Alongside Citi Growth Ventures & Innovations in the A round for ReadyForZero were venture capital firm Polaris Venture Partners and angel investors.

ReadyForZero, a US-based software provider for credit card debt management, has raised $4.5m in its series A round from a consortium including US-listed bank Citigroup’s corporate venturing unit.

Alongside Citi Growth Ventures & Innovations in the A round were venture capital firm Polaris Venture Partners and angel investors.

Christopher Kay, managing director of Citi Growth Ventures, said: "One of the ways the Citi Ventures team drives Citi’s growth is by investing in start-ups relevant to Citi businesses and customers.

"ReadyForZero…