“Can an overlay layer on top of existing business bank accounts deliver a better banking experience than any single bank could?”
Rebank (UK, Y Combinator) launched in 2019 as an overlay banking platform providing a consolidated view and day-to-day workflow tools across a startup's existing business bank accounts, rather than replacing them. Positioned as complementary to both legacy banks and challenger banks. Public footprint after the 2019 seed is thin — the current status of the product is unclear from the evidence supplied.