| Laarr Safety Ltd | Administrative & support | 2018 |
| LAB Property Investments Limited | Real estate | 2019 |
| Lacala Ltd | Real estate | 2025 |
| Ladozaro Consultants Ltd | Professional & scientific | 2011 |
| LAE Services Ltd | Professional & scientific | 2012 |
| Lagom Lifestyle Ltd | Construction | 2020 |
| Lailabelle Limited | Administrative & support | 2026 |
| Laing Strategic Solutions Ltd | Professional & scientific | 2025 |
| Laird Assessors Limited | Professional & scientific | 2000 |
| Laird Property Holdings Ltd | Real estate | 2020 |
| Lake Living Limited | Hospitality | 2025 |
| Lake Place Properties Limited | Real estate | 2019 |
| Lakeside Assist Limited | Professional & scientific | 2019 |
| Lakeside Tsbc Limited | Construction | 2012 |
| LAL Bazar Wirral Ltd | Hospitality | 2017 |
| Lalexan Limited | Professional & scientific | 2024 |
| Lalligrass Limited | Wholesale & retail | 2020 |
| Lamorna Limited | Transport & logistics | 2019 |
| Lampadina Medical Limited | Wholesale & retail | 2022 |
| Lampadina Scientific Limited | Professional & scientific | 2023 |
| Lampkin Medical Limited | Health & social care | 2025 |
| Landour Properties Ltd | Real estate | 2024 |
| Landstar Properties Limited | Real estate | 2001 |
| Lanes School of Motoring Ltd | Education | 2006 |
| Lanrow Ltd | Professional & scientific | 2020 |
| Lara Christie Properties Ltd | Real estate | 2024 |
| Laser Group UK Ltd | Other services | 2021 |
| Laserline Data Limited | Professional & scientific | 1994 |
| Lashes & Laser by Gemma Ltd | Other services | 2022 |
| Lateen Asset Management Ltd | Administrative & support | 2017 |
| Laughter Tots Limited | Education | 2015 |
| Laura Emily Hair & Beauty Limited | Other services | 2025 |
| Laura Irving Consultancy Ltd | Professional & scientific | 2022 |
| Lauren Heyes Studios Ltd | Other services | 2022 |
| Laurietime Ltd | Education | 2019 |
| Lavin Jones Ltd | Other services | 2023 |
| Law Engineering Services Ltd | Construction | 2022 |
| Lawnchopper Ltd | Administrative & support | 2025 |
| Lawnwood Consultancy Limited | Professional & scientific | 2023 |
| Lawsreproperties Ltd | Real estate | 2019 |
| Lawton Engineering & Manufacturing Limited | Professional & scientific | 2013 |
| Law’S Landscaping Wirral Ltd | Professional & scientific | 2025 |
| Laydeemucks Ltd | Arts & recreation | 2025 |
| Layne Property Group Ltd | Real estate | 2025 |
| Layouts Limited | Information & communication | 2017 |
| Lazer Craftz Limited | Manufacturing | 2019 |
| Lazy Woodpeckers Limited | Manufacturing | 2019 |
| LB Sparky Ltd | Real estate | 2026 |
| LB Turbine Services Ltd | Construction | 2019 |
| LBC Corporate Finance Limited | Financial services | 2002 |
| LC Controls Engineering Ltd | Professional & scientific | 2023 |
| LCD Property Limited | Real estate | 2021 |
| Lcms Excel Education Ltd | Education | 2022 |
| LCQ Ltd | Professional & scientific | 2020 |
| LCS North West Ltd | Real estate | 2020 |
| LD Care Specialist Ltd | Health & social care | 2025 |
| LDC National Logistics Ltd | Transport & logistics | 2023 |
| LDE Cosmetics Limited | Administrative & support | 2019 |
| LDH Wirral Ltd | Real estate | 2025 |
| LE Breton Restaurant | | 1986 |
| LE Poidevin Services Ltd | Arts & recreation | 2022 |
| LEA Decorators & Building Services Limited | Construction | 2017 |
| LEA Facilities Management Limited | Extraterritorial | 2014 |
| Leabra Construction North West Ltd | Construction | 2023 |
| Lead Property Services Ltd | Real estate | 2021 |
| Leadership Innovators Ltd | Professional & scientific | 2008 |
| Leadwater Ltd | Transport & logistics | 2019 |
| Leaf Logic Limited | Administrative & support | 2025 |
| Lean Support Limited | Professional & scientific | 2010 |
| Leanne Rose Limited | Other services | 2022 |
| Lear Design Limited | Professional & scientific | 2019 |
| Learn Music Ltd | Education | 2005 |
| Learning Nerd Ltd | Education | 2022 |
| Leas Property Limited | Real estate | 2024 |
| Leasow Hair Style Wirral Ltd | Other services | 2025 |
| Leasowe Community Allotments CIC | Agriculture & fishing | 2014 |
| Leasowe Local Store Ltd | Wholesale & retail | 2025 |
| Leca Limited | Professional & scientific | 2011 |
| Lecytricks Ltd | Manufacturing | 2025 |
| LEE 23 Limited | Real estate | 2023 |
| LEE Legacy Limited | Real estate | 2018 |
| LEE Murphy Holdings Ltd | Professional & scientific | 2013 |
| LEE Wealth Management Limited | Financial services | 2012 |
| LEE Wood N.D.T. Ltd | Professional & scientific | 2013 |
| Leeharding.Co.Uk Limited | Arts & recreation | 2006 |
| Leemat Ltd | Wholesale & retail | 2024 |
| Leesa Holdings Limited | Financial services | 2022 |
| Legacy Property Wealth Ltd | Construction | 2026 |
| Legal FEE Solutions Ltd | Arts & recreation | 2011 |
| Legal RSS Limited | Manufacturing | 2019 |
| Legend Turkish Barber Wirral Ltd | Other services | 2023 |
| Legendary Locals Limited | Hospitality | 2019 |
| Lehb Online Limited | Other services | 2026 |
| Leigh Smith Care Ltd | Health & social care | 2022 |
| Leighton Cars Limited | Wholesale & retail | 2019 |
| Leilaprop Ltd | Real estate | 2020 |
| Leisure Publishing Limited | | 1987 |
| Leisurelifestyle Ltd | Wholesale & retail | 2025 |
| LEJ Aesthetic Ltd | Other services | 2025 |
| Lemon Estates Limited | Real estate | 2024 |