| KD Property Partners Ltd | Real estate | 2011 |
| KDC (Commercial) Ltd | Professional & scientific | 2013 |
| KDC North West | Health & social care | 2003 |
| Kdcoaching Ltd | Arts & recreation | 2021 |
| KDP Convenience Ltd | Wholesale & retail | 2023 |
| KDP Development & Investments Ltd | Real estate | 2014 |
| KDR Group NW Ltd | Real estate | 2023 |
| Kdtempaccess Ltd | Professional & scientific | 2025 |
| KE Costs Limited | Professional & scientific | 2019 |
| KEA Properties Ltd | Real estate | 2022 |
| Keale Bridge Civils Ltd | Construction | 2022 |
| Kealshore Limited | Water & waste | 1983 |
| Keaney & Co Solicitors Ltd | Professional & scientific | 2015 |
| Keaney Whitehead Partnership LLP | | 2008 |
| Kearns Consulting Ltd | Professional & scientific | 2014 |
| Kearns Engineering Ltd | Professional & scientific | 2026 |
| Keating Legal Services Ltd | Professional & scientific | 2023 |
| Keating Propco Limited | Real estate | 2023 |
| Keating Properties Limited | Real estate | 2016 |
| Keating Property Holdings Ltd | Real estate | 2025 |
| Keble Group Ltd | Construction | 2024 |
| Kebulan Grid Ltd | Administrative & support | 2025 |
| KEC Holdings Co Ltd | Financial services | 2021 |
| Keco Energy Ltd | Construction | 2024 |
| Keel Interiors Ltd | Professional & scientific | 2024 |
| Keel Renovations Ltd | Construction | 2020 |
| Keelan Heating and Plumbing Ltd | Construction | 2020 |
| Keeldelle Limited | Real estate | 1983 |
| Keeley Civil Engineering Limited | Construction | 2021 |
| Keeley Holdings Limited | Real estate | 2024 |
| Keely Brittles Ltd. | Professional & scientific | 2014 |
| Keenair Limited | Manufacturing | 1983 |
| Keenan Print Limited | Manufacturing | 1975 |
| Keenan Property Ltd | Real estate | 2022 |
| Keenos Deli Limited | Wholesale & retail | 2026 |
| Keep Chipper Ltd | Health & social care | 2022 |
| Keep Safe Solutions Ltd | Professional & scientific | 2016 |
| Keep the Cash Limited | Education | 2014 |
| Keepaboo Ltd | Information & communication | 2025 |
| Keepins Ltd | Wholesale & retail | 2018 |
| Keeton & Cook Estates Ltd | Real estate | 2025 |
| KEF Properties Limited | Real estate | 2025 |
| Kehoe and Associates Ltd | Professional & scientific | 2026 |
| Keido Labs Ltd | Information & communication | 2025 |
| Keighley Trading Ltd | Wholesale & retail | 2026 |
| Keisand Ltd | Construction | 2020 |
| Keith & Judith Dowse Trading Limited | Professional & scientific | 2018 |
| Keith Fearon Limited | Arts & recreation | 2004 |
| Keith Investments Limited | Administrative & support | 1962 |
| Keith Morrow Electrical Ltd | Construction | 2016 |
| Keith Pitman ESP Trading Limited | Professional & scientific | 2019 |
| KEL Consultancy Limited | Wholesale & retail | 2026 |
| KEL Estates Limited | Households | 2025 |
| KEL Holding Ltd | Real estate | 2018 |
| KEL Leisure Holding Limited | Professional & scientific | 2024 |
| KEL Leisure Limited | Hospitality | 2024 |
| Kel-Invest Limited | Financial services | 2020 |
| KEL1 Ltd | Administrative & support | 2021 |
| Kela Food Limited | Hospitality | 2023 |
| Kelberry Ltd. | Extraterritorial | 2013 |
| Kelby Technical Services Ltd | Construction | 2021 |
| Kelco Property Services Ltd | Real estate | 2012 |
| Keld Operations Limited | Construction | 2021 |
| Kelderhall Ltd | Real estate | 2002 |
| Kelhomes Developments Limited | Health & social care | 2019 |
| Kell Properties Ltd | Real estate | 2025 |
| Kellen's Butchers Limited | Wholesale & retail | 2020 |
| KELLER01 Ltd | Wholesale & retail | 2025 |
| Kelli ANN Mcdonough Ltd | Extraterritorial | 2026 |
| Kelly & TAM Ltd | Hospitality | 2025 |
| Kelly Flooring Ltd | Construction | 2025 |
| Kelly GAS Services Ltd | Construction | 2007 |
| Kelly Gizzie Limited | Professional & scientific | 2017 |
| Kelly Graham Change Consultancy Ltd | Information & communication | 2023 |
| Kelly Maher Consultancy Ltd | Financial services | 2017 |
| Kelly Properties NW Limited | Construction | 2010 |
| Kelly Safety Management Ltd | Administrative & support | 2022 |
| Kelly's Building & Maintenance Ltd | Construction | 2022 |
| Kelly's Discount Booze Store Ltd | Wholesale & retail | 2023 |
| Kelly's Pharma Limited | Wholesale & retail | 2004 |
| Kellys Merseyside Ltd | Hospitality | 2012 |
| Kellys News(Liverpool) Ltd | Wholesale & retail | 2016 |
| Kellys Property Holdings Ltd. | Real estate | 2022 |
| Kelmetco 2024 Limited | Administrative & support | 2024 |
| Kelmetco Ltd | Administrative & support | 2018 |
| Kelmuir Consulting Limited | Professional & scientific | 2024 |
| Kelsam Properties Ltd | Real estate | 2025 |
| Kelsey Andrews Properties LLP | | 2023 |
| Keltec Consultancy Ltd | Professional & scientific | 2008 |
| Keltik Construction Ltd | Construction | 2026 |
| Kelton Estates Limited | Construction | 2011 |
| Kelton Nursery | Education | 2004 |
| Kelvin Car & Commercial Ltd | Wholesale & retail | 2014 |
| Kelwicks Ltd | Wholesale & retail | 2020 |
| Kemea Ltd | Administrative & support | 2022 |
| Kemet Consulting Ltd | Other services | 2022 |
| Kemfast P.A.S.S. Limited | Transport & logistics | 1990 |
| Kemitron PLC | Manufacturing | 1998 |
| Kemlogg Ltd | Information & communication | 2020 |
| Kemperial Property Group Limited | Real estate | 2019 |