| Just Breathe Pilates, Yoga & Barre Ltd | Arts & recreation | 2025 |
| JV Academy NW Limited | Information & communication | 2025 |
| JW Financial Planning Ltd. | Financial services | 2018 |
| JW Merchants Limited | Other services | 2014 |
| JWC Lifestyle Ltd | Arts & recreation | 2023 |
| JWC Meals Ltd | Manufacturing | 2025 |
| K & J Holdings Scotland Ltd | Real estate | 2021 |
| K & K Rail Limited | Construction | 2017 |
| K & T Plant Hire Ltd. | Transport & logistics | 1998 |
| K Callaghan Consulting Ltd | Professional & scientific | 2025 |
| K Smith Wall Finishes Ltd | Construction | 2026 |
| K. Melia Joiners Limited | Construction | 2014 |
| K.R. Foods Limited | Wholesale & retail | 2000 |
| Kaas Ventures Limited | Professional & scientific | 2017 |
| Kabbra Limited | Hospitality | 2019 |
| Kaizen Integrated Management Ltd | Professional & scientific | 2018 |
| Kalz Konz Ltd | Other services | 2026 |
| Kambir Ltd | Construction | 2021 |
| Kames Developments Limited | Construction | 2024 |
| Kano Events Limited | Other services | 2024 |
| Kano Limited | Other services | 2013 |
| Karbal Ltd | Education | 2012 |
| Karis Technical Services Ltd. | Water & waste | 2008 |
| Kasra Ltd | Information & communication | 2025 |
| Kathy Properties Ltd | Real estate | 2025 |
| Katmar Mash Ltd | Health & social care | 2015 |
| Kava Properties Ltd | Households | 2017 |
| KB Mortgages & Protection Ltd | Financial services | 2026 |
| KBR Foods Ltd | Wholesale & retail | 2021 |
| KBR Plastering Ltd | Construction | 2025 |
| KC Coaches Limited | Transport & logistics | 2006 |
| KC Driving Services Limited | Transport & logistics | 2022 |
| KCL Electrical Ltd | Construction | 2021 |
| KCL Ices Ltd | Other services | 2015 |
| Kdus Property Investment Ltd | Real estate | 2021 |
| Keboch Creative Limited | Information & communication | 2019 |
| Kedia Ltd | Information & communication | 2023 |
| Keenan Music Services Ltd | Arts & recreation | 2014 |
| Keenan Property Services Ltd | Real estate | 2023 |
| Kegs OR Tails Ltd | Wholesale & retail | 2021 |
| Keir Trowel Trades Ltd | Construction | 2020 |
| KEM Drawing Services Ltd. | Professional & scientific | 2000 |
| Kemfix Holdings Ltd | Real estate | 2023 |
| Kenmore Water Solutions (UK) Ltd | Water & waste | 2012 |
| Kenna Consultants Ltd | Hospitality | 2011 |
| Kennedy Landscapeing Limited | Administrative & support | 2025 |
| Kenneth Charles Bespoke Joinery Limited | Construction | 2020 |
| Kenz Global Limited | Other services | 2023 |
| Kerala Shoppee Ltd | Wholesale & retail | 2026 |
| Kerr's Bakery Limited | Manufacturing | 2005 |
| Keystore Toor Ltd | Wholesale & retail | 2016 |
| KGC Auto Repair Ltd | Wholesale & retail | 2023 |
| KGR Electrical Services Limited | Construction | 2023 |
| Kilbarchan (Holdings) Limited | Professional & scientific | 2008 |
| Kilpatrick & Mcgill Limited | Construction | 1997 |
| Kilpatrick (Contracts) Ltd. | Construction | 2010 |
| Kinetic IT Solutions Ltd | Wholesale & retail | 2026 |
| King Pooch Ltd | Administrative & support | 2017 |
| Kings County Consultancy Ltd | Professional & scientific | 2025 |
| Kinhomii Ltd | Wholesale & retail | 2026 |
| Kirk West Properties Ltd | Construction | 2018 |
| Kirkton Controls (Scotland) Limited | Financial services | 2022 |
| Kirkton Controls Holdings Limited | Administrative & support | 2015 |
| Kirsty's Cabins Ltd | Real estate | 2021 |
| Kitchen 77 Ltd | Hospitality | 2020 |
| Kkkl 70 Limited | Hospitality | 2020 |
| KKM Garages Ltd | Wholesale & retail | 2020 |
| KKS Transport Ltd | Transport & logistics | 2026 |
| KL Property Scotland Ltd | Real estate | 2023 |
| Klyde Mobility Limited | Wholesale & retail | 2009 |
| KM Bathroom Distributions Ltd | Wholesale & retail | 2021 |
| KMG GAS Services Ltd | Professional & scientific | 2019 |
| KMM (Scotland) Ltd. | Other services | 2013 |
| KMP (Scotland) Ltd. | Other services | 2007 |
| Know Your Strength Fitness Limited | Arts & recreation | 2024 |
| Knowlevation Ltd. | Administrative & support | 2011 |
| Knoxspace Investments Limited | Wholesale & retail | 2025 |
| KO5Y Transport Limited | Transport & logistics | 2017 |
| Kodonidis Cars Ltd | Water & waste | 2024 |
| Kompact (UK) Limited | Extraterritorial | 2013 |
| Kortexsupport Ltd | Administrative & support | 2025 |
| Kotl Ltd | Other services | 2024 |
| KP Hotel Limited | Other services | 2022 |
| KPF EV Limited | Energy | 2026 |
| Kreos Health Ltd | Wholesale & retail | 2026 |
| Krisales Ltd | Hospitality | 2026 |
| KS Electrical (Scotland) Ltd | Construction | 2025 |
| KTK Scotland Ltd | Manufacturing | 2017 |
| KTM Property Management Services Limited | Households | 2026 |
| Kuldip Deol Ltd | Transport & logistics | 2019 |
| Kunora Ltd | Hospitality | 2025 |
| KV Coatings Ltd | Construction | 2026 |
| KWM Groundworks Ltd | Administrative & support | 2024 |
| KYK Catering Ltd | Hospitality | 2024 |
| KZ Hair Academy Ltd. | Education | 2019 |
| L & D Potter Ltd | Wholesale & retail | 2021 |
| L & W Limited | Real estate | 2000 |
| L Blair (Scotland) Limited | Health & social care | 2026 |
| L Brown Projects Limited | Administrative & support | 2014 |
| L H Couriers (Scotland) Ltd. | Transport & logistics | 2019 |