| M S Properties and Developments Ltd | Real estate | 2025 |
| M Said Holdings Limited | Financial services | 2026 |
| M T Investment & Estates Ltd | Households | 2025 |
| M Tahir Pharma Ltd | Professional & scientific | 2025 |
| M U a Properties Limited | Real estate | 2022 |
| M W I Finance Limited | Professional & scientific | 2019 |
| M Y Transport (Bradford) Limited | Other services | 2018 |
| M Yousaf Holdings Ltd | Real estate | 2026 |
| M Zeshan Locums Ltd | Health & social care | 2025 |
| M&A Bros Ltd | Wholesale & retail | 2021 |
| M&A Forecourts Ltd | Wholesale & retail | 2025 |
| M&C Educational Training Services Ltd | Education | 2015 |
| M&D Dhaliwal Properties Limited | Real estate | 2023 |
| M&E Roofing Ltd | Construction | 2022 |
| M&H Discounted Sales Ltd | Wholesale & retail | 2025 |
| M&H Living Ltd | Wholesale & retail | 2021 |
| M&I Carpets Ltd | Wholesale & retail | 2021 |
| M&J Coaching Ltd | Arts & recreation | 2022 |
| M&J Housing and Rental Ltd | Real estate | 2025 |
| M&J Housing Ltd | Real estate | 2025 |
| M&L Cleaning Solutions Ltd | Administrative & support | 2025 |
| M&L Elec Ltd | Manufacturing | 2021 |
| M&M Ceramics Ltd | Wholesale & retail | 2019 |
| M&M Fashion Limited | Wholesale & retail | 2017 |
| M&M Furnishing Limited | Other services | 2025 |
| M&M Marketing Management Ltd | Information & communication | 2013 |
| M&M Metal Fabrications (Bradford) Limited | Manufacturing | 2017 |
| M&M Metal Fabrications Limited | Manufacturing | 2013 |
| M&M Property (Co.) Ltd | Real estate | 2026 |
| M&M Property (Stoke) Limited | Real estate | 2018 |
| M&N Financial Services Limited | Administrative & support | 2018 |
| M&Nf Properties Limited | Households | 2025 |
| M&R Delights Limited | Wholesale & retail | 2019 |
| M&R Your Beauty Ltd | Other services | 2021 |
| M&S Bags Ltd | Wholesale & retail | 2024 |
| M&Y Enterprise Ltd | Transport & logistics | 2022 |
| M'S Angels Ltd | Public administration | 2025 |
| M-Estates (UK) Limited | Real estate | 2006 |
| M. Abid Ltd | Wholesale & retail | 2022 |
| M.A Luxe Beds Ltd | Manufacturing | 2024 |
| M.A Smart Trading Ltd | Wholesale & retail | 2025 |
| M.A.Baz Limited | Health & social care | 2016 |
| M.A.C Air Conditioning Ltd | Construction | 2018 |
| M.A.E.M. Limited | Real estate | 2013 |
| M.A.N.U.A.L Ltd | Households | 2026 |
| M.A.S.Properties (Leeds) Limited | Real estate | 2004 |
| M.B. Appleton Limited | Extraterritorial | 1976 |
| M.Bashir Group Limited | Real estate | 2025 |
| M.C.C. (Manchester Road) Ltd | Wholesale & retail | 2002 |
| M.C.C. (Valley Parade) Ltd | Wholesale & retail | 2003 |
| M.D.Brewer Construction Ltd | Construction | 2022 |
| M.G.A.R Ltd | Wholesale & retail | 2026 |
| M.H Legal Work Consultants Ltd | Professional & scientific | 2016 |
| M.Halim Estates (UK) Ltd | Real estate | 2017 |
| M.I.K Plumbing, GAS & Renovations Ltd | Construction | 2025 |
| M.J Motor Group Limited | Wholesale & retail | 2022 |
| M.J.A Store Ltd | Wholesale & retail | 2025 |
| M.J.Hussain Healthcare Ltd | Health & social care | 2017 |
| M.Master Goods Limited | Wholesale & retail | 2023 |
| M.N. Halal Poultry Ltd | Wholesale & retail | 2020 |
| M.Q.A.H Ltd | Professional & scientific | 2017 |
| M.Qamar Locum Ltd | Health & social care | 2024 |
| M.S Utilities Ltd | Professional & scientific | 2023 |
| M.S.K.L Chauffeur Ltd | Transport & logistics | 2024 |
| M.T.B.B. Ltd | Construction | 2015 |
| M.U Muhabbat Limited | Wholesale & retail | 2026 |
| M.Y. Imports Limited | Wholesale & retail | 2023 |
| M/S Market Place Ltd | Other services | 2026 |
| M1 Consultancy Limited | Professional & scientific | 2025 |
| M1 Engineering Holdings Limited | Financial services | 1997 |
| M4 Holdingz Ltd | Financial services | 2025 |
| M5 Limited | Professional & scientific | 2000 |
| M6 Competent Care Ltd | Health & social care | 2020 |
| M606EXECUTIVETRAVEL Ltd | Transport & logistics | 2022 |
| M7 Customz Limited | Wholesale & retail | 2022 |
| M@Bs Finest Halal Catering Butchers Limited | Manufacturing | 2014 |
| MA & AA Khan Ltd | Professional & scientific | 2022 |
| MA & Co Enterprises Ltd | Hospitality | 2024 |
| MA Alam Properties Ltd | Real estate | 2026 |
| MA Autos BFD Ltd | Wholesale & retail | 2026 |
| MA Autos Bradford Limited | Wholesale & retail | 2019 |
| MA Car Rentals Ltd | Administrative & support | 2025 |
| MA Carpets & Furniture Ltd | Wholesale & retail | 2016 |
| MA Constructions Bradford Ltd | Construction | 2025 |
| MA Enterprise Group Ltd | Wholesale & retail | 2021 |
| MA General Services Ltd | Transport & logistics | 2025 |
| MA Hair & Beauty Ltd | Other services | 2024 |
| MA Investments and Properties Ltd | Real estate | 2025 |
| MA Marketing Solutions Ltd | Professional & scientific | 2025 |
| MA Mborough Limited | Hospitality | 2026 |
| MA Perfect Holidays Co Ltd | Administrative & support | 2025 |
| MA Pollys Ltd | Hospitality | 2018 |
| MA Properties (Bradford) Limited | Real estate | 2020 |
| MA Property Investment & Consultancy Ltd | Real estate | 2021 |
| MA Skyline Ltd | Wholesale & retail | 2025 |
| MA Trade Group Limited | Wholesale & retail | 2024 |
| MA Vanguard Ltd | Wholesale & retail | 2026 |
| Ma'An Design Limited | Real estate | 2016 |
| Ma-Desispice Ltd | Hospitality | 2025 |
| MAA Care Services Ltd | Health & social care | 2025 |