| Mokha Ladies Hair Design Ltd | Other services | 2012 |
| Momentum Marketing Group Ltd | Professional & scientific | 2025 |
| Momo Homes Limited | Real estate | 2018 |
| Monan Wind Company Limited | Energy | 2013 |
| Money Tree Competitions Limited | Arts & recreation | 2020 |
| Moonbeam Bakes Ltd | Manufacturing | 2024 |
| Moorlands Financial Services Ltd | Financial services | 2008 |
| Morley Landscapes Ltd | Administrative & support | 2025 |
| Morphfit Gentle Movement Project Ltd | Public administration | 2020 |
| Morris Property Management Limited | Real estate | 2015 |
| Mortez Tattoo Ltd | Other services | 2019 |
| Mortgage Information Centre Limited | Financial services | 2002 |
| Mortgage World (NO.1) LLP | | 2009 |
| Morton Mortgages Limited | Financial services | 2019 |
| Morxol (Marine) Limited | Construction | 1981 |
| Morxol Properties Limited | Construction | 2024 |
| Mosesten Brilliant Ltd | Construction | 2019 |
| Moth Systems Limited | Professional & scientific | 2010 |
| Motherwell Supervisory Services Limited | Construction | 2016 |
| Motorhome Life Ltd | Administrative & support | 2022 |
| Mount Tech Ltd | Wholesale & retail | 2022 |
| MP Signature Stays Limited | Real estate | 2026 |
| MPC (Scotland) Ltd | Transport & logistics | 2019 |
| MPM Energy Solutions Limited | Professional & scientific | 2023 |
| MPY Arts Ltd | Professional & scientific | 2023 |
| MR & MRS Khan Ltd | Real estate | 2026 |
| MR Cassamo Ltd | Hospitality | 2023 |
| MR Catering SCO Ltd | Hospitality | 2018 |
| MR Cool Limited | Wholesale & retail | 2015 |
| MR Land Rover MAN Limited | Wholesale & retail | 2025 |
| MR Multi Mart Ltd | Wholesale & retail | 2026 |
| MR Price CUT Limited | Wholesale & retail | 1984 |
| MR Woky Ltd | Hospitality | 2023 |
| MRH Electrical (Lanarkshire) Ltd | Construction | 2019 |
| MRL Kennedies Farm LLP | | 2021 |
| MRT Loft & Panel Solutions Ltd | Wholesale & retail | 2021 |
| MS Catering (Scotland) Ltd | Hospitality | 2016 |
| MS Electrical Scotland Ltd | Construction | 2023 |
| MSC Publishing & Design Limited | Information & communication | 2010 |
| MSM ML3 Limited | Hospitality | 2022 |
| Mstar International Exports Ltd | Construction | 2019 |
| Msvo Limited | Administrative & support | 2023 |
| MT Environmental Consultants Ltd | Professional & scientific | 2021 |
| MT Taverns Ltd | Hospitality | 2024 |
| MTB Venues Ltd | Hospitality | 2025 |
| MTB Visual Ltd | Professional & scientific | 2024 |
| Muir ST Studios Limited | Other services | 2025 |
| Mulligan & Leighton Investments Limited | Financial services | 2023 |
| Multi Packaging Solutions International Limited | | 2016 |
| Mundh Group Ltd | Hospitality | 2026 |
| Mundipharma International (Bermuda) Limited | | 2021 |
| Mundipharma International Corporation Limited | | 2021 |
| Mundipharma Laboratories Limited | | 2021 |
| Mundipharma Limited | | 2021 |
| Munex Ltd | Transport & logistics | 2025 |
| Murdoch Motor Engineering Ltd | Wholesale & retail | 2018 |
| Murf Prodevelop Group Ltd | Real estate | 2022 |
| Murphy and Semple Production Ltd | Administrative & support | 2025 |
| Murphy Childcare Ltd | Health & social care | 2025 |
| Murray Brothers (Scotland) Ltd | Real estate | 2021 |
| Murray Marketing Limited | Other services | 2023 |
| Murray Recruitment Limited | Administrative & support | 2010 |
| Murray Talent Limited | Administrative & support | 2016 |
| Murrsell Electrical Solutions Limited | Construction | 2016 |
| Music Makers & Shakers Ltd | Education | 2015 |
| MVS Consultants Ltd | Construction | 2024 |
| My Robot Limited | Other services | 2020 |
| Myatt Housing Ltd | Real estate | 2021 |
| Mycareerandi Ltd | Information & communication | 2024 |
| Mylittlebb Ltd | Wholesale & retail | 2016 |
| Mysun Limited | Other services | 2010 |
| MYX Catering Ltd | Hospitality | 2026 |
| MZ Management Consultancy Ltd | Professional & scientific | 2025 |
| N & P Flooring Scotland Ltd | Wholesale & retail | 2025 |
| N P Hannity Ltd | Administrative & support | 2010 |
| N&S Removals Ltd | Water & waste | 2025 |
| NA2 Properties Ltd | Wholesale & retail | 2024 |
| NAF Property Ltd | Real estate | 2019 |
| Nafa Real Estate Limited | Real estate | 1998 |
| Nafa Stores Ltd | Wholesale & retail | 2019 |
| Nair Surgical Services Limited | Health & social care | 2017 |
| Najm Foods Ltd | Hospitality | 2025 |
| Namastealba Tours Ltd | Administrative & support | 2026 |
| Napexmedia Ltd | Wholesale & retail | 2023 |
| Naram Technology Limited | Information & communication | 2023 |
| NAT Shipping Bagging Services Limited | | 1996 |
| Nathan Real Estate Ltd | Real estate | 2021 |
| Nathanielg Ltd | Transport & logistics | 2026 |
| National MDF Limited | Manufacturing | 2026 |
| National Skirting Limited | Manufacturing | 2022 |
| Natural Contour Clinic Ltd | Other services | 2026 |
| Nautical Management Ltd. | | 2021 |
| NAV Durga Properties Ltd | Real estate | 2018 |
| Naveen PVT Ltd | Hospitality | 2024 |
| NC Energy Limited | Professional & scientific | 2024 |
| NC Resources Limited | Education | 2012 |
| NCL Corporation Ltd. | | 2013 |
| NDH Property Limited | Real estate | 2025 |
| Near CAB Ltd | Hospitality | 2025 |
| Neeyoo Ltd | Professional & scientific | 2025 |