| JWR Investments Limited | Administrative & support | 2012 |
| JZB Electrical Ltd | Construction | 2026 |
| K & J Properties (Dunoon) Ltd | Real estate | 2018 |
| K Leckie Joinery & Construction Ltd | Construction | 2026 |
| K Render Level UP Ltd | Construction | 2025 |
| K&K Properties (Scotland) Limited | Real estate | 2024 |
| K&R Captures Ltd | Professional & scientific | 2024 |
| K. Park (NO.43C) Limited | Hospitality | 1984 |
| K9 FUN Park Ltd | Arts & recreation | 2022 |
| KA Staff Services Limited | Wholesale & retail | 2023 |
| Kajg Ltd | Transport & logistics | 2025 |
| Kalm Contracts Ltd | Construction | 2025 |
| Kandala Property Management Limited | Real estate | 2023 |
| Kandyland Confectionery Ltd | Hospitality | 2020 |
| Kapadiya Enterprises Ltd | Wholesale & retail | 2025 |
| Karens House Ltd | Health & social care | 2026 |
| KAY R Transport Ltd | Transport & logistics | 2025 |
| Kay's Motors Solution Ltd | Wholesale & retail | 2023 |
| Kay's Timber Ltd | Wholesale & retail | 2021 |
| KBM Surveying Ltd | Professional & scientific | 2022 |
| KCD Electrical (Scotland) Ltd | Construction | 2022 |
| Kcmsd Ltd | Health & social care | 2017 |
| KD & SD Services Limited | Professional & scientific | 2013 |
| Kean Companions Ltd | Administrative & support | 2026 |
| Kearney Facilities Management Ltd | Administrative & support | 2025 |
| Kebabish One Ltd | Hospitality | 2023 |
| Keeling Property Limited | Real estate | 2020 |
| Kelbie Electrical Ltd | Construction | 2015 |
| Kemm Movers Ltd | Transport & logistics | 2025 |
| KEN Bear Limited | Professional & scientific | 2005 |
| Kensington Hair & Beauty Spa Ltd | Other services | 2024 |
| Kensington Hair Spa and Blow Bar Ltd | Other services | 2018 |
| Kerdem Offshore Grouting Services Ltd | Construction | 2022 |
| Keskes Joinery Limited | Construction | 2017 |
| Kestrel Property Assets Ltd | Real estate | 2024 |
| KG Key Services S LP | | 2023 |
| Khan Trading Glasgow Ltd | Wholesale & retail | 2020 |
| Kilbagie Ltd | Wholesale & retail | 2024 |
| Kilgraston Swimming Pool Ltd | Arts & recreation | 2025 |
| Kinkell Services (Airdrie) Limited | Financial services | 2013 |
| Kirkhouse Properties Ltd | Administrative & support | 2003 |
| Kismat Airdrie Limited | Hospitality | 2025 |
| KJ Medical and Safety Limited | Health & social care | 2011 |
| KJD Property Lettings Ltd | Real estate | 2020 |
| KJY Properties Limited | Real estate | 2025 |
| KL Renovations Ltd | Construction | 2024 |
| KM Golf Limited | Other services | 2014 |
| Kmac Finance Ltd | Financial services | 2023 |
| KMG Body Ltd | Wholesale & retail | 2018 |
| KMK Quality Surfacing Ltd | Construction | 2025 |
| KMW Transport Services Ltd | Transport & logistics | 2025 |
| Knbl Services Limited | Water & waste | 2002 |
| KOL Logistics Ltd | Transport & logistics | 2024 |
| Koosh Photography Limited | Professional & scientific | 2014 |
| Korban Distribution Ltd | Wholesale & retail | 2023 |
| Koven Moon Limited | Other services | 2019 |
| Kraken Property Investments Ltd | Real estate | 2020 |
| Kratos Coaching Ltd | Arts & recreation | 2025 |
| KRS Construction ALL Trades Ltd | Construction | 2021 |
| KS Commercial Vehicle Repairs Ltd | Wholesale & retail | 2018 |
| KS Drive Ltd | Transport & logistics | 2025 |
| KSD Developements Limited | Professional & scientific | 2011 |
| Kurdcafe Ltd | Hospitality | 2024 |
| Kuvaka Ltd. | Wholesale & retail | 2023 |
| KWM Locksmiths Ltd | Other services | 2026 |
| KWR Consultancy Limited | Other services | 2019 |
| L & C Roofing Ltd | Construction | 2023 |
| L Morrison Investments Ltd | Financial services | 2026 |
| L Y Commercial Ltd | Administrative & support | 2023 |
| L&K’S Aesthetics Ltd | Health & social care | 2020 |
| L&Mgasservice Ltd | Construction | 2026 |
| Labb Digital Solutions Limited | Information & communication | 2018 |
| Label TEC Scotland Limited | Manufacturing | 2005 |
| Lacabra One Ltd | Hospitality | 2025 |
| Lafferty Contracts Ltd | Construction | 2026 |
| Lairdburn Ltd | Hospitality | 2019 |
| Lanarkshire and South Glasgow Sensory Ltd | Health & social care | 2016 |
| Lanarkshire Capital Limited | Real estate | 2018 |
| Lanarkshire Mortgage and Insurance Services Ltd | Financial services | 2008 |
| Lanarkshire Music Collective CIC | Arts & recreation | 2024 |
| Lanarkshire Plumbing Ltd | Construction | 2008 |
| Lanarkshire Private Hire Ltd. | Administrative & support | 2005 |
| Landras Ltd | Wholesale & retail | 2023 |
| Landreef Limited | Real estate | 2005 |
| Laser Toner Solutions Limited | Wholesale & retail | 1997 |
| Lash Lounge and Beauty Ltd | Other services | 2021 |
| Latch on Lanarkshire Ltd | Health & social care | 2019 |
| Latev Solution Ltd | Transport & logistics | 2025 |
| Laura K Fitness Ltd | Arts & recreation | 2023 |
| Lavery Driving School Limited | Education | 2012 |
| Lawlor Letting Ltd | Real estate | 2023 |
| LAY by Bar Ltd | Hospitality | 2023 |
| Leafpic Solutions Limited | Financial services | 2011 |
| Leah Jade Aesthetics Salon & Academy Ltd | Other services | 2025 |
| Leanco Ltd | Professional & scientific | 2022 |
| Learson Film and TV Ltd | Information & communication | 2023 |
| Lees CT Serviced Accommodation Ltd | Hospitality | 2025 |
| Legends 2020 Ltd | Hospitality | 2020 |
| Leila Holdings Limited | Real estate | 2021 |
| Lenso Holdings Limited | Transport & logistics | 2016 |