| Littlewood Landscaping Ltd | Construction | 2017 |
| Litton Shoot Ltd | Agriculture & fishing | 2018 |
| Liubov Diukina Ltd | Administrative & support | 2026 |
| LIV GUD Properties Ltd | Information & communication | 2017 |
| LIV N' Lift Ltd | Arts & recreation | 2023 |
| LIV Systems Limited | Information & communication | 2007 |
| Livanest Homes Ltd | Real estate | 2025 |
| Live Chat Worldwide Limited | Other services | 2019 |
| Live Electrics (SW) Limited | Construction | 2013 |
| Live Event Services Limited | Information & communication | 2019 |
| Live Layout Limited | Professional & scientific | 2026 |
| Live Life Holidays Ltd | Extraterritorial | 2014 |
| Live Life Ltd | Financial services | 2023 |
| Live Line Electrical Contractors Ltd | Construction | 2020 |
| Live Line Electrical Safety Ltd | Construction | 2024 |
| Live Local Property Limited | Real estate | 2016 |
| Live Long Fitness Ltd | Arts & recreation | 2021 |
| Live Well Property & Investment Ltd | Real estate | 2025 |
| Livebigger Limited | Education | 2025 |
| Livelifelovely Ltd | Extraterritorial | 2021 |
| Livelita Ltd | Real estate | 2017 |
| Lively Arts Ltd | Professional & scientific | 2004 |
| Livermore's (Swansea) Limited | Professional & scientific | 1976 |
| Liverpool Lighterage Company Limited | Professional & scientific | 1896 |
| Liverpool Road Ltd | Financial services | 2016 |
| Liverpool Schools Investment Company Limited | Administrative & support | 2001 |
| Liverpool Schools Services Limited | Real estate | 2001 |
| Livestrong Building Limited | Construction | 2023 |
| Livgreen Futures Holdings Ltd | Financial services | 2022 |
| Livgreen Futures Limited | Construction | 2022 |
| Living Design Labs Ltd | Professional & scientific | 2023 |
| Living in Comfort Care Homes Ltd | Health & social care | 2014 |
| Living in the Future Ltd | Arts & recreation | 2026 |
| Living Learning English Limited | Education | 2007 |
| Living MAP Assets Limited | Financial services | 2013 |
| Living MAP Limited | Information & communication | 2010 |
| Living Seed Group Ltd | Other services | 2026 |
| Livingiseasy Ltd | Information & communication | 2025 |
| Livingtolet Ltd | Financial services | 2021 |
| Livingwell Landscapes Limited | Administrative & support | 2017 |
| Livityhuru Limited | Health & social care | 2020 |
| Livmd UK Ltd | Health & social care | 2015 |
| Liya and Freya Ltd | Wholesale & retail | 2025 |
| Liyas Food Ltd | Hospitality | 2026 |
| LIZ Jones Goddess Limited | Arts & recreation | 2015 |
| Liz's Logs Ltd | Wholesale & retail | 2019 |
| Liza Properties Limited | Real estate | 2016 |
| Lizco Ltd | Water & waste | 2011 |
| Lizzie Simmonds Ltd | Administrative & support | 2018 |
| LJ Bathrooms and Plumbing Ltd | Construction | 2022 |
| LJ Bruno Construction Ltd | Construction | 2026 |
| LJ Carpentry & Construction Ltd | Manufacturing | 2024 |
| LJ Properties Limited | Construction | 1998 |
| LJ Pubs Limited | Hospitality | 2024 |
| LJ Waste Services Limited | Water & waste | 2026 |
| LJB Bricklaying Limited | Construction | 2017 |
| Ljbb Group Ltd | Wholesale & retail | 2024 |
| LJC Consulting Limited | Professional & scientific | 2022 |
| LJC Design and Build Limited | Construction | 2024 |
| LJC Financial Solutions Ltd | Professional & scientific | 2025 |
| LJM Commercial Limited | Construction | 2014 |
| LJM Commercial Properties Limited | Real estate | 2026 |
| LJM Engineering Solutions Limited | Other services | 2019 |
| LJM Wholesale Ltd | Wholesale & retail | 2022 |
| Ljmk Properties Limited | Real estate | 2025 |
| LJP Solutions Ltd | Information & communication | 2018 |
| Ljpursall Consulting Ltd | Professional & scientific | 2025 |
| LJR Environmental Limited | Professional & scientific | 2024 |
| LJS Physiotherapy Ltd | Health & social care | 2023 |
| LJT Autos Ltd | Wholesale & retail | 2024 |
| LJT Global Consultancy Ltd | Professional & scientific | 2023 |
| LJT Global Holdings Ltd | Real estate | 2021 |
| LJW Cars Ltd | Wholesale & retail | 2019 |
| LK Beauty Ltd | Wholesale & retail | 2025 |
| LK Network Ltd | Wholesale & retail | 2018 |
| LK Services (Suffolk) Limited | Administrative & support | 2021 |
| LKA Associates Limited | Professional & scientific | 2005 |
| Lkbt Limited | Real estate | 2022 |
| LKL Trans Limited | Transport & logistics | 2017 |
| LKR Investments Limited | Real estate | 2015 |
| LKS ERD Property Limited | Real estate | 2018 |
| LKT Legend Property Services Limited | Real estate | 2020 |
| LL Car Maintenance Ltd | Wholesale & retail | 2018 |
| LL Dass Properties Limited | Transport & logistics | 2024 |
| LL Midco 2 Limited | Construction | 2014 |
| LLA Property Investments Limited | Real estate | 2017 |
| Llama Agency Ltd | Professional & scientific | 2023 |
| Llama BIO Ltd | Professional & scientific | 2025 |
| Llanaj Property Renovations Ltd | Professional & scientific | 2021 |
| Llandoger Trow PUB Ltd | Hospitality | 2020 |
| LLE Couriers Ltd | Transport & logistics | 2023 |
| Lleida LP | | 2011 |
| Llewellins Machine Company Limited | Manufacturing | 1927 |
| LLG Holdings Ltd | Financial services | 2022 |
| Lloman Investments Limited | Professional & scientific | 2026 |
| Lloyd Family Mortgages Ltd | Financial services | 2023 |
| Lloyd Peacey Design & Build Limited | Construction | 2006 |
| Lloyd Property Services (Bristol) Limited | Construction | 2004 |
| Lloyd Williams Search and Select Limited | Real estate | 2018 |
| Lloydbottoms Company Secretarial Limited | Professional & scientific | 2003 |