| Katiya Properties & Stays Ltd | Real estate | 2025 |
| Katkinson RN Ltd | Health & social care | 2022 |
| Kato Platres Co Limited | Real estate | 2014 |
| Katsu Tools Ltd | Wholesale & retail | 2017 |
| Katume Limited | Health & social care | 2023 |
| Katuramu Ltd | Financial services | 2022 |
| Kaudze Information Technology and Design Limited | Professional & scientific | 1994 |
| Kaug Refinery Services Limited | Water & waste | 2003 |
| Kaur Values Associates Limited | Professional & scientific | 2010 |
| Kaursboutique Limited | Wholesale & retail | 2025 |
| Kausar 25 Ltd | Manufacturing | 2025 |
| Kauthar Holistic Wellness CIC | Other services | 2025 |
| KAV Distribution Limited | Wholesale & retail | 2025 |
| KAV Housing Ltd | Hospitality | 2025 |
| KAV Investments Ltd | Hospitality | 2010 |
| KAV Subway Ltd | Hospitality | 2025 |
| Kavam Property Limited | Real estate | 2017 |
| Kavanaghs Electrical Services Ltd | Other services | 2016 |
| Kavanaghs Kitchens & Bathrooms Limited | Wholesale & retail | 2015 |
| Kaveh Builders Limited | Construction | 2024 |
| Kavex Ltd | Wholesale & retail | 2026 |
| Kavland International Ltd | Professional & scientific | 2019 |
| KAW Investments Limited | Real estate | 2016 |
| Kawaii Nails Limited | Wholesale & retail | 2025 |
| Kawaii Skincare Ltd | Wholesale & retail | 2025 |
| Kawala Nation Ltd | Wholesale & retail | 2021 |
| Kawgom TM Ltd | Construction | 2018 |
| Kawin Limited | Hospitality | 2021 |
| Kawle Limited | Information & communication | 2015 |
| KAY & Mandeep Properties Ltd | Real estate | 2020 |
| KAY Accessories Ltd | Wholesale & retail | 2026 |
| KAY Capital Investments Limited | Real estate | 2026 |
| KAY Distributions Ltd | Wholesale & retail | 2015 |
| KAY Housing and Supported Living Limited | Real estate | 2025 |
| KAY Khanom Limited | Professional & scientific | 2018 |
| KAY Luxthreads Ltd | Wholesale & retail | 2025 |
| KAY Wholesome Enterprise Ltd | Wholesale & retail | 2026 |
| Kaya Apps Limited | Information & communication | 2024 |
| Kayaa Rituals Ltd | Wholesale & retail | 2026 |
| Kayadi Impex Limited | Manufacturing | 2024 |
| Kayan Autoex Ltd | Wholesale & retail | 2025 |
| Kayan E Trade Ltd | Wholesale & retail | 2026 |
| Kayan Group Ltd | Other services | 2020 |
| Kayan Midland Oils Ltd | Wholesale & retail | 2024 |
| Kayan Services Ltd | Construction | 2026 |
| Kayani Boilers & Central Heating Ltd | Health & social care | 2022 |
| Kayani Commercial Properties Ltd | Real estate | 2021 |
| Kayani Consultants Ltd | Other services | 2024 |
| Kayani Developments Ltd | Construction | 2024 |
| Kayani Enterprises Ltd | Other services | 2018 |
| Kayani Holdings Ltd | Other services | 2021 |
| Kayani Investments Ltd | Real estate | 2015 |
| Kayani Real Estate (Commercial) Ltd | Real estate | 2023 |
| Kayani Real Estate Ltd | Real estate | 2020 |
| Kayani Residential Properties Ltd | Real estate | 2021 |
| Kayden Property Limited | Real estate | 2020 |
| Kayem Creatives Limited | Financial services | 2018 |
| Kayes Events Limited | Arts & recreation | 2016 |
| Kayes Family Events Ltd | Arts & recreation | 2023 |
| Kayes Miah Services Limited | Financial services | 2020 |
| Kayi Properties Ltd | Real estate | 2023 |
| Kayla Barrett Management Services Limited | Health & social care | 2022 |
| Kayla Juices Limited | Wholesale & retail | 2020 |
| Kayla Royale Ltd | Wholesale & retail | 2025 |
| Kayman Arete Productions Ltd | Information & communication | 2025 |
| Kayman Ltd | Information & communication | 2019 |
| Kaymuni Ltd | Information & communication | 2025 |
| Kaynath Fashions Limited | Wholesale & retail | 2023 |
| Kayra Construction Ltd | Construction | 2025 |
| Kays Automotive Ltd | Wholesale & retail | 2025 |
| Kays Furniture Limited | Wholesale & retail | 2008 |
| Kays Homes Limited | Real estate | 2024 |
| Kaysgotwood Ltd | Construction | 2025 |
| Kayton Investments Limited | Hospitality | 2016 |
| Kayzkustomz Ltd | Wholesale & retail | 2021 |
| KAZ Property Investments Ltd | Real estate | 2024 |
| KAZ Solution Ltd | Construction | 2022 |
| Kaza Holdings Ltd | Financial services | 2023 |
| Kazi Investments Limited | Real estate | 2025 |
| Kazi Kart Ltd | Wholesale & retail | 2024 |
| Kazi Tooth Services Ltd | Health & social care | 2015 |
| Kazmi Management Limited | Real estate | 2018 |
| Kazmis Services Ltd | Wholesale & retail | 2024 |
| Kazoo Academy Ltd | Education | 2024 |
| Kazzy Prints Ltd | Manufacturing | 2023 |
| KB & SAN Ltd | Wholesale & retail | 2022 |
| KB Bazar Ltd | Other services | 2024 |
| KB Brickwork Ltd | Construction | 2021 |
| KB Classic Kebab Ltd | Hospitality | 2021 |
| KB Drylining & Plastering Limited | Construction | 2024 |
| KB Fruits & VEG Ltd | Wholesale & retail | 2021 |
| KB Good Connection Ltd | Transport & logistics | 2019 |
| KB HTM Ltd | Administrative & support | 2015 |
| KB Kitts Green Ltd | Hospitality | 2023 |
| KB Locums Ltd | Health & social care | 2015 |
| KB Lounge & Club Ltd | Hospitality | 2023 |
| KB Lounge Bar & Restaurant Ltd | Hospitality | 2026 |
| KB Performance Limited | Arts & recreation | 2020 |
| KB Photography Studio Ltd | Professional & scientific | 2025 |
| KB Property Developers Ltd | Construction | 2020 |