You might be tempted to include WeChat and games that Tencent brought, but if we lower the bar to that then the list of EU companies would grow a lot as well, such as SoundCloud, Shazam, last.fm, Viber, King, Mojang, Rovio, Supercell, Kiloo, Dailymotion, Criteo, SAP, ASOS, Skyscanner, Wix, GoCardless, Adyen, Kaspersky Labs, Yandex, Transferwise, Badoo, etc.
Europe also produces 20% of world's research in the field [1]
The big question though is: do we measure success correctly? The vast majority of "great American companies" are either vaporware with inflated valuations, or produce zero innovations [2]
[1] https://www.sciencemag.org/news/2020/05/european-rd-review-f...