| Rabbie's Experiences Ltd | Administrative & support | 2022 |
| Rabbie's Trail Burners Limited | Administrative & support | 1996 |
| Rabbit Films Ltd | Information & communication | 2022 |
| Rabiton LP | | 2016 |
| RAC Drink Ltd | Hospitality | 2018 |
| Race Removals Ltd | Administrative & support | 2022 |
| Race Your Life Ltd | Wholesale & retail | 2017 |
| Rachael Beauty Box Limited | Wholesale & retail | 2024 |
| Rachael Spain Hair Limited | Other services | 2023 |
| Rachael Stubbs Ltd | Real estate | 2023 |
| Rachael Wallace-Lane, Coaching, Mentoring, Training and Facilitation Ltd | Professional & scientific | 2022 |
| Rachel Gray Psychotherapy Ltd | Health & social care | 2025 |
| Rachel Hein Photography Ltd | Professional & scientific | 2025 |
| Rachel Robertson Racing Limited | Arts & recreation | 2023 |
| Rachel Scott Ltd. | Other services | 2019 |
| Rachel Weir Ltd | Health & social care | 2023 |
| Rachidi Consulting Ltd | Professional & scientific | 2016 |
| Rackard Johnston Limited | Administrative & support | 2007 |
| Racket&Webber Ltd | Manufacturing | 2022 |
| RAD Access Solutions Limited | Professional & scientific | 2019 |
| Radaas Ltd | Administrative & support | 2021 |
| Radadr Ltd | Information & communication | 2025 |
| Radar Rooms Limited | Hospitality | 2026 |
| Radbourne Resources L.P. | | 2015 |
| Radcliffe & Co | | 1993 |
| Radcore Business LP | | 2016 |
| Radda Investments Limited | Financial services | 2022 |
| Raddery Diskmark Ltd. | Manufacturing | 2002 |
| Radex Industry LP | | 2015 |
| Radex Marketing LP | | 2015 |
| Radex Overseas LP | | 2014 |
| Radex Universal LP | | 2015 |
| Radge Chaat Ltd | Hospitality | 2021 |
| Radge Events Ltd | Hospitality | 2018 |
| Radge Media C.I.C. | Information & communication | 2006 |
| Radgile Delivery Ltd | Professional & scientific | 2026 |
| Radhe Kishori Ltd | Wholesale & retail | 2025 |
| Radial Recruitment Ltd | Administrative & support | 2017 |
| Radial Software Solutions Limited | Information & communication | 2024 |
| Radiant Trading LP | | 2013 |
| Radiantrevive UK Ltd | Extraterritorial | 2026 |
| Radiantride Entertainment Ltd | Extraterritorial | 2026 |
| Radiantrooms Services Ltd | Extraterritorial | 2026 |
| Radical Delivery Solutions Limited | Professional & scientific | 2009 |
| Radical Travel Group Limited | Administrative & support | 1992 |
| Radicibus ( Edinburgh ) Ltd | Hospitality | 2017 |
| Radico Khaitan Scotland Ltd | Manufacturing | 2026 |
| Radigal Companion LP | | 2012 |
| Radikon LP | | 2013 |
| Radiological Limited | Health & social care | 2013 |
| Radius Mountain Limited | Manufacturing | 2025 |
| Radius Ship LP | | 2022 |
| Radolla Ventures LP | | 2014 |
| Radom Joinery Ltd | Construction | 2017 |
| Radosty Group LP | | 2017 |
| Rads F3 Investment Limited Partnership | | 2021 |
| Rads F4 Investment Limited Partnership | | 2021 |
| Rads Gamma Limited | Administrative & support | 2020 |
| Rads Omega Limited | Administrative & support | 2020 |
| Radu Labs Ltd | Information & communication | 2026 |
| RAE Macintosh (Music) Limited | Wholesale & retail | 1973 |
| RAE Mccabe Associates Ltd. | Professional & scientific | 2015 |
| RAE Mckernan Properties Ltd | Real estate | 2025 |
| Raeburn Developments Limited | Construction | 1989 |
| Raeburn Fine Wines Ltd. | Wholesale & retail | 2014 |
| Raeburn Place Development (Sport) Limited | Construction | 2018 |
| Raeburn Place Development Limited | Construction | 2011 |
| Raeburn Place Limited | Hospitality | 2018 |
| Raeshaw Farms Limited | Administrative & support | 1999 |
| Raeside Limited | Administrative & support | 1998 |
| Raetik LP | | 2025 |
| Raewell Firebricks Limited | Extraterritorial | 1947 |
| Rafe Parfum Limited | Manufacturing | 2024 |
| Raffaella Ocone Limited | Professional & scientific | 2023 |
| Raffaelli Consulting Limited | Administrative & support | 2019 |
| Raffaelli Wines Limited | Real estate | 1985 |
| Rafflerays Ltd | Arts & recreation | 2025 |
| Rafikïcoffee Limited | Wholesale & retail | 2019 |
| Rafina Business LP | | 2016 |
| Rafsteel LP | | 2016 |
| Rafyq Jewels Ltd | Wholesale & retail | 2025 |
| RAG & Bone Barbershop Ltd | Other services | 2015 |
| Ragamuffin Edinburgh Limited | Wholesale & retail | 2024 |
| Ragged School of Theology Ltd | Education | 2025 |
| Raghda Shawarma Grill Ltd | Hospitality | 2025 |
| Ragimoff LP | | 2017 |
| Ragl (Edinburgh) Limited | Other services | 2018 |
| Ragley/Seymour SLP | | 1997 |
| Ragnaios Ltd | Transport & logistics | 2019 |
| Ragtop Limited | Information & communication | 2024 |
| Rahman Alliance L.P. | | 2010 |
| Rahman Foodstore Ltd | Wholesale & retail | 2020 |
| Rahman Supermarket Ltd | Wholesale & retail | 2024 |
| Rahman's Curry House Ltd | Hospitality | 2024 |
| Rahmat (Edin) Ltd | Hospitality | 2022 |
| Raidstane Ltd | Professional & scientific | 2021 |
| Rail BI UK Ltd | Information & communication | 2021 |
| Rail Data Networks Consulting Limited | Construction | 2019 |
| Railogical Ltd | Professional & scientific | 2022 |
| Railway Construction LP | | 2014 |