| KA Regent Ltd | Hospitality | 2023 |
| Kaash IT Solutions Limited | Transport & logistics | 2013 |
| Kaashi Arts Productions | Arts & recreation | 2018 |
| Kaely Phelps Psychotherapy Ltd | Health & social care | 2026 |
| Kafka Ltd | Professional & scientific | 2009 |
| Kahe Ltd | Professional & scientific | 2026 |
| Kahtan Limited | Construction | 2018 |
| KAI Fitness Ltd | Arts & recreation | 2018 |
| KAI Sushi Limited | Hospitality | 2026 |
| Kaichi Ltd | Wholesale & retail | 2024 |
| Kailash Cash and Carry Ltd | Wholesale & retail | 2024 |
| Kairo Commerce Ltd | Wholesale & retail | 2026 |
| Kaizen AI Innovations Ltd | Information & communication | 2026 |
| Kaizen Co International Limited | Information & communication | 2021 |
| Kaizen Pharma Limited | Health & social care | 2010 |
| Kaizenclan Ltd | Wholesale & retail | 2025 |
| Kajane Property Ltd | Real estate | 2026 |
| Kaji Foods Ltd | Manufacturing | 2025 |
| Kaji Ventures Ltd | Wholesale & retail | 2024 |
| Kaksh Ltd | Hospitality | 2026 |
| Kalenberg International Services Ltd | Extraterritorial | 2021 |
| Kalezon Ltd | Wholesale & retail | 2018 |
| Kalika Tours and Travels Ltd | Administrative & support | 2024 |
| Kalixenos Limited | Administrative & support | 2021 |
| Kalki Tech Services Ltd | Information & communication | 2024 |
| Kalmam Ltd | Construction | 2023 |
| Kaloryt Limited | Construction | 2018 |
| Kalpana Enterprise Limited | Wholesale & retail | 2012 |
| Kalpnik Holdings Ltd | Real estate | 2020 |
| Kalpnik Investments Ltd | Real estate | 2021 |
| Kalvin Services Limited | Public administration | 2025 |
| Kamacio Ltd | Administrative & support | 2016 |
| Kamala Rani Limited | Information & communication | 2022 |
| Kamalaka Investments Limited | Real estate | 2018 |
| Kamani Properties Limited | Real estate | 2015 |
| Kamarad Ltd | Transport & logistics | 2019 |
| Kamel Property Management Limited | Real estate | 2022 |
| Kamelia.Atanasova Ltd | Administrative & support | 2017 |
| Kampaign-Me Ltd | Real estate | 2025 |
| Kamsar Mont Fort Limited | Administrative & support | 2021 |
| Kamsarmax Holdco Limited | Transport & logistics | 2021 |
| Kamz Services Limited | Administrative & support | 2025 |
| KAN Construction Ltd | Construction | 2020 |
| Kandy Popcorn Ltd | Hospitality | 2019 |
| Kaneji Properties Limited | Real estate | 2025 |
| Kang Capital Investments Ltd | Hospitality | 2019 |
| Kang Capital Limited | Other services | 2017 |
| Kanico Ltd | Other services | 2017 |
| Kanir Limited | Wholesale & retail | 2026 |
| KANKAP-157 Ltd | Construction | 2025 |
| Kanman Limited | Information & communication | 2025 |
| Kansa Sole Sanctuary Ltd | Wholesale & retail | 2025 |
| KAP Consultancy Limited | Professional & scientific | 2010 |
| Kapelli Limited | Construction | 2006 |
| Kapital Property Ltd | Real estate | 2026 |
| Kappa Fixings Limited | Real estate | 2013 |
| Karafarin Bank Ltd | Financial services | 2006 |
| Karahiwala Limited | Hospitality | 2020 |
| Karania Ltd | Wholesale & retail | 2021 |
| Kareena Trading Limited | Wholesale & retail | 2021 |
| Karel Management Limited | Real estate | 2016 |
| Karepack Ltd | Wholesale & retail | 2016 |
| Karepack Properties Ltd | Real estate | 2021 |
| Karim & Co Law Limited | Professional & scientific | 2025 |
| Karim Holdings Ltd | Real estate | 2021 |
| Karina's Beauty Ltd | Other services | 2025 |
| Karm E&C Contractor Ltd | Professional & scientific | 2017 |
| Karm Property I&M Ltd | Real estate | 2026 |
| Karma Bitez Ltd | Wholesale & retail | 2024 |
| Karmakai Photography Ltd | Information & communication | 2015 |
| Karmana Limited | Hospitality | 2014 |
| Karmic Care Ltd | Health & social care | 2026 |
| Karni's Butchers Ltd | Wholesale & retail | 2025 |
| Karrom Ltd | Hospitality | 2024 |
| Kartco Ltd | Professional & scientific | 2021 |
| KAS Construction (NW) Limited | Construction | 2022 |
| KAS Networks Limited | Information & communication | 2011 |
| KAS Online Limited | Wholesale & retail | 2025 |
| Kash Medical Ltd | Health & social care | 2015 |
| Kash Relocation Ltd | Real estate | 2021 |
| Kasia's Cleaners Ltd. | Administrative & support | 2013 |
| Kasish Food Limited | Hospitality | 2026 |
| Kass Food Ltd | Wholesale & retail | 2020 |
| Kassow & Sons Ltd | Other services | 2025 |
| Kasturi and Sons, Limited | | 1940 |
| Katapixia Art Ltd | Education | 2021 |
| Katedo Ltd | Professional & scientific | 2021 |
| Katy Cort Ltd | Construction | 2023 |
| Kavachi Ltd | Extraterritorial | 2013 |
| Kaval Orthodontics Limited | Health & social care | 2014 |
| Kavell Industrial Cleaning Ltd | Administrative & support | 2026 |
| Kavi Property Ltd | Real estate | 2026 |
| Kavi Wholesale Ltd | Hospitality | 2019 |
| Kavitha Food and Wine Limited | Wholesale & retail | 2017 |
| Kaviya Catering Service Ltd | Hospitality | 2025 |
| Kavrana Realty Limited | Real estate | 2024 |
| Kavrish UK Ltd | Wholesale & retail | 2025 |
| Kavya Fashions Ltd | Other services | 2023 |
| Kawaali$ Ltd | Manufacturing | 2025 |
| Kawaii Affairs Ltd | Wholesale & retail | 2022 |