| Learning and Community Sport @ Worle Trust | Arts & recreation | 2012 |
| Leaseside Property Management Limited | Households | 1990 |
| Leatt Holding Limited | Real estate | 2017 |
| Leawood Court (Weston-Super-Mare) Management Company Limited | Administrative & support | 1980 |
| LEE 4R Solutions Ltd | Professional & scientific | 2025 |
| Legacy Taping & Jointing Ltd | Administrative & support | 2017 |
| Legal Talent Partners Limited | Administrative & support | 2025 |
| Legends Wadham Limited | Hospitality | 2025 |
| Legion Games Ltd | Wholesale & retail | 2025 |
| Leisure Estates Limited | Real estate | 1987 |
| Lemon Digital Media Limited | Manufacturing | 2010 |
| Lenbart Ltd | Transport & logistics | 2017 |
| Leni Engineering Limited | Construction | 2015 |
| Leopold Real Estate Limited | Real estate | 2025 |
| LET Assured Property's Ltd | Hospitality | 2026 |
| LET4LIFESTYLE Ltd | Real estate | 2020 |
| Levi 81 Limited | Transport & logistics | 2025 |
| Leycroft Court Management Company Limited | Hospitality | 1989 |
| LG Accountancy & Bookkeeping Ltd | Professional & scientific | 2024 |
| LGD Property Management Limited | Households | 2024 |
| LGN Plumbing & Heating Limited | Construction | 2022 |
| Liberty Web Ltd | Information & communication | 2021 |
| Libra Contruction Ltd | Construction | 2020 |
| Lifeline Care Staffing Ltd | Administrative & support | 2025 |
| Lifenex Ltd | Wholesale & retail | 2026 |
| Lift UP Chatting Ltd | Information & communication | 2025 |
| Lightning Bolt Designs Limited | Professional & scientific | 2013 |
| LIGHTS4LIVING Limited | Other services | 2009 |
| Lightside (Bspc) Ltd | Administrative & support | 2006 |
| Lightside CA Payments Limited | Administrative & support | 2025 |
| Lillians Orchard Management Company Limited | Households | 2025 |
| Limberlost Ltd | Administrative & support | 2021 |
| Limitless Unlimited Limited | Extraterritorial | 2015 |
| Limitless Visionary Ltd | Transport & logistics | 2020 |
| Lincoln Storm Ltd | Water & waste | 2021 |
| Linda Shipway & Co. Limited | Extraterritorial | 2005 |
| Linden Road Methodist Chapel Management Company Limited | Households | 2008 |
| Lines Aesthetics & Healthcare Ltd | Health & social care | 2025 |
| Links Genealogy Limited | Other services | 2010 |
| Linska Ltd | Administrative & support | 2018 |
| Linska Touring Limited | Wholesale & retail | 2020 |
| Lin’S Estate Limited | Real estate | 2026 |
| Lion Rock Radiology LLP | | 2024 |
| Lippe Property Holdings Ltd | Real estate | 2022 |
| Lisa Curtis Estate Agents Ltd | Real estate | 2023 |
| Lisa Nails Worle Ltd | Other services | 2022 |
| Little Adventures Nurseries 2 Limited | Education | 2019 |
| Little Adventures Nurseries Ltd | Education | 2020 |
| Little Angels Weston Ltd | Education | 2015 |
| Little Explorers Play Cafe Ltd | Hospitality | 2025 |
| Little Gems Online Ltd | Wholesale & retail | 2016 |
| Little Pony Logistics Ltd | Transport & logistics | 2014 |
| Little Starz Nursery Limited | Education | 2014 |
| Little Starz Properties Limited | Real estate | 2025 |
| Littleton Steel Limited | Manufacturing | 2002 |
| Living Lodge Ltd | Real estate | 2023 |
| Livingstone Interiors Ltd | Construction | 2007 |
| Lizzie Salter Ltd | Health & social care | 2023 |
| LJD Price Recruitment Ltd | Administrative & support | 2024 |
| LJP Builders Limited | Construction | 2003 |
| LJP Landscaping Ltd | Construction | 2025 |
| Lkag Solutions Limited | Construction | 2013 |
| LL Renovations Limited | Real estate | 2026 |
| Lloyd Industries Limited | Construction | 1998 |
| Lloyd Jones Pharma Limited | Wholesale & retail | 2022 |
| Lloyd-Rose Digital Solutions Ltd | Information & communication | 2026 |
| Lloyd-Rose Holdings Ltd | Professional & scientific | 2026 |
| Lloyds Property Services Ltd | Other services | 2011 |
| LM Welding Ltd | Wholesale & retail | 2011 |
| LMG Connect Investments Ltd | Real estate | 2022 |
| LMG Connect Ltd | Health & social care | 2015 |
| LMS Carpentry and Joinery Ltd | Manufacturing | 2022 |
| LNC Plumbing, Heating & Bathrooms Ltd | Construction | 2023 |
| Lock Trans Services Ltd | Transport & logistics | 2024 |
| Locking Pharmacy Ltd | Wholesale & retail | 2012 |
| Lockrite Ltd | Manufacturing | 2011 |
| Locksmith Titan Sistems Limited | Professional & scientific | 2026 |
| Locum Guarantee Limited | Professional & scientific | 2024 |
| Logistic Services (South West) Ltd | Transport & logistics | 2014 |
| Logos Surveys Ltd | Professional & scientific | 2023 |
| Loki Media Ltd | Information & communication | 2013 |
| Lokiee Industrial Locks Ltd | Manufacturing | 2024 |
| Lola Boju Limited | Health & social care | 2014 |
| London Fortress Industrial Safety Equipment Ltd | Manufacturing | 2024 |
| London Music Solutions Ltd | Arts & recreation | 2021 |
| Long ARM Films Limited | Information & communication | 2013 |
| Longacres Country Homes Limited | Hospitality | 2002 |
| Loomax Ltd | Information & communication | 2025 |
| Lord Enterprises Limited | Real estate | 2022 |
| Lordy&Co Ltd | Health & social care | 2022 |
| Lorn Limited | Health & social care | 2023 |
| Lotus Court Maintenance Limited | Households | 1975 |
| Lotus Express WSM Ltd | Hospitality | 2024 |
| Louca Logistics Ltd | Transport & logistics | 2019 |
| Loughson Ltd | Real estate | 2020 |
| Louis George Automotive Ltd | Wholesale & retail | 2025 |
| Louise Davies Pubs Ltd | Hospitality | 2023 |
| Loupy's Dreadlocks Ltd | Wholesale & retail | 2025 |
| Love My Health Ltd | Health & social care | 2024 |
| Lowemack Limited | Real estate | 2025 |