Financial Advisory and Audit Firm. Since 2002 U. S. Financial Advisory & Audit Firm, LLP (U. S. FAAF) has one core focus: Your Financial Success. U. S. FAAF and Subsidiaries have over 69 professionals worldwide evaluating and interpreting financial transactions to ensure that our clients' decision makers are making informative business and investment decisions with lower acquisition costs, expanded market share, and a global advantage.