Many startup business accounts now offer interest on idle cash, often with APYs...

https://victoriassmartword.publishlane.com/posts/best-account-if-i-care-most-about-fdic-coverage-breadth

Many startup business accounts now offer interest on idle cash, often with APYs higher than treasury yields. But keep FDIC insurance limits in mind—the standard $250,000 cap applies per bank