| Resi & Commercial Properties Limited | Real estate | 2023 |
| Resistor Development Ltd | Information & communication | 2024 |
| Response Holdings Ltd | Financial services | 2024 |
| Response Homes Ltd | Real estate | 2026 |
| Rest & Recharge Ltd | Hospitality | 2025 |
| Restoration and Development Ltd | Hospitality | 2023 |
| Restore Outdoor Ltd. | Administrative & support | 2018 |
| Results Events Limited | Education | 2025 |
| Results Gym Limited | Arts & recreation | 2012 |
| Results Social Club Limited | Arts & recreation | 2024 |
| Reticle Group Limited | Information & communication | 2026 |
| Retribution Limited | Households | 2022 |
| Revelry Bars Ltd | Hospitality | 2024 |
| Review Matters Limited | Health & social care | 2017 |
| Revive Heating Solutions Ltd | Construction | 2026 |
| Revive Wellness & Medical Aesthetics Ltd | Health & social care | 2024 |
| Revivify Group Ltd | Manufacturing | 2026 |
| Revo Automotives Ltd | Wholesale & retail | 2025 |
| Revo Move Ltd | Financial services | 2024 |
| Revolve Communications Limited | Information & communication | 2013 |
| Revolver Design Limited | Information & communication | 1998 |
| Rexfold Energy L.P. | | 2015 |
| Rexlord Systems L.P. | | 2015 |
| Reya Tandoori Fife LLP | | 2025 |
| RF Electrical Dundee Ltd | Manufacturing | 2013 |
| RFD Investments Ltd | Real estate | 2025 |
| RFY Brickwork Ltd | Construction | 2021 |
| RG Financial Advisory Limited | Professional & scientific | 2025 |
| RG Nicoll Ltd | Construction | 2021 |
| Rgtlb Holdings Ltd | Wholesale & retail | 2025 |
| RH ADI Ltd | Education | 2026 |
| RHD Carnoustie Limited | Information & communication | 2012 |
| RHD Dundee Limited | Professional & scientific | 2012 |
| RHL 123 Limited | Professional & scientific | 2009 |
| Rhodium Gate Limited | Information & communication | 2026 |
| Rhombus Consultancy Limited | Administrative & support | 2022 |
| Rhythm and Strings Ltd | Education | 2026 |
| RI Distribution Ltd | Wholesale & retail | 2024 |
| Rialto Property Limited | Construction | 2016 |
| Riasan Ltd | Real estate | 2024 |
| Ricardo Abreu Plant Ltd | Construction | 2016 |
| Rich Interior Ltd | Real estate | 2025 |
| Richard 8 Taylor Ltd | Hospitality | 2021 |
| Richard Long Flooring Ltd | Construction | 2013 |
| Richardson & Mason Hair Salon (AYR) Ltd | Other services | 2016 |
| Richardson Sales L.P. | | 2015 |
| Richberg Transport L.P. | | 2015 |
| Richfield Trading L.P. | | 2013 |
| Richgold Company L.P. | | 2011 |
| Richley Products L.P. | | 2015 |
| Richmond & Richmond (Scotland) Limited | Hospitality | 2010 |
| Richmond Estates and Properties Ltd | Construction | 2018 |
| Richmond Sport LLP | | 2014 |
| Richway Trade L.P. | | 2015 |
| Rickhard Properties Limited | Real estate | 2020 |
| Ricky Morrison Joinery Limited | Construction | 2024 |
| Ridecab Limited | Transport & logistics | 2025 |
| Ridgestone Express L.P. | | 2012 |
| Ridgevox Products L.P. | | 2015 |
| Ridje Developments Limited | Real estate | 2018 |
| Rif-Raf Models Ltd | Other services | 2021 |
| Riftag Systems LP | | 2017 |
| RIG ARC Ltd | Construction | 2012 |
| RIG Group International (UK) Limited | Construction | 2023 |
| Right Move Joinery Ltd | Construction | 2025 |
| Rightberg Credit L.P. | | 2015 |
| Rightberg Technics L.P. | | 2015 |
| Rightford Partners L.P. | | 2015 |
| Rightlex Trade L.P. | | 2014 |
| Rinnety Ltd | Real estate | 2023 |
| RIO Leasehold Ltd | Real estate | 2018 |
| RIO Piri Piri (Lanarkshire) Ltd | Hospitality | 2018 |
| Rise Software Solutions Ltd | Information & communication | 2019 |
| Rising Time Ltd | Real estate | 2019 |
| Rising View Ltd | Information & communication | 2015 |
| Risio Solutions Ltd | Professional & scientific | 2020 |
| Ritchie Dagen & Allan Limited | Professional & scientific | 2015 |
| Ritchie Dagen Investments Ltd. | Professional & scientific | 2000 |
| River Cottage Scotland Ltd | Hospitality | 2019 |
| River TAY Heating Ltd | Construction | 2020 |
| River TAY Investments Limited | Other services | 2025 |
| River TAY Taxis Limited | Transport & logistics | 2024 |
| Riverclydemotors Limited | Wholesale & retail | 2018 |
| Riverform Solutions L.P. | | 2016 |
| Rivers Publishing Ltd | Information & communication | 2023 |
| Riverside Railway Carriage Ltd. | Administrative & support | 2002 |
| Riverview (Dundee) Ltd | Hospitality | 2018 |
| Riverview Lodge (Newport-On-Tay) Limited | Health & social care | 2023 |
| Riverview Taxis Limited | Transport & logistics | 2024 |
| Riverview Utility Consultants Ltd. | Administrative & support | 2012 |
| Rizqan Limited | Wholesale & retail | 2025 |
| RJ Hair Design Ltd | Other services | 2021 |
| RJ Printing Ltd | Health & social care | 2023 |
| RJC (Angus) Ltd | Hospitality | 2025 |
| Rjff Properties Ltd | Real estate | 2020 |
| Rjrj Ltd | Real estate | 2021 |
| RJS Habitat Ltd | Construction | 2022 |
| RK Grill Ltd | Hospitality | 2019 |
| RK Offshore Services Ltd | Construction | 2017 |
| RK Omnium Limited | Real estate | 2017 |