| Kidzventure Ltd | Health & social care | 2026 |
| Kingdom Kare Limited | Health & social care | 2026 |
| Kings Radio Exim Private Limited | Real estate | 2020 |
| Kingsway Carpets and Rugs Ltd | Wholesale & retail | 2012 |
| Kingsway Healthcare Limited | Wholesale & retail | 2022 |
| Kington Enterprises Ltd | Professional & scientific | 2021 |
| Kintsugi CC Ltd | Administrative & support | 2024 |
| Kirkley Property Investments Ltd | Real estate | 2019 |
| Kitchen King Intl Limited | Wholesale & retail | 2023 |
| Kitchenwide Limited | Manufacturing | 2021 |
| KJ Investment Holdings Ltd | Professional & scientific | 2024 |
| KJC Statistics Limited | Administrative & support | 2013 |
| KJG Solutions Ltd | Administrative & support | 2024 |
| KJT Consulting Ltd | Professional & scientific | 2016 |
| KK Business Advisory Ltd | Information & communication | 2025 |
| KK Homeware Limited | Wholesale & retail | 2026 |
| KK Properties MCR Limited | Real estate | 2020 |
| KK Risk Solutions Ltd | Real estate | 2018 |
| KKS Healthcare Ltd | Health & social care | 2024 |
| KM 2023 Ltd | Administrative & support | 2023 |
| KM Smith Property Ltd | Real estate | 2024 |
| KMN Biotech Consulting Limited | Professional & scientific | 2024 |
| KMT Holdings Ltd | Real estate | 2019 |
| KNH Properties Ltd | Construction | 2017 |
| Knight Forsyth Ltd | Other services | 2020 |
| Knightsbridge Estates and Investments Ltd | Real estate | 2018 |
| Knightstead Holdings Limited | Financial services | 2026 |
| Knightswood (Cheadle Hulme) Management Company Limited | Households | 2011 |
| Knowles Technology Ltd | Information & communication | 2023 |
| Knutsford Taxis Ltd | Transport & logistics | 2026 |
| Komail Ltd | Professional & scientific | 2023 |
| Konect Brook Holdings Ltd | Real estate | 2023 |
| Konect Electrical Services Ltd | Construction | 1997 |
| Konect Property Investments Ltd | Real estate | 2019 |
| Konstrukt Resourcing Limited | Administrative & support | 2020 |
| Kouree Global Ltd | Financial services | 2020 |
| Kouree Ltd | Manufacturing | 2020 |
| KPI Limited | Real estate | 2019 |
| KPK9 Ltd | Extraterritorial | 2025 |
| Kptom Ltd | Health & social care | 2021 |
| KR Marketing and Consultancy Ltd | Administrative & support | 2024 |
| Krayton Ltd | Wholesale & retail | 2022 |
| KRE Holdings Ltd | Construction | 2025 |
| Krish Medical Ltd | Health & social care | 2016 |
| KRM Properties Limited | Real estate | 2015 |
| KS Property and Maintance Ltd | Real estate | 2025 |
| KS Smart Repairs (NW) Ltd | Wholesale & retail | 2018 |
| KTF Developments Limited | Construction | 2022 |
| Kudos Training Ltd | Education | 2021 |
| Kukri Events Limited | Administrative & support | 2011 |
| Kukri GB Limited | Wholesale & retail | 2007 |
| Kukri Holdings Limited | Financial services | 2023 |
| Kukri Sports Ltd. | Manufacturing | 1999 |
| Kurvarg Healthcare Ltd | Wholesale & retail | 2024 |
| KVA Consulting Ltd | Information & communication | 2024 |
| KVG Psychology Limited | Health & social care | 2025 |
| Kyotherm Biomass NO 1 Ltd | Manufacturing | 2014 |
| Kyotherm Cogen Ltd | Financial services | 2020 |
| Kyotherm CPP Limited | Financial services | 2022 |
| Kyotherm Magma Ltd | Manufacturing | 2015 |
| Kyotherm Solar Edge Ltd | Financial services | 2015 |
| L a Bennett Property Management Ltd | Real estate | 2022 |
| L a Homes Estate Ltd | Real estate | 2026 |
| L Gilmore Consulting Ltd | Construction | 2023 |
| L K C Barbers Ltd | Other services | 2024 |
| L Trotman Ltd | Professional & scientific | 2020 |
| L&D Property Management Ltd | Real estate | 2026 |
| L&G Group Properties Ltd | Construction | 2023 |
| L&J Property Group Ltd | Real estate | 2020 |
| L. J. Lewis Hair Limited | Other services | 2014 |
| L.E.N Heating & Plumbing Services Ltd | Construction | 2020 |
| LA Academia Education Ltd | Education | 2025 |
| LA Bella Torino Ltd | Hospitality | 2024 |
| LA Belle Prestige Limited | Other services | 2017 |
| LA Belle SK8 Ltd | Other services | 2025 |
| LA Cafe(Gatley) Ltd | Hospitality | 2023 |
| LA Casa Project Ltd | Construction | 2026 |
| LA Cellule Geneve Ltd | Wholesale & retail | 2018 |
| LA Cueva (Cheadle) Limited | Hospitality | 2019 |
| LA Dietitians Limited | Health & social care | 2011 |
| LA Holding Group Ltd | Financial services | 2022 |
| LA Homes Cheshire Ltd | Construction | 2018 |
| LA Homes Real Estate Ltd | Construction | 2021 |
| LA Legal Group Ltd | Professional & scientific | 2025 |
| LA Management Group Ltd | Professional & scientific | 2022 |
| LA Passion DU VIN Ltd. | Wholesale & retail | 2014 |
| LA Property Group Ltd | Financial services | 2023 |
| Labib Ltd | Wholesale & retail | 2024 |
| Laburnum Management (Hale) Limited | Households | 1986 |
| Labwa Ltd | Wholesale & retail | 2025 |
| Ladies That UX Manchester CIC | Administrative & support | 2019 |
| Laez Ltd | Manufacturing | 2022 |
| Lagazuoi Ltd | Professional & scientific | 2021 |
| Lake District Falconry Limited | Administrative & support | 2022 |
| Lake District Lodge Stays Limited | Hospitality | 2025 |
| Lakeland Lets Limited | Hospitality | 2025 |
| Lakemere View | Financial services | 2021 |
| Lakeshore Services Ltd | Professional & scientific | 2020 |
| Lalkhan&Co Ltd | Transport & logistics | 2024 |
| Lallypharma Ltd | Manufacturing | 2025 |