- Radientum
- Rakennusoutlet
- Rakka
- Random Potion
- Rapport
- Rate the Job
- React & Share
- ReadPeak
- ReceiptHero
- RecoApp
- RecRight
- Redhill Games
- REDi Ai Oy
- Redigen
- Redono
- Red Stage Entertainment
- Reforged Studios
- Rehaboo
- Rekki
- Rekola Brewery
- Remomedi
- RemoteA
- Rentle
- Rentmania
- RePack
- Replendo
- Resimator
- ResQ Club
- Retro-EV
- Return Entertainment
- Revieve
- Revonte
- Reworks
- Richen
- Richie
- RideHoop
- RidenRent
- Riots Global
- Riskpointer
- Risu
- Rivender
- RMK Vehicle Corporation
- RoadCloud
- Robo.CEO
- RoboCorp
- Rockodile Games
- Rock Paper Scissors
- Rocsole
- RoostLab
- Rosekiss
- Rounders Entertainment
- Rout IO Technologies
- Rugged Tooling
- Rukki Finland
- RumbleTools
- Rundit
- Runteq
- Rust0 Games
- Ruuvi Innovations