| Ladybugs (NW) Ltd | Health & social care | 2023 |
| Lagez Nice Food Ltd | Hospitality | 2024 |
| Lake Court Limited | Hospitality | 2018 |
| Lakenhill Properties Limited | Construction | 1963 |
| Lakeston Distribution Ltd | Other services | 2021 |
| Lalitha Investments Ltd | Real estate | 2026 |
| Lam's Fish Bar Ltd | Hospitality | 2025 |
| Lambles Joinery Ltd | Construction | 2025 |
| Lamont Commercial Repairs Ltd | Wholesale & retail | 2021 |
| Landmark Developments Ltd | Real estate | 2009 |
| Lansdowne Bistro Southport Ltd. | Hospitality | 2012 |
| LAR Fibre Telecoms Ltd | Construction | 2019 |
| Larv Delivers Ltd | Manufacturing | 2025 |
| Lastminute Transportation Ltd | Transport & logistics | 2022 |
| Laura Melv's Dance Academy Ltd | Arts & recreation | 2026 |
| Layan Car Wash Limited | Administrative & support | 2022 |
| LC Electrical Services NW Ltd | Construction | 2025 |
| Lcpl Limited | Wholesale & retail | 2017 |
| LDM Plastering & DRY Lining Limited | Construction | 2021 |
| Lead Property Residential Ltd | Real estate | 2024 |
| Leaders DO Change Limited | Education | 2014 |
| LEC Marketing Limited | Wholesale & retail | 2021 |
| Leighton Autocare Limited | Education | 2007 |
| LEO Fast Construction Ltd | Construction | 2023 |
| Let's Buffet Sandwich Bar Limited | Hospitality | 2018 |
| Let’S Buffet Catering Limited | Hospitality | 2023 |
| Lewis and Dunne Properties Ltd | Financial services | 2025 |
| Lexx Ltd | Manufacturing | 2010 |
| LFC Brothers Ltd | Other services | 2022 |
| Liberate Recycling Limited | Water & waste | 2018 |
| Lidia&Tom Properties Ltd | Real estate | 2020 |
| Lift OFF IT Services Ltd | Information & communication | 2024 |
| Lightvibe Ltd | Professional & scientific | 2023 |
| Limitless Clothing Limited | Wholesale & retail | 2019 |
| Limitless Online Ltd | Health & social care | 2026 |
| Linghams Heswall Limited | Wholesale & retail | 2015 |
| Lintons Direct Limited | Wholesale & retail | 2024 |
| Lionpwr Ltd | Wholesale & retail | 2024 |
| Lisa & Co. Ltd | Other services | 2025 |
| Lisa Rhead Hairdressing Ltd | Other services | 2018 |
| Little House of Aesthetics Ltd | Other services | 2019 |
| Little Italy Oven Pizza Limited | Hospitality | 2025 |
| Little K & Q Care Ltd | Health & social care | 2025 |
| Little K & Q Holding Ltd | Extraterritorial | 2016 |
| Little Liverpool Limited | Education | 2023 |
| Little Things Care Ltd | Health & social care | 2024 |
| Liver Beds Warehouse Limited | Wholesale & retail | 1999 |
| Liverpool 4 Gases Ltd | Wholesale & retail | 2023 |
| Liverpool Accommodation Ltd | Real estate | 2020 |
| Liverpool Auto Care Ltd | Wholesale & retail | 2020 |
| Liverpool Church of England Scripture Readers'Society Incorporated(The) | Administrative & support | 1926 |
| Liverpool Cleaning Company Ltd | Administrative & support | 2025 |
| Liverpool Connect L1 Ltd | Transport & logistics | 2024 |
| Liverpool Day Nursery Limited | Education | 2015 |
| Liverpool Gift Gallery Limited | Wholesale & retail | 2016 |
| Liverpool Property Development Limited | Construction | 2014 |
| Liverpool Repair Services Ltd | Wholesale & retail | 2026 |
| Liverpool Roller Shutters Limited | Manufacturing | 2002 |
| Liverpool Society of Chartered Accountants | Professional & scientific | 1870 |
| Liverpool Tamil Association Ltd | Health & social care | 2026 |
| Liverpool Water Witch Marine & Engineering Company Limited | Manufacturing | 1966 |
| Liverpool Wholesale Clearance Warehouse Limited | Wholesale & retail | 2024 |
| Living Brickwork Ltd | Construction | 2026 |
| Living Initiatives (UK) Limited | Hospitality | 2005 |
| LK Renewables Ltd | Construction | 2025 |
| LKM Security Systems Limited | Extraterritorial | 2010 |
| Lloyd & Jones Engineers (Holdings) Limited | Real estate | 2001 |
| Lloyd & Jones Engineers Limited | Wholesale & retail | 1983 |
| Lloyd & Jones Limited | Wholesale & retail | 2021 |
| LME Accountancy Ltd | Professional & scientific | 2019 |
| Lmgh Distribution Ltd | Wholesale & retail | 2025 |
| Lock and Quay Community PUB CIC | Hospitality | 2026 |
| London Global Trading Ltd | Wholesale & retail | 2023 |
| London Shopping Zone Ltd | Wholesale & retail | 2022 |
| Longton Hall Farm (Bootle) Ltd | Wholesale & retail | 2012 |
| Longton Hall Farm Limited | Wholesale & retail | 2008 |
| Lord Investments & Property Ltd | Construction | 2019 |
| Losushiuk Ltd | Hospitality | 2024 |
| Lothario Guitars Ltd | Manufacturing | 2025 |
| Lotus Accountancy Services Limited | Professional & scientific | 2015 |
| Lotus Brook Limited | Other services | 2012 |
| Love Lashes and Brows Liverpool Ltd | Other services | 2019 |
| Lovelight Promotions Ltd | Arts & recreation | 2025 |
| Loyal Repair Limited | Manufacturing | 2023 |
| LPD - Design Engineering Ltd | Professional & scientific | 2023 |
| Lrjp Consultancy Services Ltd | Professional & scientific | 2020 |
| Lrtd Limited | Professional & scientific | 2022 |
| Lspb Holdings Limited | Financial services | 2026 |
| Lu&Ro Ltd | Wholesale & retail | 2013 |
| Lucabella Exterior Cleaning Ltd | Administrative & support | 2026 |
| Lucky Private Ltd | Wholesale & retail | 2019 |
| Lucy Lockets Tiney Home Nursery Ltd | Health & social care | 2024 |
| Luke Gerard Kenny Ltd | Other services | 2018 |
| Lukee Electrical Ltd | Construction | 2025 |
| Lukehaus Properties Ltd | Real estate | 2025 |
| Lumen Productions Limited | Wholesale & retail | 2016 |
| Lunt Road 1969 Limited | Extraterritorial | 2014 |
| LUX Builders Limited | Construction | 2019 |
| Luxesmith Jewellery Ltd | Wholesale & retail | 2022 |
| Luxliv Lettings Ltd | Real estate | 2023 |