Is there just no investment? What is the US doing that Europe isn't?
Spotify (Sweden): Spotify is a leading digital music service that provides access to millions of songs. It was founded in 2006 in Stockholm, Sweden.
SAP SE (Germany): SAP is a multinational software corporation that makes enterprise software to manage business operations and customer relations.
Nokia (Finland): Nokia is a multinational telecommunications, information technology, and consumer electronics company, founded in 1865.
Adyen (Netherlands): Adyen is a global payment company that allows businesses to accept e-commerce, mobile, and point-of-sale payments.
Arm Holdings (UK): Arm Holdings is a leading technology provider of silicon IP and custom SoCs at the heart of billions of devices. Their architecture is key for computing, especially in mobile devices.
ASML Holding (Netherlands): ASML is a leading supplier of photolithography systems for the semiconductor industry.
Zalando (Germany): Zalando is a European e-commerce company based in Berlin. The company follows a platform approach, offering fashion and lifestyle products to customers in 17 European markets.
Klarna (Sweden): Klarna is a fintech company that provides buy-now-pay-later services, which simplify the payment process for consumers and merchants.
Revolut (UK): Revolut is a fintech company that offers banking services including a pre-paid debit card, currency exchange, cryptocurrency exchange and peer-to-peer payments.
DeepMind (UK): Owned by Alphabet, the parent company of Google, DeepMind is a world leader in artificial intelligence research and its application for positive impact.As another commenter said, both operate in the “back end”, non-consumer world.
The US has a history of innovation and a culture of ambition, drive, and seeking financial independence. Europe is more concerned with regulation and bureaucracy.