| Lost Star East Limited | Hospitality | 2016 |
| Lost Star Limited | Hospitality | 2016 |
| Loto Construction Services Ltd | Manufacturing | 2025 |
| Lotus Leaf Consultants Limited | Administrative & support | 2013 |
| Lotus Online Trading Ltd | Wholesale & retail | 2020 |
| Loucas George Ltd | Households | 2019 |
| Lourdes Trading Ltd | Wholesale & retail | 2019 |
| Loutash Company Limited | Extraterritorial | 2008 |
| Love Puff Vitamins Limited | Manufacturing | 2024 |
| Lovelock Build and Repair Limited | Construction | 2024 |
| Lovely Angels Limited | Health & social care | 2013 |
| Lovelydays Property Management Services Ltd | Administrative & support | 2019 |
| Loving Local Limited | Professional & scientific | 2016 |
| Lowen Services Ltd | Construction | 2018 |
| Loyal Care Consortium Limited | Public administration | 2017 |
| Loyals Solutions Ltd | Construction | 2026 |
| Loybekk Ltd | Hospitality | 2022 |
| LP SD Eighty Seven Limited | Wholesale & retail | 2023 |
| Lp-Tech Limited | Administrative & support | 2010 |
| Lpd&M Cleaning Solution Ltd | Administrative & support | 2025 |
| LR Music Ltd | Arts & recreation | 2024 |
| LRC Plans Ltd | Professional & scientific | 2022 |
| LS Electrical Solutions Ltd | Construction | 2021 |
| LS Occasions Limited | Arts & recreation | 2024 |
| LSE Design IP Limited | Manufacturing | 2009 |
| LSZ Tech Hub Ltd | Wholesale & retail | 2026 |
| LT Engineer Ltd | Construction | 2020 |
| LT Investment Limited | Real estate | 2022 |
| LTF Installations Ltd | Construction | 2022 |
| Lu-Jus Property Ltd | Real estate | 2024 |
| LUC Clothing Limited | Wholesale & retail | 2018 |
| Lucent Lighting Europe Limited | Extraterritorial | 2016 |
| Lucent Lighting Holdings Limited | Financial services | 2016 |
| Lucent Lighting Limited | Manufacturing | 1993 |
| Lucent Lighting USA Limited | Financial services | 2016 |
| Lucien Force Ltd | Professional & scientific | 2025 |
| Lucila Limited | Health & social care | 2023 |
| Lucinda Court Limited | Hospitality | 1993 |
| Lucky Palace Ltd | Hospitality | 2021 |
| Ludlow Court Limited | Extraterritorial | 2015 |
| LUE Alexander Property Ltd | Real estate | 2022 |
| Luggage Depot Ltd | Wholesale & retail | 2025 |
| Luggage Sales Ltd | Wholesale & retail | 2025 |
| Lukaj Construction Ltd | Construction | 2023 |
| Lukas Alam Entertainment Limited | Administrative & support | 2025 |
| Lukeexel Limited | Health & social care | 2017 |
| Luktro Transport Limited | Transport & logistics | 2020 |
| Lukwago Services Ltd | Real estate | 2023 |
| Lulaj Utility Ltd | Construction | 2025 |
| Lulu Harris Candles Limited | Manufacturing | 2024 |
| Lulu Traders Limited | Wholesale & retail | 2018 |
| Lumean Ltd | Wholesale & retail | 2013 |
| Lumen Visuals Ltd | Information & communication | 2026 |
| Lumena Property Limited | Real estate | 2018 |
| Luminaserv Ltd | Construction | 2026 |
| Lumineer Studio Ltd | Professional & scientific | 2013 |
| Luminia Transport Ltd | Transport & logistics | 2013 |
| Luna D'Amore Ltd | Construction | 2022 |
| Luna's Food Bar Ltd | Hospitality | 2024 |
| Lunar CHI Ltd | Wholesale & retail | 2019 |
| Lunisa Flowers Ltd | Wholesale & retail | 2026 |
| Lunore Ltd | Wholesale & retail | 2025 |
| Lupine Cleaning Limited | Administrative & support | 2026 |
| Lush Nails (Thorton Heath) Limited | Other services | 2019 |
| Lusha Construction Ltd | Construction | 2026 |
| Lusu Properties Ltd | Real estate | 2024 |
| Luther Kusi-Appiah LLP | | 2020 |
| Luviland Limited | Wholesale & retail | 2020 |
| LUX Building Contractors Ltd | Construction | 2023 |
| LUX Driving School Ltd | Education | 2024 |
| LUX Nail Beauty Limited | Other services | 2025 |
| LUX Skin and Aesthetics Ltd | Other services | 2022 |
| Luxe DE LA Peau Ltd | Manufacturing | 2021 |
| Luxe Essence Ltd | Wholesale & retail | 2024 |
| Luxe Marketing Limited | Information & communication | 2022 |
| Luxe Marketing Services Ltd | Wholesale & retail | 2023 |
| Luxeville Limited | Real estate | 2015 |
| Luxgen Solutions Ltd | Wholesale & retail | 2025 |
| Luxhome Realty Limited | Real estate | 2026 |
| Luxio LUX Limited | Construction | 2025 |
| Luxor Shop Ltd | Wholesale & retail | 2025 |
| Luxora Homes Ltd | Hospitality | 2025 |
| Luxoria Ltd | Wholesale & retail | 2026 |
| Luxtransportation Ltd | Transport & logistics | 2025 |
| Luxury Comforts Ltd | Wholesale & retail | 2020 |
| Luxury Exotic Limited | Wholesale & retail | 2025 |
| Luxury Hotels and Resorts of the World Ltd | Administrative & support | 2011 |
| Luxury LED Lights Limited | Other services | 2017 |
| Luxxe Valet Limited | Administrative & support | 2020 |
| Lu’Jain by Muna Ltd | Wholesale & retail | 2024 |
| LVF Trans Ltd | Transport & logistics | 2021 |
| Lvnguyen Limited | Other services | 2019 |
| LVW Scaffolding Ltd | Construction | 2018 |
| LWC & Suppliers Limited | Wholesale & retail | 2025 |
| LY Dong Limited | Other services | 2023 |
| LYNCO3010 Limited | Other services | 2026 |
| Lyndaniel Limited | Health & social care | 2019 |
| Lynn Care Service Limited | Health & social care | 2020 |
| Lynnwood Homes Limited | Real estate | 2017 |
| Lyons Developments Ltd | Construction | 2020 |