The International Organization for Standardization (ISO), is an international organization of standards creation and issuance that consists of representatives of the national organizations for standardization. The organization was founded at February 24th of 1947 and produces the international industry and commercial standards that are called ISO.

​winbank proves its commitment to customer best experience by being the first web banking in Greece that has been ISO 9001 certified in 2004. The ISO 9001 certification of winbank rewards the continuous effort of Piraeus Bank to trace the customer needs and expectations and cover them by offering a state of the art electronic transactions framework with many capabilities that stands for security, speed and quality.

For the ISO 9001 certification, winbank cooperated with the specialized consultant company PRIORITY SA.​