Calvetti, Ferguson & Wagner, P.C. is one of the leading full-service CPA firms in Houston, Texas. The company renders its services to more than 60 countries. It offers services, such as audit/assurance, tax consulting, compliance and advisory. The company mainly serves different legal entities, publicly traded firms, privately held companies, and partnership organizations. It also offers some advisory and consulting options, such as cost reduction, process and system improvement/governance, risk and compliance. Calvetti, Ferguson & Wagner, P.C. is a member of IGAF Worldwide, an international association of certified public accounting firms.