| Kelton Court Freehold Limited | Real estate | 2013 |
| Kelvedon Grove Management Limited | Households | 1996 |
| Kelvin Thermotech Ltd | Professional & scientific | 2019 |
| Kelynmead Limited | Hospitality | 2019 |
| Kemal VNS Ltd | Transport & logistics | 2026 |
| Kemba Trading & Transporters Ltd | Transport & logistics | 2021 |
| Kemcan Ltd | Information & communication | 2014 |
| Kemchi Co. Ltd | Wholesale & retail | 2025 |
| Kemio Consulting Ltd | Professional & scientific | 2022 |
| Kemp & Co Lettings Ltd | Real estate | 2026 |
| Kemp & Co Maintenance Ltd | Construction | 2026 |
| Kempson Building & Construction Ltd | Construction | 2014 |
| Kemsho Ltd | Wholesale & retail | 2024 |
| Kemsley Housing Trust Limited(The) | Construction | 1936 |
| Kemsola UK Limited | Hospitality | 2022 |
| Kemwell CES Holdco Limited | Financial services | 2024 |
| Kemwell CES Limited | Construction | 2021 |
| Kemwell Facades Limited | Wholesale & retail | 2021 |
| Kemwell Fire International Limited | Manufacturing | 2017 |
| Kemwell Holdings Limited | Extraterritorial | 2024 |
| Kemwell PFP Limited | Wholesale & retail | 2021 |
| KEN Darby Ventures Limited | Real estate | 2019 |
| KEN HO Limited | Hospitality | 2023 |
| Ken's Housing Limited | Real estate | 2023 |
| Kenamo Advisory Limited | Professional & scientific | 2025 |
| Kenamo Assessments Limited | Health & social care | 2025 |
| Kenaniah Healthcare Ltd | Health & social care | 2020 |
| Kenash Property Developments Limited | Construction | 1960 |
| Kenbak Limited | Information & communication | 2023 |
| Kenca Ltd | Financial services | 2026 |
| Kendal&Co Construction Ltd | Manufacturing | 2025 |
| KENDALSK9S Limited | Other services | 2025 |
| Kendaya Enterprise Ltd | Manufacturing | 2025 |
| Kendel Limited | Hospitality | 2024 |
| Kene Limited | Other services | 2021 |
| Kenedy Transport Ltd | Transport & logistics | 2025 |
| Keneish Dance Ltd | Arts & recreation | 2024 |
| Kenfield Homes Limited | Extraterritorial | 1987 |
| Kenfield Solutions Ltd | Wholesale & retail | 2023 |
| Kengo Care Limited | Health & social care | 2013 |
| Kenilcourt (Kenilworth) Limited | Real estate | 1990 |
| Kenilworth Carpets Limited | Wholesale & retail | 2010 |
| Kenilworth Court (Coventry) Limited | Households | 1961 |
| Kenilworth Court Block B RTM Company Limited | Households | 2006 |
| Kenilworth Court Block C RTM Company Limited | Households | 2006 |
| Kenilworth Court Flats Limited | Real estate | 1993 |
| Kenilworth Court Nominee Limited | Extraterritorial | 1993 |
| Kenkid Ltd. | Administrative & support | 2020 |
| Kenkie Security Services Ltd | Administrative & support | 2021 |
| Kenlist Limited | Manufacturing | 1988 |
| Kenmoore Design Limited | Professional & scientific | 2018 |
| Kennametal Hertel EDG Limited | Manufacturing | 1897 |
| Kennedy & Cromwell Asset Management Limited | Real estate | 2018 |
| Kennedy 93 PUB Management Limited | Hospitality | 2026 |
| Kennedy Holding Group Ltd | Construction | 2022 |
| Kennedy Williams Ltd | Health & social care | 2013 |
| Kennel Corner Limited | Wholesale & retail | 2024 |
| Kennet Pathology Limited | Health & social care | 2022 |
| Kenneth Curtis & Co LLP | | 2012 |
| Kennis African & Caribbean Unisex Beauty Salon Limited | Other services | 2026 |
| Kenny Enterprise Limited | Wholesale & retail | 2024 |
| Kenny GEE Locum Limited | Health & social care | 2010 |
| Kenny Sales Limited | Administrative & support | 2024 |
| Kenny-G Consultancy Limited | Health & social care | 2020 |
| Kennys Jamaican Patties & Jerk Ltd | Hospitality | 2026 |
| Kenphil Enterprises Ltd | Public administration | 2025 |
| Kens Property Maintenance Services Ltd | Construction | 2025 |
| Kensa Transformation Ltd | Professional & scientific | 2021 |
| Kensal Town Holdings Limited | Financial services | 2020 |
| Kensington (Midlands) Ltd | Real estate | 2018 |
| Kensington Care Group Ltd | Hospitality | 2025 |
| Kensington Community Care (Gloucester) Ltd | Real estate | 2011 |
| Kensington Court (Kingshurst) Management Company Limited | Households | 1986 |
| Kensington Designs London Ltd | Wholesale & retail | 2011 |
| Kensington Drives Ltd | Construction | 2025 |
| Kensington Financial Services Ltd | Financial services | 2021 |
| Kensington Garden Estate Ltd | Real estate | 2020 |
| Kensington Gardens Management Limited | Professional & scientific | 2008 |
| Kensington Group Holdings Ltd | Real estate | 2022 |
| Kensington HC Ltd | Health & social care | 2019 |
| Kensington Homeware Limited | Wholesale & retail | 2020 |
| Kensington Housing Ltd | Health & social care | 2026 |
| Kensington Housing Services Limited | Real estate | 2024 |
| Kensington Investments Group Ltd | Real estate | 2023 |
| Kensington Investments Ltd | Real estate | 2017 |
| Kensington Jewellery (Birmingham) Limited | Professional & scientific | 1999 |
| Kensington Mills & Clark Darby Limited | Professional & scientific | 2014 |
| Kensington Mills Limited | Professional & scientific | 2009 |
| Kensington Property Investments Ltd | Real estate | 2019 |
| Kensington Retail Limited | Wholesale & retail | 2018 |
| Kensington Spice Ltd | Hospitality | 2021 |
| Kenstone Estates Ltd | Real estate | 2014 |
| Kensuda Care Limited | Health & social care | 2020 |
| Kensus Ltd | Energy | 2024 |
| Kent Flatpack Limited | Manufacturing | 2019 |
| Kent Health Limited | Health & social care | 2004 |
| Kentan Technologies Limited | Information & communication | 2020 |
| Kente Luxury Ltd | Administrative & support | 2024 |
| Kentech Abassi Ltd | Other services | 2019 |
| Kentis Payroll Services Ltd | Professional & scientific | 2020 |