| Jrgk Consultancy Limited | Administrative & support | 2013 |
| JRM Investment Management Ltd | Extraterritorial | 2012 |
| JRM Resourcing Ltd | Administrative & support | 2017 |
| JRN Taxis Ltd. | Professional & scientific | 2005 |
| JRS Investment Management Ltd | Extraterritorial | 2011 |
| JRV Energy LP | | 2018 |
| JS & a Edinburgh Ltd. | Hospitality | 2022 |
| JS Decor (Edin) Ltd | Construction | 2022 |
| JS Denoon Ltd | Administrative & support | 2017 |
| JS Electrical (Moray) Limited | Construction | 2026 |
| JS Projects (Scotland) Ltd | Manufacturing | 2022 |
| JS Property 2022 Ltd | Real estate | 2022 |
| JS Ramsay Estates Limited | Real estate | 2007 |
| JS Sons Property's Ltd | Real estate | 2025 |
| Js&Z Properties Limited | Real estate | 2022 |
| JSB (Contracts) Limited | Construction | 2012 |
| JSB (Scotland) Ltd | Hospitality | 2021 |
| JSE Chans Ltd | Hospitality | 2019 |
| JSE Mcchans Ltd | Hospitality | 2026 |
| JSG Investment Management Ltd | Extraterritorial | 2012 |
| Jsgthomson Consulting Ltd | Information & communication | 2017 |
| Jsjj Management Ltd | Extraterritorial | 2011 |
| JSM HR Ltd | Professional & scientific | 2025 |
| JSM Public Houses Limited | Hospitality | 2024 |
| JSN Holdings Ltd | Financial services | 2020 |
| JSR Create Limited | Information & communication | 2022 |
| JSS NO 1 Ltd | Extraterritorial | 2011 |
| JSS Scot Limited | Hospitality | 2024 |
| JST Software Development Limited | Information & communication | 2014 |
| JT Boxing Club C.I.C. | Arts & recreation | 2023 |
| Jt&Cb Ltd | Hospitality | 2025 |
| JT2024 Limited | Extraterritorial | 2013 |
| JTM Decorating Ltd | Construction | 2024 |
| JTM Group Ltd | Real estate | 2024 |
| JTM Rentals Limited | Real estate | 2025 |
| JTS Investment Management Ltd | Extraterritorial | 2012 |
| JTT Catering Edinburgh Ltd | Hospitality | 2026 |
| Jttm Consultancy Limited | Professional & scientific | 2014 |
| JTZ Development Limited | Construction | 2015 |
| Juason LP | | 2014 |
| Jubilea LP | | 2015 |
| Jubilee Place (Retail) Unit Trust GP Limited | Real estate | 2006 |
| Jubilee Place (Retail) Unit Trust LP Limited | Real estate | 2006 |
| Juddster Project LP | | 2013 |
| Judi Food Ltd | Hospitality | 2026 |
| Judith Brownlie Consultancy Limited | Professional & scientific | 2004 |
| Judith Montgomery Limited | Administrative & support | 2021 |
| Juemiv Management Ltd | Professional & scientific | 2025 |
| Juice Electrical Contractors Scotland Ltd | Manufacturing | 2026 |
| Juicev Limited | Information & communication | 2023 |
| Juici Trading LP | | 2016 |
| Juicy Peach Media LP | | 2015 |
| Jula Developments Limited | Construction | 2021 |
| Julian Business LP | | 2014 |
| Julie Langford Ltd | Professional & scientific | 2024 |
| Julie Mcmanus Celebrant Limited | Other services | 2021 |
| Julie Rogeon LP | | 2020 |
| Juliens Auctions Limited | Wholesale & retail | 2006 |
| Juliet Capital LP | | 2010 |
| Juliet Rose Boutique Ltd | Wholesale & retail | 2020 |
| Juliet Rose Property Ltd | Real estate | 2020 |
| Juliet Travers Limited | Professional & scientific | 2013 |
| Julietta LP | | 2014 |
| Juls Courier Ltd | Transport & logistics | 2026 |
| Julzberg Global Limited Limited | Professional & scientific | 2026 |
| Jumbo Elegant LP | | 2017 |
| Jumelé Ltd | Professional & scientific | 2025 |
| Jump Heroes Limited | Arts & recreation | 2020 |
| Jump Research Ltd | Professional & scientific | 2011 |
| Jump the Curve Limited | Other services | 2002 |
| Jumping Bean Training Ltd | Information & communication | 2006 |
| JUN Chen Limited | Hospitality | 2016 |
| Junaidanwar Ltd | Wholesale & retail | 2026 |
| Junction Salon Ltd | Other services | 2025 |
| JUNCTION37 Ltd | Real estate | 2018 |
| June Home Staging Ltd | Professional & scientific | 2025 |
| Jung Hughes Property Ltd | Real estate | 2024 |
| Jungle Telegraph Ltd | Wholesale & retail | 2019 |
| Junior Alliance LP | | 2017 |
| Juniper Bars Limited | Hospitality | 2019 |
| Juniper Bay LP | | 2004 |
| Juniper Development LLP | | 2013 |
| Juniper Green Advisors Limited | Professional & scientific | 2010 |
| Juniper Green Building Co. Ltd | Construction | 2006 |
| Juniper Green Taxis Limited | Professional & scientific | 2007 |
| Juniper Joinery Limited | Construction | 2021 |
| Juniper Kitchen Design Ltd | Wholesale & retail | 2019 |
| Juniper LP | | 2017 |
| Juniper Partners Limited | Administrative & support | 2009 |
| Juniper Plumbing & Heating Ltd | Construction | 2023 |
| Juniper Properties (US) Limited | Financial services | 2023 |
| Juniper Residential Limited | Administrative & support | 2018 |
| Junk (Edinburgh) Ltd | Hospitality | 2021 |
| Junk Street Food Ltd | Hospitality | 2023 |
| Junkshopantiques Limited | Wholesale & retail | 2023 |
| Junnect Ltd | Wholesale & retail | 2025 |
| Junnect Stays Ltd | Hospitality | 2026 |
| Juno Cognitio Limited | Information & communication | 2025 |
| Jupiter Infologic Limited | Information & communication | 2015 |
| Jupiter Play Holdings Limited | Financial services | 2023 |