| Kars Service Centre Limited | Wholesale & retail | 2023 |
| Kartar Limited | Extraterritorial | 2011 |
| Karter Limited | Real estate | 2019 |
| Kasguma Logistics Ltd | Transport & logistics | 2026 |
| Kash Tutter Solicitors Ltd | Professional & scientific | 2022 |
| Kashmae Ltd | Hospitality | 2023 |
| Kashmir Cargo Services Limited | Transport & logistics | 2018 |
| Kashmir Halal Meat Centre Ltd | Wholesale & retail | 2024 |
| Kashmir Halal Meat Derby Ltd | Wholesale & retail | 2022 |
| Kashmir Properties UK Ltd | Real estate | 2024 |
| Kashmir Tandoori Takeaway Ltd | Hospitality | 2018 |
| Kashperry Limited | Hospitality | 2021 |
| Kasper & Kitty Limited | Wholesale & retail | 2017 |
| Kasteel Ltd | Information & communication | 2023 |
| Kate Brown Consultancy Limited | Administrative & support | 2024 |
| Kate Dawson Jewellery Ltd | Manufacturing | 2019 |
| Kate Jenkins Limited | Professional & scientific | 2009 |
| Kateslt Limited | Extraterritorial | 2013 |
| Katharine Basey Limited | Financial services | 2016 |
| Kathy Grindey Limited | Health & social care | 2014 |
| Kathy Mclean Limited | Professional & scientific | 2019 |
| Katie Burrows Consulting Limited | Professional & scientific | 2025 |
| Katie Luckhurst Ltd | Hospitality | 2024 |
| Katie's Kitchen (Borrowash) Limited | Hospitality | 2019 |
| Katy Henry Ltd | Administrative & support | 2014 |
| Kavane PLC | Financial services | 2017 |
| Kavani Consultancy Ltd | Professional & scientific | 2025 |
| Kavani Ltd | Other services | 2024 |
| KAY and L Properties Ltd | Real estate | 2021 |
| KAY Burley Limited | Hospitality | 2024 |
| KAY Designs and Prints Ltd | Professional & scientific | 2023 |
| KAY Squared Ltd | Real estate | 2023 |
| KAY Thompson Consults Limited | Professional & scientific | 2023 |
| Kaya Renovation and Rentals Limited | Households | 2022 |
| Kaybee African Stores Ltd | Wholesale & retail | 2026 |
| Kaydee Ltd | Wholesale & retail | 2025 |
| Kayenta Freight Limited | Transport & logistics | 2008 |
| Kaygazpro CIC | Education | 2026 |
| Kayi Limited | Hospitality | 2019 |
| Kaymak Holdings Ltd | Financial services | 2025 |
| Kayode-Alli Limited | Health & social care | 2021 |
| Kayra (Derby) Limited | Wholesale & retail | 2017 |
| Kayzeet Ltd | Health & social care | 2023 |
| Kazak Transport Ltd | Transport & logistics | 2019 |
| Kazi Mokbul International Trading Company Ltd | Wholesale & retail | 2025 |
| KB Executive Coaching and Consultancy Limited | Professional & scientific | 2024 |
| KB Logistics Ltd | Wholesale & retail | 2025 |
| KBD Growth & Advisory Ltd | Professional & scientific | 2025 |
| KBS Transports Ltd | Transport & logistics | 2022 |
| KBW Accountancy Services Ltd | Extraterritorial | 2019 |
| KC 678 Limited | Wholesale & retail | 2024 |
| KC Aesthetic & Skin Clinic Limited | Other services | 2023 |
| KC Jones Group Ltd | Financial services | 2024 |
| KC Meyer Associates Limited | Information & communication | 2017 |
| KC Plumbing Limited | Wholesale & retail | 2020 |
| KC Procurement Bodyshop Limited | Wholesale & retail | 2025 |
| KC Procurement Consultancy Limited | Professional & scientific | 2009 |
| KC Procurement Kars Limited | Wholesale & retail | 2021 |
| KC Procurement Property Limited | Real estate | 2016 |
| KC Procurement Property Management Limited | Households | 2020 |
| KC3 Construction Ltd | Construction | 2023 |
| KCB Estimating Limited | Construction | 2019 |
| KCM Leisure Ltd | Hospitality | 2002 |
| KCP Investments Limited | Real estate | 2020 |
| KCS Automobile Limited | Wholesale & retail | 2025 |
| KCS Traders Limited | Transport & logistics | 2021 |
| Kcselect Consultancy Ltd | Professional & scientific | 2024 |
| KD Chef Limited | Hospitality | 2023 |
| KD Collective Limited | Arts & recreation | 2011 |
| KD Courier & Removal Services Ltd | Transport & logistics | 2017 |
| KD Design & Drafting Ltd | Professional & scientific | 2024 |
| KD Merchant Limited | Wholesale & retail | 2025 |
| KD MOT Limited | Wholesale & retail | 2017 |
| KD Trimz Derby Ltd | Other services | 2022 |
| KDA Lifestyle Limited | Professional & scientific | 2024 |
| KDA Property Holdings Limited | Financial services | 2020 |
| KDA Property Solutions Limited | Real estate | 2020 |
| KDA Stays 1 Limited | Real estate | 2024 |
| KDA Stays 2 Limited | Real estate | 2024 |
| KDM Motors Limited | Wholesale & retail | 2025 |
| KDP Solutions Limited | Information & communication | 2006 |
| Kdss Ltd | Real estate | 2025 |
| KDT (Midlands) Ltd | Wholesale & retail | 2021 |
| KDT Holdings (Midlands) Ltd | Financial services | 2023 |
| KE 247 Support Services CIC | Health & social care | 2021 |
| KE247 Children's Services Ltd | Health & social care | 2026 |
| Kebab Guys Derby Ltd | Hospitality | 2025 |
| Kebab House Derby Ltd | Hospitality | 2018 |
| Kebab House Derbyshire Limited | Hospitality | 2025 |
| Kebab House Midland Ltd | Hospitality | 2024 |
| Kedleston Accountants Limited | Professional & scientific | 2026 |
| Kedleston Consulting Ltd | Professional & scientific | 2025 |
| Kedleston Contractors Ltd | Construction | 2018 |
| Kedleston Design Ltd | Construction | 2017 |
| Kedleston Garden Buildings Limited | Construction | 2021 |
| Kedleston Grange (Allestree) Residents Management Company Limited | Households | 2020 |
| Kedleston Homes Limited | Construction | 2004 |
| Kedleston House Limited | Real estate | 2018 |
| Kedleston Ltd | Construction | 2004 |
| Kedleston Properties Limited | Real estate | 2023 |