| Kapsons Commercial Finance Limited | Financial services | 2023 |
| Kapsons Financial Solutions Limited | Financial services | 2018 |
| Kaptain Security Services Ltd | Wholesale & retail | 2019 |
| Kaptan Traders Ltd | Wholesale & retail | 2025 |
| Kapurika Ltd | Wholesale & retail | 2014 |
| KAR Sewa Bhuri Wale JI Ltd | Health & social care | 2018 |
| Karahi One Limited | Hospitality | 2018 |
| KARAHI13 Ltd | Hospitality | 2026 |
| Karan Kitchen and Bedrooms Ltd | Construction | 2023 |
| Karas Peri Peri Ltd | Hospitality | 2024 |
| Karas Properties Ltd | Real estate | 2019 |
| Karawans Ltd | Wholesale & retail | 2025 |
| Kardwal Ltd | Transport & logistics | 2026 |
| Kare Management Solutions Ltd | Information & communication | 2021 |
| Karen D-J Healthcare Services Ltd | Public administration | 2022 |
| Kari Dosa Lunch Ltd | Hospitality | 2024 |
| Karina Homes Ltd | Real estate | 2019 |
| Kark Eco Cleaning Ltd | Administrative & support | 2024 |
| Karmora Ltd | Wholesale & retail | 2026 |
| Kars Hire Ltd | Administrative & support | 2024 |
| Kartar AB Ltd | Construction | 2016 |
| Karvi Ltd | Wholesale & retail | 2017 |
| KAS UK Consultants Ltd | Professional & scientific | 2024 |
| Kasaveda Ltd | Real estate | 2026 |
| Kash Investments Ltd | Real estate | 2018 |
| Kashi Cuts Ltd | Other services | 2025 |
| Kashif Tradings Ltd | Other services | 2022 |
| Kaspa Spices Limited | Hospitality | 2021 |
| Kastranda Limited | Professional & scientific | 2025 |
| Katana MGM Limited | Administrative & support | 2025 |
| Katewalk Ltd | Wholesale & retail | 2019 |
| Katherine Rose Academy Ltd | Education | 2015 |
| Kathmandu Zone Limited | Hospitality | 2013 |
| Kaur & Singh Properties Ltd | Real estate | 2023 |
| Kauris Consultancy Limited | Professional & scientific | 2026 |
| Kawal Career Connections Ltd | Administrative & support | 2013 |
| KAY Events LDN Ltd | Other services | 2024 |
| Kayani Global Investments Ltd | Wholesale & retail | 2018 |
| Kayani&Muhammad Properties Limited | Real estate | 2025 |
| Kayra Convenience Store Ltd | Wholesale & retail | 2024 |
| KAZ Hire Limited | Wholesale & retail | 2018 |
| Kazadar Property Ltd | Real estate | 2021 |
| Kazkra Ltd | Wholesale & retail | 2020 |
| KB Freight (UK) Ltd | Transport & logistics | 2021 |
| KB Nova Limited | Real estate | 2025 |
| Kbhogadi's Limited | Information & communication | 2011 |
| KBL GAS Ltd | Professional & scientific | 2021 |
| KC Build Ltd | Construction | 2022 |
| KC Distributions Ltd | Hospitality | 2022 |
| KC Krunchies Chicken Limited | Hospitality | 2014 |
| KCC Techno Ltd | Information & communication | 2021 |
| Kcplumbr Limited | Construction | 2023 |
| Kcsc Ltd | Real estate | 2024 |
| KD Carpet & Wood Flooring Ltd. | Construction | 2017 |
| KD Facility Limited | Wholesale & retail | 2023 |
| KDB Limited | Construction | 2023 |
| KDM Business Group Ltd | Wholesale & retail | 2024 |
| Kdmk Limited | Wholesale & retail | 2025 |
| KE Car and Van Rental Limited | Administrative & support | 2025 |
| Kebys Ltd | Hospitality | 2024 |
| Kech Engineering Limited | Wholesale & retail | 2018 |
| Keel West Ltd | Wholesale & retail | 2023 |
| Keep FIX Ltd | Construction | 2025 |
| Keep-Kool Ltd | Wholesale & retail | 2024 |
| Kelly Executive Services Ltd | Transport & logistics | 2018 |
| Kemmy Auto Ltd | Wholesale & retail | 2018 |
| Kempston Property Development Ltd | Construction | 2016 |
| Kendall Food Star Limited | Hospitality | 2025 |
| Kendle Ltd | Real estate | 2023 |
| Kengtraders Limited | Wholesale & retail | 2024 |
| Kennet Side Limited | Real estate | 2021 |
| Kensington Medispa Ltd | Other services | 2019 |
| Kensington Spice LT Dining Ltd | Hospitality | 2025 |
| Kensom IT Services Ltd | Information & communication | 2020 |
| Kent Developments Ltd | Construction | 2023 |
| Kent Technologies Ltd | Wholesale & retail | 2023 |
| Kenzi Property Limited | Real estate | 2025 |
| KEPRA360 Ltd | Wholesale & retail | 2026 |
| Keras Global Limited | Information & communication | 2016 |
| Kerswell Nursery and Forest School Ltd | Education | 2013 |
| Kesari Limited | Wholesale & retail | 2024 |
| Keshav Yadav Ltd | Construction | 2024 |
| Kesom Freight International Limited | Transport & logistics | 2004 |
| Kesom Freight Limited | Wholesale & retail | 2021 |
| KEW Management Group Ltd | Real estate | 2025 |
| Key Investment Properties Ltd | Real estate | 2016 |
| Keyhive Homes Limited | Real estate | 2024 |
| Keystone FM Ltd | Administrative & support | 2025 |
| Keystone Upon Eurasia Consulting Limited | Information & communication | 2017 |
| Kframevisuals Ltd | Information & communication | 2025 |
| KG Ahuja Ltd | Real estate | 2023 |
| KGM Foods Ltd | Hospitality | 2024 |
| KGN London Ltd | Manufacturing | 2014 |
| KH UK Management Ltd | Wholesale & retail | 2024 |
| Khakicat Ltd | Wholesale & retail | 2021 |
| Khalij Construction Limited | Construction | 2025 |
| Khalon Properties Ltd | Real estate | 2023 |
| Khan Brother Auto Limited | Wholesale & retail | 2025 |
| Khan Curry Ltd | Hospitality | 2018 |
| Khan Rovers Ltd | Wholesale & retail | 2022 |