Bank of America is one of the Big Four American banks. As expected for an institution of this size and age, the bank has been the subject of numerous complaints, lawsuits, and regulatory actions over the years. The vast majority of these in recent times have not concerned the bank's mortgage operations. However, in 2014, the bank paid a record $16.5 billion settlement to federal and state regulators in connection with the sub-prime mortgage collapse of 2007–2009. Much of Bank America's exposure came about through its then-recent acquisition of Countrywide Mortgage, a large subprime lender. Since that time, however, relative to its size, Bank of America actually has a fairly small number of negative reviews by the BBB. None of the complaints on TrustPilot are about Bank of America's mortgage division. The takeaway, then, is that while Bank of America may have disappointed consumers with other aspects of its business, its mortgage customers have been fairly well satisfied with their experience.