- Package Testing & Research
- PAIKKA International
- Palonot
- Palscan
- Panacea
- Panda Training
- Paptic
- Parkcomfi
- Parkly
- Parta Games
- Part Time Monkey
- Party Bugs
- Passwork
- Peili Vision
- Perille
- Personik
- Pethotel
- Pharmafin
- Phaver
- Phonolyser
- Physilect
- Pianorobot
- Pibox
- Pictue
- Pinland OY
- PipeCloud
- Pixieray
- Plain Complex
- Platonic Partnership
- PlayGain
- Playsome
- Playvation
- Please Be Patient
- pnkfrg
- Podit
- Polar Night Energy
- Polar Partners
- Pop In Games
- Positive Learning
- Predicell
- Prepaird
- Priceff
- PrivacyDesigner
- Production Software
- Profilence
- PromoRepublic
- Pro Prospect
- ProtectPipe
- Punnu Games
- Puuartisti