| Lawmedics Ltd | Professional & scientific | 2019 |
| Lawn Master UK Holdings Ltd | Administrative & support | 2016 |
| Lawnmaster Limited | Administrative & support | 2021 |
| Lawrence Dean Limited | Construction | 2010 |
| Lawrence Health GM Ltd | Health & social care | 2023 |
| Lawrence Hemingway Limited | Extraterritorial | 2024 |
| Layaali Ltd | Wholesale & retail | 2025 |
| Layola Care Ltd | Health & social care | 2021 |
| Lazaiqa Limited | Hospitality | 2023 |
| Lazeeza Catering Ltd | Hospitality | 2021 |
| Lazen Food Ltd | Wholesale & retail | 2024 |
| LBW Body Services Ltd | Manufacturing | 2019 |
| LC Radiology Reporting Ltd | Health & social care | 2023 |
| LCC Scaffolding Ltd | Construction | 2021 |
| Lccs Properties Ltd | Real estate | 2024 |
| LCH Housing Limited | Households | 2023 |
| Lctlg Ltd | Other services | 2025 |
| LDS Supplies Limited | Wholesale & retail | 2012 |
| LE Chic Limited | Other services | 2023 |
| Leaap Solutions Limited | Construction | 2022 |
| Leach & Clegg Limited | Manufacturing | 2003 |
| Lead GEN Warehouse Ltd | Information & communication | 2025 |
| Leads on TAP Ltd | Professional & scientific | 2025 |
| Lean Training Education Academy Ltd | Education | 2021 |
| Leanne Eastwood Ltd | Other services | 2026 |
| Learn EZ Limited | Information & communication | 2017 |
| Learning Cubs Rochdale Limited | Education | 2024 |
| Learning Edge Consultants Ltd | Administrative & support | 2024 |
| Lebanese Group Manchester CIC | Administrative & support | 2022 |
| LEE Roofing (NW) Ltd | Construction | 2015 |
| LEE Spring Limited | Manufacturing | 1978 |
| Leemo (Partitions) Limited | Extraterritorial | 1964 |
| Left Hand Design Limited | Professional & scientific | 2006 |
| Legacy Ventures Investment Group Ltd | Real estate | 2026 |
| Legal Labs Limited | Professional & scientific | 2019 |
| Legend Barbers PVT Ltd | Other services | 2026 |
| Leigh Miller Limited | Extraterritorial | 2024 |
| Leigh O'Reilly Installations Ltd | Construction | 2018 |
| Leisure Time Motorhomes Ltd | Other services | 2019 |
| Lele Logistics Ltd | Transport & logistics | 2023 |
| Lemon Pods Ltd | Real estate | 2025 |
| Lemon Spaces Ltd | Real estate | 2025 |
| Lemonchello Limited | Other services | 2017 |
| Lemonde Properties Limited | Hospitality | 2007 |
| Lemondropsuk Ltd | Wholesale & retail | 2024 |
| Lemonpebble Design Limited | Professional & scientific | 2013 |
| LEN Richards & Associates Limited | Professional & scientific | 2023 |
| LEO Developments (NW) Ltd | Construction | 2024 |
| Leon & Leather Limited | Wholesale & retail | 2025 |
| Leon Global Services Ltd | Wholesale & retail | 2019 |
| Leos Takeaway Limited | Hospitality | 2023 |
| Leptis Living Limited | Households | 2025 |
| Let's Go International Ltd | Other services | 2018 |
| Lets Buy Cars Ltd | Wholesale & retail | 2025 |
| Level Worktops Limited | Wholesale & retail | 2017 |
| Levie Shekede Makoni Ltd | Transport & logistics | 2020 |
| Lewistech Limited | Professional & scientific | 2012 |
| LEX Children Clothing Ltd | Other services | 2017 |
| LEX Motor Ltd | Other services | 2019 |
| Lexbuilding Ltd | Construction | 2021 |
| LG Gifts Wholesale Ltd | Wholesale & retail | 2017 |
| LGS Investments NW Ltd | Hospitality | 2024 |
| Lianne’S Groom Room Limited | Other services | 2021 |
| Liberty Brook Ltd | Real estate | 2025 |
| Libra Lion Limited | Wholesale & retail | 2025 |
| Libra Socials Ltd | Professional & scientific | 2023 |
| Life's Echo Ltd | Information & communication | 2024 |
| Life-Skills Training Ltd | Education | 2024 |
| Lifestyle Comfort Ltd | Wholesale & retail | 2020 |
| Lifestyle Decor Ltd | Wholesale & retail | 2021 |
| LIG Transport Ltd | Transport & logistics | 2019 |
| Lige Consulting Ltd | Transport & logistics | 2019 |
| Lightbulb Emdr Limited | Education | 2018 |
| Lightbulb Psychology Limited | Education | 2011 |
| Lignum Viride Capital Limited | Financial services | 2022 |
| Ligusa Limited | Professional & scientific | 2012 |
| Lillygate Trading Limited | Hospitality | 2017 |
| Lily's Gifts Ltd | Wholesale & retail | 2023 |
| Limer Driving Academy Limited | Arts & recreation | 2014 |
| Limited Advisors Ltd | Real estate | 2021 |
| Limited Gifts Ltd | Wholesale & retail | 2025 |
| Limitless Automotive Solutions Ltd | Wholesale & retail | 2025 |
| Linden Paper & Board Ltd. | Manufacturing | 1996 |
| Line Level Audio Ltd | Information & communication | 2014 |
| Linea (NW) Ltd | Construction | 2018 |
| Linen Empire Ltd | Wholesale & retail | 2018 |
| Linens Wise Ltd | Wholesale & retail | 2026 |
| Linglingg Limited | Wholesale & retail | 2025 |
| Linguist Empire Limited | Professional & scientific | 2017 |
| Link Fire and Security Ltd | Administrative & support | 2024 |
| Link Investments (NW) Ltd | Construction | 2022 |
| Link Plant Services Ltd | Administrative & support | 2019 |
| Link Property Services NW Ltd | Construction | 2022 |
| Link Trader Northwest Ltd | Wholesale & retail | 2026 |
| Linkmart Rochdale Ltd | Wholesale & retail | 2026 |
| Linkup MCR Ltd | Water & waste | 2023 |
| Linman Solutions Ltd | Professional & scientific | 2017 |
| Linnell Property Limited (N/W) Limited | Real estate | 2025 |
| Linora Linens Ltd | Wholesale & retail | 2026 |
| LIP Properties Limited | Real estate | 2023 |