| Lugano Limited | Information & communication | 1996 |
| Lysander Websites Ltd | Information & communication | 2007 |
| M & a Services Limited | Manufacturing | 1992 |
| M & H Building Services Limited | Construction | 2006 |
| M and T Duffy Contractors Limited | Construction | 2003 |
| M F Proudler Limited | Administrative & support | 2002 |
| M. & a. Packaging Services Limited | Manufacturing | 1985 |
| M. & H. Plastics (Holdings) Limited | Professional & scientific | 1996 |
| M.K. Products Ltd | Transport & logistics | 1998 |
| M.N. Autos (UK) Ltd | Wholesale & retail | 2003 |
| Mablemead Limited | Professional & scientific | 1998 |
| Magic Match Limited | Manufacturing | 2003 |
| Magnetic Contracts Limited | Professional & scientific | 1997 |
| Main Event Catering Limited | Hospitality | 1992 |
| Malvern Boilers Limited | Manufacturing | 1991 |
| Malvern College Enterprises Limited | Arts & recreation | 1992 |
| Malvern Medical Developments Limited | Manufacturing | 1998 |
| Malvern Scaffolding Limited | Construction | 2007 |
| Malvern Skyline Limited | Professional & scientific | 1988 |
| Manning Enterprises Limited | Information & communication | 1998 |
| Manor Developments (Tenbury Wells) Limited | Construction | 1996 |
| Manorial Heritage Limited | Real estate | 1986 |
| Mapp Holdings Limited | Professional & scientific | 2006 |
| Marches Solutions Ltd | Information & communication | 2012 |
| Margarita Yachts Limited | Transport & logistics | 2026 |
| Marlgrove Motel Restaurant & Club | | 2002 |
| Marlow Ropes Limited | Manufacturing | 2005 |
| Marnic Properties Limited | Real estate | 2005 |
| Massimo UK Limited | Other services | 2007 |
| Matthew Kelly (Building Contractors) Ltd | Construction | 2005 |
| MBG 10 Ltd | Real estate | 2024 |
| MBG 11 Ltd | Real estate | 2025 |
| MBG 12 Ltd | Real estate | 2025 |
| MBG 13 Ltd | Real estate | 2025 |
| MBG 14 Ltd | Real estate | 2025 |
| MBG 15 Ltd | Real estate | 2025 |
| MBG 16 Ltd | Real estate | 2025 |
| MBG 17 Ltd | Real estate | 2025 |
| MBG 18 Ltd | Real estate | 2025 |
| MBG 19 Ltd | Real estate | 2025 |
| MBG 2 Ltd | Real estate | 2023 |
| MBG 20 Watermark Limited | Households | 2023 |
| MBG 22 Ltd | Real estate | 2025 |
| MBG 23 Ltd | Real estate | 2025 |
| MBG 24 Ltd | Households | 2025 |
| MBG 26 Ltd | Households | 2025 |
| MBG 27 Ltd | Households | 2025 |
| MBG 28 Ltd | Households | 2025 |
| MBG 29 Ltd | Households | 2025 |
| MBG 3 Ltd | Households | 2024 |
| MBG 30 Ltd | Households | 2025 |
| MBG 31 Ltd | Households | 2025 |
| MBG 32 Ltd | Households | 2025 |
| MBG 33 Ltd | Households | 2025 |
| MBG 34 Ltd | Households | 2025 |
| MBG 35 Ltd | Households | 2025 |
| MBG 36 Ltd | Households | 2025 |
| MBG 37 Ltd | Households | 2025 |
| MBG 38 Ltd | Households | 2025 |
| MBG 39 Ltd | Households | 2025 |
| MBG 4 Ltd | Real estate | 2024 |
| MBG 40 Ltd | Households | 2026 |
| MBG 41 Ltd | Households | 2026 |
| MBG 42 Ltd | Households | 2026 |
| MBG 43 Ltd | Households | 2026 |
| MBG 44 Ltd | Households | 2026 |
| MBG 45 Ltd | Households | 2026 |
| MBG 46 Ltd | Households | 2026 |
| MBG 47 Ltd | Households | 2026 |
| MBG 48 Ltd | Households | 2026 |
| MBG 5 Ltd | Real estate | 2024 |
| MBG 6 Ltd | Real estate | 2024 |
| MBG 8 Ltd | Real estate | 2024 |
| MBG 9 Ltd | Real estate | 2024 |
| MBG Investment Group Ltd | Financial services | 2023 |
| MBG Trading Group Ltd | Professional & scientific | 2023 |
| MBG1 Ltd | Real estate | 2023 |
| Mbmg Limited | Professional & scientific | 2019 |
| MCC Automation Limited | Professional & scientific | 2007 |
| MD Consultants Ltd | Professional & scientific | 2002 |
| Meadowfields Ground Maintenance Limited | Administrative & support | 2003 |
| Mediaflex Limited | Administrative & support | 2011 |
| Mekari Collective CIC | Education | 2024 |
| Mellgate Limited | Real estate | 2018 |
| Mellow Colour Limited | Information & communication | 2004 |
| Mentor Training & Consultancy Limited | Information & communication | 2006 |
| Merlin Capital Ltd | Financial services | 2016 |
| Merlin Developments Ltd | Construction | 2016 |
| Merlin Financial Services Ltd | Financial services | 2001 |
| Merrick & Co (Accountants) Limited | Professional & scientific | 2002 |
| Metal Pressings Group (Holdings) Limited | Manufacturing | 1996 |
| Metro Float Limited | Wholesale & retail | 2002 |
| Mettis Aerospace (Holdings) Limited | Professional & scientific | 2000 |
| Mettis Aerospace Limited | Manufacturing | 1996 |
| Michael Bell Financial Planning Ltd | Financial services | 2005 |
| Mickisoft Limited | Information & communication | 1999 |
| Micky's Chippy Limited | Wholesale & retail | 2004 |
| Midland Arab Group Ltd. | Other services | 2004 |
| Midland Arboricultural and Woodland Services Limited | Agriculture & fishing | 2003 |
| Midland Automobile Club (EST. 1901) Limited | Arts & recreation | 1976 |