Plante Moran
SOC 1, SOC 2, and SOC 2+ reporting from a century-old national CPA firm with AICPA SOC committee involvement.
Overview
Plante & Moran, PLLC is a licensed CPA firm whose specialists perform SOC 1, SOC 2, SOC 2+, SOC 3, SOC for Cybersecurity, and SOC for Supply Chain examinations. Its SOC 2+ reports can incorporate frameworks such as HIPAA and NIST, and case studies reference combined SOC 2 and ISO compliance. The firm notes participation on AICPA SOC committees and undergoes its own annual third-party SOC 2 examination.
Strengths
- ✓AICPA SOC specialists with committee-level involvement in the standards
- ✓Full SOC report family including SOC 2+ mapped to HIPAA and NIST
- ✓Long-established national firm (Plante & Moran, PLLC) serving startups through large public companies
Consider
- •Explicit HQ city not stated on the SOC page (firm is headquartered in Southfield, MI)
- •Type 1 vs Type 2 designations not separately itemized on the page
Frameworks covered
Regions served
Pricing and timeline in context
Founded in 1923 and based in Southfield, MI, Plante Moran quotes SOC 2 work in the $18K–$90K band — in line with the national firm median of $18K–$90K across the firms we track. As an AICPA-licensed CPA firm it issues SOC 1, SOC 2 Type 1, SOC 2 Type 2, ISO 27001, and HIPAA reports directly, and the fee scales with your headcount, the Trust Services Criteria in scope, and any frameworks you bundle. Plan for roughly 8–22 weeks on a Type 2 engagement. Compare it against the full SOC 2 audit cost benchmark before you commit.
Who Plante Moran is for
Plante Moran works most often with SaaS, Fintech, and Healthcare companies. Its broad 5-framework coverage suits teams that want to consolidate several audits — SOC 2 plus ISO 27001, HIPAA, or PCI — under one firm. Scale-ups and mid-market companies that want experienced, credible coverage without Big Four pricing are the typical fit.
Frequently asked questions
How much does a Plante Moran SOC 2 audit cost?
Plante Moran's SOC 2 engagements typically run $18K–$90K, depending on your headcount, the Trust Services Criteria in scope, and how many frameworks you bundle. Because no firm publishes fixed pricing, request a scoped quote — you can get three matched quotes on identical scope to compare.
How long does a Plante Moran SOC 2 audit take?
A typical Type 2 engagement with Plante Moran takes about 8–22 weeks from kickoff to report, plus the observation window itself. Use the timeline calculator to estimate your own schedule.
What frameworks does Plante Moran cover?
Plante Moran covers SOC 1, SOC 2 Type 1, SOC 2 Type 2, ISO 27001, and HIPAA. If you need several of these, bundling them into one engagement is usually cheaper than auditing each separately.
Is Plante Moran an AICPA-licensed CPA firm?
Yes. Plante Moran is an AICPA-licensed CPA firm, which is a requirement to issue a SOC 2 report — only licensed CPA firms can. It's worth confirming a firm's AICPA peer-review status before signing; see questions to ask a SOC 2 auditor.
Where does Plante Moran operate?
Plante Moran is headquartered in Southfield, MI and serves clients across United States. SOC 2 is a US attestation standard, so a US-licensed firm can serve clients wherever they are based.
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