Licensed CPA firm profile

Grant Thornton

Grant Thornton is a national CPA and advisory firm whose audit practice performs SOC 1 Type 1 and Type 2 examinations, often for clients whose user entities rely on the reports for their own ICFR audits.

At a glance

HeadquartersChicago, Illinois
Founded1924
Firm typeNational full-service CPA and advisory firm
SOC 1 planning range$30K–$95K (planning estimate (Sept 2026))
Typical fieldwork windowType 1: 6–12 wk
Frameworks (per firm)SOC 1, SOC 2, SOC 3, HITRUST, SOC for Cybersecurity
Official websitegrantthornton.com

Best fit

Enterprises whose customers' auditors need to rely on the SOC 1 report.

Before you engage

Enterprise-grade engagement model -- confirm timeline fit for your reporting window.

Independent directory note. This profile is compiled from the firm's public materials (firm websites verified September 2026 during our pilot research, with spot re-checks). It is not an endorsement and not a paid placement. Confirm the firm's credentials and engagement terms yourself.

Questions about Grant Thornton

How much does a Grant Thornton SOC 1 examination cost?

Grant Thornton does not publish SOC 1 pricing -- request a scoped quote. Our planning estimate at this tier is $30K–95K for a Type 1 (September 2026).

Why do enterprises choose Grant Thornton for SOC 1?

National-firm assurance with a client base whose user entities are themselves audited -- suited to enterprises whose customers’ auditors need to rely on the report. Confirm timeline fit for your reporting window.

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Alternatives to Grant Thornton

Comparable firms buyers also evaluate -- same buyer type, different trade-offs:

MJD Advisors

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Johanson Group, LLP

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Sensiba

Top-75 U.S. accounting and consulting firm · $15K–$45K

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