| LDC (William Morris II) Limited | Real estate | 2006 |
| LDC Capital Cities Two (GP) Limited | Real estate | 2013 |
| LDC Construction Management Ltd | Construction | 2017 |
| LDC Construction SW Ltd | Construction | 2024 |
| LDLH338 Ltd | Other services | 2026 |
| LDM Building Services Limited | Construction | 2014 |
| LDM Hold Ltd | Financial services | 2021 |
| LDS Mechanical Services Limited | Construction | 2014 |
| LDZ Ltd | Financial services | 2023 |
| LE CAN Ltd | Manufacturing | 2021 |
| LE Ciel Bleu Limited | Education | 2022 |
| LE Creative Ltd | Professional & scientific | 2011 |
| LE Mare Design Limited | Construction | 2006 |
| LE MUY Limited | Construction | 2010 |
| LE Parc Associates Limited | Construction | 2013 |
| LE RMT Ltd | Hospitality | 2024 |
| LE Shark Club Ltd | Other services | 2019 |
| Lead - Lived Experience Advisory Directory C.I.C. | Education | 2023 |
| Lead Gameboard Ltd | Wholesale & retail | 2023 |
| Lead Liaisons Limited | Professional & scientific | 2021 |
| Lead on Limited | Wholesale & retail | 2025 |
| Lead Revive Ltd | Professional & scientific | 2021 |
| Lead Titan Limited | Professional & scientific | 2026 |
| Lead With Tempo Limited | Administrative & support | 2021 |
| Leademe Limited | Education | 2025 |
| Leadership Footprint Limited | Professional & scientific | 2021 |
| Leaderspace Limited | Professional & scientific | 2008 |
| Leadica Ltd | Professional & scientific | 2021 |
| Leading Edge Aviation Services Limited | Manufacturing | 2007 |
| Leading Edge Projects Consulting Ltd | Professional & scientific | 1998 |
| Leading Electrical Design & Installations Ltd | Extraterritorial | 2021 |
| Leading Investments Limited | Hospitality | 1998 |
| Leading Process Innovation Works Limited | Information & communication | 2014 |
| LEADING4CHANGE Ltd | Professional & scientific | 2023 |
| Leadior Mccs Ltd | Extraterritorial | 2021 |
| Leadlatchai Estate Limited | Real estate | 2025 |
| Leadmill Road Student Accommodation, L.P. | | 2006 |
| Leadoo Marketing Technologies Ltd | Information & communication | 2019 |
| Leadretriever Limited | Administrative & support | 2020 |
| Leaf 3 Electrical Services Ltd | Construction | 2025 |
| Leaf Accountancy Services Ltd | Professional & scientific | 2025 |
| Leaf Build Limited | Construction | 2023 |
| Leaf Complex Care Limited | Health & social care | 2018 |
| Leaf Financial Advisers Ltd | Financial services | 2020 |
| Leaf IT to US Limited | Other services | 2025 |
| Leaf Property Development Limited | Real estate | 2023 |
| Leaf Property Ltd | Real estate | 2021 |
| Leaf Recruit Ltd | Administrative & support | 2024 |
| Leaf Star Limited | Real estate | 2023 |
| Leafy Lane Day Nursery Ltd | Health & social care | 2025 |
| Leah Farmer Coaching Ltd | Extraterritorial | 2023 |
| Leakdtech Limited | Professional & scientific | 2018 |
| Leaks & Renewals Water Services Ltd | Construction | 2024 |
| Leama Ltd | Health & social care | 2023 |
| Leamark Property Development Limited | Real estate | 2014 |
| Lean Content Ltd | Professional & scientific | 2018 |
| Lean Management Crafter Ltd | Information & communication | 2019 |
| Leand Ltd | Other services | 2017 |
| Leap Building Services Ltd | Construction | 2025 |
| Leap Interactive Ltd | Information & communication | 2009 |
| Leap Property & Management Ltd | Real estate | 2025 |
| Leap Services Ltd | Professional & scientific | 2019 |
| Leaping Fish Enterprises Limited | Financial services | 2023 |
| Leaping Lambs Nursery Ltd | Education | 2013 |
| Leapside Field Service Solutions Ltd | Information & communication | 2023 |
| Leapsmart International Ltd | Professional & scientific | 2021 |
| Lear Holdings Ltd | Real estate | 2024 |
| Learn From a Legend (2021) Limited | Financial services | 2021 |
| Learn From a Legend (Holdings) Ltd | Financial services | 2014 |
| Learn From a Legend Limited | Arts & recreation | 2011 |
| Learn to Grow Ltd | Administrative & support | 2020 |
| Learn.Ink Ltd | Information & communication | 2015 |
| Learnable Ltd | Education | 2023 |
| Learning Everywhere CIC | Education | 2024 |
| Learning Partnership West CIC | Information & communication | 1994 |
| Learning Science Ltd | Education | 2007 |
| Learning Through Play Ltd | Education | 2007 |
| Learning to Lead Community Interest Company | Education | 2006 |
| Learningplus Limited | Education | 2003 |
| Learnomic Ltd | Information & communication | 2022 |
| Learnphotorun Limited | Professional & scientific | 2019 |
| Lease Secured Limited | Real estate | 2006 |
| Leather Hunt Ltd | Wholesale & retail | 2025 |
| Leave.Eu Group Limited | Other services | 2015 |
| Leavers R US Ltd | Manufacturing | 2017 |
| LEC Carpentry Ltd | Construction | 2016 |
| Lechlade Homes Limited | Construction | 1972 |
| Lecrahurst Limited | Real estate | 1974 |
| Lectdale Limited | Real estate | 1994 |
| LED Light Therapy Ltd | Wholesale & retail | 2024 |
| Led-Storm Lighting Security & Cctv Limited | Administrative & support | 2025 |
| Led-Storm Lighting Solutions Ltd | Manufacturing | 2019 |
| Ledaig MOR Ltd | Professional & scientific | 2020 |
| Ledgers Plus Ltd | Professional & scientific | 2017 |
| LEE Bristol Building Service Ltd | Construction | 2017 |
| LEE Buers Editing Ltd | Information & communication | 2025 |
| LEE Campbell Groundworks Ltd | Construction | 2019 |
| LEE Court (Bristol) Limited | Households | 2007 |
| LEE Cummins Media Ltd | Administrative & support | 2009 |
| LEE Currie Services Limited | Construction | 2016 |