| Lordes Estates Limited | Real estate | 2021 |
| Lordes Group Limited | Financial services | 2023 |
| Lords Bath Lights & Kitchen Solution Ltd | Wholesale & retail | 2019 |
| Lords Collection Ltd | Wholesale & retail | 2016 |
| Lorenc & Sons Ltd | Construction | 2019 |
| Lorenza Cosmetics Ltd | Wholesale & retail | 2013 |
| Loretta LEE Limited | Professional & scientific | 2020 |
| Lorettas Limited | Hospitality | 2007 |
| Lorhelmut Limited | Transport & logistics | 2021 |
| Loros Commercial Innovations Ltd | Hospitality | 2020 |
| Loros Enterprises Limited | Wholesale & retail | 1985 |
| Loros Lotteries Limited | Arts & recreation | 1996 |
| Lorrydriving Limited | Transport & logistics | 2025 |
| LOS Blancos Ltd | Wholesale & retail | 2024 |
| LOS Patos Investments Ltd | Real estate | 2017 |
| Losos Ltd | Health & social care | 2020 |
| Loss 2 Lace Limited | Wholesale & retail | 2025 |
| Lost Bar Ltd | Administrative & support | 2017 |
| Lost in Music Events Ltd | Arts & recreation | 2021 |
| Lost on AVE Ltd | Wholesale & retail | 2026 |
| LOT 25 Property Ltd | Real estate | 2015 |
| LOT133 Consulting Ltd | Professional & scientific | 2022 |
| Lotan Investments Limited | Financial services | 2021 |
| Lotan Limited | Manufacturing | 1985 |
| Lote Global Investments Ltd | Professional & scientific | 2021 |
| Lote Tree Group Limited | Information & communication | 2016 |
| Lote Tree UK Investments Limited | Professional & scientific | 2020 |
| Lotherington Ltd | Transport & logistics | 2015 |
| Lotus & Lion Trade Ltd | Wholesale & retail | 2021 |
| Lotus Aesthetics Clinic Limited | Other services | 2023 |
| Lotus Aluminium Ltd | Manufacturing | 2024 |
| Lotus Associates Ltd | Professional & scientific | 2016 |
| Lotus Brands Ltd | Extraterritorial | 2020 |
| Lotus Commercial Developments Ltd | Construction | 2024 |
| Lotus Creations (UK) Limited | Manufacturing | 2007 |
| Lotus Homes and Property Limited | Construction | 2024 |
| Lotus Land & Lettings Ltd | Real estate | 2020 |
| Lotus Light Limited | Households | 2026 |
| Lotus Logistics Transport Limited | Transport & logistics | 2026 |
| Lotus Mediaa Ltd | Hospitality | 2025 |
| Lotus Msrv Ltd | Information & communication | 2022 |
| Lotus Pack (UK) Limited | Manufacturing | 2017 |
| Lotus Production & Entertainment Ltd | Professional & scientific | 2023 |
| Lotus Quality Care Limited | Health & social care | 2011 |
| Lotus Residencies Ltd | Real estate | 2024 |
| Lotus Residential Ltd | Real estate | 2016 |
| Lotus Salon Ltd | Other services | 2024 |
| Lotus Social Work Services Ltd | Health & social care | 2025 |
| Lotus Surgery Limited | Health & social care | 2023 |
| Lotus Tanning Boutique Limited | Other services | 2024 |
| LOU Properties Limited | Hospitality | 2025 |
| Loud and Clear Coaching Limited | Professional & scientific | 2025 |
| Loughborough Ashby Ltd | Hospitality | 2024 |
| Loughborough Gents Salon Ltd | Other services | 2025 |
| Loughborough Market Ltd | Hospitality | 2022 |
| Loughborough Metals Limited | Water & waste | 2023 |
| Loughborough Pride C.I.C. | Education | 2025 |
| Loughborough Rushes Ltd | Hospitality | 2022 |
| Loughborough Standard Locomotives Group Ltd | Manufacturing | 1999 |
| Loughborough Surface Analysis Holdings Limited | Financial services | 2014 |
| Loughborough Wedding Photographer Ltd | Professional & scientific | 2020 |
| Louis Kennedy Solicitors Ltd | Professional & scientific | 2020 |
| Louis Marcel Ltd | Administrative & support | 2019 |
| Louis Rood Sports and Coaching Ltd | Education | 2025 |
| Louisa Poole Limited | Administrative & support | 2017 |
| Louise Spencer Limited | Wholesale & retail | 2019 |
| Louise Sutton Ltd | Financial services | 2023 |
| Louisekeys Ltd | Wholesale & retail | 2025 |
| Loujain Property Partners Ltd | Real estate | 2025 |
| Loukah Consulting Ltd | Professional & scientific | 2015 |
| Loungewearuk Ltd | Manufacturing | 2019 |
| Louth Vision Centre Limited | Wholesale & retail | 2020 |
| Louvo Properties Ltd | Real estate | 2025 |
| Lovable Hounds Ltd | Agriculture & fishing | 2024 |
| Love 2 Learn Nursery Limited | Health & social care | 2016 |
| Love Bite Papabi Ltd | Hospitality | 2025 |
| Love City Trends Ltd | Manufacturing | 2006 |
| Love Lane Group Ltd | Real estate | 2023 |
| Love Lane Ventures Ltd | Real estate | 2024 |
| Love Law Ltd | Professional & scientific | 2025 |
| Love ME DO Hair Boutique Limited | Professional & scientific | 2013 |
| Love My Move Limited | Real estate | 2024 |
| Love Partying Limited | Wholesale & retail | 2011 |
| LOVE2LUNCH Limited | Hospitality | 2015 |
| Lovecorp Ltd | Hospitality | 2023 |
| Loveday Lighting Limited | Professional & scientific | 2018 |
| Loveday Music Limited | Information & communication | 2024 |
| Lovehomesproperty Ltd | Households | 2024 |
| Lovelock Carpentry Limited | Construction | 2024 |
| Lovely Dream House Ltd | Construction | 2020 |
| Lovett Pools Limited | Construction | 2016 |
| Lovin Livin Ltd | Real estate | 2024 |
| LOW & Bonar Euro Holdings Limited | Professional & scientific | 2017 |
| LOW Cost Vans Leicester Limited | Wholesale & retail | 2021 |
| LOW Emission Vehicles Midlands Limited | Extraterritorial | 2015 |
| Lowcost Stay Ltd | Hospitality | 2024 |
| Lowe & Carr Limited | | 1949 |
| Lowe Electrical Contractors Ltd | Construction | 2003 |
| Lowe Homes Ltd | Hospitality | 2015 |
| Lowe Jones Associates Limited | Information & communication | 2010 |