| Mother of FactHealthcare | Healthcare | Sunapee, United States | — | motheroffact.com |
| Motics TechnologiesHealthcare | Healthcare | London, United Kingdom | — | motics.co.uk |
| MotivoHealthcare | Healthcare | Chattanooga, United States | Stephanie Prechter | motivohealth.com |
| MotorosoOther | Other | Santa Clara, United States | Nate Wyne | motoroso.com |
| MovopackIndustrials | Industrials | Milan, Italy | — | movopack.com |
| MoyaeHealthcare | Healthcare | Austin, United States | — | moyae.com |
| MR PrestaFintech | Fintech | Bee Cave, United States | — | mrpresta.com |
| muffintechB2B | B2B | Berlin, Germany | Jonas Boltz | muffintech.ai |
| MultyB2B | B2B | London, United Kingdom | — | multy.dev |
| Muro AIB2B | B2B | New York City, United States | — | muro.ai |
| Muse FinanceFintech | Fintech | London, United Kingdom | — | getmymuse.com |
| MuseAIOther | Other | Punchbowl, Australia | — | museai.au |
| Mushroom MaterialIndustrials | Industrials | Auckland, New Zealand | — | mushroommaterial.com |
| Music Tech WorksFintech | Fintech | Mableton, United States | — | musictechworks.com |
| MutableB2B | B2B | New York City, United States | — | mutable.io |
| MuuktestB2B | B2B | Raleigh, United States | Carlos Platero | muuktest.com |
| MyARC FitnessIndustrials | Industrials | London, United Kingdom | — | myarc.io |
| MyFavoritoOther | Other | San Francisco, United States | — | myfavorito.com |
| MYRConsumer | Consumer | Montréal, Canada | Jean-Baptiste Kuhn | myr.io |
| myTamarinB2B | B2B | London, United Kingdom | Sophia Kristiansen | mytamarin.com |
| NaborforceHealthcare | Healthcare | Richmond, United States | Paige Wilson | naborforce.com |
| NabuOther | Other | Strasbourg, France | — | nabu.io |
| NagishB2B | B2B | New York City, United States | Tomer Cohen | talknagish.com |
| NalaB2B | B2B | Miami, United States | Benjamin Fernandes | nalarocks.com |
| Namara Water TechnologiesB2B | B2B | Carlsbad, United States | — | namarawater.ai |
| NanoMatterOther | Other | Berlin, Germany | — | nano-matter.com |
| Naria AIB2B | B2B | San Mateo, United States | — | naria.ai |
| NarmiFintech | Fintech | New York City, United States | Nikhil Lakhanpal | narmi.com |
| Narrative BankingFintech | Fintech | Blackrock, Ireland | — | narrativebanking.com |
| NarrativeDxB2B | B2B | Austin, United States | Arunima Sarkar | narrativedx.com |
| NATIXFintech | Fintech | Hamburg, Germany | Alireza Ghods | natix.network |
| Natural Intelligence SystemsB2B | B2B | Boise, United States | — | naturalsemi.com |
| Naviday HealthHealthcare | Healthcare | Austin, United States | — | navidayhealth.com |
| NaviSavi TravelConsumer | Consumer | Oxford, United States | — | navisaviapp.com |
| NayamWingsIndustrials | Industrials | Haifa, Israel | — | nayamwings.com |
| NBD NanoIndustrials | Industrials | Boston, United States | — | nbdnano.com |
| Nee AIB2B | B2B | Hanover, United States | — | nee-ai.com |
| NEKODOther | Other | Amsterdam, Netherlands | — | nekod.co |
| NellIndustrials | Industrials | London, United Kingdom | — | myhealthchecked.com |
| NephrogenB2B | B2B | New York City, United States | — | nephrogenbiotech.com |
| Nera SystemsOther | Other | Burlingame, United States | — | nera.systems |
| NestromB2B | B2B | Amman, Jordan | — | nestrom.com |
| NeuB2B | B2B | Seattle, United States | — | neucleans.com |
| Neural DefendB2B | B2B | New Delhi, India | — | neuraldefend.com |
| NeuralaOther | Other | Boston, United States | Massimiliano Versace | neurala.com |
| neuroLytixsOther | Other | Toronto, Canada | — | neurolytixs.com |
| NEVAM CXB2B | B2B | Woolooware, Australia | — | nevamcx.com |
| NewselaEducation | Education | New York City, United States | Matthew Gross | newsela.com |
| NexLPB2B | B2B | Chicago, United States | Jerry Baulier | nexlp.com |
| NexosisB2B | B2B | Westerville, United States | Jason Montgomery | nexosis.com |