| LS Renovations Group Ltd | Construction | 2024 |
| LS Wastewater & Process Consulting Ltd | Professional & scientific | 2024 |
| LS Wind Tech Limited | Professional & scientific | 2026 |
| Ls&I Limited | Water & waste | 2024 |
| Ls&W Limited | Real estate | 2019 |
| LS29 Developments Ltd | Real estate | 2023 |
| LS29 Fitness Limited | Arts & recreation | 2025 |
| LS5 Ltd | Arts & recreation | 2026 |
| LSA Cooling Ltd | Construction | 2020 |
| LSA Legal Limited | Other services | 2018 |
| LSA Plumbing and Heating Ltd | Construction | 2017 |
| LSB Admin & Finance Ltd | Administrative & support | 2026 |
| LSB Car Sales Ltd | Wholesale & retail | 2025 |
| LSB Civils Ltd | Construction | 2019 |
| Lsbs Trading Ltd | Hospitality | 2025 |
| LSD OIL & GAS Consultants Ltd | Professional & scientific | 2015 |
| LSE Consultants Limited | Information & communication | 2016 |
| LSF Developments QH Limited | Construction | 2021 |
| LSF Estates Developments Limited | Construction | 2020 |
| LSF Estates Limited | Real estate | 2001 |
| LSG Dance Limited | Arts & recreation | 2025 |
| LSG Liverpool Ltd | Real estate | 2024 |
| LSH ENG Ltd | Administrative & support | 2026 |
| LSH Lettings Holdings Limited | Financial services | 2025 |
| LSH Lettings Limited | Real estate | 2014 |
| LSH Trading Limited | Construction | 2007 |
| LSI Builders Ltd | Construction | 2022 |
| LSI Estates Limited | Real estate | 2022 |
| LSI Talent Ltd | Administrative & support | 2026 |
| LSK Housing Limited | Real estate | 2025 |
| LSM Dental Limited | Health & social care | 2022 |
| LSM Insulations Limited | Extraterritorial | 2008 |
| LSM Multi-Services Limited | Construction | 2003 |
| Lsmcc Limited | Education | 2018 |
| Lsnk.Pl Ltd | Real estate | 2026 |
| LSO Construction Limited | Construction | 2023 |
| LSS Invests Ltd | Financial services | 2019 |
| LSS Takeaway Limited | Hospitality | 2024 |
| Lsse Consulting Limited | Professional & scientific | 2023 |
| LST Investments Limited | Real estate | 2022 |
| Lstm Ventures Limited | Health & social care | 2007 |
| LSW Comms Ltd | Construction | 2019 |
| LT 888 Limited | Hospitality | 2025 |
| LT Fitwell Ltd | Manufacturing | 2024 |
| LT Healthcare Ltd | Health & social care | 2019 |
| LT Hickson Ltd | Households | 2025 |
| LT Print (Holdings) Ltd | Manufacturing | 2019 |
| LT Selection Ltd | Administrative & support | 2021 |
| LT Takeaway (NW) Ltd | Hospitality | 2019 |
| LT Transportation Ltd | Transport & logistics | 2019 |
| LTC Construction Management Consultants Limited | Construction | 2023 |
| LTC Mortgages (NW) Limited | Financial services | 2020 |
| LTC Mortgages Ltd | Financial services | 2017 |
| LTC Real Estate Limited | Real estate | 2023 |
| LTE Power Ltd | Construction | 2025 |
| LTF Management Limited | Health & social care | 2015 |
| LTH Hospitality and Events Management Ltd | Administrative & support | 2026 |
| LTJ Services Limited | Construction | 2018 |
| Ltmw Properties Ltd | Construction | 2023 |
| LTN Limited | Administrative & support | 2016 |
| LTS Academy | Arts & recreation | 2008 |
| LTS GAS Services Limited | Construction | 2013 |
| LTS Group Limited | Financial services | 2014 |
| LTW Dance & Events Ltd | Hospitality | 2018 |
| LTW Dance Ltd | Education | 2024 |
| LU Style Beauty Salon Ltd | Other services | 2023 |
| Luan Group Ltd | Real estate | 2025 |
| Luanem Ltd | Health & social care | 2026 |
| Lubavitch Liverpool | Education | 2007 |
| Lubera Transport Ltd | Transport & logistics | 2019 |
| Lubkowski Saunders and Associates Limited | Manufacturing | 1973 |
| Luby Fantastic Cabs Ltd | Transport & logistics | 2018 |
| Luca Residential & Commercial Ltd | Real estate | 2020 |
| Lucalou Limited | Hospitality | 2024 |
| Lucas & Co Holdings Ltd | Financial services | 2025 |
| Lucas and Co Consultants Ltd | Information & communication | 2023 |
| Lucas Building and Joinery Limited | Construction | 2020 |
| Lucas Electrics Limited | Construction | 2024 |
| Lucas Engineering Services Limited | Professional & scientific | 2021 |
| Luccon Consultancy Services Limited | Professional & scientific | 2017 |
| Luccon Limited | Information & communication | 2014 |
| Lucem Heating & Plumbing Ltd | Construction | 2012 |
| Lucent Curls Ltd | Wholesale & retail | 2021 |
| Lucho Ltd | Manufacturing | 2025 |
| Luciano Fashion Limited | Wholesale & retail | 2017 |
| Lucid Apps Limited | Professional & scientific | 2011 |
| Lucid Co DEV Ltd | Professional & scientific | 2016 |
| Lucid Digital Limited | Professional & scientific | 2011 |
| Lucid Entertainment Group Ltd | Information & communication | 2020 |
| Lucid EX Ltd | Professional & scientific | 2016 |
| Lucid Games Limited | Information & communication | 2011 |
| Lucid Kitchen C.I.C. | Education | 2026 |
| Lucid Play Ltd | Information & communication | 2020 |
| Lucid Publishing Ltd | Information & communication | 2015 |
| Lucid Tech Ltd | Administrative & support | 2017 |
| Lucid Tools Ltd | Information & communication | 2022 |
| Lucidnet Ltd | Information & communication | 2022 |
| Lucie Anderson Tattoo Ltd | Arts & recreation | 2022 |
| Lucifer Adworks Ltd | Information & communication | 2018 |
| Lucile Claire Metais Ltd | Administrative & support | 2023 |