| Lipstick Lounge 2018 Ltd | Other services | 2017 |
| Liquidation Experts Limited | Other services | 2026 |
| Lisa at Lotties Ltd | Hospitality | 2019 |
| Lisa Clarke the Beauty Box Ltd | Other services | 2026 |
| Lisa Mustafa Limited | Arts & recreation | 2018 |
| Lisa Star Nails & Beauty DC Limited | Other services | 2019 |
| Lisbon Street (Leeds) 2 Limited | Construction | 2024 |
| Lisbon Street (Leeds) Holding Limited | Financial services | 2024 |
| Lisbon Street (Leeds) Limited | Construction | 2024 |
| Lisbon Street Developments Limited | Construction | 2020 |
| Lister Property Holdings Limited | Real estate | 2016 |
| Litmus Furniture Limited | Wholesale & retail | 2005 |
| Little Acorns (North East) Limited | Education | 2003 |
| Little Angels Ltd | Education | 2022 |
| Little Catterton Estates Limited | Real estate | 2023 |
| Little Classic Ltd | Wholesale & retail | 2023 |
| Little Corkers Limited | Administrative & support | 2003 |
| Little Darlings Boutique Ltd | Wholesale & retail | 2025 |
| Little Dipper Productions Ltd | Administrative & support | 2024 |
| Little Einsteins Day Nursery Ltd | Education | 2006 |
| Little Ember Early Years Ltd | Health & social care | 2025 |
| Little F Consultancy Ltd | Information & communication | 2022 |
| Little Fish Accountants Limited | Professional & scientific | 2013 |
| Little Lens Club Ltd | Professional & scientific | 2026 |
| Little More View Limited | Financial services | 2013 |
| Little Oaks Day Nursery and Childcare Limited | Health & social care | 2011 |
| Little Rascals (Doncaster) Limited | Education | 2003 |
| Little Rascals Holdings Ltd | Financial services | 2020 |
| Little Ridge Services Limited | Information & communication | 2021 |
| Little Suzies Custom Designs Limited | Professional & scientific | 2019 |
| Little Terras Ltd | Wholesale & retail | 2023 |
| Littlemy K9 Ltd | Administrative & support | 2026 |
| Litzor Product Development Limited | Professional & scientific | 2023 |
| Livana Holdings Ltd | Construction | 2026 |
| Live Inclusive | Administrative & support | 1995 |
| Live Life More Italian Limited | Hospitality | 2021 |
| Live Life Ventures Limited | Wholesale & retail | 2017 |
| Livestock EYE Ltd | Wholesale & retail | 2020 |
| Livin Legendz Records Limited | Wholesale & retail | 2017 |
| Livin Legendz Touring Limited | Arts & recreation | 2018 |
| Livin Property Consultants Limited | Professional & scientific | 2018 |
| Livin Residential Lettings Ltd | Real estate | 2011 |
| Living Behind a Mask CIC | Health & social care | 2023 |
| Living Waters Social Care Limited | Health & social care | 2014 |
| Livo Shop TK Limited | Wholesale & retail | 2025 |
| Liya Store Ltd | Wholesale & retail | 2024 |
| LIZ Utting Associates Limited | Administrative & support | 2008 |
| Lizra. a Services Ltd | Real estate | 2022 |
| Lizra.A Limited | Health & social care | 2020 |
| Lizra.Romaria Properties Limited | Real estate | 2023 |
| LJ Admissions Ltd | Administrative & support | 2023 |
| LJ Advisory Limited | Information & communication | 2022 |
| LJ Car Repairs Ltd | Wholesale & retail | 2017 |
| LJ Carpet and Upholstery Cleaning Ltd | Wholesale & retail | 2024 |
| LJ Chauffeur Ltd | Transport & logistics | 2022 |
| LJ Professional Transport Ltd | Transport & logistics | 2014 |
| LJ Property Sales and Rental Limited | Real estate | 2016 |
| Lj's Boutique Ltd | Wholesale & retail | 2021 |
| LJA Solutions Ltd | Construction | 2022 |
| Ljar Aggregates Limited | Mining & quarrying | 2022 |
| LJB Rail Solutions Ltd | Transport & logistics | 2017 |
| LJB Wholesale Ltd | Wholesale & retail | 2024 |
| LJF Traffic Ltd | Construction | 2020 |
| Ljjt Ltd | Hospitality | 2024 |
| Ljmc Ltd | Professional & scientific | 2018 |
| LJP Remapping Dyno-Tuning Centre Ltd | Wholesale & retail | 2023 |
| LJS Homecare Ltd | Health & social care | 2025 |
| LJT Procurement Limited | Administrative & support | 2023 |
| LJW313 Ltd | Wholesale & retail | 2024 |
| LKM Equine Services Limited | Transport & logistics | 2026 |
| Lkmusic Limited | Wholesale & retail | 2020 |
| LKO Development Consultants Limited | Professional & scientific | 2013 |
| LKP Estates Ltd | Real estate | 2026 |
| LKW Services Limited | Water & waste | 2020 |
| LLD Kitchens Limited | Manufacturing | 2026 |
| Lloyd Cooper Limited | Real estate | 2024 |
| Lloyd Laurence Performance Ltd | Wholesale & retail | 2019 |
| LLR Estate Limited | Real estate | 2020 |
| Lluxeline Ltd | Wholesale & retail | 2022 |
| Llvf Limited | Wholesale & retail | 2019 |
| LM Pyott Property Ltd | Financial services | 2025 |
| LM Resource Ltd | Construction | 2022 |
| LM Utilities N Ltd | Construction | 2025 |
| Lmak Investments Ltd | Real estate | 2024 |
| Lmak Limited | Wholesale & retail | 2011 |
| LMB TM Ltd | Public administration | 2022 |
| Lmbk Property Ltd | Real estate | 2023 |
| LME Life Made Easy Ltd | Wholesale & retail | 2025 |
| LMG Transport Ltd | Transport & logistics | 2017 |
| LMI Technology Limited | Professional & scientific | 2021 |
| LMS Civils Ltd | Construction | 2026 |
| LMS Roofing Ltd | Construction | 2019 |
| Lmseven Ltd | Construction | 2025 |
| Lmsolars Ltd | Construction | 2026 |
| LMT Delivery Ltd | Transport & logistics | 2023 |
| LND Transport Ltd | Transport & logistics | 2025 |
| LNE Logistics Ltd | Transport & logistics | 2023 |
| LNR Ltd | Wholesale & retail | 2024 |
| LO Property 1 Ltd | Real estate | 2022 |
| LOA Crystal Services Limited | Health & social care | 2019 |