| Mosob Cafe Limited | Hospitality | 2024 |
| Moss & Kerr Properties Ltd | Real estate | 2018 |
| Moss Company Holdings Ltd | Health & social care | 2016 |
| Moss Landscaping NW Limited | Administrative & support | 2018 |
| Moss Lane Hand Car Wash Limited | Administrative & support | 2025 |
| Moss Lane Mini Market Ltd | Wholesale & retail | 2025 |
| Moss Lane Projects Ltd | Real estate | 2026 |
| Moss Lane Tyres Ltd | Wholesale & retail | 2025 |
| Moss LEA Estates Association Limited | Households | 1978 |
| Moss Street Holdings Limited | Real estate | 2025 |
| Moss Way PUB Limited | Hospitality | 2017 |
| Mossbank Inns Ltd | Hospitality | 2018 |
| Mosscroft Childcare Ltd | Education | 2013 |
| Mossfam Ltd | Administrative & support | 2022 |
| Mossfield Management Company Limited | Households | 2003 |
| Mossley Apartments Management Limited | Real estate | 2019 |
| Mossley Contractors Limited | Real estate | 1997 |
| Mossley Court Management Limited | Households | 1985 |
| Mossley Estates Limited | Real estate | 1997 |
| Mossley Hill Care Home Limited | Construction | 2025 |
| Mossley Hill Care Limited | Health & social care | 2025 |
| Mossley Hill Driving School Limited | Education | 2024 |
| Mossley Hill Go Local Ltd | Wholesale & retail | 2017 |
| Mossley Hill Investments Claremont Ltd | Real estate | 2019 |
| Mossley Hill Investments Ltd | Real estate | 2016 |
| Mossley Hill Management Limited | Households | 1999 |
| Mossley Hill Mansions Limited | Construction | 2026 |
| Mossley Hill Plumbers Ltd | Construction | 2019 |
| Mossley Hill Residences Limited | Construction | 2025 |
| Mossley Hill Superstore Ltd | Wholesale & retail | 2024 |
| Mossley Homes Limited | Construction | 2015 |
| Mosspits Fitness Studio Ltd | Arts & recreation | 2017 |
| Mosspits Properties Ltd | Real estate | 2006 |
| Mossway Store Ltd | Wholesale & retail | 2021 |
| Most Solutions Limited | Other services | 2023 |
| Mostyn Village Ltd | Real estate | 2020 |
| Mother & Father Limited | Real estate | 2025 |
| Mother Holdings Limited | Financial services | 2026 |
| Motif Productions Limited | Professional & scientific | 2010 |
| Motion CGI Limited | Professional & scientific | 2012 |
| Motion Safe Limited | Public administration | 2021 |
| Motionequip Rentals Ltd | Administrative & support | 2025 |
| Motionsacademy Ltd | Education | 2026 |
| Motionscreative Ltd | Information & communication | 2026 |
| Motiva Group Ltd | Water & waste | 2025 |
| Motobull Ltd | Wholesale & retail | 2019 |
| Motocarb Ltd | Administrative & support | 2010 |
| Motor Change Ltd | Wholesale & retail | 2021 |
| Motor Claims Legal Ltd | Professional & scientific | 2025 |
| Motor Club Ltd | Wholesale & retail | 2020 |
| Motor Packaging Limited | Professional & scientific | 2022 |
| Motorcycle Accident Management Services Limited | Professional & scientific | 2008 |
| Motorcycling Accident Management Services Limited | Administrative & support | 2017 |
| Motorhub Northwest Ltd | Wholesale & retail | 2019 |
| Motorneeds Ltd | Wholesale & retail | 2011 |
| Motorsalesliverpool Ltd | Wholesale & retail | 2016 |
| Motorview Ltd | Wholesale & retail | 2025 |
| Motorway Courier Ltd | Transport & logistics | 2025 |
| MOTOX1 Motocross ATV Ltd | Other services | 2016 |
| Mottram Autos Limited | Wholesale & retail | 2021 |
| Mottram Decorators Limited | Construction | 2007 |
| Mouat Developments Ltd | Real estate | 2024 |
| Mouat Holdings Limited | Real estate | 2024 |
| Moulana Cafenitea Ltd | Hospitality | 2025 |
| Moulana Community CIC | Education | 2019 |
| Mouldbusters (UK) Ltd | Health & social care | 2025 |
| Moulin Food Ltd | Hospitality | 2019 |
| Mount Crescent NW Ltd | Other services | 2026 |
| Mount Farm Solar Extension Limited | Energy | 2021 |
| Mount Group Capital Ltd | Financial services | 2017 |
| Mount Group Construction Holdings Limited | Financial services | 2022 |
| Mount Group Construction Ltd | Construction | 2017 |
| Mount Group Estates Ltd | Real estate | 2017 |
| Mount Group Homes Ltd | Construction | 2015 |
| Mount Group Investments Limited | Real estate | 2022 |
| Mount Group Lettings Ltd | Real estate | 2016 |
| Mount Group Management Ltd | Real estate | 2016 |
| Mount Group Operations Ltd | Hospitality | 2017 |
| Mount Group Student Innovo Limited | Real estate | 2016 |
| Mount Group Student Vista Leases Ltd | Real estate | 2017 |
| Mount Hawke Ltd | Professional & scientific | 2024 |
| Mount Market Ltd | Wholesale & retail | 2025 |
| Mount Pleasant Liverpool Limited | Real estate | 2012 |
| Mount Pleasant Properties (Lpool) Limited | Construction | 2005 |
| Mount Pleasant Property Services CIC | Real estate | 2023 |
| Mount Property Group Holdings Limited | Financial services | 2020 |
| Mount ST Mary's | Education | 2006 |
| Mountain Events and Maintenance Ltd | Administrative & support | 2021 |
| Mountain Heaven Holdings Ltd | Financial services | 2020 |
| Mountain Mama Coffee Ltd | Hospitality | 2023 |
| Mountain Rose Care Ltd | Health & social care | 2024 |
| Mountain Tech Ltd | Wholesale & retail | 2022 |
| Mountain Water Expeditions Limited | Education | 2019 |
| Mountainfresh Limited | Extraterritorial | 2008 |
| Mountech Clothing Ltd | Wholesale & retail | 2023 |
| Mountfield Consultants Ltd | Professional & scientific | 2021 |
| Mountwood Trade Frame Ltd | Other services | 2013 |
| Mouve Active Ltd | Wholesale & retail | 2023 |
| Mova Corporation Ltd | Wholesale & retail | 2017 |
| Move & Improve Wellbeing Ltd | Health & social care | 2024 |