Comment by kuisch

To name a few --

Payments: Adyen, Transferwise, and (arguably) Stripe

Music: Spotify, Soundcloud. Shazam

Travel: Booking.com, SkyScanner

Fashion: Zalando

Telecommunications: Skype

Gaming: Rovio (Angry Birds), King (Candy Crush), Supercell (a.o. Clash of Clans)