| Pumpmasters Limited | Manufacturing | 1986 |
| Pupil Instructor Connector Ltd | Information & communication | 2025 |
| Purdie Maclean Limited | Professional & scientific | 2018 |
| Pure Aesthetics Scotland Limited | Other services | 2023 |
| Pure Magic - Pure Water Systems Ltd | Manufacturing | 2013 |
| Pure Soccer Limited | Education | 2025 |
| Purple Bird Agency Ltd | Information & communication | 2025 |
| Purplevillage Ltd | Wholesale & retail | 2024 |
| PV Homes Limited | Real estate | 2024 |
| Pvcv Limited | Wholesale & retail | 2025 |
| PVD Consulting Solutions LLP | | 2022 |
| PWM Rigging Services Ltd | Construction | 2023 |
| Qents Ltd | Arts & recreation | 2025 |
| Qprotalent Ltd | Administrative & support | 2025 |
| Qualex Ltd | Information & communication | 2024 |
| Quality Parts Ltd | Wholesale & retail | 2020 |
| Quantumised Limited | Information & communication | 2016 |
| Quested Estate Ltd | Real estate | 2024 |
| Quiet Aesthetics Ltd | Health & social care | 2026 |
| Quill Solutions Ltd | Wholesale & retail | 2025 |
| Quipus Systems Ltd | Information & communication | 2026 |
| Qwiznet Limited | Information & communication | 2003 |
| R & C Cabs Ltd. | Professional & scientific | 2003 |
| R Corbett Finance Ltd | Financial services | 2023 |
| R Corbett Holdings Ltd | Financial services | 2026 |
| R Grieve Landscapers Ltd | Administrative & support | 2014 |
| R Mcarthur Heating & Plumbing Limited | Construction | 2025 |
| R W Stewart Haulage Limited | Transport & logistics | 2021 |
| R&Mi Solutions Limited | Construction | 2009 |
| R.C.P.D Ltd | Financial services | 2026 |
| R.Love Landscape & Construction Ltd | Administrative & support | 2023 |
| R2P Powders Limited | Professional & scientific | 2017 |
| Raastech Limited | Information & communication | 2024 |
| Rabs Bar Ltd | Hospitality | 2018 |
| Radiant Reflections by Shannon Ltd | Other services | 2024 |
| Rafski Company Ltd | Real estate | 2025 |
| Rail Transport Solutions Ltd | Professional & scientific | 2010 |
| Rally Autocare Ltd | Wholesale & retail | 2019 |
| Ramcloudworks Limited | Information & communication | 2018 |
| Rammi Rentals Limited | Administrative & support | 2025 |
| Ramsay Automotive Limited | Wholesale & retail | 2018 |
| Ranfurly Properties and Estates Limited | Real estate | 2005 |
| Ranfurly Property Maintenance and Investment Limited | Real estate | 2015 |
| Ranfurly Ranch Limited | Agriculture & fishing | 2024 |
| Ranfurly World Travel Limited | Administrative & support | 2026 |
| Rank Limited | Real estate | 2026 |
| Rankin Business Consultant Ltd. | Professional & scientific | 2017 |
| Rankins' Fruit Markets Limited | Professional & scientific | 1929 |
| Rapidmap Limited | Extraterritorial | 2009 |
| Rasho Style Ltd | Other services | 2021 |
| Rasul Developments Ltd | Real estate | 2022 |
| Rasul Distribution Ltd | Wholesale & retail | 2023 |
| Ravolution Ltd | Wholesale & retail | 2025 |
| RBS Properties Limited | Construction | 2014 |
| Rcrm Ltd | Transport & logistics | 2019 |
| React Transport Services Limited | Transport & logistics | 1997 |
| Realise Recruitment Limited | Administrative & support | 2017 |
| Really Good Food Company (Scotland) Limited | Wholesale & retail | 2006 |
| Realtrades Scotland Limited | Construction | 2020 |
| Rebus Bookkeeping and Accountancy Limited | Professional & scientific | 2020 |
| Reconnect Garden Design Ltd | Professional & scientific | 2022 |
| Red CAP Pumpherston Ltd | Hospitality | 2026 |
| Red O'Brien Limited | Other services | 2012 |
| Redbloc.Design Limited | Professional & scientific | 2021 |
| Reddishpink Media Limited | Professional & scientific | 2008 |
| Redel Innovation Ltd | Information & communication | 2023 |
| Rehmat Since 1973 Limited | Real estate | 2025 |
| Rehoboth HC Ltd | Health & social care | 2026 |
| Reiltin Developments Ltd | Construction | 2024 |
| Remcat Care, Oral Health & Research Ltd. | Other services | 2021 |
| Rendering Construction Ltd | Construction | 2022 |
| RENOV8 Properties Limited | Real estate | 2025 |
| Renovation Vision Builders Ltd | Construction | 2026 |
| Represent Driving Academy Ltd | Administrative & support | 2026 |
| Response Building Maintenance Services (Scotland) Limited | Construction | 1995 |
| Reusing IT | Information & communication | 2006 |
| Reventas Limited | Water & waste | 2020 |
| Revival Joinery Ltd | Construction | 2022 |
| Revive Supply Limited | Professional & scientific | 2013 |
| Reya Homes Limited | Real estate | 2021 |
| RI RI Sheng Limited | Hospitality | 2024 |
| Richard Chalmers Photography Ltd | Professional & scientific | 2020 |
| Richmack Limited | Construction | 1989 |
| Right Choice Blinds Ltd | Wholesale & retail | 2023 |
| Right to Build Register Limited | Information & communication | 2019 |
| Risk and Conduct Services Ltd | Financial services | 2013 |
| Ristorante LA Capanna Limited | Hospitality | 2020 |
| Ritchie Joinery Limited | Construction | 2023 |
| Riverbank Commercial Ltd | Real estate | 2017 |
| RK Scaffolding Limited | Construction | 2018 |
| RMD Consulting Engineer Limited | Professional & scientific | 2018 |
| RMD Electrical Solutions Limited | Construction | 2017 |
| RMD Property Ltd | Real estate | 2025 |
| RML Letting Ltd | Real estate | 2023 |
| Robert Campbell's Catering Services Limited | Hospitality | 2014 |
| Robertson Leisure Ltd | Other services | 2018 |
| Robertson’S Transport Limited | Transport & logistics | 2023 |
| Robs Media Ltd | Information & communication | 2023 |
| ROC and Rose Ltd | Construction | 2025 |
| ROJ Barbers Dingwall Ltd | Other services | 2018 |