| 1266 Music Group Ltd | Professional & scientific | 2020 |
| 1286 Taxis Ltd. | Professional & scientific | 2010 |
| 12GUITARS Ltd | Education | 2019 |
| 12TH Avenue Concept Technologies Ltd | Information & communication | 2024 |
| 12TH MAN Hospitality Ltd | Arts & recreation | 2026 |
| 12TH MAN Media Ltd. | Professional & scientific | 2011 |
| 12TH MAN Memorabilia Ltd | Wholesale & retail | 2020 |
| 12TREE L.P. | | 2017 |
| 13 Architect Ltd | Professional & scientific | 2019 |
| 13 Black Clothing Co. Ltd | Wholesale & retail | 2026 |
| 13 Mari Limited | Professional & scientific | 2024 |
| 13 Private Ltd | Real estate | 2026 |
| 1309 SO Beauty Ltd | Other services | 2025 |
| 1313 Ltd | Wholesale & retail | 2026 |
| 1314 Limited | Arts & recreation | 1992 |
| 1314 Stirling Limited | Wholesale & retail | 2023 |
| 135 Blythswood Ltd | Real estate | 2022 |
| 136 Bowery Brew Co Limited | Hospitality | 2026 |
| 137 Property Company Limited | Real estate | 2018 |
| 139 SVS Ltd | Real estate | 2023 |
| 139ELBERT Drive Ltd | Wholesale & retail | 2020 |
| 14 Sana Limited | Hospitality | 2019 |
| 14 Shells Property Ltd | Real estate | 2023 |
| 1405 Properties Ltd | Real estate | 2025 |
| 141 West Regent Street Limited | Real estate | 2020 |
| 143 Sauchiehall Street Limited Partnership | | 2010 |
| 147 Scot. Limited | Arts & recreation | 2020 |
| 14:46 Consulting Ltd | Professional & scientific | 2020 |
| 14FEET High Ltd | Hospitality | 2022 |
| 14GLOWJET Ltd | Wholesale & retail | 2025 |
| 14TH Floor Productions Ltd | Information & communication | 2020 |
| 15 Castle Ltd | Hospitality | 2025 |
| 15 CM Ltd | Real estate | 2024 |
| 15 Financial Management Ltd | Financial services | 2024 |
| 150 Developments Ltd | Construction | 2020 |
| 150 High Street Residences Limited | Other services | 2023 |
| 1501KITCHENS Ltd | Hospitality | 2026 |
| 151 Vault Ltd | Wholesale & retail | 2026 |
| 151 WGS Ltd | Real estate | 2025 |
| 1554 Management Ltd. | Arts & recreation | 2001 |
| 158 Engineering Limited | Wholesale & retail | 2021 |
| 1599 Limited | Hospitality | 2012 |
| 16 Collective CIC | Wholesale & retail | 2020 |
| 1606 Ltd | Information & communication | 2023 |
| 164 Edin Ltd. | Professional & scientific | 2004 |
| 1688 Limited | Hospitality | 2024 |
| 16TH Clyde Ltd | Education | 2025 |
| 17 WS Limited | | 2015 |
| 171 Khonkaen Ltd | Hospitality | 2022 |
| 1710 Leisure Ltd | Hospitality | 2024 |
| 1729 Neuroradiology Reporting Limited | Health & social care | 2018 |
| 175 Properties Limited | Real estate | 2024 |
| 18 Investments Ltd | Financial services | 2019 |
| 18 Millview Ltd | Real estate | 2019 |
| 18 West High Street Ltd | Real estate | 2023 |
| 180 Regent Squares Ltd | Administrative & support | 2020 |
| 1864 Surgical Ltd | Health & social care | 2018 |
| 1879 Brand Ventures Ltd. | Wholesale & retail | 2018 |
| 1888 Productions Ltd | Information & communication | 2025 |
| 18DUT Ltd | Information & communication | 2022 |
| 19 Stuart Street Limited | Real estate | 2025 |
| 19.25 Orthodontics Limited | Health & social care | 2015 |
| 1919 Publishing Limited | Information & communication | 2022 |
| 1943 Ltd | Real estate | 2022 |
| 1953 Property Topco Limited | Financial services | 2026 |
| 1953 Topco Limited | Financial services | 2026 |
| 1953SANDRA Ltd. | Hospitality | 2021 |
| 19755 Limited | Construction | 2025 |
| 1981 Holdings Limited | Administrative & support | 2015 |
| 1990 G2 Ltd | Hospitality | 2025 |
| 1999 Limited | Professional & scientific | 2022 |
| 19J&F Property Investments Limited | Real estate | 2021 |
| 19X Consultancy Limited | Other services | 2011 |
| 1BP (Scotland) Limited | Construction | 2015 |
| 1BUSINESS Consulting Limited | Professional & scientific | 2017 |
| 1CALL Direct Limited | Administrative & support | 2003 |
| 1CALL Utilities Limited | Administrative & support | 2013 |
| 1CLICK2BUY Ltd | Wholesale & retail | 2024 |
| 1CLICKKART Ltd | Wholesale & retail | 2021 |
| 1CRACKED Limited | Wholesale & retail | 2023 |
| 1DELIVERY Ltd | Transport & logistics | 2025 |
| 1GM Consultancy Limited | Professional & scientific | 2024 |
| 1M12 Ltd | Real estate | 2020 |
| 1SOURCE ALL Trade Solutions Ltd | Construction | 2026 |
| 1SS Limited | Information & communication | 2023 |
| 1ST Active Security Ltd. | Administrative & support | 1997 |
| 1ST Choice Boilers Ltd | Construction | 2022 |
| 1ST Choice Furniture and Interiors Ltd | Wholesale & retail | 2022 |
| 1ST Choice Joinery Ltd | Construction | 2019 |
| 1ST Choice Party Shop Limited | Wholesale & retail | 2016 |
| 1ST Choice Tiling Ltd | Construction | 2022 |
| 1ST CLAIMS4U Limited | Financial services | 2018 |
| 1ST Class Gardens Ltd | Other services | 2023 |
| 1ST Class Restorations Limited | Other services | 2012 |
| 1ST Class Trophies & Awards Limited | Wholesale & retail | 2017 |
| 1ST Corporate Cleaning Ltd | Extraterritorial | 2014 |
| 1ST Corporate Security Ltd | Administrative & support | 2014 |
| 1ST Diamond Barbers Ltd | Other services | 2025 |
| 1ST Direct Drainage Services Limited | Professional & scientific | 2002 |
| 1ST Direct Maintenance Services Limited | Professional & scientific | 2002 |