| LA Bottega DI Anna Ltd | Hospitality | 2015 |
| LA Constructions (UK) Ltd | Construction | 2013 |
| LA Dolce Tavola Ltd | Hospitality | 2021 |
| LA Fortuna Polo Ltd | Arts & recreation | 2014 |
| LA Hill Ltd | Health & social care | 2018 |
| LA Pluie Limited | Other services | 2022 |
| LA Pollera Colora Limited | Hospitality | 2012 |
| LA Proprieta Limited | Real estate | 2026 |
| LA Services and Consultancy Limited | Professional & scientific | 2024 |
| LA Valle Ltd | Hospitality | 2020 |
| Labeeba Limited | Financial services | 2021 |
| LAC Properties Ltd | Real estate | 2024 |
| Lacaphe Limited | Hospitality | 2024 |
| Laced Reverie Ltd | Wholesale & retail | 2026 |
| Lady Anne Cuisine Limited | Extraterritorial | 2022 |
| Lady Bird Baker Ltd | Extraterritorial | 2023 |
| Lady Pink Ltd | Other services | 2026 |
| Ladysmith Road Freehold Management Ltd | Real estate | 2015 |
| Laf(Laryea-Ankomah Family) Ltd | Professional & scientific | 2026 |
| Lafk Property Ltd | Real estate | 2023 |
| Lahirix Ltd | Information & communication | 2022 |
| LAI Jewels Limited | Wholesale & retail | 2021 |
| LAK M&E Construction Ltd | Construction | 2020 |
| Lake Cafe Thorne Ltd | Hospitality | 2023 |
| Lake View Memorial Ltd | Real estate | 2025 |
| Lake View Thorne Ltd | Hospitality | 2023 |
| Lakeside Ducklings Childcare Ltd | Health & social care | 2015 |
| Lala Bonka Limited | Wholesale & retail | 2025 |
| Lalabière Limited | Manufacturing | 2023 |
| Lale London Ltd | Wholesale & retail | 2019 |
| Laliya Properties Ltd | Real estate | 2025 |
| Lanco Holding Ltd | Wholesale & retail | 2025 |
| Land & Sea Purchasing Limited | Extraterritorial | 2017 |
| Land Rover Specialist Services Ltd | Wholesale & retail | 2022 |
| Landau Residential Care Limited | Health & social care | 2024 |
| Landbank Property Holdings Limited | Real estate | 2012 |
| Landlord Eviction Services Group Ltd | Administrative & support | 2024 |
| Landlord Safety Certificate Ltd | Construction | 2020 |
| Landmark Real Estate & Development (Lred) Limited | Real estate | 2024 |
| Lanes Development Ltd | Administrative & support | 2024 |
| Lanes Motor Group Limited | Wholesale & retail | 2024 |
| Langaigne Logistics Ltd | Construction | 2025 |
| Langan Construction Services Ltd | Professional & scientific | 2025 |
| Langford Chase Estate Agents Limited | Real estate | 2006 |
| Langley Business Services Ltd | Professional & scientific | 2020 |
| Langley Search and Selection Ltd | Administrative & support | 2002 |
| Langley Serve Drainage Limited | Water & waste | 2025 |
| Langley Serve Limited | Construction | 2014 |
| Langley Terrace Management Limited | Real estate | 1984 |
| Langton Court Management Company Limited | Administrative & support | 1989 |
| Lanka Supplies Ltd | Wholesale & retail | 2022 |
| Lanmy Limited | Other services | 2021 |
| Lappollo Limited | Wholesale & retail | 2020 |
| Laralink Limited | Information & communication | 2022 |
| Lari Hair Ltd | Other services | 2019 |
| Larissa Vieira Advanced Aesthetics Ltd | Other services | 2024 |
| Larvotto Holdings Ltd | Real estate | 2026 |
| LAS Americas League C.I.C. | Arts & recreation | 2019 |
| Lasa Enterprise Limited | Transport & logistics | 2021 |
| Lash IT UP Ltd | Other services | 2020 |
| Lashes World by Victoria Ltd | Other services | 2021 |
| Lashesbyaba Limited | Wholesale & retail | 2021 |
| Laspo Enterprises Limited | Professional & scientific | 2013 |
| Latin Fitness Academy Limited | Administrative & support | 2010 |
| Latin Kiss Limited | Education | 2024 |
| Latitude Consultants Limited | Education | 2012 |
| Latrave Ltd | Manufacturing | 2001 |
| Laumis Ltd | Construction | 2025 |
| Launch PAD Films Ltd | Information & communication | 2011 |
| Laurabeauty Ltd | Other services | 2026 |
| Lauren Bishop Limited | Administrative & support | 2018 |
| Laurinda Professional Cleaning Services Ltd | Administrative & support | 2026 |
| Lavada Ltd | Wholesale & retail | 2017 |
| Lavender Hill Garage Ltd | Real estate | 2025 |
| Lavender Properties (London) Limited | Real estate | 2024 |
| Laveo Ltd | Wholesale & retail | 2024 |
| Lavin Distribution Limited | Administrative & support | 2016 |
| Lavin Meat Ltd | Wholesale & retail | 2021 |
| Lavish Bath & Body Ltd | Wholesale & retail | 2019 |
| Lavish Whetstone Holdings Ltd | Real estate | 2020 |
| Lawcups Limited | Wholesale & retail | 2024 |
| Lawson Transport Limited | Transport & logistics | 2024 |
| Lawsons Relocations Ltd. | Hospitality | 2023 |
| Laxus Properties Ltd | Real estate | 2023 |
| LAY IT Down Ltd | Construction | 2025 |
| Layalipetals Ltd | Wholesale & retail | 2025 |
| Laye MI Healthcare Services Limited | Health & social care | 2020 |
| Lays Facility & Fire Management Consultants Ltd | Construction | 2025 |
| Laysecured.Security Limited | Administrative & support | 2025 |
| Laysin Limited | Professional & scientific | 2019 |
| Lazdoit Ltd | Construction | 2017 |
| Lazepe Ltd | Manufacturing | 2013 |
| LBP Creative Ltd | Information & communication | 2015 |
| LC Finances Limited Partnership | | 2015 |
| LCA Electrical Ltd | Construction | 2017 |
| Lcco Business Advisors Ltd | Professional & scientific | 2023 |
| Lcco Limited | Professional & scientific | 2016 |
| LCS IT Limited | Information & communication | 2022 |
| LD Letting and Development Ltd | Real estate | 2024 |
| LDC United Properties Limited | Real estate | 2017 |