| Kpdfs Ltd | Wholesale & retail | 2002 |
| KPG Consultants Limited | Other services | 2022 |
| KPP Oldham Ltd | Hospitality | 2019 |
| Kraft Upholstery Limited | Manufacturing | 2013 |
| Krave Corner Ltd | Hospitality | 2024 |
| Krishna Convenience Store Limited | Wholesale & retail | 2011 |
| Krispy Catch Ltd | Hospitality | 2024 |
| Krispy Gold Fish & Chips Limited | Hospitality | 2018 |
| Krmh Risk Solutions Ltd | Administrative & support | 2017 |
| Kroam Skin Ltd | Other services | 2024 |
| Kronwelloros Ltd | Construction | 2024 |
| Kruss Ltd | Administrative & support | 2025 |
| KS15 Solutions Ltd | Wholesale & retail | 2025 |
| KSC Property Ltd | Real estate | 2025 |
| Ksgz Holdings Limited | Construction | 2023 |
| KSL Recruitment Ltd | Professional & scientific | 2023 |
| Ksxi Ltd | Professional & scientific | 2025 |
| KT & a Consultancy Ltd | Professional & scientific | 2022 |
| KT Electrical Solutions Ltd | Construction | 2025 |
| Ktbo Limited | Wholesale & retail | 2024 |
| Kuiper Industries Ltd | Information & communication | 2019 |
| Kunren Ventures Ltd | Professional & scientific | 2025 |
| Kurdo Home Desgin Ltd | Construction | 2025 |
| Kurds Cuts PVT Limited | Other services | 2026 |
| Kurry HUT Limited | Hospitality | 2019 |
| Kurry Kitchen Ltd | Hospitality | 2026 |
| KURT56 Limited | Hospitality | 2024 |
| Kushty Healthcare Limited | Wholesale & retail | 2025 |
| Kutchenhaus Basingstoke Ltd | Wholesale & retail | 2021 |
| Kuyet Limited | Administrative & support | 2014 |
| KV Productions Ltd | Information & communication | 2021 |
| Kvadro Interiors Limited | Construction | 2017 |
| KW Wholesale Ltd | Wholesale & retail | 2018 |
| KW Windows & Doors Ltd | Construction | 2023 |
| Kwamsci Healthcare Ltd | Wholesale & retail | 2024 |
| KWH Hire Limited | Transport & logistics | 2025 |
| Kwik Money Ltd | Professional & scientific | 2022 |
| Kwik Repair Body & Paint Shop Ltd | Wholesale & retail | 2019 |
| Kwikprint Media Limited | Administrative & support | 2018 |
| KY Optical Ltd | Health & social care | 2018 |
| Kyle Biggs Design Ltd | Professional & scientific | 2026 |
| Kyste Ltd | Wholesale & retail | 2025 |
| KZ Hub Limited | Wholesale & retail | 2025 |
| Kzstock Ltd | Wholesale & retail | 2022 |
| K’S Burgerz Ltd | Hospitality | 2025 |
| L & a Properties MCR Ltd | Real estate | 2025 |
| L & C Care Home Ltd | Health & social care | 2023 |
| L & F Components Ltd | Wholesale & retail | 2023 |
| L & L Hair Design Limited | Other services | 2010 |
| L & P Caggiano Limited | Hospitality | 2003 |
| L and a Holiday Club Limited | Education | 2017 |
| L C Atkin Limited | Administrative & support | 2013 |
| L D Mechanical Solutions Ltd | Administrative & support | 2013 |
| L Eastwood (NW) Ltd | Wholesale & retail | 2015 |
| L Hill Painting Ltd | Construction | 2026 |
| L J R Decor Ltd | Construction | 2024 |
| L K Metals Ltd | Wholesale & retail | 2012 |
| L P Swift Electrical Contractors Limited | Construction | 2015 |
| L Rogers Joinery Ltd | Construction | 2014 |
| L Walsh Ventures Ltd | Professional & scientific | 2023 |
| L&V Properties Ltd | Real estate | 2023 |
| L&W Trading Ltd | Professional & scientific | 2026 |
| L'Amour Investment Group Ltd | Real estate | 2025 |
| L'Amour Properties Ltd | Real estate | 2015 |
| L. a. D. H Limited | Financial services | 2019 |
| L. Hague Signs Limited | Construction | 2002 |
| L.A.D.S Energy Ltd | Construction | 2017 |
| L.J.P. Construction Limited | Extraterritorial | 1994 |
| L.M.W. Property Services Ltd | Real estate | 2018 |
| L.P.O. Trading Ltd | Administrative & support | 2014 |
| L1 Nail Ltd | Other services | 2026 |
| L31 Limited | Manufacturing | 2016 |
| LA Benim Ltd | Wholesale & retail | 2022 |
| LA Oriana Ltd | Wholesale & retail | 2026 |
| La'Peal by OTH Ltd | Real estate | 2026 |
| LA1 Limited | Financial services | 2017 |
| Laakk Ltd | Health & social care | 2021 |
| Laavan International Limited | Wholesale & retail | 2013 |
| LAB Networks Ltd | Information & communication | 2024 |
| LAB3MEDIA Ltd | Information & communication | 2007 |
| Labelsun Limited | Manufacturing | 1996 |
| Laboratory Plastic Ductwork Limited | Manufacturing | 2020 |
| LAC Installations Limited | Construction | 2005 |
| LAC TM Ltd | Construction | 2024 |
| Lace&Silk Limited | Manufacturing | 2021 |
| Lacoco Events Ltd | Hospitality | 2024 |
| Ladies Arena Limited | Other services | 2025 |
| Lady C'S Boutique Ltd | Other services | 2024 |
| Ladybarn Property Management Company Limited | Real estate | 2017 |
| Ladywell Point (Block a) RTM Company Limited | Households | 2019 |
| Ladywell Point (Block B) RTM Company Limited | Households | 2019 |
| Lagflex Ltd | Manufacturing | 2025 |
| Laghman Construction Ltd | Construction | 2019 |
| Lahori Chaska (ARS) Ltd | Hospitality | 2019 |
| Lainésco Limited | Information & communication | 2018 |
| Lake Ventures Ltd | Financial services | 2026 |
| Lake View Forestry Nursery Limited | Education | 2026 |
| Lakefare Ltd | Hospitality | 2024 |
| Lakes Business Services (NW) Limited | Manufacturing | 2017 |
| Lakeside Renovations Limited | Construction | 2020 |