| Kiswa Garments Limited | Wholesale & retail | 2026 |
| Kiswa Halal Meat & Poultry Limited | Wholesale & retail | 2026 |
| Kiswa Halal Supermarket Limited | Wholesale & retail | 2026 |
| Kiswa Offices Limited | Real estate | 2026 |
| KIT Rail Studio Ltd | Wholesale & retail | 2026 |
| Kitchen Factory (Bradford) Limited | Manufacturing | 2004 |
| Kitchen Market Ltd | Manufacturing | 2020 |
| Kitchen Pro Limited | Other services | 2022 |
| Kitchenrobes Limited | Manufacturing | 2024 |
| Kitchens Komplete Limited | Manufacturing | 2010 |
| Kitfet Ltd | Wholesale & retail | 2025 |
| Kivafitness Ltd | Other services | 2023 |
| Kixx Bradford Limited | Education | 2018 |
| Kiyah Ltd | Wholesale & retail | 2019 |
| Kiyan Ltd | Wholesale & retail | 2026 |
| Kiyankrunch Ltd | Hospitality | 2026 |
| Kizamo Ltd | Manufacturing | 2021 |
| Kizmat Trading Limited | Health & social care | 2014 |
| KJ Harrogate Limited | Hospitality | 2022 |
| KJ Premium Properties Ltd | Real estate | 2025 |
| KJ Property Services Ltd | Real estate | 2023 |
| KJ Representatives Limited | Public administration | 2024 |
| KJH Plumbing Ltd | Wholesale & retail | 2024 |
| KJS Dynamics Ltd | Professional & scientific | 2025 |
| KK & Trading Co Limited | Administrative & support | 2018 |
| KK Auto Car Parts Ltd | Wholesale & retail | 2024 |
| KK Car Services Limited | Transport & logistics | 2019 |
| KK Carpet & Floors Limited | Wholesale & retail | 2021 |
| KK Contract Solutions Ltd. | Other services | 2016 |
| KK Drive Leeds Limited | Education | 2020 |
| KK General Trade Ltd | Transport & logistics | 2017 |
| KK Motor Spares Ltd | Wholesale & retail | 2019 |
| KK Parts Limited | Wholesale & retail | 2014 |
| KK Property Lettings & Investments Ltd | Real estate | 2026 |
| KK Retail Group Limited | Wholesale & retail | 2026 |
| KK Vehicle Solutions Ltd | Transport & logistics | 2025 |
| KKB Properties Ltd | Real estate | 2023 |
| KKD Studios Ltd | Information & communication | 2022 |
| KKJ Fashion Limited | Wholesale & retail | 2018 |
| Kknd Limited | Wholesale & retail | 2025 |
| KKREPZ22 Ltd | Wholesale & retail | 2025 |
| KKW Developments Limited | Construction | 2025 |
| Klaudia Zazu Limited | Other services | 2022 |
| Klay UK Global Ltd | Wholesale & retail | 2020 |
| KLB Enterprises Ltd | Real estate | 2019 |
| Kleantex Cleaning Services Ltd | Administrative & support | 2025 |
| Klear Direction Limited | Real estate | 2018 |
| Kleen Maintenance Ltd | Administrative & support | 2025 |
| Kleen Solutions Limited | Administrative & support | 2023 |
| Kleen Wright Property Services Ltd | Administrative & support | 2019 |
| Kleenhaus Cleaning Services Ltd | Administrative & support | 2026 |
| Klevr Haus Ltd | Administrative & support | 2025 |
| KLF Mechanical & Electrical Ltd | Construction | 2019 |
| KLF Mechanical Ltd | Construction | 2023 |
| KLF Property Management Ltd | Households | 2023 |
| Klf-Fm Limited | Households | 2023 |
| KLG Europe Bradford Limited | Transport & logistics | 1985 |
| KLH Services Acoustic & Thermal Coatings Ltd | Construction | 2023 |
| Klick Printing Ltd | Manufacturing | 2021 |
| Klinico Ltd | Administrative & support | 2025 |
| Kloee AI Ltd | Information & communication | 2026 |
| Kluckaroos Bradford Ltd | Hospitality | 2026 |
| KM Design Group Ltd | Professional & scientific | 2016 |
| KM Developments and Co Limited | Construction | 2026 |
| KM Images Ltd | Professional & scientific | 2020 |
| KM Kits Ltd | Manufacturing | 2023 |
| KM PAK Limited | Wholesale & retail | 2026 |
| KM Premium Motors Ltd | Wholesale & retail | 2021 |
| KMA Homes Holding Ltd | Real estate | 2022 |
| KMA Homes Ltd | Real estate | 2017 |
| KMA Housing Ltd | Real estate | 2024 |
| KMA Pharm Ltd | Health & social care | 2014 |
| KMB Associates Limited | Professional & scientific | 2024 |
| KMB Swat Ltd | Wholesale & retail | 2023 |
| KMD Legacy Ltd | Real estate | 2026 |
| KMH PUB Management Limited | Hospitality | 2024 |
| KMK Compensators Limited | Manufacturing | 1999 |
| Kmrbd Limited | Hospitality | 2025 |
| Kmss Holdings Ltd | Financial services | 2021 |
| KN Bradford Properties Limited | Households | 2020 |
| Knead 'N' Feed Ltd. | Hospitality | 2019 |
| Knight Bridge Holdings Ltd | Real estate | 2022 |
| Knight Data Analytics Ltd | Information & communication | 2025 |
| Knight Force Limited | Administrative & support | 2025 |
| Knight Honey Ltd | Manufacturing | 2024 |
| Knightsbridge Accountancy Ltd | Professional & scientific | 2025 |
| Knightsbridge Accountants & Tax Ltd | Professional & scientific | 2025 |
| Knightsbridge Accountants and Payroll Services Ltd | Professional & scientific | 2014 |
| Knightsbridge AMS Limited | Professional & scientific | 2017 |
| Knightsbridge Blinds Ltd | Other services | 2022 |
| Knightsbridge Bradford Holdings Limited | Real estate | 2014 |
| Knightsbridge Estate Management Limited | Real estate | 2018 |
| Knightsbridge Industrial Park Limited | Real estate | 2020 |
| Knightsbridge Invest Limited | Real estate | 2026 |
| Knightsbridge Logistics Ltd | Transport & logistics | 2016 |
| Knightsbridge Office Support Limited | Information & communication | 2015 |
| Knightsbridge Partnership Limited | Financial services | 2014 |
| Knightsbridge Properties (Bradford) Ltd | Real estate | 2020 |
| Knightsbridge Properties Management Limited | Real estate | 2024 |
| Knightsbridge Radiators Ltd | Wholesale & retail | 2024 |