| Kaaz Barber Ltd | Administrative & support | 2017 |
| KAG Accountancy Ltd | Professional & scientific | 2016 |
| Kaledon Properties Limited | Real estate | 2015 |
| Kalmed Clinic Ltd | Health & social care | 2016 |
| Kames Consulting LP | | 2016 |
| Kamperman Limited | Administrative & support | 2019 |
| Kandari Global L.P. | | 2012 |
| Kanyo Limited | Hospitality | 2004 |
| Karl's Services Ltd | Extraterritorial | 2021 |
| Karma Scottish Holdings Limited | Hospitality | 2021 |
| Katie Nails Ltd | Other services | 2023 |
| Katrine Wheelz Limited | Wholesale & retail | 2021 |
| Katy Graham Properties Ltd | Real estate | 2025 |
| KB Surfacing Scotland Ltd | Construction | 2020 |
| Kbmc Limited | Transport & logistics | 2020 |
| KBW Technical Services Ltd | Information & communication | 2021 |
| KCM Finance Limited | Financial services | 2025 |
| KDM Care 2 Ltd | Arts & recreation | 2025 |
| KDM Care 3 Ltd | Health & social care | 2026 |
| KDM Care Limited | Health & social care | 2023 |
| Keepsake Stirling Ltd | Wholesale & retail | 2025 |
| Keir & Cawder Limited | Agriculture & fishing | 1947 |
| Keith Russell Consulting Limited | Professional & scientific | 2026 |
| Kellie Walker Ltd | Financial services | 2014 |
| Kelpies and Castles Self Catering Holiday Accommodation Ltd | Hospitality | 2016 |
| Kelso and Titch Limited | Manufacturing | 2023 |
| Kennedy Rentals Ltd | Real estate | 2019 |
| Kent Industrial Limited | Manufacturing | 2024 |
| Kerr Stirling Nominees Limited | Extraterritorial | 2005 |
| Keswick Solutions LP | | 2013 |
| Kevin Wilson Joiners and Building Contractors Limited | Construction | 2015 |
| Kewarash Ltd | Other services | 2025 |
| Keyway Capital LP | | 2017 |
| Khalsa Retail Ltd | Wholesale & retail | 2006 |
| Khan's Beauty Ltd | Other services | 2020 |
| Khizra SAD Traders Ltd | Wholesale & retail | 2025 |
| Khoisan Ltd | Hospitality | 2023 |
| Khoorie Designs Limited | Professional & scientific | 2024 |
| Khusan Services LP | | 2010 |
| Kiadsada Community Interest Company | Professional & scientific | 2026 |
| Kids at Baker Street Ltd | Wholesale & retail | 2024 |
| Kieren Ryan Electrical Services Ltd | Energy | 2024 |
| Kilgannon Motors Car Sales Ltd | Wholesale & retail | 2015 |
| Killie Holdings Limited | Financial services | 2023 |
| Kilted Travel Ltd | Administrative & support | 2022 |
| Kinetic Renewable Services Limited | Other services | 2018 |
| King Street Coffee Limited | Hospitality | 2021 |
| Kingfisher Scotland Ltd | Wholesale & retail | 2015 |
| Kingspark Properties Ltd. | Real estate | 2010 |
| Kingsview Consultancy Ltd | Professional & scientific | 2022 |
| Kinkell Holdings (UK) Limited | Professional & scientific | 1882 |
| Kinness Properties Limited | Real estate | 2024 |
| Kinross and Burns Limited | Construction | 2013 |
| Kintron Marketing LP | | 2016 |
| Kippen Sports Development Ltd | Arts & recreation | 2009 |
| Kirk TB Services Limited | Hospitality | 2025 |
| Kirkland Courier and Freight Services Ltd | Transport & logistics | 2019 |
| Kirsty Aird Equestrian Ltd | Agriculture & fishing | 2022 |
| Kirsty Mcauliffe Ltd | Professional & scientific | 2023 |
| Kismat Stirling Limited | Hospitality | 2025 |
| Kitch OUT Ltd | Other services | 2026 |
| KJ Ice Ltd | Administrative & support | 2023 |
| KJL Elite Joinery & Building Ltd | Construction | 2023 |
| KJM Events Limited | Administrative & support | 2005 |
| KJP Training Limited | Education | 2020 |
| KKS Property Management Limited | Households | 2019 |
| Klassy Kuts Ltd | Other services | 2015 |
| KLL Property Group Limited | Real estate | 2025 |
| KM Metal Roofing Supplies Ltd | Construction | 2025 |
| Kmsoft Limited | Information & communication | 2015 |
| Knead to Relax Ltd | Health & social care | 2026 |
| Kodambakkam Ltd | Hospitality | 2019 |
| KONNIE9 Ltd | Other services | 2023 |
| Kopedi Legodi Ltd | Health & social care | 2022 |
| KRG Joiners & Contractors Ltd | Construction | 2003 |
| KRS Cards & Gifts Limited | Other services | 2018 |
| Kudu-Blu Limited | Professional & scientific | 2013 |
| Kuick Ltd | Hospitality | 2024 |
| Kula Coffee Shop Limited | Hospitality | 2025 |
| Kurdistan 2026 Ltd | Other services | 2026 |
| Kweenie Studio Ltd | Arts & recreation | 2024 |
| LA Fierté Africaine Ltd. | Manufacturing | 2016 |
| LA French Epicerie Limited | Wholesale & retail | 2020 |
| Laburn Impacts LP | | 2016 |
| Lady Pubs Limited | Hospitality | 2026 |
| Ladyglen Holdings Limited | Financial services | 2024 |
| Ladyglen Limited | Hospitality | 1992 |
| Lafeng Logistics LP | | 2016 |
| Laight Farm Limited | Agriculture & fishing | 2014 |
| Laight Hill Limited | Real estate | 2013 |
| Laing Wallace Associates Limited | Administrative & support | 2014 |
| LAK Investment Holdings Limited | Real estate | 2018 |
| Lake of Menteith Fisheries Limited (the) | Agriculture & fishing | 1966 |
| Lalk Limited | Agriculture & fishing | 2022 |
| LAN Construction Services Ltd | Professional & scientific | 2022 |
| Land & Sea Management Ltd | Real estate | 2025 |
| Land and Estate Limited | Real estate | 2013 |
| Land Carbon Ltd | Professional & scientific | 2021 |
| Land of Stickers | | 2009 |
| Lands of Glenside Limited | Energy | 2024 |