| LA Investments and Building Services Ltd | Construction | 2020 |
| LA Maison Renovations Limited | Construction | 2012 |
| LA Tavola Ltd | Hospitality | 2024 |
| LA Trappe Services Ltd | Transport & logistics | 2026 |
| LAB Records Limited | Administrative & support | 2009 |
| Labinsky 2 Limited | Financial services | 2021 |
| Labinsky Limited | Hospitality | 2018 |
| Lablifeequipment Ltd | Manufacturing | 2024 |
| Lacey Naylor Consulting Ltd | Information & communication | 2025 |
| Lachesis Project and Risk Limited | Professional & scientific | 2026 |
| Laeto Properties Ltd | Real estate | 2018 |
| Laeto Trading Ltd | Wholesale & retail | 2016 |
| LAILAH0804 Consulting Ltd | Administrative & support | 2026 |
| Lake House Yachting Ltd | Extraterritorial | 2024 |
| Lake Lodge Limited | Households | 1976 |
| Lakeland Luxury Developments Limited | Extraterritorial | 2021 |
| Lakeland Luxury Properties Limited | Construction | 2021 |
| Lakelife Bowness Limited | Wholesale & retail | 2023 |
| Lamartine Ltd | Information & communication | 2014 |
| Lamba Group Ltd | Hospitality | 2024 |
| Lambourne Legal Costs Limited | Professional & scientific | 2018 |
| Lambton Property Ltd | Households | 2019 |
| LAN Auto Repair Shop Ltd | Wholesale & retail | 2022 |
| Lana Banana Publishing Ltd | Information & communication | 2019 |
| Lanayr Hotel Blackpool Limited | Hospitality | 2026 |
| Lanayr Hotel Ltd | Hospitality | 2024 |
| Lancashire Car Parks Limited | Transport & logistics | 2018 |
| Lancashire Commercial Property Management Ltd | Real estate | 2017 |
| Lancashire Concrete Services Ltd | Transport & logistics | 2018 |
| Lancashire Educational Consultancy Ltd | Professional & scientific | 2025 |
| Lancashire Entertainment Center 1 Limited | Hospitality | 2026 |
| Lancashire Entertainment Limited | Hospitality | 2026 |
| Lancashire Entertainments Centre Limited | Hospitality | 2026 |
| Lancashire Event Table & Chair Hire Ltd | Arts & recreation | 2013 |
| Lancashire Hill Developments Ltd | Construction | 2019 |
| Lancashire Hill Ltd | Real estate | 2016 |
| Lancashire Hongkongers CIC | Administrative & support | 2024 |
| Lancashire Hot Tubs Limited | Construction | 2013 |
| Lancashire Linen and Textiles Ltd | Wholesale & retail | 2025 |
| Lancashire Oral Surgery Clinic Ltd. | Health & social care | 2016 |
| Lancashire Property Development & Maintenance Limited | Construction | 2004 |
| Lancashire Property Maintenance Limited | Construction | 2003 |
| Lancashire Sports Medicine Ltd | Health & social care | 2019 |
| Lancaster House (Fleetwood) Limited | Households | 1974 |
| Lancs ICT Ltd | Information & communication | 2021 |
| Lancs MAG Ltd | Information & communication | 2016 |
| Landbond UK Ltd | Wholesale & retail | 2009 |
| Landloom Investment Limited | Real estate | 2024 |
| Landlord Certify Ltd | Manufacturing | 2024 |
| Landlord Member Services Limited | Extraterritorial | 2006 |
| Landlord Property Services Limited | Real estate | 2006 |
| Landmark Property Maintenance & Developments Holdings Ltd | Construction | 2022 |
| Lane Accountancy Ltd | Professional & scientific | 2025 |
| Langbank Forestry Services Ltd | Agriculture & fishing | 2014 |
| Langton Court (Penrith) Management Company Ltd | Households | 2015 |
| Langton Development Services Ltd | Construction | 2021 |
| Langton Residential Ltd | Real estate | 2024 |
| Lanny's Afro Beauty Place Ltd | Other services | 2025 |
| Lansdale Court Management Co. Limited | Households | 1986 |
| Lantern Consultancy (UK) Ltd | Information & communication | 2018 |
| Lanzheron Ltd | Water & waste | 2021 |
| Lara Cakes Limited | Manufacturing | 2023 |
| Largan Consulting Ltd | Wholesale & retail | 2025 |
| Lark Electrical Services Ltd | Mining & quarrying | 2008 |
| Lark Property Lettings Ltd | Real estate | 2019 |
| Larla Ltd | Wholesale & retail | 2024 |
| Larlarlar Limited | Construction | 2026 |
| Laroshan Ltd | Hospitality | 2012 |
| Laserline Road Marking Limited | Construction | 2013 |
| Lasra Ltd | Manufacturing | 2023 |
| Laszlo & SON Limited | Real estate | 2022 |
| Laszlo Junior Properties Limited | Real estate | 2023 |
| Late Filing Compliance Ltd | Professional & scientific | 2023 |
| Lateo Global Solutions Ltd | Administrative & support | 2015 |
| Lateo Hospitality Ltd | Hospitality | 2018 |
| Latif & Family Ltd | Wholesale & retail | 2009 |
| Latimer Actuarial Limited | Professional & scientific | 2018 |
| Latitud 35 Boats Limited | Extraterritorial | 2024 |
| Latuske Events Ltd | Administrative & support | 2026 |
| Laulet Capital Limited | Real estate | 2023 |
| Laurence Ventura Limited | Information & communication | 2018 |
| Laurent Management Ltd | Real estate | 2015 |
| Lavelle’S Affordable Motors Ltd | Wholesale & retail | 2025 |
| Lavenne Services Limited | Transport & logistics | 2026 |
| Lawder Group Limited | Financial services | 2024 |
| Lawfield & Abbott Automotive Ltd | Wholesale & retail | 2020 |
| Lawfield Engineering Ltd | Wholesale & retail | 2019 |
| Lawless Bargains Ltd | Wholesale & retail | 2025 |
| Lawn Court (Blackpool) Limited | Households | 1986 |
| Lawn Enforcement Limited | Administrative & support | 2014 |
| Lawrence & Lamb Ltd | Wholesale & retail | 2023 |
| Lawrence Manor (ST Annes) Property Management Limited | Households | 1996 |
| Lawson Business Finance Ltd | Administrative & support | 2016 |
| Lawton's Lingerie Limited | Wholesale & retail | 2000 |
| Lawtonsbakes Limited | Manufacturing | 2025 |
| Laxvish Ltd | Wholesale & retail | 2025 |
| Layton Pizza Ltd | Hospitality | 2018 |
| Layton Pre-School Limited | Education | 2015 |
| Lazad Consultants Limited | Administrative & support | 2007 |
| Lazarus Books Limited | Wholesale & retail | 2006 |