BDO
BDO is one of the largest U.S. accounting firms, with a risk advisory practice performing SOC 1, SOC 2, and SOC 3 examinations alongside internal audit and IT risk work. Its scale suits larger and multi-entity organizations.
At a glance
| Headquarters | Chicago, Illinois |
|---|---|
| Founded | 1910 |
| Firm type | National full-service CPA firm (top 10 U.S.) |
| Type 2 planning range | Not published — request a scoped quote |
| Typical fieldwork window | Varies — confirm in proposal |
| Frameworks (per firm) | SOC 1, SOC 2, SOC 3 |
| Official website | bdo.com |
Best fit
Larger or multi-entity companies that want a top-10 firm with deep bench strength.
Before you engage
National-firm process and pricing — compare against specialists for a straightforward SOC 2.
Questions about BDO
Does BDO publish SOC 2 pricing?
No — request a scoped quote.
When does BDO make sense for SOC 2?
As a top-10 national firm, it fits larger or multi-entity companies that want deep bench strength. For a straightforward startup SOC 2, compare against specialists too.
Which frameworks does BDO list for SOC?
Per public materials: SOC 1, SOC 2, and SOC 3.
Get a scoped quote
Audit fees depend on your size, scope, and readiness. Get comparable quotes from BDO and similar licensed firms.
Request quotes from BDO & peersFree · No obligation · Takes 2 minutes
Alternatives to BDO
Comparable firms buyers also evaluate — same buyer stage, different trade-offs:
Thoropass
Auditor-led assurance practice · From $9,995
MJD Advisors
SOC-focused licensed CPA firm · $15K–$35K
Johanson Group, LLP
Licensed CPA firm focused on security compliance audits · pricing on request
Compare quotes from these firms
One request reaches the firms above — scoped quotes, free, no obligation.
How it works: tell us once (4 questions, 2 min) → we match licensed auditors to your size and scope → they send scoped quotes directly. Free, no obligation.
← All auditors · SOC 2 cost guide · How to choose an auditor