- Facepalm Games
- Fad Games
- Fair
- Fairspectrum
- FakeFish Games
- Fambit
- Fameflow
- FAM Sports / CheckMyLevel
- Fantastec
- Fasciawear
- FA Solutions
- Fat Tail Productions
- Fave
- Feathr
- Feddy
- Feedbackly
- Feel and Play
- Feelette
- FeelHobby
- Feelmax
- Fenno-Aurum
- Fepod
- Ferly
- Ferovalo
- Fiberdom
- Fiberwood
- Fibion
- Fibo Labs
- FIBRES™
- Fibrux
- Fiellberg
- Fiksu Ruoka
- Fiksuvuokraus.fi
- Finadeck
- FinanceKey
- Finbiosoft
- FinCloud
- FinderBase
- Fingertip
- Finnadvance
- Finnchat
- Finneco Solutions
- Finno Exergy
- Finnos
- Finnplay Technologies
- Finpeda
- Finrenes
- Finwe
- Fireframe
- FitWood
- Fiuge
- Fixably
- Fixteri
- Fixura
- Flashnode
- Flatfish
- Fleethub
- Fleetrange
- Flexbright
- Flexound Systems
- Flo Apps
- Flockler
- Flocon
- Floud
- Flowbox
- Flow Computing
- FlowGait
- Flowhaven
- Flowmedik
- Flowrite
- Fluent Progress
- Fluid Intelligence
- Fluxio
- Flying Lynx
- Focalspec
- Focal Technologies
- Foilone
- Foodduck
- Foodie.fm
- Foodiq
- Forbidden Studios
- Forciot
- Formal Friday
- Format4Media
- ForteAI
- Founder2be
- Four Ferries
- FoxDo.fi
- Foxie
- Frameright
- Framery
- Framgo
- Frank
- Freedomly
- Freeed
- Freesi
- Freska
- Front AI
- Frontlé
- Frosmo
- Frost Demon
- Frozenbyte
- FuelMe
- Fun Academy
- Fundis
- Fundu
- Funzi
- Futucraft
- Futudent
- Futures Platform
- Futuriot
- Fuusor
- Fuzu
- FYFY