Grant Thornton — SOC 2 audit firm review

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Grant Thornton is a U.S. member firm of Grant Thornton International Ltd, providing audit, assurance, tax, and advisory services. The firm specializes in strategic assurance and SOC services using proprietary automation like SOC.x for efficient compliance reporting. With over 9,000 professionals across 46 offices, it serves diverse industries including technology, financial services, and healthcare.

Peer review: AICPA peer-reviewed (pass). Firm tier: Mid-tier firm.

Services: SOC 1, SOC 2 Type I, SOC 2 Type II.

Offices: New York NY; Atlanta GA; Los Angeles CA; Dallas TX; Boston MA; Denver CO.

Industries served: Technology, Financial services, Healthcare, Manufacturing, Real estate.

Frequently asked questions

What compliance frameworks does Grant Thornton audit?

Grant Thornton provides SOC 1, SOC 2 (Type 1 and Type 2) examinations through its assurance practice. The firm uses its proprietary SOC.x automation platform and a 'test once apply many' approach to SOC compliance reporting. It serves technology, financial services, healthcare, manufacturing, and real estate clients.

How much does a SOC 2 audit from Grant Thornton cost?

Grant Thornton's typical SOC 2 engagement ranges from $30,000 to $80,000 depending on scope and organizational size. These ranges are drawn from the verified auditor record. Grant Thornton does not offer fixed-fee pricing.

Is Grant Thornton AICPA-licensed and in good peer review standing?

Yes. Grant Thornton is an AICPA-accredited firm and has passed its peer review. The firm's peer review record is available through the AICPA peer review portal under Firm #900010026656.

How long does a SOC 2 Type II engagement with Grant Thornton typically take?

Grant Thornton does not publish a specific typical timeline. As a national mid-tier firm with 9,000+ professionals and proprietary SOC.x automation, its structured process typically runs 8–14 weeks for fieldwork and reporting; the full engagement including the observation period runs 6–9 months.

What GRC platforms does Grant Thornton work with?

Grant Thornton has verified working relationships with Vanta, Drata, Secureframe, and Hyperproof. In addition, the firm uses its own SOC.x automation platform to streamline evidence collection and report generation.

What are Grant Thornton's main alternatives for SOC 2 audits?

Grant Thornton's most frequently compared alternatives are Schellman, A-LIGN, and BDO USA. For buyers who need a large national firm, RSM US and Moss Adams are comparable mid-tier alternatives; Schellman and A-LIGN are IT-audit specialists with stronger SOC 2 brand recognition.