Ditech Financial LLC (rebranded from “ditech Mortgage” and "Green Tree Servicing" in 2015) is a provider of home loan, loan servicing and refinance products to consumers and institutional partners in the U.S.In May 2014, Ditech announced its re-entry to the national housing market after it “disappeared” from the marketplace for five years during the subprime mortgage crisis in the late 2000s.