The three banks hope the partnership will spur collaboration between them and fintechs. : The National Australia Bank (NAB) has announced partnering with Israel's Bank Leumi and Canada-based CIBC to stand up an online portal to help drive collaboration between the three banks and the fintech scene. Fintechs can submit "creative" tech solutions to opportunities the trio identify, via the portal. NAB said on receiving the proposals, the banks will consult directly with the technology firms. The first problem the banks have identified is: "Our aim is to exceed our customers' expectations by helping their businesses grow and prosper".