| LH Plumbing and GAS Ltd | Administrative & support | 2021 |
| LHD Euro Car Limited | Wholesale & retail | 2016 |
| LIA Hair & Cosmetics Limited | Wholesale & retail | 2024 |
| Liberty Camper Conversions Ltd | Manufacturing | 2021 |
| Liberty Caravan Services Ltd | Manufacturing | 2017 |
| Liberty Community Foundation CIC | Hospitality | 2018 |
| Liberty ICT Limited | Information & communication | 2015 |
| Libliz Ltd | Wholesale & retail | 2025 |
| Life CARE24 Ltd. | Administrative & support | 2014 |
| LIG Energy Services Ltd | Construction | 2024 |
| Lightituphire Ltd | Other services | 2019 |
| Likvod Systems Limited | Information & communication | 1995 |
| Lilia James Aesthetics Limited | Health & social care | 2022 |
| Limestone House (Elmton and Creswell Village Company) Ltd | Wholesale & retail | 2001 |
| Linc Solar Ltd | Energy | 2026 |
| Lincol Limited | Administrative & support | 2001 |
| Lincs-Cabins Limited | Manufacturing | 2012 |
| Lindrick Boarding Kennels & Cattery Limited | Other services | 2025 |
| Lindrick Construction and Site Installations Limited | Construction | 2004 |
| Lindrick Construction Services Limited | Construction | 2007 |
| Lindrick Construction Site Engineering Limited | Construction | 2017 |
| Lindrick Consulting and Development Limited | Professional & scientific | 2016 |
| Lindrick Electrical Limited | Professional & scientific | 2011 |
| Lindrick Investments Limited | Real estate | 1996 |
| Lindrick Kennels Limited | Other services | 2012 |
| Lindrick Litigation Risk Solutions Limited | Financial services | 2019 |
| Lindrick Plumbing and Heating Limited | Construction | 2017 |
| Lindrick Properties Limited | Real estate | 2006 |
| Lindrick Property Investments & Lettings Ltd | Real estate | 2023 |
| Lindrick Property Investments Ltd | Real estate | 2022 |
| Lingo Print & Embroidery Limited | Manufacturing | 2026 |
| Linkwell Recruitment Limited | Administrative & support | 2026 |
| Linley Cladding Ltd | Construction | 2014 |
| Lite Roofs Ltd | Construction | 2016 |
| LJK Homes Ltd | Real estate | 2014 |
| LJM Property Services (Worksop) Ltd | Construction | 2018 |
| LKC Motors Limited | Wholesale & retail | 2011 |
| Lloyds Properties Limited | Financial services | 2024 |
| Lloyds Transport Limited | Transport & logistics | 2018 |
| LMP Electrical Installation Ltd | Construction | 2015 |
| Lmsk Mobile Mechanic Ltd | Professional & scientific | 2026 |
| LMX Ltd | Wholesale & retail | 2021 |
| Loaded Fries & Nachos Ltd | Hospitality | 2019 |
| Local 2 U Store Ltd | Wholesale & retail | 2025 |
| Local Convenience Worksop Limited | Wholesale & retail | 2025 |
| Localregal Limited | | 1987 |
| Lock Street B3 Limited | Financial services | 2024 |
| Locke Lease & Developments Limited | Real estate | 2026 |
| Locker Wright Limited | Extraterritorial | 2017 |
| Lockwood and Co Lettings Ltd. | Real estate | 2002 |
| Lodel Energy UK Limited | Professional & scientific | 2026 |
| Logisticspros Consulting Ltd | Transport & logistics | 2023 |
| Lola's Fine Dining Ltd | Hospitality | 2026 |
| Lola’S Wine Bar and Pizzeria Limited | Hospitality | 2025 |
| Long Haul Limited | Transport & logistics | 1996 |
| Longbridge Certification Limited | Professional & scientific | 2014 |
| Longton Home Ltd | Health & social care | 2000 |
| Lou&Liam Company Ltd | Health & social care | 2021 |
| Louca Property Ltd | Real estate | 2026 |
| Louis Demery & Sons Limited | Manufacturing | 1947 |
| Lovely Fried Chicken Ltd | Hospitality | 2012 |
| LPC Music Photography Works CIC | Information & communication | 2023 |
| Lpowered Ltd | Construction | 2022 |
| LR Telecom Ltd | Information & communication | 2025 |
| LRB Aesthetics & Skin Ltd | Other services | 2025 |
| LSB Property Developments Ltd | Real estate | 2025 |
| LSL Estate Limited | Real estate | 2023 |
| LTL Partners Ltd | Agriculture & fishing | 1992 |
| Luans Little People Ltd | Education | 2016 |
| Luminance Aesthetics Ltd | Health & social care | 2025 |
| Luna Fitness & Wellbeing Studio Ltd | Arts & recreation | 2024 |
| LUX Car Wash Ltd | Administrative & support | 2023 |
| Luxe & Glam Boutique Ltd | Wholesale & retail | 2025 |
| LV20 Limited | Construction | 2024 |
| LW Driving Limited | Transport & logistics | 2025 |
| LW Programming Ltd | Information & communication | 2022 |
| LWC Transport Limited | Transport & logistics | 2015 |
| Lydia MEE Homes Limited | Construction | 2017 |
| Lync Active Limited | Arts & recreation | 2016 |
| Lync Kids Limited | Health & social care | 2025 |
| Lync Performance Limited | Arts & recreation | 2021 |
| Lync Wellbeing Group Limited | Arts & recreation | 2021 |
| LYS Designs Limited | Professional & scientific | 2018 |
| M & B Investments Ltd | Real estate | 2007 |
| M & J Group Holdings Limited | Professional & scientific | 2025 |
| M & L Tree Services Limited | Administrative & support | 2021 |
| M a W Property Investors Ltd | Real estate | 2012 |
| M Gunes Ltd | Wholesale & retail | 2024 |
| M L Heron Lodge Limited | Real estate | 2021 |
| M Pearman Properties Ltd | Real estate | 2024 |
| M Wardle Properties Ltd | Real estate | 2024 |
| M Wolstenholme Heating Limited | Construction | 2015 |
| M&R Metals Limited | Wholesale & retail | 2026 |
| M. Beniston Transport Ltd | Transport & logistics | 2020 |
| M.A.W. Services Ltd | Administrative & support | 2022 |
| M.B. Engineering (2012) Ltd | Manufacturing | 2012 |
| M.C.S. Controls Limited | Manufacturing | 1996 |
| Mac's Autos Ltd | Wholesale & retail | 2024 |
| Macca-Beauty Limited | Health & social care | 2026 |
| Macefield Commercials Limited | Wholesale & retail | 2018 |