| KV Developers Limited | Real estate | 2017 |
| KV World ID Ltd | Professional & scientific | 2026 |
| KVC Investments Ltd | Real estate | 2020 |
| KVD Ventures Ltd | Construction | 2026 |
| Kvgp Ltd | Health & social care | 2025 |
| KVK Holdings Ltd | Financial services | 2025 |
| KVL & Kate Ltd | Wholesale & retail | 2025 |
| KVM Investment Properties Ltd | Real estate | 2024 |
| KVM Trading Ltd | Wholesale & retail | 2026 |
| Kvmaj Ltd | Wholesale & retail | 2024 |
| Kvpr Medical Consulting Limited | Health & social care | 2014 |
| Kvrone Limited | Wholesale & retail | 2026 |
| Kvsp Services Ltd | Professional & scientific | 2024 |
| KVV Airhull Ltd | Real estate | 2023 |
| KW Car Service Ltd | Wholesale & retail | 2019 |
| KW Cash & Carry Ltd | Wholesale & retail | 2025 |
| KW Decorators Ltd | Construction | 2016 |
| Kwacha UK Ltd | Wholesale & retail | 2008 |
| Kwego Financial Technology Limited | Information & communication | 2025 |
| Kwench Bar Ltd | Manufacturing | 2023 |
| Kwik Accounting & Taxation Services Limited | Professional & scientific | 2000 |
| Kwik Buy Limited | Wholesale & retail | 2014 |
| Kwik Ltd | Manufacturing | 2023 |
| Kwikcabs Group Limited | Transport & logistics | 2017 |
| Kwikchoose Plastics Limited | Manufacturing | 2014 |
| Kwikshipper Ltd | Wholesale & retail | 2023 |
| KWJ Homes Ltd | Real estate | 2021 |
| Kwpm Ltd | Real estate | 2025 |
| Kxng Fuzane Logistics Limited | Transport & logistics | 2025 |
| KY13 JAY Ltd | Wholesale & retail | 2022 |
| Kyjax Ltd | Wholesale & retail | 2025 |
| Kylon Kane Ltd | Information & communication | 2011 |
| Kynara Cinematics Ltd | Information & communication | 2024 |
| Kyndtrans Ltd | Transport & logistics | 2025 |
| Kyngs Golf & Country Club Limited | Arts & recreation | 2008 |
| Kyoryoku Solutions Ltd | Other services | 2025 |
| Kypin Trans Ltd | Transport & logistics | 2018 |
| Kyra Amelia Ltd | Other services | 2023 |
| KYS (Leicester) Limited | Real estate | 2018 |
| Kyzin Consultancy Ltd | Professional & scientific | 2015 |
| KZ Express Service Ltd | Transport & logistics | 2019 |
| KZA Ltd | Financial services | 2018 |
| KZA Property Group Ltd | Real estate | 2025 |
| Kzon Trading Limited | Extraterritorial | 2021 |
| KZS Electrical & Lighting Ltd | Wholesale & retail | 2025 |
| K’S and J’S Investments Limited | Real estate | 2018 |
| K’S Freight and Haulage Ltd | Wholesale & retail | 2025 |
| L & a Accommodations Limited | Hospitality | 2021 |
| L & E Electrical Contractors Ltd | Construction | 2022 |
| L & I Plumbing Services Ltd | Construction | 2022 |
| L & J Waddington (Leicester) Limited | Construction | 1977 |
| L & M Luxury Stays Ltd | Hospitality | 2024 |
| L & M Spray Finishers Limited | Construction | 2005 |
| L & S Scaffolding Ltd | Construction | 2015 |
| L & Y Grocery Ltd | Real estate | 2021 |
| L a Cutting Tools Ltd | Professional & scientific | 2012 |
| L a Hand Car Wash Ltd | Administrative & support | 2024 |
| L Aitken Skills Ltd | Professional & scientific | 2025 |
| L and E Consulting Limited | Wholesale & retail | 2012 |
| L C Roofing Services Ltd | Construction | 2026 |
| L D Chiswell Financial Solutions Ltd | Financial services | 2016 |
| L D Plumbing & Heating Ltd | Construction | 2016 |
| L D UK Holdings Limited | Real estate | 2023 |
| L E Associates (UK) Limited | Real estate | 2005 |
| L E Energy Limited | Construction | 2025 |
| L J Contract Services Limited | Construction | 2021 |
| L J Mcgarry Limited | Administrative & support | 2015 |
| L K and K Ltd | Energy | 2025 |
| L M Car Valeting Limited | Administrative & support | 2013 |
| L Marshall Limited | Construction | 2020 |
| L O'Neill Carpentry Ltd | Construction | 2013 |
| L P Roofing Midlands Limited | Construction | 2024 |
| L R Resins Ltd | Construction | 2025 |
| L S & L Drapers Limited | Wholesale & retail | 2003 |
| L S Builder Leicester Ltd | Construction | 2022 |
| L S Consulting (2018) Ltd | Professional & scientific | 2018 |
| L S Garage Ltd | Wholesale & retail | 2025 |
| L V Gosai Limited | Households | 2018 |
| L Z Cars Ltd | Wholesale & retail | 2024 |
| L&A Bradgate Consulting Ltd | Professional & scientific | 2011 |
| L&B Building Services Limited | Construction | 2025 |
| L&B Plumbing & Heating Limited | Construction | 2008 |
| L&E Stragtegy Ltd | Professional & scientific | 2025 |
| L&F Powder Coating Limited | Construction | 2022 |
| L&I Transport Ltd | Transport & logistics | 2017 |
| L&M Retail Ltd | Wholesale & retail | 2024 |
| L&S Retail Limited | Professional & scientific | 2021 |
| L&S Steelworkers Limited | Manufacturing | 2008 |
| L&T Estates (Holdings) Ltd | Real estate | 2017 |
| L&T Properties Ltd | Real estate | 2017 |
| L&W Transport Ltd | Transport & logistics | 2017 |
| L'Amore Dessert Lounge Ltd | Hospitality | 2025 |
| L'Atelier Hair Salon Ltd | Other services | 2012 |
| L'Boro Cuisine Limited | Hospitality | 2019 |
| L'Event Party Planning & Organisation Ltd | Hospitality | 2019 |
| L'Homme Gentleman's Grooming Lounge Limited | Other services | 2015 |
| L'Italiano Kitchen Ltd | Hospitality | 2026 |
| L. S. Joinery Limited | Construction | 2006 |
| L.A. Rennock Studios Ltd | Professional & scientific | 2024 |
| L.A.X. Fitness Limited | Arts & recreation | 2022 |