The contract includes the use of automated valuation model services at origination, point of sale, surveyor audit, fraud detection, buy-to-let, portfolio management and risk assessment.
David Catt, chief operating officer at Hometrack, said: “Nationwide has always been an important client and we are delighted that they are strengthening their relationship with us.
“We look forward to working with them on new initiatives which will help support the strategic growth of their mortgage business.”
Iain Laing, chief risk officer at Nationwide, said: “Hometrack’s credentials are impressive. Their lender solutions are based on a clear understanding of our sector.
“Their experience in the AVM space is unrivalled as is their understanding of the housing and lending markets.
“I am delighted to be working with them and look forward to strengthening our relationship in the years ahead.”