| Lark Lane FC CIC | Arts & recreation | 2026 |
| Lark Lane Hospitality Ltd | Hospitality | 2020 |
| Lark Lane Luxurious Apartments Ltd | Real estate | 2003 |
| Lark Lane Property Management Limited | Construction | 2014 |
| Lark Living Ltd | Real estate | 2025 |
| Larke Events Limited | Arts & recreation | 2015 |
| Larkhill Pizza Ltd | Hospitality | 2025 |
| Larklane Mini Mart Ltd | Wholesale & retail | 2020 |
| Larks Ltd | Wholesale & retail | 2009 |
| Larkspur Living Ltd | Professional & scientific | 2025 |
| Larksword (Management) Limited | Construction | 1985 |
| Larkwest Ltd | Real estate | 2022 |
| Larne Group Ltd | Information & communication | 2026 |
| Larock Holiday Lets Limited | Real estate | 2026 |
| Larrys Roofing Limited | Administrative & support | 2025 |
| Larsen Liverpool Limited | Professional & scientific | 2020 |
| LAS Colinas Ltd | Health & social care | 2013 |
| LAS Universal Property Limited | Real estate | 2019 |
| Lascala Nice Food Liverpool Ltd | Hospitality | 2024 |
| Laser Cafe Ltd | Other services | 2024 |
| Laser Elite Limited | Other services | 2021 |
| Laser Haus (NW) Limited | Health & social care | 2026 |
| Laser Liverpool Limited | Other services | 2024 |
| Laser Schoolwear Ltd | Wholesale & retail | 2014 |
| Laserquest Liverpool Limited | Arts & recreation | 2019 |
| Lash Girls Ltd | Other services | 2018 |
| Lash ME Quick Ltd | Other services | 2012 |
| Lash World UK Ltd | Wholesale & retail | 2024 |
| Lashmelovely HQ Limited | Wholesale & retail | 2024 |
| Laskon Technologies Limited | Information & communication | 2024 |
| Laskowska Ltd | Manufacturing | 2025 |
| Last FAN Standing Ltd | Information & communication | 2023 |
| Last Mile Deliveries Limited | Transport & logistics | 2024 |
| Last Mile Despatch Ltd | Transport & logistics | 2023 |
| Last Trip Advisor Limited | Information & communication | 2015 |
| Lastact Ltd | Education | 2015 |
| Lastact Property Ltd | Households | 2018 |
| Lastchanceoffer Limited | Wholesale & retail | 2025 |
| Lasting Threads Care Limited | Health & social care | 2019 |
| Late Night Food Store Ltd | Wholesale & retail | 2025 |
| Latere Ltd | Administrative & support | 2026 |
| Lath Management Services Limited | Professional & scientific | 2004 |
| Latham Capital Ltd | Real estate | 2020 |
| Latham Court Smile Centre Limited | Health & social care | 2014 |
| Lathbury Logistics Ltd | Administrative & support | 2025 |
| Lathom Electrics Ltd | Construction | 2026 |
| Lathom Heating & Plumbing Ltd | Construction | 2018 |
| Lathom Joinery and Construction Ltd | Construction | 2020 |
| Lathom Point (Huyton) RTM Company Limited | Real estate | 2011 |
| Latimer Eco Solutions Ltd | Construction | 2025 |
| Latin Cleaning Ltd | Administrative & support | 2026 |
| Latitude Bidco Limited | Financial services | 2018 |
| Latitude Global Brand Development LLP | | 2023 |
| Latitude Midco 1 Limited | Financial services | 2018 |
| Latitude Midco 2 Limited | Financial services | 2018 |
| Latitude Property Group Ltd | Real estate | 2024 |
| Latitude Topco Limited | Financial services | 2018 |
| Latix Financial Ltd | Information & communication | 2026 |
| Latomus Capital Limited | Information & communication | 2024 |
| Latsen Group Ltd | Financial services | 2026 |
| Latsen Technology Ltd | Manufacturing | 2018 |
| Lattimer Group Limited | Real estate | 2018 |
| Laudanum Studio L.P. | | 2018 |
| Lauder Elliott Limited | Other services | 2000 |
| Laugh for Life Comedy CIC | Health & social care | 2024 |
| Laughology Ltd. | Other services | 2006 |
| Laughterhouse on the Road Limited | Arts & recreation | 2011 |
| Launch International DRQ Consultancy Limited | Professional & scientific | 2017 |
| Launch Resources Ltd | Administrative & support | 2009 |
| Launchpad Futures CIC | Transport & logistics | 2025 |
| Laundry Craft Services Ltd | Manufacturing | 2019 |
| Laundry Lounge Liverpool Ltd | Administrative & support | 2026 |
| Laundry Oils Ltd | Wholesale & retail | 2023 |
| Laura MC Cleaning Ltd | Administrative & support | 2026 |
| Laura Mccann Photos Limited | Professional & scientific | 2019 |
| Laura Melia Hair Ltd | Other services | 2018 |
| Laura Van Flute Ltd | Other services | 2025 |
| Laura Wade Photography Limited | Professional & scientific | 2026 |
| Laura Walsh Estates Ltd | Real estate | 2025 |
| Laura's Deli & Wine Ltd | Wholesale & retail | 2023 |
| Laura's FUN Music Time Ltd | Education | 2024 |
| Laurel Consultancy (Liverpool) Limited | Real estate | 2012 |
| Laurel Regen Limited | Professional & scientific | 2019 |
| Lauren FOY Personal Training Ltd | Arts & recreation | 2018 |
| Lauren Maria Ltd | Professional & scientific | 2025 |
| Laurengold Limited | Manufacturing | 2002 |
| Laurens Curteis Ltd | Professional & scientific | 2024 |
| Laurens Giftique Ltd | Wholesale & retail | 2025 |
| Laurjon Limited | Real estate | 2005 |
| Laurus Decor Ltd | Construction | 2017 |
| Laveen Limited | Wholesale & retail | 2017 |
| Lavelle Properties Ltd | Real estate | 2021 |
| Lavelle's Sandwich Bar Ltd | Hospitality | 2024 |
| Laverty Locum Limited | Health & social care | 2013 |
| Lavinder Global Ltd | Health & social care | 2023 |
| Lavinder International Ltd | Real estate | 2024 |
| Lavins Food Store Ltd | Wholesale & retail | 2023 |
| Lavish 11 Ltd | Wholesale & retail | 2024 |
| Lavish Interiors & Garden Ltd | Wholesale & retail | 2018 |
| Lavita Takeout Ltd | Hospitality | 2023 |