| LA Fugassa Ltd | Hospitality | 2024 |
| LA Global EDU Consultants Private Limited | Education | 2024 |
| LA Petite Lutèce Ltd | Hospitality | 2026 |
| LA Pierre DU ROI & Co Ltd | Wholesale & retail | 2025 |
| Lababidi Legal Ltd | Other services | 2025 |
| Labville Ltd | Professional & scientific | 2010 |
| Laces Trustee Company | Professional & scientific | 1987 |
| Laconia Acquisition SUB Limited | Other services | 2025 |
| Lady Goldsand Ltd | Administrative & support | 2020 |
| Lafer Ltd | Transport & logistics | 2021 |
| Lafro Beauty Limited | Manufacturing | 2020 |
| Lahson Ltd | Construction | 2018 |
| Laid Back Consultancy Limited | Professional & scientific | 2025 |
| Laidlaw Estates (UK) Limited | Real estate | 2012 |
| Laingchild & Co Ltd | Professional & scientific | 2025 |
| Laird Asia Holdings Limited | Professional & scientific | 2009 |
| Laird Limited | Professional & scientific | 1898 |
| Laird Overseas Holdings Limited | Professional & scientific | 2007 |
| Lakes & Coastal Properties Ltd | Hospitality | 2023 |
| Lakes House Limited | Hospitality | 2024 |
| Lakeview Property Limited | Professional & scientific | 2006 |
| Lakevision Limited | Wholesale & retail | 2025 |
| Lakhy Property Limited | Real estate | 2023 |
| Lambertini Limited | Wholesale & retail | 2025 |
| Lampard Land and Property Ltd | Real estate | 2024 |
| Lamzy Ltd | Wholesale & retail | 2023 |
| Lanark Estates Ltd | Other services | 2018 |
| Lancashire & Cumbria Demolition Contractors Limited | Construction | 2012 |
| Lancashire Recruitment Ltd | Administrative & support | 2025 |
| Lancaster Club Ltd | Real estate | 2020 |
| Land Flip Ltd | Real estate | 2022 |
| Landan Limited | Other services | 2012 |
| Landau's Grocery Limited | Wholesale & retail | 2013 |
| Landcraft Construction Limited | Wholesale & retail | 2005 |
| Landfair (2) Ltd | Professional & scientific | 2023 |
| Landhold Ltd | Real estate | 2026 |
| Landman 1 Ltd | Households | 2026 |
| Landmark Estates (UK) Limited | Real estate | 2014 |
| Landmark Property Group Ltd | Real estate | 2012 |
| Landmark Second Avenue Limited | Construction | 2021 |
| Landmark Urmston Limited | Construction | 2021 |
| Landmark Wellington Holdings Ltd | Construction | 2023 |
| Landright Limited | Other services | 2022 |
| Landwestern Ltd | Real estate | 2011 |
| Lane Nominees Limited | Extraterritorial | 2006 |
| Langdale Properties Ltd | Real estate | 2016 |
| Langhunt Limited | Professional & scientific | 2023 |
| Langley Mill Business Park Manchester Ltd | Administrative & support | 2016 |
| Langrange Solutions Ltd | Information & communication | 2022 |
| Langrish Holdings Ltd | Financial services | 2026 |
| Langrish Properties Ltd | Real estate | 2023 |
| Language Cloud Limited | Education | 2024 |
| Langworthy Trading Ltd | Wholesale & retail | 2023 |
| Lani Nalu Ltd | Other services | 2020 |
| Lanscot Developments Limited | Construction | 1988 |
| Lantag Estates Ltd | Real estate | 2009 |
| Lantock Ltd | Extraterritorial | 1998 |
| Lapis Luxurie Limited | Wholesale & retail | 2023 |
| Lappidoth & Co. Ltd | Manufacturing | 2025 |
| Lara’S Place Limited | Health & social care | 2023 |
| Larj Distribution Ltd | Wholesale & retail | 2026 |
| Larkmor Homes Ltd | Construction | 2021 |
| Larkwear Limited | Wholesale & retail | 2025 |
| Larmia Limited | Wholesale & retail | 2025 |
| LAS Developments Ltd | Real estate | 2022 |
| LAS Events Ltd | Arts & recreation | 2025 |
| Lasington Limited | Extraterritorial | 1996 |
| Latefree Ltd | Extraterritorial | 2001 |
| Laugh N Learn Ltd | Arts & recreation | 2019 |
| Laugh the Demolitions Limited | Construction | 2024 |
| Launchgroup Stores Limited | Extraterritorial | 2021 |
| Laur Weaves Beauty and Aesthetics Ltd | Other services | 2025 |
| Laura Baciu Ltd | Health & social care | 2021 |
| Laura Muir Running Limited | Arts & recreation | 2014 |
| Laurel Pet Supplies Limited | Wholesale & retail | 1990 |
| Lavielolaclothing Limited | Wholesale & retail | 2024 |
| Lavish Treasure Limited | Wholesale & retail | 2020 |
| Lawgate Ltd | Real estate | 2004 |
| LAX Stars Limited | Professional & scientific | 2006 |
| Lazy Grazin Ltd | Hospitality | 2025 |
| Lazy Youths Ltd | Manufacturing | 2020 |
| LB Stocks Ltd | Administrative & support | 2026 |
| LBH International Ltd | Information & communication | 2026 |
| Lbks Management Ltd | Real estate | 2019 |
| LBR Estates Limited | Real estate | 2017 |
| Lbroughton Estates Ltd | Real estate | 2023 |
| LC Demolition & Skip Hire Ltd | Construction | 2024 |
| LC Perfect Services Ltd | Construction | 2022 |
| LC Sportswear Ltd | Wholesale & retail | 2018 |
| LCD Letting Ltd | Real estate | 2025 |
| LCD Master (MCR) Limited | Wholesale & retail | 2016 |
| LCD Property Group Ltd | Real estate | 2020 |
| LCS International Ltd | Professional & scientific | 2018 |
| Ldftrades Limited | Professional & scientific | 2025 |
| Ldm.Tv Limited | Information & communication | 2015 |
| LE Cassi's Limited | Wholesale & retail | 2016 |
| Leacroft RD Estates Limited | Extraterritorial | 2019 |
| Lead Contract Furniture Limited | Wholesale & retail | 2022 |
| Leadale Ventures Ltd | Real estate | 2024 |
| Leader Investments Group Ltd | Financial services | 2025 |