“Can a regional bank become the regulated infrastructure layer of the U.S. embedded finance market?”
Fifth Third is a 167-year-old Cincinnati-based regional bank that has reinvented itself as one of the most aggressive sponsor banks in U.S. embedded finance via its Newline platform. Where peers retreated after the Synapse collapse, Fifth Third leaned in — landing Stripe Treasury, Trustly, ADP, and Corepay in 2024–25. In December 2025 it shut down its in-house corporate card program and handed the rail to Brex Embedded, signaling a 'partner where someone else is better' posture. The strategy is to be the regulated balance sheet behind fintech distribution, not to build the front end.