| Name | Region |
|---|---|
| Matriset Oy | South Karelia |
| Max Technologies Oy | |
| Medanets Oy | |
| Medfiles | |
| Mediasignal | Pirkanmaa |
| Mediatoimisto Lieska-Tuotanto Oy | Uusimaa |
| Mediconsult Oy | |
| MediGoo Oy | |
| MediVida Oy | |
| Medix Biochemica | |
| Medixine Ltd | |
| MedPhab | |
| MeetingPackage | |
| Membrane Finance Oy | |
| Mercuri International | |
| Mercus Software Oy | South Karelia |
| Mesenaatti.me | Uusimaa |
| Metacore | |
| Metaplay Oy | |
| Methics Oy | Uusimaa |
| Metroc | |
| Metropolia | |
| Metropolia University of Applied Sciences | |
| Metsys Oy | |
| Micro Analog Systems Oy | Uusimaa |
| Micro Magic | Pirkanmaa |
| Microdata Finland Oy | |
| Microext Oy | |
| Microsoft Finland | Uusimaa |
| Mightifier Oy | |
| Miia Ylinen | South Ostrobothnia |
| Mikro Bitti | Uusimaa |
| MikroHAI Oy | Southern Savonia |
| Mikromafia Oy | Uusimaa |
| Mikropasi | Satakunta |
| MinnaLearn | |
| Miradore Ltd | |
| Mitta Oy | |
| Mixx Reality | |
| MMD Networks Oy | Uusimaa |
| Mobal | |
| Mobey Forum | |
| Mobiappo Oy | |
| Moflix Oy | |
| Moi | |
| Moido Games Oy | |
| Montel Intergalactic | |
| MOOC.fi | |
| Morrow Venture Capital | |
| MORS Software Solution |