- Fad Games
- Fair
- Fameflow
- Fasciawear
- Fat Tail Productions
- Fave
- Feddy
- Feel and Play
- Feelette
- FeelHobby
- Fepod
- Ferly
- Ferovalo
- Fiberdom
- Fiberwood
- Fibo Labs
- Fiellberg
- Fiksu Ruoka
- Fiksuvuokraus.fi
- Finadeck
- FinanceKey
- Finnadvance
- Finneco Solutions
- Finnos
- Fireframe
- FitWood
- Fiuge
- Fixably
- Fleethub
- Fleetrange
- Flocon
- Floud
- Flow Computing
- FlowGait
- Flowhaven
- Flowmedik
- Flowrite
- Fluent Progress
- Fluid Intelligence
- Fluxio
- Flying Lynx
- Focal Technologies
- Foilone
- Foodiq
- Forbidden Studios
- Forciot
- ForteAI
- FoxDo.fi
- Foxie
- Frameright
- Freedomly
- Freeed
- Freesi
- Freska
- Front AI
- Frost Demon
- FuelMe
- Fun Academy
- Fundis
- Futures Platform
- Futuriot
- Fuusor
- FYFY