| Munro Group (Aberdeen) Limited | Financial services | 2024 |
| Munro's Travel Limited | Administrative & support | 2014 |
| Murcar Limited | Construction | 2015 |
| Murdoch Tree Works Ltd | Administrative & support | 2022 |
| Murison Commercials Limited | Wholesale & retail | 1989 |
| Murison Ltd | Extraterritorial | 2025 |
| Muro Testing & Certification UK Limited | Professional & scientific | 2013 |
| Murray & Company Limited | Administrative & support | 2002 |
| Murray Access Ltd | Professional & scientific | 2012 |
| Murray Group Limited | Financial services | 2024 |
| Murray Manor Limited | Hospitality | 2012 |
| Murray Ormiston LLP | | 2019 |
| Murray Properties and Storage Ltd | Real estate | 2025 |
| Murray Property and Storage Limited | Real estate | 2024 |
| Murray Property Management (Scotland) Ltd | Households | 2023 |
| Murray QA Limited | Professional & scientific | 2010 |
| Murray Roofing Services Ltd | Construction | 2026 |
| Murray Wellservices Limited | Professional & scientific | 2014 |
| Murray.Be Ltd | Professional & scientific | 2013 |
| Murtle Market | Other services | 2023 |
| Music Aberdeen Ltd | Arts & recreation | 2022 |
| Music From Scotland Limited | Information & communication | 2021 |
| Mustang Associates Limited | Professional & scientific | 1990 |
| Mustang Engineering Limited | Professional & scientific | 2004 |
| Mutam Ltd | Hospitality | 2019 |
| Mutara Consulting Ltd | Professional & scientific | 2025 |
| Mutch Better Services Limited | Hospitality | 2005 |
| Muthercutter Limited | Information & communication | 2006 |
| Mutley Enterprises Limited | Hospitality | 2014 |
| Muytos Holdings Ltd | Wholesale & retail | 2026 |
| MVM Holdings Ltd | Financial services | 2026 |
| MW Prestige Engineering Ltd | Professional & scientific | 2019 |
| Mwmc Ltd | Administrative & support | 2011 |
| Mwnw Consulting Limited | Administrative & support | 2018 |
| MWS Asset Ltd | Professional & scientific | 2021 |
| My Goods by Tilda Ltd | Wholesale & retail | 2023 |
| My Spice Shop Ltd | Wholesale & retail | 2022 |
| My Story Rocks Ltd | Manufacturing | 2014 |
| My Warehouse Direct Ltd | Wholesale & retail | 2017 |
| MYA Recruitment Solutions Limited | Administrative & support | 2010 |
| Myadom Limited | Health & social care | 2019 |
| Myco Energy Limited | Mining & quarrying | 2025 |
| Myco Fibres Limited | Manufacturing | 2026 |
| Myco Filaments Limited | Manufacturing | 2026 |
| Myco Fracture Technologies Limited | Agriculture & fishing | 2026 |
| Myco Laboratories Limited | Professional & scientific | 2025 |
| Myco Ventures Limited | Financial services | 2025 |
| Myconourish Limited | Professional & scientific | 2018 |
| Mycovitality Limited | Manufacturing | 2026 |
| Myfuture LLP | | 2009 |
| Mykasa Estate Ltd | Real estate | 2023 |
| Mykatie Ltd | Professional & scientific | 2017 |
| Myreside Ltd | Hospitality | 2019 |
| Myriad Direct Limited | Wholesale & retail | 2020 |
| Myrus Golf Company Limited | Arts & recreation | 2005 |
| Mystical Rose Properties Ltd | Real estate | 2025 |
| MZD Engineering Services Ltd | Professional & scientific | 2018 |
| N & S Enterprise Aberdeen Limited | Real estate | 2024 |
| N a Enamel Pearls Limited | Health & social care | 2017 |
| N Davidson Hseq Consultant Ltd | Professional & scientific | 2024 |
| N E Fast Foods Ltd | Hospitality | 2022 |
| N G Jackson Consulting Ltd | Mining & quarrying | 2023 |
| N Gordon Installations Limited | Construction | 2023 |
| N Hastie Photography Ltd | Professional & scientific | 2024 |
| N J Webster Limited | Professional & scientific | 2015 |
| N Pizza Ltd | Hospitality | 2023 |
| N Reid Ltd | Health & social care | 2018 |
| N S Wilson Limited | Wholesale & retail | 2010 |
| N Sainsbury & Sons Limited | Wholesale & retail | 2022 |
| N Sea Engineers Limited | Professional & scientific | 2018 |
| N ZIA Holdings Limited | Real estate | 2025 |
| N&C Ventures Ltd | Wholesale & retail | 2025 |
| N&Ca Limited | Construction | 2018 |
| N. Donald Services Ltd. | Construction | 1997 |
| N.E. Desserts Ltd. | Hospitality | 2017 |
| N.E.R.E.C. Ltd | Administrative & support | 2022 |
| N.E.S Table Tennis Limited | Education | 2025 |
| N.G. & E. Murray Limited | Real estate | 1994 |
| N.Hird DC Services Ltd | Administrative & support | 2022 |
| N1 Precision Engineering Ltd | Manufacturing | 2025 |
| N2 Redevelopment Ltd | Other services | 2012 |
| N22 Transport Ltd | Transport & logistics | 2024 |
| Na-Na Nails & Beauty Ltd | Other services | 2019 |
| Nacnud Engineering Limited | Professional & scientific | 2022 |
| Nadarra Ventures Limited | Real estate | 2024 |
| NAE Just Spuds Ltd | Hospitality | 2025 |
| Nagendra Indian Restaurant Ltd | Hospitality | 2017 |
| Nail Style 87 Ltd | Other services | 2026 |
| Nail World Aberdeen Ltd | Other services | 2025 |
| Nainer Ltd | Health & social care | 2021 |
| Nais Industrial Services Limited | Manufacturing | 2020 |
| NAJ Holdings Limited | Financial services | 2025 |
| Najamuddin Denticare Ltd | Health & social care | 2021 |
| Naked Pride Limited | Other services | 2017 |
| Nalan's Homefood Limited | Manufacturing | 2024 |
| Namaka Compliance Ltd | Other services | 2020 |
| Namaka Subsea Ltd | Professional & scientific | 2013 |
| Nammy Ltd | Other services | 2025 |
| Nanda Clinics Limited | Health & social care | 2023 |
| Nanore Ltd | Hospitality | 2025 |