Last updated: August 7, 2026 · Data checked: August 7, 2026
SOC 2 Auditors · Chicago, IL

SOC 2 Auditors in Chicago, IL

Chicago pairs a deep bench of established CPA firms with a practical, midwestern buyer base — logistics tech, fintech, and healthcare SaaS make up much of local SOC 2 demand. 6 of the 148 attestation-capable firms we track are headquartered in the Chicago metro — they are listed first below.

How this list is ranked (as of August 7, 2026): independent verification status first, then relevance to this page, then profile completeness (credentials, pricing and timeline transparency, platform integrations), then verified client reviews. Ranking placement cannot be bought and firms do not pay to be listed. Independent verification of the directory is in progress — until a firm is verified, its data is compiled from public records and labeled accordingly. Full details: how we verify auditors.

Top SOC 2 audit firms for Chicago, IL companies

Select up to three firms below to compare them side by side.

1. Baker Tilly

Unverified · public records
  • Headquartered in Chicago, IL
  • Price band: not yet verified
  • Typical timeline: not yet verified
  • GRC integrations: not yet verified
  • CPA firm (attestation-capable)
  • No verified client reviews yet

Full profile ›

2. BDO USA

Unverified · public records
  • Headquartered in Chicago, IL
  • Price band: not yet verified
  • Typical timeline: not yet verified
  • GRC integrations: not yet verified
  • CPA firm (attestation-capable)
  • No verified client reviews yet

Full profile ›

3. Crowe

Unverified · public records
  • Headquartered in Chicago, IL
  • Price band: not yet verified
  • Typical timeline: not yet verified
  • GRC integrations: not yet verified
  • CPA firm (attestation-capable)
  • No verified client reviews yet

Full profile ›

4. Grant Thornton

Unverified · public records
  • Headquartered in Chicago, IL
  • Price band: not yet verified
  • Typical timeline: not yet verified
  • GRC integrations: not yet verified
  • CPA firm (attestation-capable)
  • No verified client reviews yet

Full profile ›

5. RSM US

Unverified · public records
  • Headquartered in Chicago, IL
  • Price band: not yet verified
  • Typical timeline: not yet verified
  • GRC integrations: not yet verified
  • CPA firm (attestation-capable)
  • No verified client reviews yet

Full profile ›

6. Sikich

Unverified · public records
  • Headquartered in Chicago, IL
  • Price band: not yet verified
  • Typical timeline: not yet verified
  • GRC integrations: not yet verified
  • CPA firm (attestation-capable)
  • No verified client reviews yet

Full profile ›

7. A-LIGN

Unverified · public records
  • Price band: not yet verified
  • Typical timeline: not yet verified
  • GRC integrations on record: Drata, Secureframe, Vanta
  • CPA firm (attestation-capable)
  • No verified client reviews yet

Full profile ›

8. Aprio

Unverified · public records
  • Price band: not yet verified
  • Typical timeline: not yet verified
  • GRC integrations on record: Drata, Vanta
  • CPA firm (attestation-capable)
  • No verified client reviews yet

Full profile ›

9. Armanino

Unverified · public records
  • Price band: not yet verified
  • Typical timeline: not yet verified
  • GRC integrations on record: Vanta
  • CPA firm (attestation-capable)
  • No verified client reviews yet

Full profile ›

10. BARR Advisory

Unverified · public records
  • Price band: not yet verified
  • Typical timeline: not yet verified
  • GRC integrations on record: Drata, Secureframe, Vanta
  • CPA firm (attestation-capable)
  • No verified client reviews yet

Full profile ›

Compare at a glance

#FirmPrice bandTimelineGRC platformsVerified reviewsStatus
1Baker TillyNot yet verifiedNot yet verifiedNot yet verifiedNo verified reviews yetUnverified
2BDO USANot yet verifiedNot yet verifiedNot yet verifiedNo verified reviews yetUnverified
3CroweNot yet verifiedNot yet verifiedNot yet verifiedNo verified reviews yetUnverified
4Grant ThorntonNot yet verifiedNot yet verifiedNot yet verifiedNo verified reviews yetUnverified
5RSM USNot yet verifiedNot yet verifiedNot yet verifiedNo verified reviews yetUnverified
6SikichNot yet verifiedNot yet verifiedNot yet verifiedNo verified reviews yetUnverified
7A-LIGNNot yet verifiedNot yet verifiedDrata, Secureframe, VantaNo verified reviews yetUnverified
8AprioNot yet verifiedNot yet verifiedDrata, VantaNo verified reviews yetUnverified
9ArmaninoNot yet verifiedNot yet verifiedVantaNo verified reviews yetUnverified
10BARR AdvisoryNot yet verifiedNot yet verifiedDrata, Secureframe, VantaNo verified reviews yetUnverified

Do you need a local SOC 2 auditor in Chicago?

Honestly: no. SOC 2 audits are performed almost entirely remotely — evidence lives in your cloud consoles and GRC platform, and walkthroughs happen over video. A Chicago headquarters can help with time zones and occasional on-site walkthroughs for physical-security controls, but report quality, price, and turnaround are what actually differ between firms. That is why this list shows local headquarters as one labeled signal rather than a requirement.

Frequently asked questions

Do SOC 2 auditors visit our Chicago office?

Usually not. SOC 2 evidence collection and walkthroughs happen remotely. On-site visits only occur when physical security controls at your own facility are in scope — and even then, a single short visit typically covers it.

How much does a SOC 2 audit cost in Chicago, IL?

Location does not meaningfully change SOC 2 pricing because the work is remote. On the AuditNex network, audits start at $2,500 and average around $5,000, driven by company size, Trust Services Criteria in scope, and infrastructure complexity — not geography.

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