| Lagenfeld Limited | Wholesale & retail | 1997 |
| Laghman Properties Limited | Construction | 2026 |
| Lake Farm (Longham) Management Company Limited | Households | 2003 |
| Lakes CNC Servicing Ltd | Manufacturing | 2023 |
| Lakeside Mall Entertainment Centre Limited | Arts & recreation | 2016 |
| Lakeside Properties (Ringwood) Limited | Real estate | 2026 |
| Lakshmi Consulting Ltd | Other services | 2018 |
| Lakshmi Software Ltd | Information & communication | 2018 |
| LAL Home Solutions Ltd | Construction | 2026 |
| Laluna Films Limited | Information & communication | 2010 |
| LAM & SIM Limited | Professional & scientific | 2002 |
| Lamaj Autos Ltd | Wholesale & retail | 2018 |
| Lamar Smile Limited | Health & social care | 2022 |
| Lamgade Enterprise Ltd | Hospitality | 2024 |
| Lamond Consultants Limited | Professional & scientific | 2012 |
| Lamps & Amps Ltd | Construction | 2014 |
| Lan's Kitchen Limited | Hospitality | 2023 |
| Lancebrook Limited | Other services | 2010 |
| Land and New Development Ltd | Construction | 2025 |
| Landani Resin Limited | Construction | 2022 |
| Landford Estates (Southern) Limited | Extraterritorial | 2008 |
| Landfull Ltd | Wholesale & retail | 2024 |
| Landlord Pulse Ltd | Information & communication | 2026 |
| Landmark Estates ( CM ) Limited | Construction | 2018 |
| Landmark Estates ( Gainsborough ) Limited | Construction | 2018 |
| Landmark Estates ( Holly Hill ) Limited | Construction | 2018 |
| Landmark Estates ( Rosudgeon ) Limited | Construction | 2018 |
| Landmark Estates (Alresford) Limited | Construction | 2017 |
| Landmark Estates (Cannington) Ltd | Construction | 2017 |
| Landmark Estates (Hatch) Limited | Construction | 2016 |
| Landmark Estates (HH) Ltd | Real estate | 2017 |
| Landmark Estates (Hssh) Limited | Construction | 2017 |
| Landmark Estates (SGS) Limited | Construction | 2018 |
| Lando Property Holdings Ltd | Real estate | 2025 |
| Landscapes & Greens GUY Ltd | Administrative & support | 2021 |
| Lane END Properties Limited | Professional & scientific | 1963 |
| Langarian Solutions Limited | Information & communication | 2023 |
| Langden Communications Limited | Information & communication | 2025 |
| Langden Group Limited | Information & communication | 2025 |
| Langden Limited | Information & communication | 2025 |
| Langley Investment Properties Ltd | Real estate | 2019 |
| Langridge Electrical Ltd | Construction | 2025 |
| Langton Dene Freehold Limited | Professional & scientific | 2006 |
| Language at 369 Limited | Education | 2020 |
| Language Planet Limited | Education | 2003 |
| Languages on Location Ltd | Administrative & support | 2011 |
| Lansdowne Court (Bournemouth) Freehold Limited | Households | 2013 |
| Lansdowne Court Freehold Company Ltd | Real estate | 2001 |
| Lansdowne Court Management Company (Bournemouth) Limited | Households | 1992 |
| Lansdowne Leisure Ltd | Administrative & support | 2016 |
| Lantal Properties Limited | Real estate | 2022 |
| Laptop-Service Limited | Other services | 2014 |
| Lara F Collections Limited | Wholesale & retail | 2009 |
| Larkman Aviation Services Ltd | Professional & scientific | 2025 |
| Larner Solutions Limited | Manufacturing | 2023 |
| Larosh Holdings Ltd | Real estate | 2026 |
| Laser Skin Solutions Limited | Other services | 2005 |
| Lasermet Holdings Limited | Professional & scientific | 2017 |
| Lasermet International Limited | Professional & scientific | 2017 |
| Lasermet Limited | Professional & scientific | 1986 |
| Lasermet Philippines Limited | Professional & scientific | 2017 |
| Lash & Brow Opulence Ltd | Other services | 2025 |
| Last Breed Inc Ltd | Information & communication | 2026 |
| Latclean Limited | Administrative & support | 2014 |
| Latimer Court Management Company Limited | Households | 2005 |
| Lattacook Limited | Professional & scientific | 2026 |
| Laughrica Productions Ltd | Arts & recreation | 2017 |
| Laundromat Technologies Limited | Other services | 2025 |
| Laura Smith Limited | Professional & scientific | 2025 |
| Laurel Court Bournemouth Limited | Households | 1998 |
| Laurel Court Owners Limited | Households | 2018 |
| Laurel View Homes Limited | Real estate | 2023 |
| Lauren Cooper Ltd | Professional & scientific | 2025 |
| Lavender Gardens (Poole) Management Company Limited | Households | 2022 |
| Laverstock (Management) Limited | Households | 1979 |
| Laverstock Court Management Company Limited | Households | 2006 |
| Lavery Masonic Catering Ltd | Administrative & support | 2024 |
| Lawnboys Limited | Administrative & support | 2025 |
| Lawrence & Rudge Estate Agents Ltd | Real estate | 2014 |
| Lawrence Contracting Limited | Manufacturing | 2002 |
| Lawsh Limited | Construction | 2012 |
| Lawsh One Limited | Construction | 2013 |
| Lawson Plumbing and Heating Ltd | Construction | 2019 |
| Lawson Stanley Estate Planning Ltd | Professional & scientific | 2020 |
| Layali Riyadh Ltd | Hospitality | 2025 |
| Lazy Dog Software Ltd | Information & communication | 2017 |
| LB Build Ltd | Construction | 2013 |
| LB Construction Management Limited | Professional & scientific | 2026 |
| LB Maintenance Ltd | Construction | 2013 |
| LB Utilities Limited | Construction | 2020 |
| LBH Design Engineering Ltd | Professional & scientific | 2025 |
| LBM Land Limited | Administrative & support | 2021 |
| LBP Enterprises Ltd | Manufacturing | 2008 |
| LC Nails Limited | Other services | 2026 |
| Lcaproperty Ltd | Real estate | 2021 |
| LCC Assets Ltd | Real estate | 2004 |
| LCE Promotions Limited | Administrative & support | 2021 |
| LE Munch Boscombe Ltd | Hospitality | 2022 |
| LE Petit Manoir Management Company Limited | Households | 2005 |
| LE Petit Prince Bakery Limited | Manufacturing | 2018 |