| Luigi Pizza 1 Limited | Hospitality | 2025 |
| LUK Auto Ltd | Wholesale & retail | 2019 |
| Luke Baker Software Development Ltd | Information & communication | 2022 |
| Luke Evans Fitness Online Ltd | Arts & recreation | 2023 |
| Lumbnet Books Limited | Construction | 2006 |
| Lumenbridge Consulting Limited | Professional & scientific | 2025 |
| Lumenthrive Films Limited | Information & communication | 2025 |
| Luminaire Travel Ltd | Transport & logistics | 2025 |
| Luminare Ltd | Real estate | 2016 |
| Lumixor Ltd | Professional & scientific | 2025 |
| Lumley & Partners Limited | Professional & scientific | 2025 |
| Luna Mini Market Ltd | Wholesale & retail | 2025 |
| Lupa Surveying Ltd | Professional & scientific | 2025 |
| Lupin Property Limited | Real estate | 2017 |
| Luqman Yaseen Ltd | Real estate | 2024 |
| Luther Property (TDB) Limited | Real estate | 2021 |
| LUX Contracts & Installations Ltd | Construction | 2021 |
| Luxe City Stays Ltd | Real estate | 2025 |
| Luxury Hampers and Gifts Ltd | Wholesale & retail | 2014 |
| LVC Productions Limited | Information & communication | 2022 |
| LW Fine Art Ltd | Wholesale & retail | 2025 |
| Lyehead Management Services Limited | Extraterritorial | 2006 |
| Lygon Court Management Limited | Real estate | 2009 |
| Lymer Investments Limited | Administrative & support | 2019 |
| Lyndale Care Limited | Health & social care | 2009 |
| Lyndene Systems Limited | Information & communication | 2014 |
| Lyppard Grange Properties Limited | Real estate | 2012 |
| Lyra Adhd Coaching Limited | Education | 2026 |
| Lyra Court Ltd | Real estate | 2023 |
| Lyrebird Studios Ltd | Information & communication | 2024 |
| Lyte Limited | Manufacturing | 2014 |
| M & a Coachworks Limited | Wholesale & retail | 1987 |
| M & Co Construction Group Ltd | Construction | 2019 |
| M & Co Holdings Limited | Financial services | 2019 |
| M & H Survey Services Limited | Professional & scientific | 2007 |
| M & J K Investments Limited | Financial services | 2022 |
| M & J Planning Ltd | Professional & scientific | 2026 |
| M & M Homes (Worcester) Limited | Construction | 2022 |
| M & S Cladding and Window Systems Limited | Water & waste | 2001 |
| M & S Coaches of Herefordshire Limited | Transport & logistics | 2004 |
| M a Williams Electrical Services Limited | Construction | 2014 |
| M a Wyatt Investments Ltd | Construction | 2021 |
| M and F Medical Ltd | Health & social care | 2024 |
| M and H Media Limited | Administrative & support | 2016 |
| M B Technical Services Limited | Information & communication | 2007 |
| M Bennett Plumbing & Heating Ltd | Construction | 2018 |
| M C Ellis Ltd | Manufacturing | 2015 |
| M D Barter Ltd | Professional & scientific | 2026 |
| M D Green Limited | Wholesale & retail | 2015 |
| M E P Design Manager Ltd | Professional & scientific | 2023 |
| M E S Consultancy Ltd | Professional & scientific | 2025 |
| M G Cannon Limited | Manufacturing | 2001 |
| M G Express Freight Limited | Transport & logistics | 2011 |
| M Jahani Ltd | Real estate | 2025 |
| M Jordan Civil Engineering Ltd | Construction | 2013 |
| M Khan Property's Ltd | Real estate | 2025 |
| M Lloyd & Co Ltd | Administrative & support | 2023 |
| M P T Technical Services Limited | Wholesale & retail | 2014 |
| M Q 1 Ltd | Real estate | 2002 |
| M R K Properties Ltd | Real estate | 2017 |
| M T Vans Logistic Ltd | Transport & logistics | 2022 |
| M V Footwear Ltd | Wholesale & retail | 2014 |
| M&A Coachworks Holdings Limited | Wholesale & retail | 2007 |
| M&A Heating and Plumbing Ltd | Construction | 2023 |
| M&A Innovations Ltd | Wholesale & retail | 2025 |
| M&B Property (Worcester) Ltd | Real estate | 2024 |
| M&H Locums Ltd | Health & social care | 2023 |
| M&J Hannon Ltd | Hospitality | 2023 |
| M&J Plant Ltd | Construction | 2026 |
| M&M Mcclusky Limited | Hospitality | 2022 |
| M&R Commercial Services Ltd | Real estate | 2022 |
| M. Cross Construction Limited | Construction | 2020 |
| M. M. B. R. E. (Droitwich) Limited | Real estate | 1986 |
| M. Pinches & Sons Limited | Transport & logistics | 1986 |
| M.A.P Construction and Property Development Limited | Construction | 2017 |
| M.A.S. Management Consultancy Limited | Extraterritorial | 2014 |
| M.I.F. Electrical Limited | Construction | 2013 |
| M.O Energy Transport Ltd | Transport & logistics | 2021 |
| M.S.N. Chemicals Limited | Manufacturing | 1964 |
| M2 Auto Ltd | Wholesale & retail | 2023 |
| M2M (GB) Limited | Professional & scientific | 2000 |
| M33 Food Limited | Hospitality | 2014 |
| M5 Cabs Limited | Transport & logistics | 2024 |
| MA Real Estate Solutions Ltd | Real estate | 2024 |
| MA Steele Ltd | Transport & logistics | 2025 |
| Mably Ventures Ltd | Wholesale & retail | 2025 |
| MAC and Harve Limited | Wholesale & retail | 2026 |
| MAC Live Audio Visual Ltd | Administrative & support | 2022 |
| MAC Logistics & Courier Services Limited | Transport & logistics | 2024 |
| MAC Racing Limited | Arts & recreation | 2019 |
| Macana Limited | Professional & scientific | 1998 |
| Macaque Ltd | Information & communication | 2015 |
| Macduffy (Holdings) Limited | Administrative & support | 2016 |
| Mach Eight 3 Ltd | Transport & logistics | 2015 |
| Macismo Asphalt Innovations Limited | Manufacturing | 2011 |
| Macismo Assets Limited | Real estate | 2017 |
| Macismo International Limited | Professional & scientific | 2004 |
| Maclin (Wychbold) Limited | Professional & scientific | 2012 |
| Macula Media Ltd | Professional & scientific | 2018 |
| MAD Snacks Ltd | Hospitality | 2024 |