Founded in 1989, Clayton pioneered the concepts of due diligence and surveillance. To date, we have reviewed more than 17 mil ... lion loans and currently monitors the performance of more than $2 trillion in loans, securities and mortgage servicing rights. Our primary services include: • Credit underwriting • Pre- and post-closing loan reviews for whole loan sales and private-label securitization • Compliance and valuation reviews • Loan review and transaction surveillance • Non-performing asset review services for mortgage and asset backed securities. read more