| Kronenwald LP | | 2015 |
| Krotos Ltd | Information & communication | 2013 |
| Kruger Industries LP | | 2025 |
| Kryia LP | | 2008 |
| Kryptone Promotions LP | | 2017 |
| Kryptone Sales LP | | 2017 |
| Krysant Investment Trading (Scotland) Partnership SP | | 2022 |
| KRZ Trading LP | | 2017 |
| Krzysztof Fajks Ltd | Construction | 2018 |
| KS Neuro Ltd | Health & social care | 2023 |
| KSA Group International LP | | 2017 |
| Ksahacher Air LP | | 2017 |
| KSB Bathrooms LLP | | 2026 |
| Kscc Ltd | Construction | 2025 |
| KSD Psychological Therapies Ltd | Health & social care | 2019 |
| KSF I Co-Invest L.P. | | 2011 |
| KSF I GP Limited | Financial services | 2011 |
| KSF I Master L.P. | | 2011 |
| KSF II GP Limited | Financial services | 2015 |
| KSF II Master L.P. | | 2015 |
| KSF III GP Limited | Financial services | 2020 |
| KSH 06 Ltd | Construction | 2026 |
| Kshw Limited | Administrative & support | 2025 |
| KSL New Town Limited | Hospitality | 2016 |
| KSL Property Management Ltd | Real estate | 2013 |
| Kslc Taxis Ltd | Transport & logistics | 2012 |
| KSM Energo LP | | 2017 |
| KSR Inch Limited | Hospitality | 2024 |
| KT Investment Management Ltd | Extraterritorial | 2012 |
| KT Land Limited | Other services | 2023 |
| KT Producing Ltd | Arts & recreation | 2022 |
| KT4IT Ltd | Information & communication | 2021 |
| KTB Group Ltd | Wholesale & retail | 2025 |
| Kthai Limited | Hospitality | 2024 |
| Ktsu Limited | Manufacturing | 2016 |
| KU Restaurant Ltd | Hospitality | 2023 |
| KUC Properties Limited | Real estate | 1966 |
| Kudence Alliance LP | | 2015 |
| Kudos Incentive and Conference Design Limited | Administrative & support | 1998 |
| Kudos Scotland Limited | Information & communication | 2011 |
| KUF Group Ltd | Wholesale & retail | 2025 |
| Kuhlmann Capital Holding LP | | 2021 |
| Kujoch Ltd | Information & communication | 2018 |
| Kukama Limited Partnership | | 2003 |
| Kukina Limited | Manufacturing | 2021 |
| KUL Coffee Roasters Limited | Hospitality | 2025 |
| Kulfitp Ltd | Wholesale & retail | 2026 |
| Kulturalnik Polish Books & Culture Centre CIC | Wholesale & retail | 2024 |
| Kumar International Ltd | Wholesale & retail | 2025 |
| Kumo Brazilian JIU Jitsu Ltd | Education | 2026 |
| Kumon Currie GKP LLP | | 2025 |
| Kunshan Hongyongsheng Mould Co., Ltd | Information & communication | 2025 |
| KUO Consulting & Co. | | 2009 |
| Kupa Steelfixing Europe Ltd | Construction | 2022 |
| Kupa Steelfixing Ltd. | Construction | 2008 |
| Kuprumas Enterprise LP | | 2016 |
| Kuran Traders Ltd | Hospitality | 2015 |
| Kurdish Translation Service Ltd | Professional & scientific | 2024 |
| Kurdistan Bakeries Ltd | Wholesale & retail | 2024 |
| Kurdo Shawarma Ltd | Hospitality | 2025 |
| Kurekodu Limited | Information & communication | 2015 |
| Kuro Consulting Services Limited | Professional & scientific | 2019 |
| Kurshio Studios Ltd | Arts & recreation | 2026 |
| Kusbia & Landa Properties Ltd | Real estate | 2017 |
| Kusbia Limited | Professional & scientific | 2004 |
| Kushwah Foods Ltd | Hospitality | 2025 |
| Kushwah Real Estate Limited | Real estate | 2025 |
| Kuto Properties Limited | Real estate | 2023 |
| Kutoa Consulting Ltd | Information & communication | 2024 |
| Kuzul Ltd | Professional & scientific | 2015 |
| Kvalitet Export LP | | 2010 |
| Kvasa Bakery Ltd | Manufacturing | 2022 |
| Kvatr LP | | 2016 |
| KVC Corporation LP | | 2014 |
| KVN Solutions Ltd | Information & communication | 2016 |
| Kvpr Properties Limited | Hospitality | 2025 |
| KW - OIL & GAS 1 Limited | Mining & quarrying | 2025 |
| KW F Plant Hire Ltd | Administrative & support | 2021 |
| KW Galashiels Ltd | Hospitality | 2018 |
| KW Renewables Ltd | Construction | 2024 |
| KW Scotland Limited | Real estate | 2001 |
| Kwalmer Property Investments Limited | Real estate | 2021 |
| Kwamyc Ltd. | Wholesale & retail | 2019 |
| Kwan Finance Limited | Real estate | 2013 |
| Kwan Investments Limited | Real estate | 2018 |
| KWB Consulting Ltd | Professional & scientific | 2020 |
| Kweileebarbers Ltd | Other services | 2025 |
| Kwek & Mcallister Properties Ltd | Real estate | 2020 |
| Kwetter Consulting LP | | 2021 |
| KWG Ltd | Hospitality | 2022 |
| Kwick Car Hire Ltd | Administrative & support | 2015 |
| Kwick Claims Edinburgh Ltd | Administrative & support | 2019 |
| Kwick-Claims Ltd | Other services | 2012 |
| Kwickshine Limited | Administrative & support | 2024 |
| Kwik Cabs Limited | Transport & logistics | 2002 |
| Kwisa - Women of African Heritage CIC | Other services | 2013 |
| Kwolo Limited | Information & communication | 2020 |
| KWS Assets Ltd | Financial services | 2024 |
| KWS Estates Scotland Ltd | Construction | 2018 |
| Kwubenna Afro-Caribbean Mart & Foods Ltd | Wholesale & retail | 2025 |