| JJ Landa Properties Ltd | Real estate | 2024 |
| JJ Lets Limited | Households | 2024 |
| JJ Sound LAB Ltd | Information & communication | 2025 |
| JJ TQT Ltd | Construction | 2019 |
| Jjak Investments Limited | Professional & scientific | 2023 |
| Jjak Ltd | Information & communication | 2026 |
| JJB Plumbing & Heating Limited | Construction | 2024 |
| Jjbdm Limited | Construction | 2023 |
| JJC Surgical Limited | Health & social care | 2021 |
| JJD Partners | | 1999 |
| JJL Management Ltd | Extraterritorial | 2012 |
| JJM Travel Ltd | Real estate | 2021 |
| Jjmz Limited | Hospitality | 2019 |
| Jjscaffolding Limited | Construction | 2026 |
| JJT Healthcare Ltd | Health & social care | 2012 |
| JJT Management Ltd | Extraterritorial | 2011 |
| JJW Foods Ltd | Wholesale & retail | 2018 |
| JK Baxi Limited | Transport & logistics | 2023 |
| JK Commodities L.P. | | 2014 |
| JK Consulting (Edinburgh) Limited | Information & communication | 2016 |
| JK IT Solutions Ltd | Information & communication | 2012 |
| JK Property Management Investors Ltd | Real estate | 2023 |
| Jk&W Limited | Real estate | 2021 |
| Jkbw Properties Ltd | Hospitality | 2022 |
| Jkfs (UK) Limited | Financial services | 2011 |
| Jkil Ltd | Real estate | 2020 |
| Jkinsley Limited | Professional & scientific | 2014 |
| Jklm Contracts Ltd | Construction | 2011 |
| JKM Wealth Ltd | Real estate | 2025 |
| Jkml Transport Ltd | Transport & logistics | 2022 |
| Jkoms Global Ltd | Transport & logistics | 2022 |
| JKR Solutions Limited | Administrative & support | 2010 |
| JL Online Accounting Limited | Professional & scientific | 2024 |
| JL Peel Limited Partnership | | 2015 |
| JL Removals Ltd | Transport & logistics | 2023 |
| Jlajgl Limited | Administrative & support | 1997 |
| JLB Management | | 2001 |
| JLC IM Invest Sarl L.P. | | 2011 |
| JLC LET Limited | Real estate | 2023 |
| Jlcom Limited | Information & communication | 2013 |
| Jled Medical Specialists Ltd | Health & social care | 2026 |
| JLL Investment Scottish Limited Partnership II | | 2006 |
| JLP Investments Limited | Financial services | 1950 |
| JLP Scotland Limited | Financial services | 2009 |
| JLP Scottish Limited Partnership | | 2009 |
| JLP Scottish Partnership | | 2017 |
| JLR Investments (Scotland) Limited | Construction | 2021 |
| Jlrm Properties Ltd | Real estate | 2017 |
| JLS Properties (Scotland) Limited | Real estate | 2026 |
| JLT Investments Ltd | Financial services | 2025 |
| JLW Private Hire Ltd | Transport & logistics | 2015 |
| JM Charene Ltd | Professional & scientific | 2011 |
| JM Decor Ltd | Construction | 2019 |
| JM Executive Services Ltd | Transport & logistics | 2025 |
| JM Executive Travel Limited | Transport & logistics | 2013 |
| JM Gaunand Holdings Limited | Real estate | 2021 |
| JM Holdco Limited | Financial services | 2021 |
| JM Independent Financial Advisers Ltd | Financial services | 2014 |
| JM Intermediate Holdco 1 Limited | Financial services | 2021 |
| JM Organics LP | | 2011 |
| Jmarchitects (Group) Limited | Professional & scientific | 1995 |
| Jmarchitects EOT Trustees Limited | Financial services | 2025 |
| Jmarchitects Limited | Professional & scientific | 1997 |
| JMB Wealth Solutions Ltd | Professional & scientific | 2017 |
| JMC Caddies Ltd | Arts & recreation | 2026 |
| JMC Commercial Innovation Limited | Professional & scientific | 2015 |
| Jmcp Logistics Limited | Transport & logistics | 2025 |
| Jmcp Property Ltd | Real estate | 2024 |
| JMD Ecommerce Limited | Information & communication | 2019 |
| JMD Events Limited | Other services | 2007 |
| JMD Systems Limited | Information & communication | 2019 |
| JMF Building Services Edinburgh Ltd | Construction | 2026 |
| JMF Plumbing Ltd | Construction | 2024 |
| JMG (Scotland) Limited | Professional & scientific | 2014 |
| JMG LP | | 2014 |
| JMH IT Limited | Information & communication | 2012 |
| JMJ Properties Ltd. | Real estate | 1997 |
| Jmka Investments 1 LP | | 2012 |
| Jmka Investments Limited | Real estate | 2012 |
| JMM Catering Ltd | Hospitality | 2026 |
| Jmove Ltd | Education | 2026 |
| JMP Emperor Ltd | Wholesale & retail | 2025 |
| JMP LP | | 2016 |
| JMP Selection Limited | Administrative & support | 2009 |
| JMR International LP | | 2022 |
| JMR Property Renovation Ltd | Construction | 2019 |
| JMS (Edinburgh) Limited | Administrative & support | 2026 |
| JMS Communications Ltd | Professional & scientific | 2018 |
| Jmtc Capital LP | | 2025 |
| Jnovaseo LP | | 2024 |
| JNP Capital Ltd | Real estate | 2017 |
| JNR Enterprise (Scotland) Ltd | Transport & logistics | 2018 |
| Jntl Business Consultants Limited | Information & communication | 2017 |
| JNV Marketing LP | | 2022 |
| JO Birch Ltd | Professional & scientific | 2009 |
| Joan Digital Limited | Professional & scientific | 2024 |
| Joanna Adamczak-Gawrychowska Ltd | Health & social care | 2016 |
| Joanna J Taylor Limited | Other services | 2025 |
| Joanne Adams Boyle Coaching Ltd | Wholesale & retail | 2025 |
| Joarthorx Ltd | Administrative & support | 2023 |