rastreo Ltd | Professional & scientific | 2017 |
| Rate Remedy Ltd | Construction | 2025 |
| Rattray Real Estate Limited | Real estate | 2004 |
| Rautomead Limited | Manufacturing | 1994 |
| Ravantly Ltd | Wholesale & retail | 2024 |
| Raven Flock Games Ltd | Information & communication | 2026 |
| Ravensby Glass Company Limited | Manufacturing | 1986 |
| Ravie Retreats Fife Limited | Hospitality | 2024 |
| RAY RAY Logistics Limited | Transport & logistics | 2025 |
| RAYGAN1982 Ltd | Transport & logistics | 2021 |
| Raynor Building Services Limited | Construction | 1986 |
| Raynor Holdings Limited | Real estate | 1989 |
| Raynor Roofing Limited | Construction | 1981 |
| Raynosa Accents LP | | 2017 |
| Razco Investments Limited | Hospitality | 2001 |
| RB & JL Properties Limited | Real estate | 2005 |
| RB Developments (Dundee) Limited | Construction | 2014 |
| RB Investments (Scotland) Limited | Real estate | 2024 |
| RC (Fife) Ltd | Hospitality | 2024 |
| RC Barbering Ltd | Other services | 2019 |
| RC Fire Protection Limited | Construction | 2015 |
| RC One Ltd | Hospitality | 2024 |
| RC Respiratory Ltd | Health & social care | 2025 |
| RC Two Ltd | Hospitality | 2024 |
| RCDC1 Ltd | Arts & recreation | 2025 |
| RCM Mechanical Services Ltd | Professional & scientific | 2020 |
| RCM Tayside Ltd | Construction | 2024 |
| Rcye Ltd | Hospitality | 2017 |
| RDA Properties Limited | Real estate | 2002 |
| RDA Trustees Limited | Financial services | 2023 |