| Manchester Seals Limited | Extraterritorial | 2009 |
| Manchester to Dubai Ltd | Education | 2026 |
| Mancunian Works Ltd | Real estate | 2025 |
| Manda Energy Limited | Manufacturing | 2013 |
| Mandanapu Consultancy Services Limited | Information & communication | 2015 |
| Mandari Ltd | Real estate | 2025 |
| Mandem Electrical Services Ltd | Construction | 2005 |
| Mandie Howard Ltd | Health & social care | 2023 |
| Mando Group Limited | Information & communication | 2002 |
| Mane Property Holdings Ltd | Real estate | 2026 |
| Mane Property U.K. Ltd | Real estate | 2021 |
| Manentia Advisory Private Limited | Information & communication | 2023 |
| Maneo-Uk Limited | Wholesale & retail | 2019 |
| Mang Barber Shop Ltd | Other services | 2025 |
| Mangal Liverpool Ltd | Hospitality | 2025 |
| Mango Partnership Ltd | Real estate | 2005 |
| Manhattan Bar & Grill Ltd | Extraterritorial | 2014 |
| Manhattan Bar & Restaurant Ltd | Hospitality | 2024 |
| Manhattan Blinds Ltd | Manufacturing | 2019 |
| Manhattan Chicken Ltd | Hospitality | 2019 |
| Manhattan Place Management Company Limited | Households | 2002 |
| Manhattan Place Residents Company Limited | Households | 2002 |
| Mani in Pasta Ltd | Hospitality | 2025 |
| Mani Logistics Ltd | Transport & logistics | 2024 |
| Mania Media World Ltd | Information & communication | 2011 |
| Manifest Building Developments Limited | Construction | 2022 |
| Manifest Restaurant Limited | Hospitality | 2021 |
| Manifestive CIC | Education | 2023 |
| Manila Ltd | Hospitality | 2025 |
| Manipal Payment and Identity Solutions UK Limited | Manufacturing | 2025 |
| Manish Gupta Limited | Health & social care | 2025 |
| Maniva UK Limited | Professional & scientific | 2017 |
| Manly Estates Limited | Real estate | 2001 |
| Manmade Soul Limited | Information & communication | 1995 |
| Mann Roberts Solicitors Limited | Professional & scientific | 2021 |
| Mannering Grange Limited | Administrative & support | 1998 |
| Mannering ROW Ltd | Real estate | 2025 |
| Mannheim Consultancy Services Limited | Professional & scientific | 2021 |
| Manning Creative Ltd | Professional & scientific | 2021 |
| Manning Homes Limited | Financial services | 2018 |
| Mannion Films Limited | Information & communication | 2013 |
| Mannix (NW) Limited | Real estate | 2018 |
| Mannix Plumbing Heating GAS Ltd | Wholesale & retail | 2018 |
| Manny Services Limited | Real estate | 2023 |
| Manoeuvre Liverpool Limited | Hospitality | 2023 |
| Manolin Ltd | Professional & scientific | 2024 |
| Manolis Yard Management Company Limited | Households | 2001 |
| Manolis Yard Residents Management Company Limited | Households | 2001 |
| Manor Building Solutions Ltd | Construction | 2012 |
| Manor Court Crosby Management Limited | Hospitality | 1997 |
| Manor Farms (IFM) Trading Limited | Professional & scientific | 2017 |
| Manor Farms (MM) Trading Limited | Professional & scientific | 2017 |
| Manor House Properties Limited | Real estate | 1999 |
| Manor Lawson Accountants Ltd | Professional & scientific | 2019 |
| Manor Lawson Properties Limited | Real estate | 2021 |
| Manor Lodge Dairy Products Limited | Wholesale & retail | 2015 |
| Manor Lodge Merseyside Ltd | | 2003 |
| Manor Monumental Co Limited | Construction | 2003 |
| Manor News Ltd | Wholesale & retail | 2025 |
| Manor Road Cafe Limited | Hospitality | 2025 |
| Manorside Properties Limited | Construction | 2004 |
| Manoya Ltd | Wholesale & retail | 2025 |
| Manpool Transfers Ltd | Transport & logistics | 2026 |
| Manrare Limited | Hospitality | 1989 |
| Mansfield Digital Solutions Limited | Information & communication | 2025 |
| Mansio Nova Ltd | Real estate | 2025 |
| Mansion Concepts Limited | Hospitality | 2014 |
| Mansion Holdings Ltd | Real estate | 2023 |
| Mansion Liverpool Limited | Hospitality | 2012 |
| Mantamassage Ltd | Health & social care | 2025 |
| Mantas Properties Limited | Real estate | 2015 |
| Mantixx Ltd | Information & communication | 2025 |
| Mantle Marketing Ltd | Professional & scientific | 2022 |
| Mantra Homes Limited | Construction | 2015 |
| Manu Family Ltd | Real estate | 2023 |
| Manu's Wonderland Limited | Arts & recreation | 2024 |
| Manz Haulage Ltd | Transport & logistics | 2025 |
| Maobcare Ltd | Health & social care | 2025 |
| Maoyier Ltd | Professional & scientific | 2023 |
| MAP Ground Solutions Ltd | Professional & scientific | 2025 |
| MAP Heating & Plumbing Ltd | Construction | 2003 |
| MAP Properties (NW) Limited | Real estate | 2024 |
| MAPALKRIS47 Limited | Health & social care | 2019 |
| Mapgain Limited | Wholesale & retail | 1990 |
| Maphst Ltd | Arts & recreation | 2025 |
| Maple & Acer Landscapes Ltd | Professional & scientific | 2025 |
| Maplecrest Supplies Limited | Wholesale & retail | 2025 |
| Mapleleaf Carpenters Limited | Construction | 2003 |
| Mapleleaf Enterprises Limited | Real estate | 2011 |
| Maplewood Homes (NW) Ltd | Construction | 2025 |
| MAQ Drive Ltd | Hospitality | 2024 |
| Maqsons Limited | Wholesale & retail | 2024 |
| MAR Catering Ltd | Hospitality | 2023 |
| MAR Coaching Limited | Professional & scientific | 2025 |
| MAR Kilshaw Limited | Professional & scientific | 2019 |
| Mar&Ele Limited | Transport & logistics | 2023 |
| Maralto Limited | Information & communication | 2011 |
| Marasol Ltd | Construction | 2019 |
| Maraul Ltd | Hospitality | 2024 |
| Marave Limited | Construction | 2013 |