- Lainappi
- Lakihelppi
- LATO Leadership Automation Tools
- Leadoo
- LeaDroid
- LeakLook
- LED TAILOR INNOVA7ION
- Leisco
- Lekatech
- LesssonApp
- Lifeclass
- Light Cognitive
- Lightheart Entertainment
- Lightneer
- LignoSphere
- Liid
- Linear
- Lingon Games
- Linio Biotech
- Lively Health
- LiveRing
- Liveto Group
- Lobster
- Locationews
- Lockpickle
- Logitrail
- Logmore
- Loiste Interactive
- Loïva
- LokiTime
- Londi
- Loru Games
- Lost Hoodie
- Lovena
- Lovia
- Löytö App
- Lucify
- Lukoton
- Lumoa
- Lunchie
- Luonkos Finland Oy Ltd
- Luuri.ai
- Lyfta
- LYGG