| Enterpay | |
| Equilibrium | |
| ESPA Systems Oy | |
| Esri Finland | |
| European Games Developer Federation | Uusimaa |
| European Mathematical Society | |
| EVA Global | |
| Evac | |
| Exomi | Uusimaa |
| Experimentica Ltd | |
| F-Secure Corporation | Uusimaa |
| FabricAI Oy | |
| Fairdata | |
| FancyGrid, Inc. | |
| Faron Pharmaceuticals Ltd | |
| Feedbackly | |
| Fermion Oy | |
| FF-Automation Oy | Uusimaa |
| Ficix | Uusimaa |
| FiCom ry | Uusimaa |
| Fidelix Oy | |
| Financial Supervisory Authority | |
| Fingersoft Ltd | |
| Fingertip | Uusimaa |
| Finnadvance Oy | |
| Finnadvance Oy | |
| Finnet-liitto ry | Uusimaa |
| Finnish Business Angels Network | Uusimaa |
| Finnish Fintech Ecosystem | |
| Finnish Linux User Group FLUG ry | Uusimaa |
| Finnish Society of Automation | Uusimaa |
| Finnsat Oy | South Ostrobothnia |
| Finnvera Oyj | |
| Fintech Finland | |
| FinVector Oy | |
| First Round Ltd | |
| Fixura Ab Oy | |
| Flowhaven Oy | |
| Fortum | |
| Freesi.io | |
| Front AI | Uusimaa |
| Full stack open | |
| Funzilife Ltd | |
| FusionLayer | Uusimaa |
| Future Group | Uusimaa |
| Futureplay | |
| Futures Platform Ltd | |
| Fuzu Ltd | |
| G-Works Oy | |
| Gaia Consulting Oy | |