| Leverstock Childrens Care Ltd | Health & social care | 2025 |
| Leverstock Property 2 Ltd | Real estate | 2026 |
| Leverstock Property Ltd | Real estate | 2025 |
| Lewco Ltd. | Professional & scientific | 1998 |
| Lewhaven Properties Limited | Real estate | 2024 |
| Lewis Clark Ltd | Professional & scientific | 2013 |
| Lewis Electrical Solutions SW Ltd | Construction | 2019 |
| Lewis Nicholson Consulting Ltd | Information & communication | 2014 |
| Lewis Support Ltd | Information & communication | 2018 |
| Lewis White Mortgages Ltd | Financial services | 2022 |
| LEX Cipher Limited | Professional & scientific | 2023 |
| LEX Event Hire Ltd | Other services | 2024 |
| LEX Francis Properties Ltd | Real estate | 2020 |
| Lexara Solutions Ltd | Professional & scientific | 2025 |
| Lexer Investments Limited | Real estate | 2000 |
| Lexon (Holdings) Limited | Professional & scientific | 2013 |
| Leypass Ltd | Health & social care | 2019 |
| LG International Ltd | Professional & scientific | 2026 |
| LGC Ceilings and Partitions Ltd | Construction | 2022 |
| LH Construction (SW) Ltd | Construction | 2021 |
| LHB Properties Limited | Real estate | 2003 |
| LHF Management Limited | Households | 2020 |
| LHR Contractors Limited | Construction | 2018 |
| Liberate Change Management Consultants Limited | Professional & scientific | 2017 |
| Liberi Assessment Ltd | Health & social care | 2019 |
| Libraries Unlimited Enterprises Limited | Hospitality | 2015 |
| Libraries Unlimited South West | Arts & recreation | 2015 |
| Librus Limited | Wholesale & retail | 2025 |
| Lids Health & Fitness Ltd | Arts & recreation | 2024 |
| Life Chance Care Limited | Education | 2020 |
| Life Chance Holdings (SW) Limited | Financial services | 2025 |
| Life Chance Training Limited | Education | 2020 |
| Life for Living Care Ltd | Health & social care | 2022 |
| Lifecycle Contracting Limited | Professional & scientific | 2025 |
| Lifecycle Ecology and Survey Limited | Professional & scientific | 2025 |
| Lifespan Roof Repairs Ltd | Construction | 2026 |
| Life’S 2 Short Serviced Accommodation Ltd | Hospitality | 2018 |
| Light Blue Media Cambridge Limited | Information & communication | 2019 |
| Lighthouse Academic Ltd | Professional & scientific | 2022 |
| Lighthouse Property Developments Limited | Real estate | 2003 |
| Lighthouse Southwest Ltd | Hospitality | 2017 |
| Lightmoor Limited | Real estate | 2016 |
| Lilacbakery Ltd | Hospitality | 2021 |
| Liliths Ltd | Hospitality | 2025 |
| Lilliput Brewing Company Ltd | Extraterritorial | 2022 |
| Lilliput Holdings Devon Ltd | Real estate | 2024 |
| LIM Pharma Ltd | Wholesale & retail | 2023 |
| LIMBERLAND15 Limited | Information & communication | 2018 |
| Limberlost Solar Park Limited | Energy | 2012 |
| Lime Render Southwest Limited | Construction | 2024 |
| Limerock Developments Limited | Professional & scientific | 2015 |
| Limitless Two Ltd | Financial services | 2024 |
| Linda Salmon Property Limited | Real estate | 2018 |
| Lindberg Developments Limited | Construction | 2025 |
| Linden Care Limited | Health & social care | 2026 |
| Linden Vale Garden Ltd | Households | 2018 |
| Lindfield Day Opportunities Limited | Health & social care | 2024 |
| Lingo Design Limited | Administrative & support | 2008 |
| Linking Together Limited | Health & social care | 2021 |
| Links South West Ltd | Health & social care | 2013 |
| Links to a Life CIC | Education | 2017 |
| Lion Decorating and Building Maintenance Ltd | Construction | 2002 |
| Lippiett Ltd | Information & communication | 2011 |
| Lippirebel Ltd | Wholesale & retail | 2025 |
| Liquid Asset Holdings Ltd | Financial services | 2026 |
| Lisbon Real Estate Limited | Administrative & support | 2011 |
| Literature Works | Arts & recreation | 2009 |
| Litralove Limited | Information & communication | 2023 |
| Little and Close Investments Limited | Construction | 2024 |
| Little Arch Limited | Hospitality | 2025 |
| Little Bear Limited | Arts & recreation | 1996 |
| Little Brother Books Limited | Information & communication | 2016 |
| Little Chimp Ltd | Real estate | 2022 |
| Little Devon Ltd | Information & communication | 2022 |
| Little Dragons (Clyst ST George) Ltd | Health & social care | 2004 |
| Little Drop of Poison Ltd | Hospitality | 2017 |
| Little Ducklings Nursery Devon Ltd | Health & social care | 2021 |
| Little EXE CIC | Arts & recreation | 2023 |
| Little Haccombe Collectables Limited | Wholesale & retail | 2009 |
| Little Linguist Limited | Wholesale & retail | 2007 |
| Little Ones Childcare Ltd | Education | 2002 |
| Little Ones Holdings Limited | Financial services | 2008 |
| Little Orange Homes Ltd | Real estate | 2021 |
| Little Orchard Ducklings Limited | Health & social care | 2026 |
| Little Park Farm Devon Ltd | Agriculture & fishing | 2021 |
| Little Pearls Nursery Limited | Health & social care | 2023 |
| Little POD Limited | Wholesale & retail | 2010 |
| Little Red Properties Ltd | Real estate | 2020 |
| Littlecourt Cottages Limited | Hospitality | 2003 |
| Littleham 2010 Limited | Real estate | 2010 |
| Littlewood Close Management Company Limited | Households | 2022 |
| Live the Chaos Limited | Wholesale & retail | 2024 |
| Liveinoxford Ltd | Construction | 2021 |
| Lively Learners Limited | Education | 2025 |
| Liversedge Medical Limited | Extraterritorial | 2002 |
| Liverton 2014 Limited | Energy | 2014 |
| Liverton Business Park 2011 Limited | Real estate | 2011 |
| Liverton Business Park 2012 Limited | Real estate | 2012 |
| Liverton Solar Ltd | Energy | 2014 |
| Livery Dole Limited | Administrative & support | 1987 |