| Mixology Market Ltd | Wholesale & retail | 2025 |
| MJ 10 Ltd | Real estate | 2023 |
| MJ Build Ltd | Construction | 2024 |
| MJ Cleaning Ltd | Administrative & support | 2024 |
| MJ Interior Contracts Ltd | Construction | 2018 |
| MJ Management Ltd | Professional & scientific | 2024 |
| MJ Property Innovations Ltd | Construction | 2025 |
| Mj&A Construction Ltd | Construction | 2025 |
| Mjaystuff Limited | Wholesale & retail | 2016 |
| MJC Construction & Civils Limited | Construction | 2017 |
| MJD Brickwork (NW) Ltd | Construction | 2015 |
| Mjdb Transport Ltd | Transport & logistics | 2023 |
| MJG Accounts Limited | Professional & scientific | 2006 |
| MJG Joinery Limited | Manufacturing | 2009 |
| MJH Rail Limited | Construction | 2014 |
| MJH1 Ltd | Real estate | 2020 |
| MJK Electrical Solutions Ltd | Construction | 2009 |
| MJK Financial and Commercial Services Limited | Professional & scientific | 2018 |
| Mjka Ltd | Real estate | 2025 |
| MJP Construction Services Limited | Construction | 2024 |
| MJT Professional Services Ltd | Professional & scientific | 2024 |
| MK Autoz Limited | Wholesale & retail | 2025 |
| MK Building Ltd | Other services | 2022 |
| MK Cars & Commercials Ltd | Wholesale & retail | 2025 |
| MK Civils and Groundworks Ltd | Construction | 2023 |
| MK Enterprises NW Limited | Real estate | 2023 |
| MK Optical Services Ltd | Wholesale & retail | 2022 |
| MK Partnership Ltd | Households | 2021 |
| MK SK NW Ltd | Health & social care | 2024 |
| MKA 786 Ltd | Wholesale & retail | 2016 |
| MKB Main Khuda Bukhsh Muslim Death Committe Ltd | Other services | 2026 |
| MKD Group Limited | Administrative & support | 2019 |
| MKF Associates Ltd | Professional & scientific | 2026 |
| MKH CAB Services Ltd | Transport & logistics | 2024 |
| MKH Capital Ltd | Real estate | 2023 |
| MKH Motors Ltd | Wholesale & retail | 2021 |
| Mkhydroclean Ltd | Administrative & support | 2026 |
| MKI Homes Ltd | Real estate | 2025 |
| MKI Sales Ltd | Wholesale & retail | 2025 |
| MKK Comm Ltd | Wholesale & retail | 2026 |
| MKM Motors Limited | Wholesale & retail | 2025 |
| MKM Optical Limited | Health & social care | 2023 |
| Mktb Resources Ltd | Education | 2023 |
| MKW Architecture Ltd | Professional & scientific | 2015 |
| MKZ Repairs Limited | Other services | 2025 |
| ML Shaw Properties Limited | Extraterritorial | 2013 |
| MLC Corporation NW Limited | Real estate | 2024 |
| MLD Property Group Ltd | Real estate | 2022 |
| Mldean Holdings Ltd | Financial services | 2023 |
| MLK Real Estate Ltd | Real estate | 2024 |
| MLW Electrical Services Ltd | Construction | 2021 |
| Mlwpro Ltd | Professional & scientific | 2008 |
| MM Auto Repair Centre Limited | Wholesale & retail | 2016 |
| MM Properties (NW) Ltd | Real estate | 2015 |
| MM Surveillance Systems Ltd | Administrative & support | 2024 |
| Mmas 247 Ltd | Transport & logistics | 2025 |
| MMB Traders Limited | Wholesale & retail | 2018 |
| MMG Garage Services Ltd | Wholesale & retail | 2024 |
| MMH Restaurant Ltd | Hospitality | 2026 |
| MMH Trans Ltd | Transport & logistics | 2026 |
| MMK Financial Consultants Ltd | Professional & scientific | 2025 |
| MMK Management Limited | Administrative & support | 2023 |
| Mmms Services Ltd | Administrative & support | 2025 |
| MMP Transport Ltd | Transport & logistics | 2016 |
| MMS Media Limited | Manufacturing | 2008 |
| Mmu&Co Ltd | Health & social care | 2021 |
| MNB Restaurant Ltd | Hospitality | 2024 |
| MND Property Group Limited | Real estate | 2021 |
| MNH Consultancy Limited | Professional & scientific | 2026 |
| MNJ Autocare Ltd | Wholesale & retail | 2023 |
| MNM Couriers Limited | Transport & logistics | 2025 |
| MNS 4A Limited | Wholesale & retail | 2024 |
| MNY Associates Limited | Professional & scientific | 2017 |
| MO Contracting Limited | Wholesale & retail | 2026 |
| Mo's Fast Food Restaurants Limited | Hospitality | 2025 |
| MO-786 Services Limited | Administrative & support | 2025 |
| MOA Choice African Kitchen Limited | Hospitality | 2023 |
| Mobi Tech Telecommunications & PPE Services Limited | Wholesale & retail | 2013 |
| Mobideals Limited | Wholesale & retail | 2023 |
| Mobile Lifting Solutions Limited | Extraterritorial | 2010 |
| Mobile Maestro Ltd | Wholesale & retail | 2022 |
| Mobile Terminals Ltd | Financial services | 2009 |
| Mobile Tyre Buddy Ltd | Wholesale & retail | 2023 |
| Mobile Tyre Solutions Ltd | Wholesale & retail | 2023 |
| Mobiles 4 U Limited | Wholesale & retail | 2019 |
| Mobiles 4 U Oldham Ltd | Wholesale & retail | 2018 |
| Mobility Link Ltd | Wholesale & retail | 2025 |
| Mobishok Ltd | Wholesale & retail | 2025 |
| Mobiz Medical Limited | Health & social care | 2010 |
| Mobuild Limited | Construction | 2012 |
| Moco Building & Maintenance Ltd | Construction | 2023 |
| Mocono Investments Limited | Other services | 1995 |
| Modamagic Limited | Wholesale & retail | 2025 |
| Modbury Dental Practice Ltd | Health & social care | 2013 |
| Modern Decor (Oldham) Limited | Other services | 2017 |
| Modestluxe Ltd | Wholesale & retail | 2024 |
| Modhubon Express Limited | Hospitality | 2021 |
| Modina Fashion Ltd | Wholesale & retail | 2024 |
| Modlec Electrical Services Ltd | Construction | 2024 |
| Modozo Limited | Wholesale & retail | 2025 |