| Khatri Trading Limited | Wholesale & retail | 2019 |
| Khawaja Collection Ltd | Wholesale & retail | 2025 |
| Khizar Network Ltd | Wholesale & retail | 2025 |
| Khor Consulting Ltd | Professional & scientific | 2012 |
| KHS Unity Ltd | Real estate | 2026 |
| Khurana Enterprises Ltd | Wholesale & retail | 2014 |
| Khurana Japnam Ltd | Wholesale & retail | 2023 |
| Khurana Property Investments Ltd | Real estate | 2022 |
| Khurana Scarves UK Limited | Wholesale & retail | 2011 |
| Khurana Shopping Centre Limited | Wholesale & retail | 2024 |
| Khurana Supermarket Limited | Wholesale & retail | 2008 |
| Khurana Trading Ltd | Wholesale & retail | 2021 |
| Khuzima Limited | Wholesale & retail | 2021 |
| Khyber Trading Zone Ltd | Wholesale & retail | 2019 |
| Kiaj Ltd. | Wholesale & retail | 2015 |
| Kiath Limited | Wholesale & retail | 2026 |
| KIB Foods Limited | Wholesale & retail | 2023 |
| Kids Pride Limited | Wholesale & retail | 2003 |
| Kids Sensation Limited | Wholesale & retail | 2013 |
| Kidzkandy Ltd | Wholesale & retail | 2024 |
| Kimlight Ltd. | Administrative & support | 2013 |
| Kind Estates Ltd | Real estate | 2024 |
| Kind Host Services PVT Ltd | Administrative & support | 2025 |
| King Carpets and Floors Ltd | Wholesale & retail | 2022 |
| Kingdom Collection Ltd | Wholesale & retail | 2020 |
| Kingsbridge Residents Limited | Real estate | 1985 |
| Kingsmead Limited | Real estate | 2019 |
| Kingswell Transport Ltd | Transport & logistics | 2025 |
| Kiran Enterprises London Limited | Wholesale & retail | 2022 |
| Kiran Jangi Property Limited | Real estate | 2025 |
| Kiran Textiles Group Ltd | Real estate | 2003 |
| Kirat Karo Ltd | Wholesale & retail | 2025 |
| Kirat Services Limited | Transport & logistics | 2024 |
| Kirpa Driving School Ltd | Education | 2026 |
| Kirpa Global Limited | Hospitality | 2026 |
| Kisaro Limited | Real estate | 2025 |
| Kishori Properties Investment Limited | Financial services | 2024 |
| Kitchen & Furniture Limited | Manufacturing | 2025 |
| Kiystone Limited | Construction | 2025 |
| KJ Barbers Ltd | Wholesale & retail | 2025 |
| Kjaa Group Limited | Real estate | 2019 |
| KK Driving Ltd | Transport & logistics | 2020 |
| KK Eyecare Ltd | Health & social care | 2023 |
| KK FW Limited | Wholesale & retail | 2021 |
| KK Packages Ltd | Other services | 2024 |
| KK Power International UK Limited | Wholesale & retail | 2012 |
| KK Properties Investment Ltd | Real estate | 2024 |
| KK Swimstars Ltd | Education | 2025 |
| KKC Construction Ltd | Construction | 2023 |
| Kkdhaliwal Limited | Professional & scientific | 2016 |
| KKG Pharma Limited | Wholesale & retail | 2019 |
| KKJ Estates Limited | Real estate | 2025 |
| Klassy Limited | Real estate | 2026 |
| KLB Management Ltd | Professional & scientific | 2017 |
| Klear Autoworks Ltd | Wholesale & retail | 2014 |
| Klear Investments Limited | Real estate | 2021 |
| Klytos Ltd | Construction | 2025 |
| KM and AS Investments Ltd | Real estate | 2026 |
| KM Design & Build Ltd | Construction | 2017 |
| KMS Investment Management Limited | Administrative & support | 2022 |
| KNM Contractors Limited | Construction | 2014 |
| Kochay Exchange Ltd | Financial services | 2019 |
| Kohinoor Southall Ltd | Hospitality | 2023 |
| Kohli & Sons Properties Ltd | Real estate | 2023 |
| Koios Holding Ltd | Professional & scientific | 2026 |
| Kool Homes Ltd | Real estate | 2021 |
| Kora Transport Ltd | Transport & logistics | 2025 |
| Korotana Express Logistics Ltd | Transport & logistics | 2026 |
| Korotana Global Constructions Ltd | Construction | 2026 |
| Koshal Food and VEG Ltd | Wholesale & retail | 2025 |
| Kotak Fruit & VEG Ltd | Wholesale & retail | 2015 |
| Kotak Properties Ltd | Real estate | 2026 |
| Kovent Estates Ltd | Real estate | 2023 |
| Kovicas Ltd | Education | 2026 |
| Kowtamo Fashion Ltd | Wholesale & retail | 2024 |
| Kozy Cove Limited | Households | 2025 |
| Ko’Lective Ltd | Manufacturing | 2025 |
| KP Auto Sales Ltd | Wholesale & retail | 2026 |
| KP Group Holdings Ltd | Administrative & support | 2025 |
| KP Residential Investments Limited | Real estate | 2026 |
| KP Technologies Ltd | Wholesale & retail | 2015 |
| Kpce & Services Ltd | Wholesale & retail | 2025 |
| KPE Precision Plumbing Ltd | Construction | 2025 |
| KPR Logistics Limited | Transport & logistics | 2025 |
| KR & AAA Ltd | Wholesale & retail | 2020 |
| KRG Properties Limited | Real estate | 2014 |
| Kris Loft Conversion Ltd | Construction | 2026 |
| Kris Transpol Ltd | Transport & logistics | 2017 |
| Krish IT Ltd | Information & communication | 2010 |
| Krish Ratna & Co Solicitors LLP | | 2022 |
| Krishna Healthcare Services Limited | Health & social care | 2016 |
| Krjm Property Management Limited | Real estate | 2019 |
| Krytonyx Engineering Consultancy Ltd | Professional & scientific | 2024 |
| Krzysztof Babij Ltd | Manufacturing | 2018 |
| KS Auto Engineering Ltd | Professional & scientific | 2023 |
| KS Gill Construction Ltd | Construction | 2020 |
| KS Phones Ltd | Wholesale & retail | 2025 |
| KS Plumbing & Building Ltd | Construction | 2019 |
| KS6 Ltd | Construction | 2025 |
| KSA Properties 1 Limited | Real estate | 2025 |