| Modern Tribe Ltd | Other services | 2024 |
| Moderno Design LP | | 2016 |
| Modernprints.Co.Uk Ltd | Wholesale & retail | 2022 |
| Modest Content LP | | 2024 |
| Modhachaigh Limited | Real estate | 2026 |
| Modie Ltd | Wholesale & retail | 2024 |
| Modmash LP | | 2014 |
| Modou and Musa Ltd | Administrative & support | 2026 |
| Modular Alpha Systems Limited | Information & communication | 2025 |
| Modular Property Holdings Limited | Administrative & support | 1996 |
| Modus Transport Solutions Ltd | Professional & scientific | 2014 |
| Moet Spice Limited | Hospitality | 2021 |
| MOF Feeder B (GP) Limited | Administrative & support | 2012 |
| MOF Feeder B LP | | 2012 |
| MOF Feeder C (GP) Limited | Administrative & support | 2012 |
| MOF Feeder C LP | | 2012 |
| MOF Feeder D (GP) Limited | Administrative & support | 2012 |
| MOF Feeder D LP | | 2012 |
| MOF Feeder E (GP) Limited | Administrative & support | 2012 |
| MOF Feeder E LP | | 2013 |
| MOF IV CIP (GP) Limited | Administrative & support | 2012 |
| MOF IV CIP LP | | 2012 |
| MOF V (GP) Limited | Real estate | 2015 |
| MOF V CIP (GP) Limited | Administrative & support | 2014 |
| MOF V CIP LP | | 2015 |
| MOF V Investors (GP) Limited | Real estate | 2015 |
| MOF V Investors LP | | 2015 |
| MOF VI (GP) Limited | Real estate | 2019 |
| Mofamilia Ltd | Wholesale & retail | 2022 |
| Moffett Distribution LP | | 2013 |
| Mogul Retail & Transport Logistics Ltd | Other services | 2025 |
| Mohamed EL Fateh Amazon Ltd | Transport & logistics | 2026 |
| Mohammad ABO Rajab for Trading and Investment Ltd | Wholesale & retail | 2024 |
| Mohammed Yeshan Afzal Ltd | Health & social care | 2020 |
| Mohid Shahzad Ltd | Wholesale & retail | 2025 |
| Mohit IT Solution Limited | Information & communication | 2024 |
| Mohiuddin Jamia Masjid and Education Centre | Other services | 2021 |
| Mohneez Provenance Limited | Wholesale & retail | 2026 |
| Mohsin Raja Consultancy Limited | Professional & scientific | 2025 |
| MOI Beauty Salon Limited | Other services | 2015 |
| Moidart Capital Limited | Agriculture & fishing | 2008 |
| Moidart Hydro LLP | | 2011 |
| Moinsen LP | | 2021 |
| Moira Services Limited | Real estate | 2019 |
| Moiz UR Rehman Ltd | Wholesale & retail | 2026 |
| Mojo Market Ltd | Hospitality | 2020 |
| Mojolan Services Limited | Mining & quarrying | 2016 |
| MOK Style LP | | 2013 |
| Moka Arts Limited | Education | 2020 |
| Moka Holiday Ltd | Transport & logistics | 2020 |
| Mokate UK Ltd | Wholesale & retail | 2019 |
| Molband Ventures LP | | 2014 |
| Molden Solutions LP | | 2015 |
| Mole GP 1 Limited | Administrative & support | 2020 |
| Mole GP 2 Limited | Administrative & support | 2020 |
| Mole GP LLP | | 2020 |
| Mole Homes Ltd | Professional & scientific | 2019 |
| Mole SLP LP | | 2020 |
| Molek Developers Ltd | Real estate | 2025 |
| Moleni LP | | 2018 |
| Moleta Munro Ltd | Wholesale & retail | 2007 |
| Moletest (Scotland) Limited | Health & social care | 2014 |
| Molgentic Ltd | Professional & scientific | 2025 |
| Mollarch Investments Limited | Real estate | 2024 |
| Mollitiam Consultancy Services Ltd | Professional & scientific | 2022 |
| Mollium Ltd | Financial services | 2020 |
| Molly's Scotland Ltd | Wholesale & retail | 2017 |
| Moloney Conception LP | | 2016 |
| Molpa Ltd. | Health & social care | 2013 |
| Molson LP | | 2016 |
| Molten East I Special Partner LP | | 2022 |
| Molten Ventures FOF I (Special Partner) LP | | 2022 |
| Molten Ventures Investments (Carried Interest) LP | | 2022 |
| Molteno Commerce LP | | 2015 |
| Molteno Invest LP | | 2016 |
| Moltone Services LP | | 2012 |
| Molyneux Orthopaedics Limited | Health & social care | 2015 |
| Moma Limited | Professional & scientific | 2008 |
| Moment One Limited | Health & social care | 2020 |
| Moment Stays Limited | Real estate | 2024 |
| Momentium Ltd | Information & communication | 2009 |
| Moments Away LP | | 2015 |
| Momma Loves YOU Limited | Hospitality | 2026 |
| Momo Nepalese Kitchen Limited | Hospitality | 2025 |
| Momo Street Food Edin Limited | Hospitality | 2026 |
| Momotopia Ltd | Wholesale & retail | 2025 |
| MOMUS2006 LP | | 2016 |
| MON Espoir Limited | Arts & recreation | 2023 |
| Monachrom Impex LP | | 2015 |
| Monadic Ltd | Information & communication | 2024 |
| Monagan Trading LP | | 2014 |
| Monamax Trade LLP | | 2011 |
| Monarch Independent LP | | 2008 |
| Monarch Legal Ltd | Professional & scientific | 2024 |
| Monarch Real Estate Property Ltd | Real estate | 2021 |
| Monastic Premium LP | | 2018 |
| Monatex Commercial LP | | 2012 |
| Monbart Living Ltd | Real estate | 2026 |
| Moncha SP | | 2004 |
| Moncrieff Building and Roofing Limited | Administrative & support | 2003 |