Last updated: May 2026
Windham Brannon is a mid-tier SOC 2 audit firm in Atlanta, GA, USA that charges $30K–$80K for Type II audits with 4–12 month timelines. Founded in 1957, they hold 4 accreditations and specialize in Construction, Healthcare, Manufacturing, and 4 more. Their pricing is in the mid-range compared to the mid-tier average of $28.796K–$76.204K.
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Note: Pricing shown is estimated based on typical engagements. Use our SOC 2 cost calculator for a personalized estimate.
of Mid-tier firms charge more for Type II
of Mid-tier firms have longer minimum timelines
certifications (tier avg: 3)
Side-by-side pricing, timeline, and certification counts for the 5 closest-priced peers in the mid-tier tier.
| Windham Brannon | 360 Advanced | AAFCPAs | Accorp Partners | CertPro | eDelta Consulting | |
|---|---|---|---|---|---|---|
| Type II Cost | $30K–$80K | $30K–$80K | $30K–$80K | $30K–$80K | $30K–$80K | $30K–$80K |
| Type I Cost | $20K–$60K | $20K–$60K | $20K–$60K | $20K–$60K | $20K–$60K | $20K–$60K |
| Timeline | 4–12 mo | 6–12 mo | 6–12 mo | 13–26 mo | 6–12 mo | 6–12 mo |
| Team Size | 150-200+ | 100–1000 | 350–1000 | 115–1000 | 100–1000 | 100–1000 |
| Certifications | 4 | 7 | 3 | 8 | 4 | 3 |
| Founded | 1957 | 2010 | 1973 | 1991 | 2012 | 2000 |
For buyers in Construction and Healthcare, Windham Brannon fits the mid-tier profile when timeline (4–12 months) and Type II pricing ($30K–$80K) align with what mid-tier firms typically deliver. Their 4 active accreditations — including Inside Public Accounting Top 200, AGN International, Abacus Worldwide — extend that fit beyond pure SOC 2 into adjacent compliance frameworks.
Fortune 1000 and middle-market companies needing integrated cybersecurity, internal audit, SOC, and risk advisory; multi-industry organizations serving clients in 75+ countries
Nationally ranked Top 200 CPA firm; AGN International and Abacus Worldwide member with reach in 75 countries; integrated cybersecurity and internal audit practice under one advisory umbrella; Accounting Today Top Southeast Firms recognition; proactive advisor approach beyond standard audit delivery
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7 industries — Mid-tier average: 5
4 certifications — Mid-tier average: 3
Proprietary
Windham Brannon SOC 2 Type I audits typically range from $20K to $60K. Type II audits range from $30K to $80K. This is in the mid-range for mid-tier firms — the mid-tier tier average is $28.796K–$76.204K. Final pricing depends on your organization's scope, number of trust service criteria, and system complexity.
A buyer-side checklist. Bring these to your first call — the answers separate firms that have run hundreds of SOC 2 engagements from firms that are bidding on them.
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