| Karen Anne Jamieson Ltd | Health & social care | 2021 |
| Karmar Properties Limited | Real estate | 2023 |
| Karobotics Limited | Information & communication | 1999 |
| Karolina Kotkiewicz Photography Ltd | Professional & scientific | 2016 |
| KC Arts Solutions Ltd | Arts & recreation | 2026 |
| KCL Law Ltd | Professional & scientific | 2021 |
| KCM Contractor Consultants Ltd | Real estate | 2025 |
| KD Detailing Ltd | Transport & logistics | 2024 |
| KDR Holdings Limited | Financial services | 2025 |
| Keinys Trans Ltd | Transport & logistics | 2017 |
| Kelvarra Holdings Limited | Financial services | 2025 |
| Kennedy Bros Plumbing Limited | Construction | 2020 |
| Kerr Event Cleaning Services Ltd | Administrative & support | 2014 |
| Kerr GAS Services Ltd | Construction | 2018 |
| Kerr Transport (Scotland) Limited | Transport & logistics | 2010 |
| Kerrach Limited | Financial services | 2012 |
| Kesl CNC Ltd | Manufacturing | 2013 |
| Kevin D Rhodes Photography Ltd | Professional & scientific | 2026 |
| Keys Health Ltd | Health & social care | 2022 |
| Keyworx Property Solutions Ltd | Real estate | 2023 |
| KGS Property Ltd | Real estate | 2023 |
| KH Foods Ltd | Hospitality | 2019 |
| KH Pipeline & Process Services Limited | Other services | 2017 |
| Khames Ltd | Real estate | 2022 |
| Kharah Pathways CIC | Information & communication | 2024 |
| KHM Property Solutions Ltd | Real estate | 2023 |
| KHM Valeting Ltd | Administrative & support | 2023 |
| Khyathi Investments Limited | Real estate | 2022 |
| Khyathi Technology Services Ltd | Information & communication | 2024 |
| Kiara Homes Ltd | Real estate | 2024 |
| Kibs Mobiles Ltd | Wholesale & retail | 2025 |
| Kick Mental Health Ltd | Other services | 2024 |
| Kids Gone Wild Ltd | Education | 2018 |
| Kidz-Eco CIC | Wholesale & retail | 2009 |
| Kings Court (Scotland) Ltd | Hospitality | 2025 |
| Kingsmeadows Nursery (Peebles) Limited | Education | 2005 |
| Kinn-Weld Ltd | Wholesale & retail | 2019 |
| Kinross Tech Recruitment Ltd | Administrative & support | 2026 |
| Kirkton Flooring Ltd. | Construction | 2002 |
| Kirkton Labs Ltd | Information & communication | 2026 |
| Kirkton Properties Ltd | Real estate | 2022 |
| KJ Johnson Ltd | Administrative & support | 2014 |
| KK Properties Management Ltd | Real estate | 2024 |
| KKG Office Ltd | Professional & scientific | 2022 |
| Klean Kraft LLP | | 2005 |
| KM HSE Consultancy Services Ltd | Professional & scientific | 2018 |
| KMB Business Consultancy Ltd | Professional & scientific | 2021 |
| Knight Financial Training Limited | Education | 2006 |
| Knowepark Caravans Limited | Wholesale & retail | 1987 |
| Kobani Hairstyle Ltd | Other services | 2024 |
| Kompan Scotland Ltd | Construction | 1990 |
| Konica Minolta Business Solutions (Northern Scotland) Limited | Professional & scientific | 2014 |
| Konya Cafe Ltd | Hospitality | 2025 |
| KOS Formwork Service Ltd | Manufacturing | 2020 |
| Kozy Play Cafe Ltd | Hospitality | 2024 |
| KR Professional Cleaning Services Ltd | Administrative & support | 2024 |
| KRY Install Aluminium Systems Limited | Construction | 2018 |
| Kscabs Ltd | Wholesale & retail | 2024 |
| KSK Consultancy Ltd | Information & communication | 2025 |
| Kuldipair Limited | Hospitality | 2026 |
| Kung FU Express Ltd | Hospitality | 2021 |
| Kurita UK Ltd | Manufacturing | 2000 |
| KW Freight Ltd | Transport & logistics | 2024 |
| Kzcg Ltd | Administrative & support | 2021 |
| L Fraser & Daughters Ltd | Real estate | 2023 |
| L'Atelier Styling Limited | Other services | 2015 |
| L2P Automatic Driving School Ltd | Education | 2021 |
| LA Casa Amore Ltd | Manufacturing | 2025 |
| Labserve Limited | Professional & scientific | 2004 |
| Ladies Top CUT Ltd | Other services | 2019 |
| Laing Services Limited | Public administration | 2019 |
| Laird Taxis Ltd. | Transport & logistics | 2006 |
| Lajoya Ltd | Financial services | 2025 |
| Lakejewis Limited | Financial services | 2023 |
| Lambert & Lambert Engineering Consultancy Limited | Professional & scientific | 2016 |
| Lanarkshire GAS LLP | | 2015 |
| Lanarkshire GAS Services Limited | Construction | 2019 |
| Lareen Hair Ltd | Other services | 2024 |
| Lareine Engineering (Holdings) Limited | Financial services | 2017 |
| Lareine Engineering Limited | Administrative & support | 2004 |
| Laroch Healthcare Ltd | Health & social care | 2023 |
| Laserpulse Limited | Health & social care | 2013 |
| Launchpad Custombuild Homes Limited | Construction | 2019 |
| Launchpad Custombuild Limited | Construction | 2019 |
| Laundry SOS LLP | | 2026 |
| Laviniu Kiss Ltd | Transport & logistics | 2026 |
| Lavish AFK Limited | Real estate | 2026 |
| Lawn Legend Ltd | Administrative & support | 2022 |
| Lazak Limited | Transport & logistics | 2022 |
| LB Rental Properties Ltd | Real estate | 2025 |
| LB Support Services Ltd | Administrative & support | 2019 |
| Ldlar Properties Ltd | Real estate | 2025 |
| Lead INT Commerce Limited | Wholesale & retail | 2025 |
| Leadgenz.Ai Ltd | Information & communication | 2026 |
| Leading Edge Contracts Ltd | Construction | 2025 |
| Leading Edge Elite Assets & Supplies Ltd | Wholesale & retail | 2025 |
| Leading Edge R&D Custom Solutions Ltd | Professional & scientific | 2025 |
| Leading Edge Staff & Trades Ltd | Administrative & support | 2025 |
| Leading Edge Training & Consultancy Ltd | Professional & scientific | 2025 |
| Leeshun Edinburgh Ltd | Hospitality | 2024 |