| Mungombe Consulting Ltd | Professional & scientific | 2022 |
| Municipal Treasury Exchange Limited | Financial services | 2020 |
| Munitions Audio Ltd | Information & communication | 2026 |
| Munlochy LP | | 2012 |
| Munro Bridging Finance Limited | Financial services | 2005 |
| Munro Coffee Group Ltd | Hospitality | 2025 |
| Munro Medical Education Ltd | Education | 2026 |
| Munro Mortgages Limited | Financial services | 2026 |
| Munro Roofing Services Ltd | Construction | 2024 |
| Munross Property Limited | Real estate | 2025 |
| Munshi Edinburgh Limited | Wholesale & retail | 2021 |
| Munsil Ltd | Hospitality | 2025 |
| Munson Ltd | Arts & recreation | 2020 |
| Murana Imaging Limited | Health & social care | 2014 |
| Muratha Private Limited | Hospitality | 2025 |
| Murdie Properties Limited | Real estate | 2023 |
| Murdoch Artists Ltd | Arts & recreation | 2021 |
| Murdoch Gear Architects Limited | Professional & scientific | 2003 |
| Murdoch Technology Ltd | Information & communication | 2015 |
| Murga Engineering Limited | Professional & scientific | 2024 |
| Murland & Partners | | 2001 |
| Murlind Limited | Professional & scientific | 2024 |
| Murobi Ltd | Professional & scientific | 2026 |
| Murphy and Young Ltd | Construction | 2015 |
| Murphyco Ventures Ltd | Administrative & support | 2010 |
| Murrads LP | | 2019 |
| Murray & Currie Limited | Real estate | 2008 |
| Murray Beith Murray LLP | | 2021 |
| Murray Beith Murray Nominees Limited | Professional & scientific | 2008 |
| Murray Capital Group Limited | Financial services | 2010 |
| Murray Capital Holdings Limited | Financial services | 2021 |
| Murray Capital Limited | Professional & scientific | 2000 |
| Murray Capital Ventures Limited | Professional & scientific | 2003 |
| Murray Developments (Edinburgh) Ltd | Construction | 2021 |
| Murray Estates (Calyx Village (North)) Limited | Real estate | 2015 |
| Murray Estates (Calyx Village (South)) Limited | Real estate | 2015 |
| Murray Estates (Easter Hermiston (East)) Limited | Real estate | 2015 |
| Murray Estates (Easter Hermiston (West)) Limited | Real estate | 2015 |
| Murray Estates (Gogarbank Village) Limited | Real estate | 2015 |
| Murray Estates (Kellerstain) Limited | Real estate | 2015 |
| Murray Estates (Redheughs Village (South)) Limited | Real estate | 2015 |
| Murray Estates (Redheughs Village) Limited | Real estate | 2015 |
| Murray Estates (Riccarton Village (East)) Limited | Real estate | 2015 |
| Murray Estates (Riccarton Village (West)) Limited | Real estate | 2015 |
| Murray Estates (Wester Hermiston (North)) Limited | Real estate | 2015 |
| Murray Estates (Wester Hermiston (South)) Limited | Real estate | 2015 |
| Murray Estates Commercial Limited | Real estate | 2017 |
| Murray Estates Developments Limited | Professional & scientific | 2014 |
| Murray Estates Eibg (Residential) Limited | Construction | 2019 |
| Murray Estates Eibg Limited | Construction | 2014 |
| Murray Estates Limited | Real estate | 2009 |
| Murray Estates Lothian Limited | Real estate | 1990 |
| Murray Finance LP | | 2013 |
| Murray Fletcher Limited | Professional & scientific | 2019 |
| Murray GP Limited | Professional & scientific | 2020 |
| Murray Health, Safety and Performance Limited | Health & social care | 2024 |
| Murray Income Trust PLC | Financial services | 1923 |
| Murray International Trust PLC | Financial services | 1907 |
| Murray Investment Management Limited | Professional & scientific | 1997 |
| Murray Johnstone Limited | Extraterritorial | 1968 |
| Murray Lawrence Group 6 SLP | | 1998 |
| Murray Lawrence Group 7 SLP | | 1998 |
| Murray Lawrence Group 8 SLP | | 1998 |
| Murray Lawrence Group 9 SLP | | 1998 |
| Murray Mclellan Limited | Information & communication | 2011 |
| Murray Media Limited | Information & communication | 2024 |
| Murray Metals Limited | Professional & scientific | 2012 |
| Murray Orthopaedics Limited | Health & social care | 2021 |
| Murray Plate Group Limited | Administrative & support | 2006 |
| Murray Play Foundation | Arts & recreation | 2018 |
| Murray Plumbing and Heating Ltd | Construction | 2026 |
| Murray Property Investment Group Ltd | Real estate | 2021 |
| Murray Scott East Lothian Limited | Hospitality | 2024 |
| Murray Serviced Accommodation Limited | Real estate | 2024 |
| Murray SLP | | 1997 |
| Murray Sport & Medicine Ltd | Health & social care | 2014 |
| Murray Thompson Limited Partnership | | 2020 |
| Murrayella Investments Ltd | Professional & scientific | 2022 |
| Murrayfield 20/20 Ltd | Administrative & support | 2017 |
| Murrayfield Bistro Limited | Hospitality | 2018 |
| Murrayfield Consulting Limited | Professional & scientific | 2013 |
| Murrayfield Curling Limited | Arts & recreation | 1988 |
| Murrayfield Golf Club. Limited | Arts & recreation | 1912 |
| Murrayfield Ice Arena Limited | Arts & recreation | 2021 |
| Murrayfield Ice Rink Ltd. (the) | Real estate | 1957 |
| Murrayfield Mobility Limited | Wholesale & retail | 2025 |
| Murrayfield Music Ltd | Information & communication | 2008 |
| Murrayfield Podiatry Ltd | Health & social care | 2026 |
| Murrayfield Properties Limited | Real estate | 2017 |
| Murrayfield Property Services Limited | Real estate | 2014 |
| Murrayfield Sports Bar Ltd. | Other services | 2021 |
| Murrayfield Sports Club Ltd | Arts & recreation | 2013 |
| Murrayfield Sports Club Westfield Road LLP | | 2010 |
| Murraywest PA Solutions Ltd | Administrative & support | 2017 |
| Murton Trading LP | | 2017 |
| Murui Ltd | Real estate | 2023 |
| Musaev Leading Manufacture and Supplier Limited Partnership | | 2016 |
| Musakfa Ltd | Households | 2024 |
| Muscat Softwares Ltd | Information & communication | 2026 |
| Muscida Holdings LP | | 2018 |