- Radientum
- Rakennusoutlet
- Rakka
- Random Potion
- Rapport
- Rate the Job
- Readberry / Pulp Republic
- Readerstage
- ReadPeak
- Receipt Camera
- ReceiptHero
- RecoApp
- RecRight
- Redigen
- Reforged Studios
- Rehaboo
- Rekki
- Rekola Brewery
- Relationship Games
- Remarket
- RemoteA
- RePack
- Replendo
- ResQ Club
- Revieve
- Revonte
- Richen
- Richie
- RidenRent
- Rightware
- Riots Global
- Riskpointer
- Risu
- Rival Games
- Rivender
- R-Klinik
- RMK Vehicle Corporation
- RoadCloud
- Rock Dice
- Rockodile Games
- Rocsole
- Roger-GPS
- Rosekiss
- Rounders Entertainment
- Rout IO Technologies
- Rugged Tooling
- Ruisvoima
- Rukki Finland
- RumbleTools
- Rundit
- Runteq
- Rust0 Games
- Ruukki
- Ruuvi Innovations