| Liberty Online Marketing Limited | Information & communication | 2012 |
| Liberty SPV Ltd | Real estate | 2025 |
| Libs Signature Estates Ltd | Real estate | 2022 |
| LIC (WY) Limited | Real estate | 2015 |
| Licenced Venue Security Limited | Administrative & support | 2023 |
| Licensed Tyre Disposals Limited | Water & waste | 2008 |
| Lichfield Mount 1963 Limited | Extraterritorial | 2014 |
| Lick Dairy Free Ltd | Manufacturing | 2020 |
| Lidget Green Community Hub Ltd | Health & social care | 2024 |
| Lidget Green Motors Limited | Wholesale & retail | 2017 |
| Lidget Green Trading Limited | Manufacturing | 2020 |
| Lidget LLP | | 2008 |
| Liege Cafe & Desserts Ltd | Hospitality | 2026 |
| Liege Waffles Ltd | Hospitality | 2023 |
| Lifana Ltd | Construction | 2025 |
| Life and Relationship Ltd | Other services | 2019 |
| Life Church Ministries | Other services | 2019 |
| Life Education (Bradford) Limited | Education | 1990 |
| Life Improvement Consults C.I.C. | Health & social care | 2020 |
| Life Style Furniture(Uk) Limited | Wholesale & retail | 2010 |
| Life-Changing Homes Ltd | Health & social care | 2025 |
| Lifeboat Fisheries (Withernsea) Limited | Hospitality | 2017 |
| Lifeboat Healthcare Limited | Health & social care | 2025 |
| Lifebridge Group Holdings Ltd | Hospitality | 2023 |
| Lifebridge Group Ltd | Hospitality | 2023 |
| Lifestone Ltd | Wholesale & retail | 2023 |
| Lift ME UP Medical Aesthetics Ltd | Health & social care | 2025 |
| Liftsafe Training Ltd | Transport & logistics | 2024 |
| Ligahbcosmetics Ltd | Manufacturing | 2025 |
| Light & Shade UK Ltd | Manufacturing | 2009 |
| Light & Sons GAS Services Limited | Construction | 2022 |
| Light of the World Community Centre Limited | Arts & recreation | 2008 |
| Lightbulbs Direct Limited | Wholesale & retail | 2003 |
| Lighting Unique Ltd | Extraterritorial | 2020 |
| Lights OUT Boxing Club CIC | Education | 2025 |
| Likya Health Club Ltd | Professional & scientific | 2026 |
| Lila Properties & Investments Ltd | Real estate | 2022 |
| Lilies Home Care Ltd | Health & social care | 2017 |
| Lill Brothers Fish Merchants (EST.1855) Ltd | Wholesale & retail | 2011 |
| Lilton Brick Ltd | Construction | 2021 |
| Lily's Designz Limited | Construction | 2022 |
| Lima's Hair & Beauty Essentials Ltd | Wholesale & retail | 2026 |
| Limboll Ltd | Wholesale & retail | 2018 |
| Lime Building & Renovations Ltd | Construction | 2022 |
| Lime Green Builders Ltd | Construction | 2023 |
| Lime Recruitment Ltd | Construction | 2006 |
| Limelight (WY) Limited | Transport & logistics | 2023 |
| Limitless Properties O Ltd | Real estate | 2024 |
| Limitless Property Investments Ltd | Real estate | 2025 |
| Limo and Supercar Hire Limited | Administrative & support | 2013 |
| Lina's Property and Enterprise Ltd | Real estate | 2023 |
| Linccare Services Ltd | Health & social care | 2020 |
| Lincoln Hall Productions Limited | Extraterritorial | 1960 |
| Lindum Limited | Other services | 2006 |
| Line UP Barbers Ltd | Other services | 2026 |
| Linemac Ltd | Wholesale & retail | 2017 |
| Lingolink Translations Ltd | Professional & scientific | 2022 |
| Lingsted Limited | Wholesale & retail | 2021 |
| Link AP Academy Limited | Education | 2025 |
| Link Services Lancashire Limited | Financial services | 2021 |
| Link Shop Fitout & Builders Ltd | Construction | 2023 |
| Link Wholesale Limited | Administrative & support | 2014 |
| Linkhire Ltd | Other services | 2026 |
| Linkroute Logistics Ltd | Transport & logistics | 2025 |
| Linkup Communications (Bradford) Limited | Information & communication | 2008 |
| Linlot Lettings Ltd | Real estate | 2023 |
| Linolux Furniture Limited | Wholesale & retail | 2022 |
| Lintona 2 Ltd | Real estate | 2018 |
| Linxus Media Ltd | Professional & scientific | 2021 |
| Lion Car Sales Ltd | Wholesale & retail | 2025 |
| Lion Electrical and Security Ltd | Construction | 2023 |
| Lion Freight Limited | Transport & logistics | 2021 |
| Liondas Sportswear Limited | Manufacturing | 2019 |
| Lions Boxing Organization Lions Lionesses World CUP & Football World CUP + Pakistans 1KO Championship Boxing Nigerias Lions Supreme Boxing Championship Limited | Arts & recreation | 2014 |
| Lions Lionesses Football World CUP Limited | Arts & recreation | 2019 |
| Lions Management Group Limited | Professional & scientific | 2024 |
| Lions Music World CUP Limited | Information & communication | 2019 |
| Lipo Freeze (Bradford) Ltd | Health & social care | 2016 |
| Lippersley Consulting Ltd | Professional & scientific | 2026 |
| Liptrot Commercial Properties Limited | Real estate | 2016 |
| Liptrot Developments Ltd | Real estate | 2010 |
| Lisbon and Howden Ltd | Administrative & support | 2021 |
| Liss Care Solutions Limited | Administrative & support | 2021 |
| Lister Cushion Fillers Ltd | Manufacturing | 2019 |
| Lister Fisheries Ltd | Hospitality | 2021 |
| Lister Management Ltd | Real estate | 2023 |
| Lister Mills Management Company Ltd | Households | 2023 |
| Lister Phones Ltd | Wholesale & retail | 2019 |
| Lister Store Ltd | Wholesale & retail | 2025 |
| Lister Yarns Ltd. | Manufacturing | 1920 |
| Listerhill Properties Limited | Real estate | 2006 |
| Listerhill Wine Rack Ltd | Wholesale & retail | 2022 |
| Listerhills Desserts Ltd | Wholesale & retail | 2026 |
| Listerhills Holdings Ltd | Financial services | 2025 |
| Listerhills Salvage Limited | Wholesale & retail | 2015 |
| Lita’Arafu Ltd | Education | 2026 |
| Lite Room Design Limited | Professional & scientific | 2009 |
| Liteville Engineering Company Ltd | Construction | 2025 |
| Lithai Ltd | Hospitality | 2024 |
| Litheda Couriers Ltd | Transport & logistics | 2025 |