| Ladla Babu Ltd | Extraterritorial | 2013 |
| Ladva Enterprise Limited | Real estate | 2018 |
| Ladva Family Limited | Real estate | 2024 |
| Ladva International Construction Ltd | Construction | 2023 |
| Lady ANT Ltd | Professional & scientific | 2019 |
| Laghmani Investments Ltd | Real estate | 2023 |
| Lagos High Street Ltd | Wholesale & retail | 2018 |
| Laiza Enterprises Limited | Hospitality | 2019 |
| Lakeside MG Ltd | Professional & scientific | 2019 |
| Lakshmi House Limited | Hospitality | 2025 |
| Lakshmi Surekha Limited | Health & social care | 2022 |
| Lakshmi's Kitchen Ltd | Hospitality | 2025 |
| Lala London Limited | Wholesale & retail | 2024 |
| Laleham Road Limited | Real estate | 2012 |
| Lalo 123 Ltd | Real estate | 2025 |
| Lamina Advisers Ltd | Professional & scientific | 2025 |
| Lampton Connect Limited | Health & social care | 2019 |
| Lampton Development 360 LLP | | 2017 |
| Lampton Investment 360 Limited | Real estate | 2016 |
| Lampton Park Preschool Limited | Education | 2018 |
| Lampton Road Developments Limited | Real estate | 2025 |
| Lampton School Academy Trust | Education | 2010 |
| Lampton Services Ltd | Health & social care | 2019 |
| Lamptons Law Solicitors Ltd | Professional & scientific | 2015 |
| Lancaster Place Residents Association Limited | Real estate | 1995 |
| Land Doctors Ltd | Real estate | 2021 |
| Landjet Trans Ltd | Transport & logistics | 2024 |
| Landlordwise Limited | Professional & scientific | 2021 |
| Landmark Facilities Services Ltd | Administrative & support | 2019 |
| Landmark Lettings Limited | Real estate | 2009 |
| Landmark Property Sales Limited | Real estate | 2021 |
| Landzone Ltd | Real estate | 2020 |
| Lanesra Transport Services Ltd | Transport & logistics | 2022 |
| Langford Interiors Ltd | Wholesale & retail | 2008 |
| Languaza Limited | Other services | 2021 |
| Lankapath Ltd | Information & communication | 2025 |
| Laptop & Mobile Repairs Limited | Wholesale & retail | 2023 |
| Laptop House Tech Ltd | Wholesale & retail | 2023 |
| Larachecity Ltd | Wholesale & retail | 2026 |
| Larene Ltd | Construction | 2025 |
| Laroza Ltd | Information & communication | 2017 |
| Larwin Estates Ltd | Real estate | 2018 |
| Larwin Services Ltd | Water & waste | 2025 |
| Lasckos Ltd | Construction | 2024 |
| Lasckos-Estate Ltd | Real estate | 2025 |
| Laser & YOU Ltd | Other services | 2020 |
| Laser Health Practice Ltd | Other services | 2023 |
| Lashedbytee Ltd | Other services | 2024 |
| Laskey Property Ltd | Real estate | 2025 |
| Lassani Services Ltd | Other services | 2017 |
| Last Mile Freight Ltd | Transport & logistics | 2024 |
| Last Minute Healthcare Ltd. | Administrative & support | 2013 |
| Last Minute Training Ltd | Administrative & support | 2023 |
| Laszlo Property Services Ltd | Construction | 2026 |
| Lataska Home Ltd | Wholesale & retail | 2024 |
| Latest Beauty and Tattoss Limited | Other services | 2025 |
| Latin American Project Limited | Hospitality | 2024 |
| Laureta's Medical Services Limited | Health & social care | 2012 |
| Lavanya Surukonti UK Limited | Information & communication | 2026 |
| Lavenders & Daisies Care Trust | Professional & scientific | 2024 |
| Lavish Cart Ltd | Wholesale & retail | 2025 |
| Lavish Hair & Beauty Spa Ltd | Other services | 2019 |
| Lavishcherry Ltd | Wholesale & retail | 2025 |
| Lavita Global Ltd | Arts & recreation | 2025 |
| Lawal Ventures Limited | Transport & logistics | 2025 |
| Lawfare Solicitors Ltd | Professional & scientific | 2019 |
| Lawise Solicitors Ltd | Professional & scientific | 2017 |
| Lay&Pay Ltd | Manufacturing | 2023 |
| Layton House Residents Association Limited | Real estate | 2010 |
| Lazizi Healthcare Ltd | Real estate | 2020 |
| LB Car Essentials LLP | | 2025 |
| LB Fitted Wardrobes Limited | Manufacturing | 2020 |
| LBC Concierge Limited | Transport & logistics | 2022 |
| LBK Property Ltd | Real estate | 2024 |
| LBL Services Ltd | Information & communication | 2025 |
| LC 300 Ltd | Transport & logistics | 2015 |
| LC Carpentry Group Ltd | Manufacturing | 2021 |
| LCT Ambulance Ltd | Transport & logistics | 2014 |
| LD Shoes Ltd | Wholesale & retail | 2024 |
| LDN Building Services Limited | Professional & scientific | 2016 |
| LDS Group Holdings Limited | Construction | 2026 |
| LEA & DI Services Ltd | Water & waste | 2014 |
| LEA Realty Limited | Real estate | 2026 |
| Lead Packaging UK Limited | Administrative & support | 2023 |
| Leadlock Ltd | Administrative & support | 2025 |
| Leadsworldtraderuk Ltd | Wholesale & retail | 2020 |
| Leaf Housing & Care Limited | Real estate | 2025 |
| Leafy VEG Limited | Wholesale & retail | 2025 |
| LEAP360 Ltd | Information & communication | 2022 |
| Learnative Online Ltd | Education | 2023 |
| Learning Connect Construction Ltd | Public administration | 2022 |
| Learning Steps Tuition Ltd | Education | 2021 |
| Leatherjacketmerchant Ltd | Wholesale & retail | 2022 |
| Lebandines UK Ltd | Hospitality | 2023 |
| Leconte Corporate Services Limited | Financial services | 2025 |
| Leda Interiors Limited | Construction | 2018 |
| Leena BRO Properties Limited | Real estate | 2024 |
| Leena Bros Limited | Wholesale & retail | 2013 |
| Leena Developments Ltd | Real estate | 2020 |
| Lefa Business Ltd | Hospitality | 2025 |