More recently, central banks in the EU and U.K. and U.S. have moved to slash interest rates in response to falling inflation and concerns of an economic slowdown, which can bite into bank earnings.
Niknam said he's not concerned by the prospect of rates coming down and expects potential declines in interest income to be offset by a "diversified" revenue mix that includes income from paid subscription products, as well as new features. Bunq recently launched a tool that lets users trade stocks.
"This is different in continental Europe to the U.K. We had negative interest rates for long," Niknam told CNBC. "So as we were growing, actually our cost base was also growing because we had to pay for all the deposits that people deposited a Bunq so I think we're in a great position in 2025