| Khany Media Limited | Information & communication | 2025 |
| Khanz Property Limited | Real estate | 2026 |
| Khanz Solutions Limited | Information & communication | 2018 |
| Khan’S Nexus Limited | Administrative & support | 2025 |
| Kharri Fast Food Limited | Hospitality | 2025 |
| Khawaaja and Co Limited | Wholesale & retail | 2025 |
| Khawaja Local Limited | Wholesale & retail | 2017 |
| Khawaja Cars Limited | Wholesale & retail | 2019 |
| Khawaja Poultry Limited | Wholesale & retail | 2003 |
| Khayat Associate Limited | Professional & scientific | 2026 |
| KHD Consultancy Ltd | Information & communication | 2010 |
| Khera Builders Ltd | Construction | 2021 |
| KHH Properties Ltd | Real estate | 2023 |
| Khidmat Centres | Health & social care | 2004 |
| Khokhar Ltd | Other services | 2010 |
| Khokharz Ltd | Transport & logistics | 2025 |
| Khoobsurat Fabrics Ltd | Wholesale & retail | 2023 |
| Khott Biotech Ltd | Professional & scientific | 2025 |
| KHQ Security Ltd | Administrative & support | 2023 |
| KHR Logistics Ltd | Transport & logistics | 2025 |
| Khurramenterprises Limited | Hospitality | 2024 |
| Khurshid Alam Properties Limited | Real estate | 2024 |
| Khushal Care Ltd | Health & social care | 2023 |
| Khushalix Ltd | Wholesale & retail | 2025 |
| KHW Brothers Limited | Real estate | 2024 |
| Khyber Restaurant Ltd | Hospitality | 2023 |
| Khyber Upholstery Limited | Manufacturing | 2007 |
| Khzmmi Limited | Wholesale & retail | 2022 |
| KIA Electrical Works Ltd | Construction | 2018 |
| Kiani Boxing CIC | Education | 2026 |
| Kiani Corporation Ltd | Wholesale & retail | 2022 |
| Kiani Private Hire Limited | Transport & logistics | 2022 |
| Kick OFF- Half Time UK & Europe Limited | Arts & recreation | 2024 |
| Kicking Chicken Ltd | Hospitality | 2019 |
| Kiddicare Properties Limited | Administrative & support | 2011 |
| Kiddies Motors Ltd | Wholesale & retail | 2020 |
| Kiddosaurus UK Limited | Wholesale & retail | 2025 |
| Kiddyland Limited | Professional & scientific | 2023 |
| Kids Animation Ltd | Information & communication | 2025 |
| Kids Club 515 Ltd | Health & social care | 2023 |
| Kids Cottage Childminders Ltd | Health & social care | 2016 |
| Kids ZON Ltd | Health & social care | 2026 |
| Kidz Campus Ltd | Health & social care | 2018 |
| KII Accountants Limited | Professional & scientific | 2015 |
| Kilenc Limited | Wholesale & retail | 2023 |
| Killinghall Beds Limited | Manufacturing | 2025 |
| Killinghall Mini Market Ltd | Wholesale & retail | 2025 |
| Killinghall Tyres Ltd | Manufacturing | 2026 |
| Killips Furnishers (Holdings) Limited | Financial services | 2023 |
| Kilo Alpha Ltd | Administrative & support | 2022 |
| KIM Hung WAI Ltd | Construction | 2017 |
| Kimbart Ltd | Health & social care | 2021 |
| Kimmie Couture Limited | Other services | 2020 |
| Kinace Innovations Limited | Professional & scientific | 2016 |
| Kindknoll Limited | Real estate | 1974 |
| Kinematics Sports Rehab Ltd | Education | 2024 |
| Kinesiology Sports Tape Limited | Manufacturing | 2019 |
| Kinetic Dezine Limited | Professional & scientific | 1999 |
| King Mango Ltd | Wholesale & retail | 2025 |
| King-Com Communications Limited | Construction | 2011 |
| Kinghorn & Illingworth Ltd | Wholesale & retail | 2021 |
| Kings Bench Limited | Hospitality | 2021 |
| Kings Fresh UK Limited | Wholesale & retail | 2022 |
| Kings Guarding Solutions Limited | Administrative & support | 2011 |
| Kings Secure Technologies Limited | Administrative & support | 2017 |
| Kings Security Systems Limited | Administrative & support | 1971 |
| Kings Training Academy Limited | Education | 2011 |
| Kingsgate Corporate Services Limited | Professional & scientific | 2010 |
| Kingslay Flooring Ltd | Construction | 2021 |
| Kingsman Express Limited | Transport & logistics | 2019 |
| Kingsman Solicitors Ltd | Professional & scientific | 2016 |
| Kingsname Bradford Ltd | Wholesale & retail | 2026 |
| Kingspark Ltd | Other services | 2014 |
| Kingston Computer Consultancy Limited | Information & communication | 1997 |
| Kingston Construction (Pontefract) Limited | | 1988 |
| Kingston Retail Ltd | Hospitality | 2015 |
| Kingston Roofline Limited | Construction | 2022 |
| Kingstons Luxury Furniture Ltd | Wholesale & retail | 2024 |
| Kingswell Accounting Ltd | Professional & scientific | 2026 |
| Kintrixs Limited | Health & social care | 2026 |
| Kinza Optical Ltd | Health & social care | 2019 |
| Kinzanohi Limited | Health & social care | 2026 |
| Kiosk Halifax Limited | Wholesale & retail | 2025 |
| Kipling Cargo UK Limited | Manufacturing | 2024 |
| Kiplings (Bradford) Ltd | Hospitality | 2016 |
| Kiran Services Ltd | Wholesale & retail | 2022 |
| Kiran Shahnawaz Ltd | Real estate | 2019 |
| Kiran.Sh Ltd | Health & social care | 2022 |
| Kirangroup Ltd | Health & social care | 2026 |
| Kirawish Ltd | Wholesale & retail | 2026 |
| Kirk LEA Guest House Ltd | Hospitality | 2026 |
| Kirkgate House Ltd | Real estate | 2023 |
| Kirkgate Pharma Limited | Wholesale & retail | 2025 |
| Kirkman Associates LLP | | 2010 |
| Kirkmore Europe Limited | Wholesale & retail | 2023 |
| Kirks PUB Company Limited | Hospitality | 2023 |
| Kirs Group Ltd | Financial services | 2023 |
| Kishwer Investments Ltd | Financial services | 2025 |
| Kiswa Cafe Limited | Hospitality | 2026 |
| Kiswa Food 2 Go Limited | Hospitality | 2026 |