| Leanne Adamson Aesthetics Limited | Other services | 2022 |
| Leanne Hair and Beauty Limited | Other services | 2017 |
| Leanovatech Ltd | Wholesale & retail | 2019 |
| Leap 76 International Ltd | Professional & scientific | 2018 |
| Leap Dance and Gymnastics Limited | Arts & recreation | 2014 |
| Leaps Investments Ltd | Real estate | 2024 |
| Learn by Design Limited | Education | 2004 |
| Learn Logic Training Ltd | Other services | 2023 |
| Learn OUR Way Limited | Education | 2023 |
| Learn OUT There Limited | Education | 2014 |
| Learn the Look by Ashley Louise Ltd | Education | 2019 |
| Learn to Drive Limited | Education | 2020 |
| Learn With PAM Ltd | Education | 2020 |
| Learner Ready Ltd | Education | 2026 |
| Learnerama Ltd | Education | 2019 |
| Learning Leaders Ltd | Education | 2024 |
| Learning Skills Centre Limited | Education | 2015 |
| Learning Tree Daycare Ltd | Education | 2019 |
| Learning Unleashed Ltd | Administrative & support | 2021 |
| Learning Well Agency | Education | 2015 |
| Learntech Unleashed Ltd | Information & communication | 2025 |
| Learpholl Music Ltd | Arts & recreation | 2025 |
| Lease Services Ltd | Real estate | 2018 |
| Lease Options Mastery Academy Ltd | Education | 2024 |
| Lease Options Mastery UK Ltd | Real estate | 2025 |
| Lease to LET Ltd | Real estate | 2026 |
| Leasowe Resin Surfaces Ltd | Construction | 2017 |
| Leatherofy Ltd | Wholesale & retail | 2024 |
| Leatherplace Ltd | Administrative & support | 2016 |
| LEB Limited | Professional & scientific | 2012 |
| Lebon Flavour Ltd | Hospitality | 2020 |
| LEC Beverages Limited | Wholesale & retail | 2024 |
| LEC Industries Limited | Information & communication | 2023 |
| LEC Robotics Limited | Wholesale & retail | 2025 |
| LEC Robots Limited | Wholesale & retail | 2025 |
| Leci Lettings Limited | Real estate | 2025 |
| Leckwith Contracts Ltd | Transport & logistics | 2013 |
| LED Event Hire Ltd | Administrative & support | 2023 |
| LED Hospitality Ltd | Hospitality | 2023 |
| Leda&Theswan Ltd | Administrative & support | 2025 |
| Ledsham Construction Services Limited | Construction | 2008 |
| Ledsham Security Limited | Administrative & support | 1998 |
| Ledson Construction Services Ltd | Construction | 2020 |
| LEE & Co. Assets Management Limited | Health & social care | 2016 |
| LEE 24 Limited | Hospitality | 2026 |
| LEE a Offshore Limited | Construction | 2016 |
| LEE Dando Limited | Construction | 2012 |
| LEE Digital Content Ltd | Other services | 2023 |
| LEE Francis Shopfitters Ltd | Construction | 2020 |
| LEE Gibbons Logistics (NW) Ltd | Transport & logistics | 2020 |
| LEE Housing Management Ltd | Information & communication | 2026 |
| LEE John Limited | Professional & scientific | 2022 |
| LEE Park Catering Ltd | Hospitality | 2017 |
| LEE Park Golf Academy Ltd | Education | 2017 |
| LEE PEI YUN Limited | Public administration | 2024 |
| LEE Powell LP | | 2012 |
| LEE S Productions Limited | Information & communication | 2005 |
| LEE Software Services Ltd | Information & communication | 2025 |
| LEE Tech Liverpool Ltd | Wholesale & retail | 2021 |
| LEE Valley Trading Limited | Administrative & support | 2001 |
| LEE Wells Limited | Administrative & support | 2021 |
| Lee&Kwok Limited | Real estate | 2022 |
| Leece Booze Ltd | Wholesale & retail | 2024 |
| Leece OFF Licence Ltd | Wholesale & retail | 2025 |
| Leece Street Hospitality Ltd | Real estate | 2021 |
| Leece Street Limited | Extraterritorial | 2018 |
| Leed Services Ltd | Transport & logistics | 2020 |
| Leedex Construction Limited | Construction | 2010 |
| Leedex Group Limited | Financial services | 2019 |
| Leedex Lettings Limited | Hospitality | 2011 |
| Leedex Properties Ltd | Real estate | 2012 |
| Leedex Solutions Ltd | Construction | 2011 |
| Leegacy Ltd | Hospitality | 2024 |
| Leelen Telecomms Ltd | Construction | 2019 |
| Leemak Property Solutions Ltd | Households | 2025 |
| Leeming Murphy Properties Limited | Manufacturing | 1984 |
| Lees DRY Cleaners Ltd | Administrative & support | 2002 |
| LEF Advisory Ltd | Professional & scientific | 2026 |
| LEF Consultation Services Ltd. | Professional & scientific | 2021 |
| Left Field Football Consulting Limited | Information & communication | 2019 |
| Leftfoot Rightfoot Ltd | Professional & scientific | 2024 |
| Legacie (UK) Holdco Ltd | Administrative & support | 2024 |
| Legacie Baltic Limited | Construction | 2021 |
| Legacie Contracts Limited | Construction | 2015 |
| Legacie Developments Limited | Construction | 2018 |
| Legacie Developments Manchester Limited | Construction | 2025 |
| Legacie Facades Limited | Construction | 2025 |
| Legacie Facades Manufacturing Limited | Construction | 2026 |
| Legacie Fire Protect Limited | Construction | 2026 |
| Legacie Group Limited | Construction | 2019 |
| Legacie Holdings Limited | Real estate | 2017 |
| Legacie Investments Ltd | Financial services | 2021 |
| Legacie JFM Income Limited | Real estate | 2023 |
| Legacie Liverpool 1 Limited | Construction | 2024 |
| Legacie Liverpool 2 Limited | Construction | 2024 |
| Legacie Liverpool 3 Limited | Construction | 2024 |
| Legacie Management & Lettings Limited | Real estate | 2017 |
| Legacie MEP Limited | Administrative & support | 2025 |
| Legacie North West Limited | Construction | 2024 |
| Legacie Plant Hire Limited | Administrative & support | 2025 |