| KA and G Orthodontics Limited | Health & social care | 2022 |
| KA Crown Ltd | Wholesale & retail | 2025 |
| KA Platinum Builders Limited | Financial services | 2022 |
| KA Platinum Construction Ltd | Construction | 2025 |
| KA Platinum Properties Ltd | Real estate | 2025 |
| KA Property Holdings Ltd | Construction | 2022 |
| KA Retail Bradford Ltd | Wholesale & retail | 2024 |
| KA Teaching Services Ltd | Extraterritorial | 2023 |
| KA Test Consultant Ltd | Information & communication | 2021 |
| Ka-Fei & Co Limited | Hospitality | 2026 |
| Ka-Fei House Limited | Hospitality | 2022 |
| Kaaf Heritage Ltd | Households | 2024 |
| Kaains Limited | Wholesale & retail | 2023 |
| Kaas Store Ltd | Wholesale & retail | 2025 |
| Kaatchme Limited | Wholesale & retail | 2023 |
| Kabeer Travels Ltd | Transport & logistics | 2021 |
| Kachholia Limited | Other services | 2026 |
| Kadeashiq Limited | Information & communication | 2026 |
| Kadops Holdings Limited | Financial services | 2018 |
| Kadvice Ltd | Administrative & support | 2020 |
| Kaeenaat Properties Ltd | Construction | 2021 |
| Kaftan Store Limited | Wholesale & retail | 2023 |
| KAG (Bradford) Limited | Wholesale & retail | 2015 |
| Kago Ltd | Health & social care | 2026 |
| Kahfii Ltd | Hospitality | 2025 |
| Kahloon Enterprises Limited | Wholesale & retail | 2025 |
| Kahn Automotive Limited | Financial services | 2026 |
| Kahn Capital Limited | Financial services | 2026 |
| Kahn Landmark Holdings Limited | Financial services | 2026 |
| Kahn Landmark Limited | Professional & scientific | 2000 |
| Kahn Properties Ltd | Real estate | 2026 |
| Kaiaza Properties Limited | Real estate | 2024 |
| Kaimed Design Limited | Information & communication | 2018 |
| Kainaat Pharmaceuticals Ltd | Wholesale & retail | 2024 |
| Kairin Axis Ltd | Real estate | 2026 |
| Kairo Cosmetic Ltd | Professional & scientific | 2025 |
| Kaja Foods Ltd | Hospitality | 2025 |
| KAK (York) Ltd | Other services | 2019 |
| Kakaz Cafe Limited | Hospitality | 2025 |
| Kaké Desserts Ltd | Hospitality | 2025 |
| Kala Healthcare Limited | Health & social care | 2023 |
| Kala Shah Kaku Ltd | Wholesale & retail | 2025 |
| Kalane Ltd | Wholesale & retail | 2018 |
| Kalcrest Care (Northern) Limited | Health & social care | 2013 |
| Kalezy Cleaning Agency Limited | Administrative & support | 2025 |
| Kalid Subhi Limited | Households | 2025 |
| KALITECH24 Ltd | Wholesale & retail | 2025 |
| Kall IT AI Ltd | Information & communication | 2026 |
| Kallabot Ltd | Information & communication | 2024 |
| Kalsi Construction Solutions Ltd | Construction | 2025 |
| Kalsoom Fatima Ltd | Wholesale & retail | 2024 |
| Kalstone Holdings Limited | Administrative & support | 2026 |
| Kalstone Legal Limited | Administrative & support | 2026 |
| Kama Trade Ltd | Professional & scientific | 2025 |
| Kamaau Properties Ltd | Real estate | 2025 |
| Kamal's & Khan's Traders Ltd | Wholesale & retail | 2024 |
| Kamar Investments Ltd | Real estate | 2015 |
| Kameenee Limited | Wholesale & retail | 2006 |
| Kamel Co Properties Ltd | Households | 2025 |
| Kammy Properties Ltd | Real estate | 2026 |
| Kamran Yasin Ltd | Manufacturing | 2024 |
| Kamsan Investments Ltd | Hospitality | 2025 |
| Kamson Ltd | Wholesale & retail | 2022 |
| KAN Trading Ltd. | Wholesale & retail | 2024 |
| Kanapeena Ltd | Wholesale & retail | 2018 |
| Kandaka Collective Limited | Real estate | 2025 |
| Kandaka Gold Limited | Real estate | 2024 |
| Kandaka Group Ltd | Financial services | 2023 |
| Kaneki Properties Limited | Real estate | 2019 |
| Kaneshwan Mini Market Ltd | Wholesale & retail | 2023 |
| Kangatronix Limited | Information & communication | 2009 |
| Kani Productions Ltd | Arts & recreation | 2026 |
| Kanti Patel & Co. Limited | Professional & scientific | 2008 |
| Kanyal Services Limited | Professional & scientific | 2017 |
| Kanzen Labs Global Ltd | Wholesale & retail | 2026 |
| KAP & Sons Limited | Wholesale & retail | 2020 |
| Kapda Limited | Manufacturing | 2026 |
| Kaprix Consulting Ltd | Information & communication | 2021 |
| Karachi Restaurant Yorkshire Ltd | Hospitality | 2021 |
| KARACHIKITCHEN1 Ltd | Hospitality | 2025 |
| Karamat Fresh Produce Ltd | Wholesale & retail | 2025 |
| Karari Wala (UK) Limited | Professional & scientific | 2022 |
| Kardinals Limited | Other services | 2017 |
| Karim Homes Limited | Households | 2021 |
| Karim Investments Limited | Real estate | 2006 |
| Karimm Ltd | Health & social care | 2025 |
| Karl Optical Ltd | Health & social care | 2015 |
| Karlan Accountants Ltd | Professional & scientific | 2018 |
| Karm Estates Limited | Real estate | 2023 |
| Karmenandco Limited | Wholesale & retail | 2024 |
| Karmik UK Ltd | Manufacturing | 2017 |
| Karobix Ltd | Wholesale & retail | 2025 |
| Karol (UK) Ltd | Hospitality | 2013 |
| Karonwi and Partners Bookkeeping and Accounting Consultants Limited | Professional & scientific | 2025 |
| Kartar Building Projects Limited | Construction | 2026 |
| Kartel Customs Limited | Wholesale & retail | 2020 |
| Karwan E Turabi UK Ltd | Professional & scientific | 2025 |
| KAS Traders Limited | Manufacturing | 2023 |
| KASH11 Ltd | Professional & scientific | 2019 |
| Kashaf Ltd | Financial services | 2017 |