Grant Thornton

Grant Thornton is one of the largest and fastest-growing audit, tax, and advisory service providers, with headquarters in Chicago. The firm provides comprehensive SOC 2 attestation services that help service organizations demonstrate their controls designed to achieve service commitments and system requirements, evaluated against the AICPA's trust services criteria covering security, availability, processing integrity, confidentiality, and privacy. Grant Thornton uses SOC.x, their industry-leading SOC services automation product, which efficiently produces high-quality reports and provides enhanced responsiveness to clients' strategic needs. For mid-market companies, total costs using Grant Thornton range from $30,000-$80,000 with timelines of 3-5 months.