| RIG Services Engineering Limited | Manufacturing | 2003 |
| RIG Services International Limited | Professional & scientific | 1995 |
| RIGHT2DANCE | Arts & recreation | 1999 |
| Rise & Grind Roastery Ltd | Manufacturing | 2022 |
| Rise Relationships Independence Skills Empowerment Community Interest Company | Education | 2025 |
| Ritchie's Environmental Services Ltd | Water & waste | 2026 |
| Rite Business Solutions Ltd. | Information & communication | 2009 |
| Rite of Passage Limited | Other services | 2023 |
| Rivendell Outdoor Limited | Wholesale & retail | 2010 |
| Riverbank Properties Limited | Hospitality | 1999 |
| Riverside 98 Property Ltd | Real estate | 2025 |
| Rjdp Limited | Hospitality | 2003 |
| RJN Plastering Solutions Limited | Construction | 2021 |
| RK Properties (Scotland) Ltd. | Construction | 2009 |
| RK Tyres & Roadside Recovery Ltd | Wholesale & retail | 2024 |
| RKH Mortgages Ltd | Financial services | 2025 |
| RL Cleaning Services Limited | Administrative & support | 2025 |
| RM 98 Ltd | Wholesale & retail | 2019 |
| RM Air CON Services Ltd | Extraterritorial | 2024 |
| RM Overseas Education Ltd | Professional & scientific | 2025 |
| RM Pharmaesthetics Ltd. | Health & social care | 2020 |
| RMA Motors Limited | Wholesale & retail | 2026 |
| RMK Property Limited | Extraterritorial | 2017 |
| Rmob Creative Services Limited | Administrative & support | 2026 |
| Rmsx Limited | Health & social care | 2024 |
| RNG Games Limited | Wholesale & retail | 2023 |
| Roadside Limited | Extraterritorial | 2005 |
| Roadside Vehicle Services Limited | Wholesale & retail | 2012 |
| Robb's Lodge Limited | Hospitality | 2024 |
| Robert Livingstone (Paisley) Limited | Wholesale & retail | 1987 |
| Robert Macdonald & Company Limited | Professional & scientific | 2003 |
| Robert Wilson Transport Ltd. | Transport & logistics | 2004 |
| Robertson Acom 2 Ltd | Financial services | 2018 |
| Robertson Decorators Ltd | Construction | 2013 |
| Robertson Systems & Solutions Ltd | Professional & scientific | 2025 |
| Robjall Ltd | Financial services | 2018 |
| Robmihai Ltd | Transport & logistics | 2024 |
| Rocket 5 Ltd | Professional & scientific | 2024 |
| Rockmount Construction Consultants Ltd | Administrative & support | 2016 |
| Rodgers Butchers Byres Road Ltd | Wholesale & retail | 2019 |
| Roella Limited | Wholesale & retail | 2016 |
| Roin Limited | Health & social care | 1995 |
| Romar CS Ltd | Professional & scientific | 2022 |
| Romech Facilities Management Ltd. | Construction | 2011 |
| Romuald S a Limited | Other services | 2003 |
| Roof & Gutter Doctor Ltd | Construction | 2022 |
| Roots of Linwood Limited | Wholesale & retail | 2020 |
| Rosach Property Scotland Ltd | Real estate | 2026 |
| Rose VIP Salon Limited | Other services | 2024 |
| Roseberry Property Ltd | Real estate | 2022 |
| Rosegrange Property Limited | Real estate | 2019 |
| Rosette Consultancy Ltd | Professional & scientific | 2024 |
| Rosewood Contracts Ltd | Information & communication | 2010 |
| Rosewood Mortgages Limited | Financial services | 2019 |
| Ross Carriage Masters Ltd | Transport & logistics | 2015 |
| Ross Hillier Consultancy Ltd | Administrative & support | 2016 |
| Rossco Tiling Specialists Ltd | Construction | 2021 |
| Rosset Bespoke Ltd | Other services | 2015 |
| Rotten Flamingos Ltd | Arts & recreation | 2022 |
| Rowantree Music Ltd | Arts & recreation | 2023 |
| Royal British Legion Scotland Paisley Comrades Club Limited | Other services | 2005 |
| Royco Glasgow Limited | Arts & recreation | 2023 |
| Rozhhallat Ltd | Other services | 2026 |
| Rpfm Ltd | Professional & scientific | 2002 |
| RPG (Scotland) Ltd | Construction | 2024 |
| RR Structures Ltd | Construction | 2025 |
| RRM (Scotland) Ltd | Professional & scientific | 2024 |
| RRS Groundworks Limited | Construction | 2023 |
| RRS Group Holdinds Ltd | Construction | 2025 |
| RRS Plant Services Limited | Administrative & support | 2026 |
| Rrts Group Holdings Ltd | Construction | 2025 |
| RSA Your Local Shop Limited | Wholesale & retail | 2017 |
| RSC Pro-Fives Ltd | Hospitality | 2026 |
| RT Autoport Ltd | Other services | 2018 |
| RT Braeside Ltd | Other services | 2018 |
| RT Bridgeton Ltd | Other services | 2022 |
| RT Clarendon Place Ltd | Other services | 2026 |
| RT Clifton Ltd | Other services | 2025 |
| RT Coatbridge Ltd | Other services | 2021 |
| RT Crow Road Ltd | Other services | 2021 |
| RT Crow Wood Ltd | Other services | 2018 |
| RT Dumbarton Road Ltd | Other services | 2021 |
| RT Kyle Ltd | Other services | 2025 |
| RT Management Bearsden Ltd | Other services | 2016 |
| RT Management Utility Services Ltd | Other services | 2021 |
| RT Sauchie Ltd | Other services | 2021 |
| RT ST James Ltd | Other services | 2021 |
| RT ST James Road Ltd | Other services | 2021 |
| RT Utility Services Limited | Construction | 2016 |
| Rtmsuk Ltd | Other services | 2023 |
| Rubiup Ltd | Wholesale & retail | 2023 |
| Rubyrae Recruitment and Consultancy Limited | Administrative & support | 2017 |
| Rudan Engineering Limited | Professional & scientific | 2023 |
| RUP & Forn Creative Ltd | Wholesale & retail | 2015 |
| Rutherford Sheridan Ltd | Professional & scientific | 2016 |
| RV Welding Ltd | Construction | 2025 |
| RXV Construction Ltd | Construction | 2025 |
| Ryanlynchproperty Limited | Real estate | 2026 |
| Rydell Cleaning Ltd | Administrative & support | 2019 |
| S & B Properties (Scotland) Ltd | Real estate | 2024 |