| KAM Lifestyle and Coaching Limited | Other services | 2026 |
| KAM LO Edinburgh Ltd | Hospitality | 2022 |
| KAM Pharm Edin Ltd | Wholesale & retail | 2024 |
| KAM TIN Ltd | Hospitality | 2025 |
| Kamachat International Ltd | Other services | 2016 |
| Kamada Press LP | | 2016 |
| Kamal Capital Estates Limited | Real estate | 2026 |
| Kamalex LP | | 2017 |
| Kamasutra PVT Ltd | Hospitality | 2017 |
| Kameron Trading LP | | 2017 |
| Kamerton Early LP | | 2016 |
| Kamf Enterprises L.P. | | 2012 |
| Kami Quartermile Bubble Tea Limited | Hospitality | 2019 |
| Kami Zhong Limited | Other services | 2015 |
| Kamiyu DMC Partner LP | | 2024 |
| Kamlo Ltd | Hospitality | 2022 |
| Kamman Ltd | Real estate | 2024 |
| Kamorka LP | | 2014 |
| Kampia Assets LP | | 2015 |
| Kampione LP | | 2016 |
| Kampong One Limited | Hospitality | 2025 |
| Kamprad Venture Capital LP | | 2012 |
| Kampston Trading LP | | 2015 |
| Kamu Ltd | Information & communication | 2025 |
| KAN Property and Lettings Ltd | Real estate | 2026 |
| Kan.Ai Limited | Information & communication | 2025 |
| Kanadevia Inova Waverley Farm Contracts Ltd | Agriculture & fishing | 2009 |
| Kandoblanc Ltd | Manufacturing | 2022 |
| Kandola Fast Food Ltd | Hospitality | 2012 |
| Kandy KA Boom Ltd | Wholesale & retail | 2021 |
| Kanecostory LP | | 2014 |
| Kanecostroy LP | | 2014 |
| Kanetic LP | | 2015 |
| Kangol Alliance LP | | 2015 |
| Kangshaguo Food Ltd | Hospitality | 2025 |
| Kangtrade LP | | 2019 |
| Kanon Enterprise Limited | Transport & logistics | 2021 |
| Kanon Group LP | | 2016 |
| Kanpai Limited | Hospitality | 2011 |
| Kanthika Ltd | Hospitality | 2020 |
| Kantor Progress LP | | 2015 |
| Kantynent L.P. | | 2010 |
| Kaparica LP | | 2001 |
| Kapav Technology Solutions Ltd | Information & communication | 2023 |
| Kaper International LP | | 2016 |
| Kapital Residential Limited | Professional & scientific | 2004 |
| Kapiton Impacts LP | | 2016 |
| Kapok Limited | Administrative & support | 2019 |
| Kapoor and Co Limited | Hospitality | 2013 |
| Karal Capital LP | | 2025 |
| Karanan Ltd | Wholesale & retail | 2025 |
| Karanika Property Solutions Limited | Households | 2024 |
| Karavia LP | | 2001 |
| Karaz Food Store Ltd | Hospitality | 2022 |
| Karbox Commerce LP | | 2017 |
| Kardinal Holding LP | | 2016 |
| Karecole Farm Stables Ltd. | Agriculture & fishing | 2013 |
| Kareem G1 Limited | Wholesale & retail | 2025 |
| Kareem Group Limited | Extraterritorial | 2025 |
| Karen and Vincent Bell Training Limited | Other services | 2006 |
| Karen Jacques Sales and Marketing Solutions Ltd | Administrative & support | 2015 |
| Karen Lamond Ltd | Information & communication | 2013 |
| Karen M Jack Limited | Professional & scientific | 2017 |
| Karen Mcgill Limited | Administrative & support | 2022 |
| Karen Rhodes Design Ltd | Wholesale & retail | 2013 |
| Karen Ritchie Virtual Assistant Ltd | Administrative & support | 2019 |
| Karen Wallace Ltd | Professional & scientific | 2024 |
| Karenmoorebiz Ltd | Professional & scientific | 2023 |
| Karex Signature Ltd | Other services | 2025 |
| Karidaw UK Ltd | Health & social care | 2021 |
| Karim Shawarma Limited | Hospitality | 2024 |
| Karima Business LP | | 2016 |
| Karine Maurer Production LP | | 2021 |
| Karinga Corporation L.P. | | 2011 |
| Kario Trade LP | | 2016 |
| Kariserve Ltd | Construction | 2024 |
| Karker Ltd | Hospitality | 2020 |
| Karletino Holdings LP | | 2015 |
| Karlin Real Estate Europe LP | | 2014 |
| Karlin Real Estate Europe SUB LP | | 2014 |
| Karlton Commerce L.P. | | 2013 |
| Karlyville LP | | 2016 |
| Karma App LP | | 2016 |
| Karma Collective Limited | Administrative & support | 2004 |
| Karmack Investment Trading (Scotland) Partnership SP | | 2022 |
| Karn Scientific Ltd | Manufacturing | 2023 |
| Karo Business LP | | 2014 |
| Karolika Holding LP | | 2017 |
| Karpaga Vinayak Properties Limited | Real estate | 2023 |
| Karsen Services LP | | 2013 |
| Karta Trade LP | | 2014 |
| Karwacki Ltd | Hospitality | 2017 |
| Kasay Ltd | Real estate | 2022 |
| Kasbah Events Ltd | Other services | 2025 |
| Kasbah Takeaway Ltd | Hospitality | 2022 |
| Kasbel GAS Limited | Construction | 2023 |
| Kasco Distribution L.P. | | 2009 |
| Kasfood Trade LP | | 2014 |
| Kash KOW Limited | Extraterritorial | 2022 |
| Kasha Scotland Ltd | Real estate | 2016 |