| R & Q Retail Ltd | Wholesale & retail | 2019 |
| R & R Lumsden Plumbing & Heating Ltd | Construction | 2020 |
| R and J Catering Solutions Limited | Manufacturing | 2011 |
| R J Breen Engineering Ltd | Construction | 2013 |
| R L Mcmillan Ltd | Hospitality | 2018 |
| R R Estates Limited | Real estate | 1990 |
| R Stirling Plastering Ltd | Construction | 2021 |
| R Wilson and Sons Limited | Construction | 2022 |
| R&C Greig Property Limited | Real estate | 2021 |
| R&C Property Investments Ltd | Real estate | 2025 |
| R&J Construction (Scotland) Ltd | Administrative & support | 2020 |
| R.A Sammels Ltd | Construction | 2024 |
| R.K.G. Developments Limited | Real estate | 2016 |
| RA (Financial Planning) Limited | Financial services | 2013 |
| RAD Building Services Ltd | Construction | 2013 |
| Radiant Carez Limited | Wholesale & retail | 2025 |
| Raeview Property Ltd | Real estate | 2025 |
| Rainbow Property Rentals Ltd | Real estate | 2020 |
| RAJ Small Ltd | Wholesale & retail | 2022 |
| Rajvika Limited | Hospitality | 2021 |
| Rapid Lock Services Ltd | Professional & scientific | 2025 |
| Ravelstone Group Ltd | Administrative & support | 2025 |
| RB & Sons (Scotland) Limited | Construction | 2014 |
| Rdmac Limited | Hospitality | 2014 |
| Reach Pro Ltd | Financial services | 2025 |
| Real Good Collective Ltd | Health & social care | 2024 |
| Real Works (Falkirk) Limited | Professional & scientific | 2023 |
| Realm Engineering (Central) Ltd. | Manufacturing | 2013 |
| Reclaimed Building Material and Slate Supplies Limited | Administrative & support | 2025 |
| Record Clothing Ltd | Wholesale & retail | 2023 |
| Recovery Scotland Ltd. | Health & social care | 1995 |
| Red Flame Ltd | Education | 2025 |
| Red FOX Events Limited | Arts & recreation | 2014 |
| Red Wires Industrial Ltd | Construction | 2018 |
| Reddere Payroll Consultancy Ltd | Professional & scientific | 2018 |
| Reddup Ltd | Construction | 2013 |
| Reegem Ltd | Arts & recreation | 2018 |
| Reely Kleen Ltd | Administrative & support | 2023 |
| Reenosh Ltd | Wholesale & retail | 2021 |
| Refractory Support & Solutions LLP | | 2022 |
| Rehan Licensed Grocers Ltd | Wholesale & retail | 2021 |
| Remi Tools Ltd | Wholesale & retail | 2017 |
| Rena Group Ltd | Wholesale & retail | 2023 |
| Rena Interiors Ltd | Manufacturing | 2025 |
| Rena Stores Limited | Wholesale & retail | 2026 |
| Renew Exchange Ltd | Wholesale & retail | 2023 |
| Renewable Heat Installation and Servicing Limited | Construction | 2014 |
| Rennie Plant Services Ltd. | Construction | 2004 |
| Rescutek Ltd | Administrative & support | 2024 |
| Restored Parts Marketplace Ltd | Wholesale & retail | 2019 |
| Resurrection Cryogenics Cellular Awakening Ltd | Health & social care | 2025 |
| Revival Care Solutions Ltd | Health & social care | 2023 |
| Revive Catering Contract Management Limited | Hospitality | 2011 |
| Revive Dermacare Ltd | Health & social care | 2024 |
| Rewd Manors Limited | Real estate | 2021 |
| Reynolds Actuarial Services Ltd. | Other services | 2019 |
| RGB Care Service Ltd | Health & social care | 2025 |
| RGB Solutions Ltd. | Information & communication | 2004 |
| RHA Car Wash Limited | Other services | 2026 |
| Rhino Haulage Ltd | Transport & logistics | 2026 |
| Richard Anderson Lifting Ltd. | Construction | 2018 |
| Richard Wylie Limited | Manufacturing | 1972 |
| Ridgestar Limited | Administrative & support | 1995 |
| Ritch Technology Services Ltd | Information & communication | 2026 |
| River Forth Consulting Limited | Extraterritorial | 2022 |
| Riverside Aquaria Ltd | Wholesale & retail | 2020 |
| Rize Limited | Hospitality | 2020 |
| RK14 Ltd | Wholesale & retail | 2018 |
| RM 2026 Transport Solutions Ltd | Transport & logistics | 2026 |
| RMC1940 Ltd | Agriculture & fishing | 2017 |
| Rmcc Consultants Ltd | Professional & scientific | 2022 |
| Rmcdukxd Ltd | Transport & logistics | 2025 |
| RMK Talent Solutions Limited | Administrative & support | 1999 |
| RMR14 Consultancy Limited | Administrative & support | 2013 |
| RNK Cars Ltd | Wholesale & retail | 2024 |
| Road Runnerz Tyres Limited | Wholesale & retail | 2024 |
| Robb Property Ltd | Real estate | 2017 |
| Robertson MTS Limited | Manufacturing | 2013 |
| Robinson Hire Drive Ltd. | Administrative & support | 1996 |
| Rocet Recycling Ltd | Water & waste | 2020 |
| Rock Electrical and Sign Services Ltd | Construction | 2018 |
| Rockforce Construction Equipment Limited | Wholesale & retail | 2010 |
| ROD & Creel Limited | Wholesale & retail | 2018 |
| ROD Smith Hairdressing Ltd. | Other services | 2013 |
| ROI Albert Ltd | Professional & scientific | 2022 |
| ROK Fire & Ice Ltd | Other services | 2026 |
| Roman Bar & Lounge Ltd | Hospitality | 2022 |
| Ronnie Laing & SON Limited | Construction | 2004 |
| Roof De-Moss Scotland Ltd | Administrative & support | 2024 |
| Roofs by SHS Ltd | Construction | 2025 |
| Rose Green Plumbing Ltd | Construction | 2024 |
| Rosebank Brewery Camelon Limited | Manufacturing | 2012 |
| Rosebank Brewery Limited | Manufacturing | 2012 |
| Rosebank Distillery Camelon Limited | Manufacturing | 2012 |
| Rosebank Property Maintenance Limited | Construction | 2014 |
| Rosebank Rooms Limited | Hospitality | 2024 |
| Rosebank RS Limited | Construction | 2009 |
| Rosebank Whisky Distillery Company Limited | Manufacturing | 2007 |
| Rosebank Whisky Limited | Manufacturing | 2007 |
| Roseburn Whisky Ltd | Real estate | 2006 |