| Keyes Property Ltd | Real estate | 2025 |
| Keyhire Ltd | Administrative & support | 2019 |
| Keyhole Property Limited | Real estate | 2020 |
| Keyhole Studios Limited | Information & communication | 2012 |
| Keykind Property Ltd | Real estate | 2025 |
| KEYMOVE4 (NW) Limited | Real estate | 2011 |
| Keypal Limited | Professional & scientific | 2006 |
| Keypool Homes Limited | Real estate | 2017 |
| Keystone and Canopy Ltd | Wholesale & retail | 2020 |
| Keystone Bars Limited | Hospitality | 2011 |
| Keystone Building Refurbishments Ltd | Construction | 2024 |
| Keystone Group (NW) Limited | Other services | 2025 |
| Keystone Housing Solutions Ltd | Real estate | 2025 |
| Keystone Legacy Holdings Ltd | Financial services | 2026 |
| Keyswitch Ltd | Wholesale & retail | 2019 |
| Keyvest Property Limited | Real estate | 2020 |
| Keywest Estates Ltd | Real estate | 2020 |
| Keywest Group Ltd | Financial services | 2020 |
| Keywest Partnership Ltd | Professional & scientific | 2013 |
| Keywest Property Limited | Real estate | 2020 |
| KF Electrical Contractors Limited | Manufacturing | 2015 |
| KF Energy Centre Ltd | Energy | 2020 |
| Kfca | Education | 2008 |
| KFJ Care Ltd | Health & social care | 2021 |
| KFN Build Ltd | Construction | 2025 |
| KFO Mortgages Ltd | Financial services | 2025 |
| KFR NDT Consultancy Limited | Administrative & support | 2023 |
| Kfss Property Management Limited | Real estate | 2025 |
| KG Electrical Installations Limited | Construction | 2015 |
| KG Investments N/W Limited | Other services | 2020 |
| KG Property Group Ltd | Real estate | 2016 |
| KG Wholesale Ltd | Wholesale & retail | 2018 |
| Kg&Co Ltd | Financial services | 2025 |
| KGB Infrastructure Ltd | Construction | 2010 |
| KGD 1 Ltd | Real estate | 2022 |
| KGD 2 Ltd | Real estate | 2019 |
| Kggs NP Ltd | Real estate | 2024 |
| KGM Solutions Limited | Administrative & support | 2014 |
| KGN Estates Ltd | Construction | 2023 |
| KH Contractors Ltd | Construction | 2024 |
| KH Property Management Limited | Real estate | 2025 |
| KH Traders LVR Ltd | Manufacturing | 2021 |
| Khadka Properties Ltd | Real estate | 2024 |
| Khaja Indian Ltd | Hospitality | 2025 |
| Khalo Retail Company Ltd | Wholesale & retail | 2019 |
| Khan Accountancy Services Ltd | Professional & scientific | 2021 |
| Khan E-Gadgets Ltd | Wholesale & retail | 2023 |
| Khan Security Services (Liverpool) Ltd | Administrative & support | 2021 |
| Khan Tandoori Liverpool Ltd | Hospitality | 2026 |
| Khan's Properties Management UK Ltd | Real estate | 2026 |
| Khandu Family Ltd | Real estate | 2023 |
| Khanijau Properties Ltd | Real estate | 2020 |
| Khans Commercial Property Ltd | Real estate | 2024 |
| Khans Smithdown Ltd | Wholesale & retail | 2019 |
| Kharece Recruitment Limited | Health & social care | 2023 |
| Kharis Recruitment Limited | Other services | 2015 |
| Khattak Medical Services Limited | Health & social care | 2011 |
| Khazar Construction Ltd | Construction | 2020 |
| Khesta Fusion Ltd | Wholesale & retail | 2026 |
| Khezam Properties Limited | Real estate | 2011 |
| KHH Construction Ltd | Construction | 2024 |
| Khholdingssouthport Limited | Hospitality | 2025 |
| KHI Networks Limited | Financial services | 2022 |
| Khipu Group Ltd | Manufacturing | 2021 |
| Khnsa Limited | Information & communication | 2023 |
| Khumalo Investments Limited | Administrative & support | 2016 |
| Khurram Sons Limited | Wholesale & retail | 2025 |
| KHW: the Rolodex Ltd. | Other services | 2023 |
| KI 61 Asset Services Ltd | Wholesale & retail | 2026 |
| KI Partnerships Ltd | Professional & scientific | 2021 |
| KI23 Limited | Professional & scientific | 2023 |
| Kiaora Consulting Limited | Administrative & support | 2024 |
| Kias Holding Limited | Real estate | 2026 |
| Kias Properties Limited | Real estate | 2024 |
| Kibb Roofing & Damp Proofing Ltd | Construction | 2026 |
| Kibe Investments Ltd | Real estate | 2025 |
| Kibreit Ltd | Wholesale & retail | 2025 |
| Kick OFF Media Ltd | Information & communication | 2025 |
| Kick on Community C.I.C. | Arts & recreation | 2024 |
| Kickerz Kingdom Ltd | Wholesale & retail | 2024 |
| Kickonacademy Ltd | Arts & recreation | 2023 |
| Kico Property Company Limited | Households | 2021 |
| KID Shamrock Limited | Arts & recreation | 2018 |
| Kiddies Lounge Ltd | Wholesale & retail | 2020 |
| Kidditec Limited | Health & social care | 2015 |
| Kiddy Academy Hunts Cross Ltd | Education | 2010 |
| Kiddy Academy Wavertree Ltd | Education | 2013 |
| Kidge One Trading Limited | Professional & scientific | 2015 |
| Kidge Two Trading Limited | Professional & scientific | 2015 |
| Kidney Research Northwest | Health & social care | 2011 |
| Kids Activities and Bootcamps Community Interest Company | Education | 2017 |
| Kids Adventure Cabin Ltd | Health & social care | 2023 |
| Kids Care Angel Ltd | Health & social care | 2020 |
| Kids EAT Complete Nutrition Ltd | Hospitality | 2017 |
| Kids Health Matters CIC | Health & social care | 2008 |
| Kids in Bloom Children's Day Nursery Ltd | Health & social care | 2014 |
| Kids in Bloom Limited | Real estate | 2010 |
| Kids in Bloom W/D Ltd | Health & social care | 2016 |
| Kids Wholesale Ltd | Wholesale & retail | 2024 |
| Kids World Day Nursery Limited | Education | 2002 |