| MFG Facilities Management Ltd | Professional & scientific | 2026 |
| MFG M&E Solutions Ltd | Construction | 2026 |
| MFK Chase Limited | Wholesale & retail | 2026 |
| Mfkd Limited | Real estate | 2024 |
| MFL Takeaway Ltd | Hospitality | 2024 |
| MFL Traditional Roofing Ltd | Construction | 2021 |
| Mfos Limited | Construction | 2016 |
| MFP Property Group Ltd | Real estate | 2025 |
| MFR Cutz Limited | Other services | 2024 |
| MG (NW) Couriers Limited | Transport & logistics | 2018 |
| MG Airbnb Ltd | Hospitality | 2022 |
| MG Artwork Limited | Wholesale & retail | 2025 |
| MG Civils Ltd | Construction | 2019 |
| MG Dental Care Limited | Health & social care | 2023 |
| MG Global Ltd | Professional & scientific | 2024 |
| MG Ground Maintenance Limited | Administrative & support | 2024 |
| MG Health and Fitness CIC | Other services | 2025 |
| MG Lotus Ltd | Information & communication | 2019 |
| MG Northway Limited | Hospitality | 2021 |
| MG OIL Waste Ltd | Water & waste | 2022 |
| MG Outfit Ltd | Manufacturing | 2017 |
| MG Property Managment Ltd | Real estate | 2025 |
| MG Store Limited | Wholesale & retail | 2013 |
| MG Telecomms Limited | Manufacturing | 2015 |
| MG Venues Limited | Hospitality | 2023 |
| Mg-Ic Wellness Ltd | Wholesale & retail | 2026 |
| MGA Import Ltd | Wholesale & retail | 2025 |
| MGA Landscaping & Paving Ltd | Administrative & support | 2022 |
| Mgabhi Limited | Health & social care | 2022 |
| MGC Site Engineering Limited | Construction | 2007 |
| MGD Developments Limited | Construction | 2007 |
| MGI Property Management Limited | Real estate | 2025 |
| Mgjp Ltd | Information & communication | 2015 |
| MGK Housing Ltd | Real estate | 2023 |
| MGL Hardware Limited | Education | 2010 |
| MGM Garage Limited | Wholesale & retail | 2006 |
| MGM Letting Limited | Real estate | 2009 |
| MGM Rail (NW) Limited | Other services | 2019 |
| Mgma Architects Limited | Professional & scientific | 2011 |
| Mgmm Studios Ltd | Administrative & support | 2016 |
| MGP Legal Consultancy Limited | Administrative & support | 2014 |
| Mgpm Holdings Limited | Financial services | 2020 |
| Mgpm Liverpool Ltd | Real estate | 2019 |
| MGS Estates (UK) Ltd | Real estate | 1999 |
| MGS Finance & Trading Limited | Real estate | 2013 |
| MGS Services NW Limited | Construction | 2023 |
| MGT GRP Ltd | Real estate | 2025 |
| Mgym Limited | Arts & recreation | 2014 |
| Mgym Property Limited | Real estate | 2019 |
| MH Abodes Ltd | Hospitality | 2025 |
| MH GAS Service Ltd | Construction | 2023 |
| MH Harrisons Consult Ltd | Hospitality | 2023 |
| MH Music Ltd | Education | 2021 |
| Mh&C Accountancy Limited | Professional & scientific | 2018 |
| Mh&C Investments Limited | Extraterritorial | 2024 |
| MHA 26 Limited | Hospitality | 2026 |
| Mharblearch Limited | Information & communication | 2025 |
| MHB Property Management Ltd | Real estate | 2024 |
| MHD Prestige Ltd | Administrative & support | 2024 |
| MHD Solutions Limited | Real estate | 2009 |
| Mhdesign Bangladesh 1971 Ltd | Manufacturing | 2021 |
| MHG Delivery Limited | Professional & scientific | 2024 |
| Mhgk Ltd | Arts & recreation | 2021 |
| Mhklc Trading Limited | Professional & scientific | 2017 |
| MHM YOU Matter CIC | Information & communication | 2026 |
| Mhol Construction Ltd | Construction | 2023 |
| MHR Istanbul Ltd | Administrative & support | 2018 |
| MHS Builders Ltd | Administrative & support | 2017 |
| MHW Anderson Ltd | Financial services | 2025 |
| MHW Mortgages Limited | Financial services | 2022 |
| MI Amor Official Fashion Limited | Wholesale & retail | 2025 |
| MI Collective Limited | Education | 2017 |
| MI Consultant Ltd | Professional & scientific | 2019 |
| MI Veda Properties Ltd | Construction | 2007 |
| MI20 Services Limited | Wholesale & retail | 2025 |
| MIA Belle Collection Ltd | Wholesale & retail | 2022 |
| MIA Mendi Ltd. | Information & communication | 2014 |
| MIA Trading (NW) Ltd | Wholesale & retail | 2014 |
| MIA UK Trading Limited | Wholesale & retail | 2014 |
| Miamourofficials Ltd | Wholesale & retail | 2026 |
| Mianda Enterprises Ltd | Extraterritorial | 2012 |
| Mianengineerings Ltd | Wholesale & retail | 2026 |
| Mianr Co Limited | Information & communication | 2024 |
| Miat Ltd | Real estate | 2022 |
| Micgd Ltd | Real estate | 2011 |
| Michael Burnett Building & Joinery Ltd | Construction | 2024 |
| Michael C Holt Limited | Other services | 2007 |
| Michael Fish Bar Limited | Hospitality | 2020 |
| Michael Franks Collective Ltd | Other services | 2025 |
| Michael George Property Investments Ltd | Real estate | 2025 |
| Michael Head & Treb Ltd | Information & communication | 2022 |
| Michael Henney Limited | Administrative & support | 2017 |
| Michael Mackenzie Ltd | Real estate | 2019 |
| Michael Niven Financial Services Limited | Professional & scientific | 2025 |
| Michael Riley Limited | Financial services | 2016 |
| Michael Scott Container Bar Company Limited | Hospitality | 2021 |
| Michael Smith Services Ltd | Education | 2025 |
| Michael Thomas Services Ltd | Professional & scientific | 2024 |
| Michael Topping Limited | Professional & scientific | 1998 |
| Michael's Garden Ltd | Wholesale & retail | 2025 |